[Case Study on Wastewater BOD and Sludge Reduction] Ricoh Company, Ltd. Ebina Factory
We will introduce a case study of a lab test for reducing excess sludge treatment costs!
We would like to introduce a case study of a laboratory test conducted at Ricoh's Ebina Plant to reduce excess sludge treatment costs. As a result of three BOD comparison tests, an average reduction of approximately 20% in BOD was confirmed. In this test, the wastewater was diluted by half. However, in actual use, since the entire wastewater is modified, a BOD reduction of about 40%, which is double the test results, can be expected. 【Method of BOD Laboratory Test】 1. Collect 1 liter each of inflow and outflow water from Ricoh's Ebina Plant. 2. Divide the inflow into 500ml portions, labeling them A and B. Similarly, divide the outflow into 500ml portions. Further, modify inflow A with BW (Bio Water). 3. Mix inflow A with outflow A, and inflow B with outflow B (since it's 500ml each, the ratio is 1 to 1). 4. Measure the BOD of the BW-treated water and untreated water (using the 20°C 7-day incubation method). *For more details, please refer to the PDF document or feel free to contact us. *The section titled 'Reason for Interest' displayed during the PDF download is generated by AI from Ipros Inc.
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Our company was established in 2000 after becoming independent from a plumbing maintenance company with over 113 years of history. We focus on water quality improvement technology, addressing issues such as rust on the inner surfaces of water pipes and scale in heat exchangers. Under our corporate philosophy of "Sanpo Yoshi" (benefiting all three parties), we consistently provide optimal water environment solutions. *The section titled "Trigger for Interest" displayed during the PDF download is generated by AI from Ipros Inc.