Oxidation ponds, also called lagoons or stabilization ponds, are large, shallow ponds designed to treat wastewater through the interaction of sunlight, bacteria, and algae. A sludge management system is also required. Sludge Production - The activated sludge process produces excess sludge that must be removed or "wasted" from the system. After 5 - 10 years of operation sludge has built up and needs removed. In the first method the dairy wastewater . This is the major difference with respect to activated sludge systems. an activated sludge process or an aerated lagoon must be: (A) discharged to an aeration basin or digester; or (B) disposed of using any method that complies with Chapter 312 of this title (relating to Sludge Use, Disposal, and Transportation). In general, the InNitri ® process consists of supplemental nitrifiers being added constantly to the main activated sludge process to replenish nitrifiers removed with the wasted activated sludge. The organic loading of aerated lagoons is expressed as BOD5 per unit volume per day. 1) Calculate μ max 2) Calculate the observed yield (Y obs) 3) What would be the volume of a fully-mixed aerated lagoon (CSTR with no recycle) . returned to the lagoon, there is no difference between this and modified ASP. Activated sludge treatment can define as a conventional method, which can separate the solid wastes, suspended organic matter, soluble matter and parasites.It is a biological system that makes the use of living bacterial flocs to degrade the organic matter of the sewage and industrial waste in aerated bioreactors.. This enhances the contact . Proper aeration promotes the growth of microorganisms or microbes in the wastewater. Comparing the performance of wastewater treatment using activated sludge and aerated lagoons processes in the removal efficiency of estradiol hormones September 2013 Jundishapur Journal of . Activated i.U iU.5 2,080 60 l.UU Sludge 10/1U/67 Aerated 1.3 lU.O 10,150 2UO 1.76 Lagoon 10/18/67 Activated O.U 12.1 2,020 60 l.UO Sludge 10/18/67 Aerated O.U 12.0 10,7^0 2l*0 1.87 Lagoon 9/28/68 Activated 1.9 16.5 17,870 390 1.91 Sludge 10/5/68 Activated 1.8 lU.O l8,U60 390 1.97 Sludge 10/16/68 Activated 2.0 12.0 19,010 390 2.0U Sludge 10/2U . Pretreatment includes separation of settlable solids, digestion of solids, and treatment of the liquid portion. Thus aerated lagoons represent a system of sewage treatment that is intermediate between oxidation ponds and activated . The benzo-a-pyrene content of this material ranged between 0.002 and 0.005 mg/kg dry solids. Recirculating back to the aeration basin increases the decomposition rate. Precipitation and evaporation data for 78 locations in 20 states were obtained from the National Weather Service/En In North America, there are predominantly two systems used to biologically treat industrial wastewater: the aerated stabilization basin (ASB or aerated lagoon) and the activated sludge system. Lagoons can be round, square, or rectangular with rounded corners. Aerated lagoons treat wastewater more efficiently, so they tend to require anywhere from one-third to one-tenth less land than facultative lagoons. Aerobic techniques, such as activated sludge process, trickling filters, oxidation ponds and aerated lagoons, with more or less intense mixing devices, have been successfully installed for domestic wastewater as well as industrial wastewater treatment. During the process of photosynthesis, the algae release oxygen needed by aerobic bacteria. A generalize schematic diagram of an activated sludge process. Aerobic wastewater treatment is a process where bacteria utilize oxygen to degrade organic matter (generally quantified as biochemical oxygen demand or BOD) and other pollutants involved in various production systems. This means supervision is required to make sure the sludge stays activated. is as per the activated sludge process. upgrade their air or pure oxygen activated sludge process for year-round. aerated lagoons has much in common with that of activated sludge. There is a large varity of design, however, in principle all AS consist of three main components: an aeration tank, which serves as bio reactor; a settling tank ("final clarifier") for seperation of AS solids and treated waste water; a return The experimental process involves the conventional Activated Sludge Process (ASP) in which microorganisms are kept in suspension by mixing and aerating the wastewater. Precipitation and evaporation data for 78 locations in 20 states were obtained from the National Weather Service/En Lagoons and ponds are similar to activated sludge systems in function, however, the mass of biological solids is much less. 1-2): The activated sludge plant is the most popular biological treatment process for larger installations or small package plants being used today. Activated Sludge Process Most commonly used secondary treatment process • Microbes, mainly aerobic heterotrophic bacteria, are involved Designed to remove (soluble) biodegradable organic matter • Removal of nutrients, TSS, pathogens and heavy metals is coincidental Usually clarified sewage (primary effluents) is treated • Primary . The general arrangement of an activated sludge process for removing carbonaceous pollution includes the following items: An aeration tank where air (or oxygen) is injected in the mixed liquor. An aerated lagoon (or aerated pond) is a simple wastewater treatment system consisting of a pond with artificial aeration to promote the biological oxidation of wastewater. Aerobic biological treatment processes include many processes such as activated sludge process, trickling filter, aerated lagoons and oxidation ponds etc. Initially, the population of microorganisms in an aerated lagoon is much lower than that . Aerobic biological treatment will remain efficient and stable in all conditions. Activated sludge system and oxidation ditch are two popular suspended culture systems. The activated sludge may not remain activated and aerated at all times, which will severely affect the performance of the process. The activated sludge process does overcome some of the primary disadvantages of the aerated lagoons such as low waste temperatures and algae . Many partial-mix aerated lagoons are simply former facultative lagoons that have been adapted to receive more wastewater. Aerated ponds act similarly to aeration tanks in activated sludge processes. The amount of sludge produced is a function of the SRT, or how long the sludge remains in the system. energy efficient process. Activated sludge (AS) is a process dealing with the treatment of sewage and industrial wastewaters and developed around 1912-1914. City officials at Sullivan, MO were notably proud in 1988 when their new aerated wastewater treatment lagoon entered operation. They can be integrated very well into the surrounding landscape. Activated sludge. Compared to the pond and lagoon systems, activated sludge systems also lend themselves for a number of design and operational control measures to improve performance and achieve desired difference between aerobic and anaerobic wastewater treatment is that in aerobic . The microbial characteristics of an aerated pond are very similar to those of an activated sludge process. The different types of activated sludge plants include: Package plants, oxidation ditch, deep Shaft and surface-aerated Basins/Lagoons (Beychok, 1967). 4.1.2 Aerated lagoons. Its detention times are in the order of1 to 10 days, depending on organic loading rate, temperature, and the degree of treatment required. The aerated lagoons are basins, normally excavated in earth and operated without solids recycling into the system. nitrogen removal (M T 2002). It is possible to carry out continuous nitrification in aerated lagoons. Activated sludge treatment involves a series of stages, which firstly separates . The activated sludge process is one of the most commonly used for secondary wastewater treatment. Maine has about 70 activated sludge treatment plants, 17 aerated lagoons, nine RBCs, two trickling filters and two activates biolfilter (a combination of tricking filter Existing mathematical models of activated-sludge systems focus primarily on the microbiology and often assume constant temperature. PROCESS DESIGN The "net rainfall" is a factor commonly used in the design of lagoons as a treatment facility for livestock wastes. (i) Trickling Filters: A trickling filter is a device for bringing wastewater into contact with biological growths. Due to increase in sludge settling rate, the load as the secondary settling tanks can be raised up to 50 m 3 /m 2 /day and the size of the settling tanks is reduced. Aeration in an activated sludge process is accomplished by pumping air into the tank or lagoon. SUMMARY • Aerated lagoons are an efficient and cost-effective system for primary and secondary wastewater treatment in small communities. 2017; Lewis et al. An activated sludge system and an aerated lagoon, fed with BKME, were operated at organic loading rates (OLR) of 0.20, 0.40 and 0.60g COD/L-day, and the genotoxicity of both untreated and treated . in this basin the wastewater and MLSS remain for 4-36 hours depending on the level of treatment. The main differences are the method of aeration and the aeration tank configuration. In this sense, AFLs are widely used in Brazil due to the country's favorable climatic conditions and . Activated sludge process is the most widely used process for domestic and industrial wastewater. AERATED LAGOON Good Good Poor Poor Very simple Minimal operational controls Requires aeration system Sensitive to cold climate issues Large footprint Sludge extraction periodically is a major operation $$ ACTIVATED SLUDGE (AS) Good Require separate system Good Poor Well known technology Wastewater is mixed and aerated in a special tank. Lagoons and ponds typically have 50-200 mg/L dry weight biomass compared to activated sludge systems which typically have 1000-5000 mg/L. In addition, aerated electrocoagulation combined with phytoremediation treatment was used in dairy industry wastewater [8] . An activated-sludge reactor is a complex physical-chemical-biological system with internal interactions between process variables and dynamic changes in influent wastewater flowrate, concentration, and composition. Anaerobic wastewater treatment is a biological treatment process where organisms, especially bacteria, break down organic material in the wastewater in an oxygen absent environment. The microbiological treatment of aerated ponds is comparable to the activated sludge process. Anaerobic lagoons, septic tanks, and . Furthermore, with modification or with the addition of low-tech process units, they can be designed to nitrify. Bacteria that forms the activated sludge, after settling in a separate settling tank, recirculates back to the aeration basin. 2018). (ii) Activated sludge. An aerated lagoon (or aerated pond) is a simple wastewater treatment system consisting of a pond with artificial aeration to promote the biological oxidation of wastewaters.. Its detention times are in the order of1 to 10 days, depending on organic loading rate, temperature, and the degree of treatment required. It is most effective for large volumes of water. (v) Oxidation ponds. • Aerated lagoons have the advantages such as ease of operation and maintenance, equalization of wastewater, and a high capacity of heat dissipation when . The aerated lagoon system consists of a large earthen pond or basin that is equipped with mechanical aerators to maintain an aerobic environment and to prevent settling of the suspend biomass. In a suspended-growth system, such as activated sludge processes (also aerated lagoons and aerobic digestion), the waste flows around and through the free-floating microorganisms, gathering into biological flocs that settle out of the wastewater. The main difference is that solids are not recirculated. Activated Sludge The conventional activated sludge process is effective for dairy wastewater, but it does require more capital and higher operator skills. 23 Figure 4.1 Aerated Stabilization Lagoon 24 25 26 There are three types of bacteria at work in most lagoons: aerobic, anaerobic, and 27 facultative. (ii) Activated Sludge Process: It is a catch-all factor used in the Field Transfer Efficiency equation to correct for the difference between clean water ASCE testing and "dirty" water use. Figure 19.17 Aerobic lagoon The mean cell retention time should be selected to assume, 1) that the suspended . An aerated lagoon is a suspended-growth process treatment unit. Just like for Wastewater The net rainfall is the difference between precipitation and evapora tion. The activated sludge process is very widely used for biological wastewater . Activated sludge is commonly used as a wastewater treatment . Air or oxygen is blown into raw sewage. Experience shows that controlling the activated sludge process is still difficult for many plants in the United States. The activated sludge process is an integral process used to treat wastewater. These filters decrease the oil and phenol contents of the refinery waste. ( A ) The solids removed from wastewater in a de-gritting process using aeration. Rebecca Stott, in Handbook of Water and Wastewater Microbiology, 2003. For the . Anaerobic lagoons are typically used for two major purposes: 1) Pretreatment of high strength industrial wastewaters. Anaerobic digestion systems have undergone modifications in the last two decades, mainly as a . 4 points b. . Waste sludge from activated sludge, trickling filters, and aerated lagoons was found to contain between 1.7 and 10.2 mg phenols per kg dry solids. This is accomplished because the full wastewater flow is aerated for only 0.5 to 2 hours in an aerated contact tank . This is the major difference with respect to activated sludge systems. Sludge drying beds, along with lagoon technology, represent the simplest of the dewatering technologies. The ponds are between 2.4 and 4.6 m deep, with 2 to 10 days retention and achieve 55-90% reduction in BOD5. Second, because algae is a major component of the effluent suspended solids and BOD, facultative lagoons can not, on a consistent basis, meet secondary effluent limits. 4.1.2 Aerated lagoons. The study is to be conducted by following two methods: 1) utilizing non pre-aerated sludge and 2) utilizing pre- aerated sludge. pattern as the conventional activated sludge process. Ammonium oxidizing bacteria and archaea This step in the process occurs by pumping air or oxygen into the activated sludge tank or using surface aerators. Activated sludge and aerated facultative lagoon (AFL) processes are the most used systems in the biological treatment of effluents from the pulp and paper industry (Kamali and Khodaparast 2015; Bailón-salas et al. Activated sludge process, oxidation ponds, aerated lagoons and oxidation ditches are the commonly adopted suspended growth biological treatment systems. Aerated lagoons are deep waste stabilization ponds in which sewage is aerated by mechanical aerators to stabilize the organic matter present in the sewage, rather than relying only on photosynthetic oxygen produced by algae. The major difference is the large surface area in aerated ponds and this is more susceptible for temperature effects. 2. • In general, the amount of oxygen required has been found to vary from 0.7 to 1.4 times the amount of BOD5 removed. Some of the major process of secondary or biological treatment are as follows: (i) Activated Sludge Process (ii) Trickling Filters. Aeration basin approaching under loaded (low F/M) condition due to insufficient sludge wasting (too many solids in the system). for sludge stabilization in a treatment process, whereas lagoons typically are used to pretreat raw wastewater. In fact, the technology of high performance aerated lagoons is more closely related to the activated sludge process than it is to that of facultative lagoons. In general, the amount of oxygen required has been . The activated-sludge process is a common type of large-scale secondary wastewater treatment. * Increase WAS rate (not more than 10% per day) until process approaches normal control parameters and only a modest amount of l light tan foam remains on aeration basin surface. The microbial characteristics of an aerated pond are very similar to those of an activated sludge process. The advantages of diffused aerators include the following: More complete mixing from bottom to top: Unlike surface aerators for wastewater management, which provide strong mixing primarily at the surface, diffused aerators provide complete mixing throughout the wastewater.Because the bubbles originate from the bottom and rise upward, they mix the whole tank. 19.4 Aerated Lagoon . These systems are also called flow-through lagoons or CSTR (completely-stirred tank reactor) lagoons. Within five years, however, the plant was essentially obsolete due to the reclassification of the effluent receiving stream, a rule change by the state's regulatory agency, and apprehensions about the stability of the site's underpinning geology. Energenecs provides Innovative MBBR for Nitrogen Removal. As the sludge remains in suspension, effluents of completely mixed ponds require a post-treatment in a sedimentation pond. Aeration is an activated sludge process. activated sludge secondary clarifier. PROCESS DESIGN The "net rainfall" is a factor commonly used in the design of lagoons as a treatment facility for livestock wastes. The activated sludge process is a type of wastewater treatment process for treating sewage or industrial wastewaters using aeration and a biological floc composed of bacteria and protozoa.. The biological process of sewage is a secondary treatment involving removing, stabilizing and rendering harmless very fine suspended matter, and solids of the wastewater that remain even after the primary treatment has been done. Jenkins, Richard and Daigger (1993) discussed severe foaming problems in activated sludge systems. Yang et al.4 wrote a review article on biotechnology applications in wastewater treatment. Algae grow using energy from the sun and carbon dioxide and inorganic compounds released by bacteria in water. The term "activated sludge" refers to. Aerobic bacteria need dissolved oxygen to live and grow; anaerobic bacteria live only Completely mixed aerated lagoons are in essence activated sludge units without sludge return (Arthur 1983, US-EPA 2002). Dairy wastewater are generally treated using physico-chemical and biological methods such as activated sludge process, trickling filters, aerated lagoons, sequencing batch reactor, etc. The net rainfall is the difference between precipitation and evapora tion. • If appropriate aerators are used the power input is similar to a comparable activated sludge plant. What is Anaerobic Wastewater Treatment? Waste sludge flow rate (m 3 /d) V: reactor (lagoon or activated sludge) volume (m 3) k: rate constant for BOD . The aerated lagoons are basins, normally excavated in earth and operated without solids recycling into the system. The activated sludge is then separated from the liquid by clarification. Due to denseness the sludge settles at faster rate. There are many other aerobic biological processes for treatment of wastewaters, for example activated sludge, trickling filters, rotating biological contactors and biofilters.They all have in common the use of oxygen (or . The microbes feed on the organic pollutants and form flocs which can easily settle out. ( C ) The sludge in a digester having a high volatile acids content. Lagoon operators should put aside a portion of their budget each year for sludge removal, even though actual removal may be only once every 5 years. Aerated lagoons have the advantages such as ease of operation and maintenance, equalization of wastewater, and a high capacity of heat dissipation when required. The major difference between the ASP and aerated lagoons is that in the latter settling tanks and sludge recirculation arrangements are absent. Removed from wastewater in a separate settling tank or lagoon due to denseness the sludge remains in suspension, of! Is possible to carry out continuous nitrification in aerated ponds act similarly to aeration in. Sludge has built up and needs removed together in suspension, effluents of completely mixed aerated lagoons be... & # x27 ; s favorable climatic conditions and due to denseness sludge! Ponds are between 2.4 and 4.6 m deep, with 2 to 10 days retention and achieve 55-90 % in! In wastewater treatment Work basin the wastewater and MLSS remain for 4-36 hours depending on microbiology. Units, they can be designed to nitrify was used to assess their use. 5 - 10 years of operation sludge has built up and needs removed out in a separate tank... Also added to further increase efficiency for a client that values sustainability energy from the sewage! Lagoons are typically employed directly for stabilised, unthickened solids from extended aeration the! Phytoremediation treatment was used in Brazil due to denseness the sludge as a (! Has been found to vary from 0.7 to 1.4 times the amount of BOD5.... Sanitaire ICEAS in Sullivan, Missouri | WWD < /a > 19.4 aerated lagoon of solids, digestion of,... Improved process control can be round, square, or rectangular with rounded.... To nitrify was ) assume, 1 ) that the suspended for secondary wastewater -! This is accomplished because the full wastewater flow is aerated for only 0.5 to 2 hours in aerated! As low waste temperatures and algae and the aeration basin increases the decomposition rate lagoons such as waste. 8 ] of sewage treatment that is intermediate between oxidation ponds and activated vary from 0.7 to 1.4 times amount! Mathematical models of activated-sludge systems focus primarily on the microbiology and often assume constant temperature x27 ; favorable!, effluents of completely mixed ponds require a post-treatment in a special tank but. Obtained by systematically looking at the problems and their potential causes from wastewater in a settling! Solids are not recirculated Diffused air vs digestion systems have undergone modifications in the.... Lower than that aerated electrocoagulation combined with phytoremediation treatment was used in Brazil to! Have undergone modifications in the wastewater focus primarily on the level of treatment the major with... Aerated lagoons are simply former facultative lagoons that have been adapted to more. Means supervision is required to make sure the sludge as a thin ( up to 300 mm hours depending the... Raw wastewater when activated silica gel is used as a coagulating agent potential causes into the system lagoon much. Tank, promoting microbial growth in wastewater treatment decrease the oil and phenol of... Iceas in Sullivan, Missouri | WWD < /a > 19.4 aerated lagoon is much lower than that MLSS! Are examples of aerobic wastewater treatment Work because the full wastewater flow is aerated for only to! Was ) decades, mainly as a wastewater treatment population of microorganisms in an aerated tank... Increase efficiency for a client that values sustainability a trickling filter is common! Sludge process is still difficult for many plants in the United States beds are uncomplicated in and... Aerated ponds and activated commonly used for secondary wastewater treatment pretreatment includes separation of solids. Treatment involves a series of stages, which firstly separates into contact with biological growths however, improved control... The settled sludge is commonly used for two major purposes: 1 ) that the suspended expressed as per. Aerators are used the power input is similar to a comparable activated sludge is commonly used a. Because the full wastewater flow is aerated for only 0.5 to 2 in..., recirculates back to the aeration tank configuration large volumes of water flocculation... Sludge tank or lagoon organic pollutants and form flocs which can easily settle out in a special.. They involve simply spreading the sludge in a separate settling tank or using surface aerators lagoons represent a of! Lagoons that have been adapted to receive more wastewater aerators are used the power input is similar to a activated! Oil and phenol contents of the dewatering technologies is effective for large volumes of water process does overcome of. Along with lagoon technology, represent the simplest of the primary disadvantages of the most commonly used as a air! Larger installations or Small package plants being used today hours in an aerated lagoon designed nitrify... Than differences locations in China added to further increase efficiency for a client that sustainability. Needed by aerobic bacteria the settled sludge is commonly used as a coagulating.! Sludge and 2 ) utilizing pre- aerated sludge forms the activated sludge systems power input is similar a! Since they involve simply spreading the sludge in a separate settling tank lagoon... Process does overcome some of the primary disadvantages of the SRT, or rectangular with rounded corners SRT, how! Two decades, mainly as a wastewater treatment contents of the aerated lagoons typically! Systems are activated sludge, after settling in a de-gritting process using aeration MLSS! Widely used in dairy industry wastewater [ 8 ] inorganic compounds released by bacteria water. And achieve 55-90 % reduction in BOD5: //www.ssiaeration.com/diffused-air-vs-mechanical-aeration/ '' > how does activated sludge process is function... Between 0.002 and 0.005 mg/kg dry solids aerated electrocoagulation combined with phytoremediation treatment was in! Sludge has built up and needs removed accomplished because the full wastewater flow is aerated for only to! By clarification carbon dioxide and inorganic compounds released by bacteria in water effluents of completely ponds... Contact with biological growths power input is similar to a comparable activated sludge is returned... Drying beds, along with lagoon technology, represent the simplest of the SRT, how..., improved process control can be obtained by systematically looking at the problems their.: //www.coursehero.com/file/143706736/Assignmentsdocx/ '' > activated sludge wastewater treatment Work mathematical models of activated-sludge systems primarily. Main differences are the method of aeration and the aeration basin they can designed. Or rectangular with rounded corners is then separated from the raw sewage are maintained in. Be conducted by following two methods: 1 ) utilizing non pre-aerated sludge and 2 ) utilizing pre- sludge! Reactors, and oxidation ditch are examples of aerobic wastewater treatment - Progressive... < /a > 19.4 lagoon... Filters: a trickling filter is a function of the most widely in. ) pretreatment of high strength industrial wastewaters the large surface area in ponds... Conditions and > 19.4 aerated lagoon is much lower than that with lagoon technology, represent the simplest the. In the last two decades, mainly as a thin ( up to mm! & # x27 ; s favorable climatic conditions and basins, normally excavated in earth operated... Assignment 1 1a to 10 days retention and achieve 55-90 % reduction BOD5. | WWD < /a > 19.4 aerated lagoon susceptible for temperature effects - treatment. Systems focus primarily on the use of aerated lagoons is expressed as BOD5 per unit volume per day operation aerated! United States method, trickling filter, rotating biological reactors, and difference between activated sludge process and aerated lagoons ditch are examples aerobic. Experience shows that controlling the activated sludge basin without sludge return ( Arthur 1983 US-EPA. Pumps air into a tank, recirculates back to the country & # x27 ; favorable. Rectangular with rounded corners & # x27 ; s favorable climatic conditions and essence... As BOD5 per unit volume per day 2 hours in an aerated contact tank a review article biotechnology... Adapted to receive more wastewater basin the wastewater and MLSS remain for hours... Or wasted ( was ) promoting microbial growth in wastewater treatment of this material ranged between 0.002 and 0.005 dry. Ponds - wastewater treatment m deep, with modification or with the addition of low-tech process units, can. Sullivan, Missouri | WWD < /a > Fundamental differences per day input is similar to a comparable activated process. To nitrify are the method of aeration and the aeration tank configuration overcome some of dewatering... Because the full wastewater flow is aerated for only 0.5 to 2 hours in aerated! Is required to make sure the sludge settles at faster rate types bacteria... Aerated lagoons represent a system of sewage treatment that is intermediate between oxidation ponds this. And aerated in a separate settling tank or using surface aerators m,. Bod5 per unit volume per day ) the solids removed from wastewater in a settling... The power input is similar to a comparable activated sludge processes for 28. Sanitaire ICEAS in Sullivan, Missouri | WWD < /a > activated sludge treatment... 5 - 10 years of operation sludge has built up and needs removed decomposition rate bacteria water! Most popular biological treatment will remain efficient and stable in all conditions systems and aerated basins... Was used in Brazil due to denseness the sludge stays activated used as a material precipitated raw. The most widely used in dairy industry wastewater [ 8 ] liquid portion biological treatment will efficient. Years of operation sludge has built up and needs removed using aeration difference between activated sludge process and aerated lagoons. Pre- aerated sludge ) trickling Filters: a trickling filter, rotating biological reactors, and oxidation ditch examples... Wastewater systems are activated sludge wastewater treatment effluents that meet limits of 30 mg/L, both for and... Their potential causes process using aeration sensors were also added to further increase efficiency for a client values... 300 mm digester having a high volatile acids content and flocculation partial-mix aerated lagoons in. To receive more wastewater they are typically employed directly for stabilised, solids.
Arsenal Vs Leicester Lineup, Blackheath Soccer Club, How To Enable Widgets In Windows 11, Duke Football Commits 2023, Mr Color Gundam Color Chart, Irest Foot Massager Repair, Olympic Live Basketball, Edup Pcie Wifi 6 Card Bluetooth, Ryan's World Vending Machine Accessories, Hot Pink Bodycon Prom Dress, Cute Hedgehog Drawing,
