biochemical wastewater treatment Articles
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Leather Sludge - Case Study
There are two types of leather sludge, one is sludge such as leather shavings and minced meat, which can be handed over to the gelatin factory for disposal and must not enter the food chain. The other is the sludge obtained after treatment of tannery wastewater. Biochemical sludge with low chromium content and high-concentration chromium sludge obtained by alkaline ...
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Bioetp Sludge Dryer System for oil Sludge Drying Treatment
Oily sludge mainly comes from the refining "three sludges" in the petroleum and petrochemical industry, that is the oil separator bottom sludge, dissolved air flotation scum and excess activated sludge generated in the process of wastewater treatment in refineries; coal-to-oil, coal-to-oil Biochemical sludge, gasification wastewater pretreatment sludge, etc. produced by coal chemical industries ...
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What is BOD in water?
Biochemical oxygen demand (BOD), is the decomposition of organic matter in water into inorganic matter by aerobic microorganisms in water at a certain temperature. It is a comprehensive indicator of the content of oxygen-demanding pollutants such as organic matter in water. Biochemical oxygen demand is an important water pollution parameter. In wastewater, wastewater treatment plant effluent and ...
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Effect of Enhanced Biochemical Processes in the Sewer Collection System on Influent Wastewater Characteristics and Wastewater Treatment Plant Performance
Short Abstract (less than 100 words) In-Pipe Technology (IPT) employs sewer collection system bioaugmentation treatment to enhance the sewer biochemical processes by improving the microbiology in the collection system, and provides improved microbiology to the wastewater treatment plant (WWTP). In this presentation, the effect of IPT sewer collection system bioaugmentation on sewer biochemical ...
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Improved BOD / CBOD / TSS Reduction & Energy Savings - USCAWW-LOC242.001 (ID157) - Case Study
Topics: facultative, odor control, sludge, energy savings, sludge reduction, MLS/TSS Overview: This is a municipal wastewater treatment facility (WWTF) that serves the city. The wastewater system consists of 7 facultative ponds with initial biochemical oxygen demand (BOD) of about 550 mg/L and a continuous discharge rate of 2.8 MGD. Pond 1 is 85 acres in surface area with an average operating ...
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Nitrogen removal in tertiary wastewater treatment plant of a chemical complex
A Biochemical Contact Oxidation Film (BCOF) technique was piloted for the treatment of a secondary effluent of the Jilin Chemical Industry Corporation (JCIC). The original pulse contact flocculation clarifier used for the tertiary treatment was not performing to the discharge standards. Results show that NH3-N concentration was decreased from 30 mg/L to 15 mg/L, COD concentration was decreased ...
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Influence of conditioning agents and enzymic hydrolysis on the biochemical methane potential of sewage sludge
Biochemical methane potential (BMP) tests have been carried out on sewage sludge from two wastewater treatment plants to assess the effect of additives (FeCl3 and two cationic polyelectrolytes) used in sludge dewatering. BMP tests were also carried out on the concentrated solid phase from the enzymic hydrolysis pre-treatment (42 °C, 48 h). FeCl3 had no significant effect on specific ...
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Improved BOD / CBOD / TSS Reduction & Energy Savings - Case study
Topics: facultative, odor control, sludge, energy savings, sludge reduction, MLS/TSS Overview: This is a municipal wastewater treatment facility (WWTF) that serves the city. The wastewater system consists of 7 facultative ponds with initial biochemical oxygen demand (BOD) of about 550 mg/L and a continuous discharge rate of 2.8 MGD. Pond 1 is 85 acres in surface area with an average operating ...
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ppm Dissolved oxygen measurement
Dissolved oxygen (D.O.) levels are used as a general indicator of water quality. Oxygen is essential to life and vital for countless aquatic forms. D.O. level control is critical in numerous applications ranging from the monitoring of industrial waste water to environmental surveillance. What is Dissolved Oxygen? Dissolved oxygen (D.O.) is the amount of oxygen gas dissolved in a given quantity ...
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Reductions in greenhouse gas (GHG) generation and energy consumption in wastewater treatment plants
Greenhouse gas (GHG) emission and energy consumption by on-site and off-site sources were estimated in two different wastewater treatment plants that used physical–chemical or biological processes for the removal of contaminants, and an anaerobic digester for sludge treatment. Physical–chemical treatment processes were used in the treatment plant of a locomotive repair factory ...
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Characteristics and Classification of Buried Domestic Sewage Treatment Technology
The buried sewage treatment equipment is a modular high-efficiency biological sewage treatment equipment. It is a sewage biological treatment system with biofilm as the main body of purification. It makes full use of biofilm reactors such as anaerobic biofilter and contact oxidation bed. The characteristics of high biological density, strong pollution resistance, low power consumption, stable ...
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WEFTEC’ 2013 Lagoon wastewater treatment using Innovative bioaugmentation technology case study
Introduction and Problem Statement Lagoon wastewater treatment systems employ a combination of physical, chemical, and biological processes to treat wastewater. Lagoon wastewater treatment systems are simple, natural, energy efficient, and one of the most cost effective treatment options, especially for small and rural communities. Lagoon systems are easy to operate, require lower maintenance ...
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Bioaugmentation In Sewer Network Reduces Sludge Production
This article describes the effectiveness of bioaugmentation in the sewer network as a strategy to reduce sludge production. Sludge is an obvious by-product generated from the physical, chemical and biological treatment processes of a wastewater treatment plant (WWTP) as shown in Figure 1. Sludge management, which includes treatment, hauling, and disposal, is one of the biggest burdens facing ...
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Bioaugmentation in Sewer network reduces sludge production case study
Sludge is an obvious by-product generated from the physical, chemical and biological treatment processes of a wastewater treatment plant (WWTP) as shown in Figure 1. Sludge management, which includes treatment, hauling, and disposal, is one of the biggest burdens facing municipal plants. The costs of sludge management account for 55% of the total WWTP operating cost and 35° o of the capital ...
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