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Rendering Plant, Palin, Guatemala- Case Study
The facility is a rendering plant, utilizing a limited waste water system. The basic design has a cooling tower, from which the water passes through a grease trap and then into an aeration tower. The water is then discharged into a series of three small lagoons, with a retention time that is calculated to be between 10 and 15 days based on a system volume of 110,000 gallons in the tanks and lagoons and the flow which was believed to vary between 6,857and 11,428 gallons per day.
The plant operator contacted the in-market representitves of Ecological Laboratories Inc. to determine if bioaugmentation could lower the effluent COD to avoid the need to expand their system.
The local regulations had targeted a 50% reduction by 2014 and an additional 50% reduction by 2024 for every facility in the river basin.
From the initial application of MICROBE-LIFT®/IND, the effluent COD was reduced by 74% while the effluent BOD was reduced by 86%. (See chart below)
Based on the first 5 weeks of the plan, treatment with MICROBE-LIFT®/IND was able to meet the 2024 goals without any further capital investment, while eliminating odor.
