Biological Removal of Phosphorus from Wastewater and Recovery
... Water quality is heavily influenced by the availability of nutrients, particularly nitrates and phosphates. Although an excess of these two nutrients leads to eutrophication of the waters and, in the worse case, to the disappearance of the aquatic ecosystems, being the limiting nutrient as far as fr ...
... Water quality is heavily influenced by the availability of nutrients, particularly nitrates and phosphates. Although an excess of these two nutrients leads to eutrophication of the waters and, in the worse case, to the disappearance of the aquatic ecosystems, being the limiting nutrient as far as fr ...
Manure Liquid-solid Separation Factors That Determine System
... install, operate and maintain elaborate liquid-solid separation systems, some of which could be otherwise suited for livestock manure. At the same time, many people in the non-agricultural public have the mistaken belief that municipal waste treatment processes are, money considerations aside, all a ...
... install, operate and maintain elaborate liquid-solid separation systems, some of which could be otherwise suited for livestock manure. At the same time, many people in the non-agricultural public have the mistaken belief that municipal waste treatment processes are, money considerations aside, all a ...
The Effects of Wastewater Treatment Sludge on the Decomposition
... material (Ylva). The desired operating temperature for composting ranges from 50 degrees to 70 degrees Celsius (Ylva). The temperature is important because it describes different phases of the composting processes (Ylva).The process is performed by microorganisms such as bacteria, fungi and antinomy ...
... material (Ylva). The desired operating temperature for composting ranges from 50 degrees to 70 degrees Celsius (Ylva). The temperature is important because it describes different phases of the composting processes (Ylva).The process is performed by microorganisms such as bacteria, fungi and antinomy ...
Applying oxidation reduction potential sensors in biological
... of nitrates in the RAS, the amount of anaerobic effluent from the first zone, and with the biological state of the bacteria from each zone. Again, like most anoxic zones, the ORP should be between -100 and 100 mV. The anaerobic zone is the second location for an ORP measurement. In this zone we are ...
... of nitrates in the RAS, the amount of anaerobic effluent from the first zone, and with the biological state of the bacteria from each zone. Again, like most anoxic zones, the ORP should be between -100 and 100 mV. The anaerobic zone is the second location for an ORP measurement. In this zone we are ...
View Full Article - PDF - Global Science Research Journals
... crucial issue, and even more so, clean water. Environmental pollution is the most horrible ecological crisis that man is facing today. Pollution is a global threat to the environment and it becomes a scare word of today’s world. The rapid growth of human populations fuelled by technological developm ...
... crucial issue, and even more so, clean water. Environmental pollution is the most horrible ecological crisis that man is facing today. Pollution is a global threat to the environment and it becomes a scare word of today’s world. The rapid growth of human populations fuelled by technological developm ...
the use of magnesium hydroxide slurry
... phosphorus, and nitrify ammonia. For organic waste-based industrial wastewater, biological treatment is used primarily to reduce the concentration of organics which are amenable to biodegradation and to remove ...
... phosphorus, and nitrify ammonia. For organic waste-based industrial wastewater, biological treatment is used primarily to reduce the concentration of organics which are amenable to biodegradation and to remove ...
Anaerobic degradation kinetics of reactive dye with different carbon
... processing. Subsequently, there has been a strong impact on the aquatic environment, such as the effects from bio-recalcitrant contaminants, which are a potential health hazard. The effluent from the dyeing and desizing processes contributes to the high colorant content and chemical oxygen demand (C ...
... processing. Subsequently, there has been a strong impact on the aquatic environment, such as the effects from bio-recalcitrant contaminants, which are a potential health hazard. The effluent from the dyeing and desizing processes contributes to the high colorant content and chemical oxygen demand (C ...
15_FynnM, Waste Water Treatment Comparison Method
... THESE BACTERIA REQUIRE MEDIA ON OR IN WHICH TO GROW IN ORDER TO BE IN THE BEST POSITION TO UTILIZE THE WASTEWATER AS FOOD TWO TYPES OF GROWTH ENVIRONMENTS SUSPENDED GROWTH ENVIRONMENT FIXED GROWTH ENVIRONMENTS ...
... THESE BACTERIA REQUIRE MEDIA ON OR IN WHICH TO GROW IN ORDER TO BE IN THE BEST POSITION TO UTILIZE THE WASTEWATER AS FOOD TWO TYPES OF GROWTH ENVIRONMENTS SUSPENDED GROWTH ENVIRONMENT FIXED GROWTH ENVIRONMENTS ...
Presented
... •Anaerobic and anoxic conditions breakdown organics as energy source •Bacillus, Micrococus, and Pseudomonas are important denitrifying organisms in soils •Pseudomonas, Aeromonas, and Virbio are important in aquatic environments ...
... •Anaerobic and anoxic conditions breakdown organics as energy source •Bacillus, Micrococus, and Pseudomonas are important denitrifying organisms in soils •Pseudomonas, Aeromonas, and Virbio are important in aquatic environments ...
Analytical Technologies for Water Treatment Biofilms
... groups for which an isolation culture is difficult to achieve. For group analysis of such microbial bacteria, phylogenetic sorting analysis (bacteria flora analysis) based on nucleotide sequencing of bacteria DNA is widely used. Based on the result of this analysis, we carried out a systematic identifi ...
... groups for which an isolation culture is difficult to achieve. For group analysis of such microbial bacteria, phylogenetic sorting analysis (bacteria flora analysis) based on nucleotide sequencing of bacteria DNA is widely used. Based on the result of this analysis, we carried out a systematic identifi ...
Nitrogen Control III
... anoxic basins or during anoxic periods. This same supernatant can also be the cause of high nitrate results during regular effluent sampling required by the operating permit. When operating a treatment facility with anaerobic digesters, it is beneficial to return digester supernatant during times of ...
... anoxic basins or during anoxic periods. This same supernatant can also be the cause of high nitrate results during regular effluent sampling required by the operating permit. When operating a treatment facility with anaerobic digesters, it is beneficial to return digester supernatant during times of ...
Document
... Activated sludge is a biochemical process for treating sewage and industrial wastewater that uses air (or oxygen) and microorganisms to biologically oxidize organic pollutants, producing a waste sludge (or floc) containing the oxidized material Atmospheric air or pure oxygen is bubbled through prima ...
... Activated sludge is a biochemical process for treating sewage and industrial wastewater that uses air (or oxygen) and microorganisms to biologically oxidize organic pollutants, producing a waste sludge (or floc) containing the oxidized material Atmospheric air or pure oxygen is bubbled through prima ...
Nutrient Removal and Power Savings in Wastewater Treatment
... Potential low pH (if alkalinity is low) If pH is low, fungi can develop Discharge of nitrogen as Nitrate Potential for clarifier denitrification Sludge age range where filaments can develop ...
... Potential low pH (if alkalinity is low) If pH is low, fungi can develop Discharge of nitrogen as Nitrate Potential for clarifier denitrification Sludge age range where filaments can develop ...
2004 TAIWAN INTERNATIONAL SCIENCE FAIR
... This project is a research to find out if prawn pond sludge can be used as a fertilizer . This because so far there is no beneficial use of these prawn pond sludge from over 154,000 hectares of water pond culture in Sarawak . The objectives of this project were to determine if this sludge can be com ...
... This project is a research to find out if prawn pond sludge can be used as a fertilizer . This because so far there is no beneficial use of these prawn pond sludge from over 154,000 hectares of water pond culture in Sarawak . The objectives of this project were to determine if this sludge can be com ...
1. Liquid Waste Management
... phosphorous and nitrate fertilisers. In sewage and industrial waste, phosphates are introduced from excess foods, industrial discharges and synthetic detergents. Excess phosphorous encourages eutrophication in receiving streams. This phenomenon occurs when water bodies have been enriched with nutrie ...
... phosphorous and nitrate fertilisers. In sewage and industrial waste, phosphates are introduced from excess foods, industrial discharges and synthetic detergents. Excess phosphorous encourages eutrophication in receiving streams. This phenomenon occurs when water bodies have been enriched with nutrie ...
Removal of polycyclic aromatic hydrocarbons (PAHs) from
... Statutory Order no. 56 of 24 January 2000, impose quality criteria for sewage sludge to be used as field fertilizers. One of the most important groups of compounds that are regulated is polycyclic aromatic hydrocarbons (PAHs). PAHs are persistent, widespread, and can have a negative influence on bio ...
... Statutory Order no. 56 of 24 January 2000, impose quality criteria for sewage sludge to be used as field fertilizers. One of the most important groups of compounds that are regulated is polycyclic aromatic hydrocarbons (PAHs). PAHs are persistent, widespread, and can have a negative influence on bio ...
Photobiodegradation of halogenated aromatic pollutants
... Release of wide range of compounds as a consequence of industrial development is now a serious environmental problem. Numerous hazardous waste sites have been generated worldwide resulting from the accumulation of xenobiotics in soil and water. Aromatic compounds constitute a large and diverse group ...
... Release of wide range of compounds as a consequence of industrial development is now a serious environmental problem. Numerous hazardous waste sites have been generated worldwide resulting from the accumulation of xenobiotics in soil and water. Aromatic compounds constitute a large and diverse group ...
Bovine Rectal Bacteria Can Solve COD Problems with Acetate Liquor
... transferred to SO42- (320mg/l) (although NO3-N was not measured). Thus sulfate reduction occurred as SO4 2was induced and under the circumstances, the reducing equivalents did not possibly flow towards O2 because the dissolved oxygen concentrations were very low (0.35mg/L), following which, COD decr ...
... transferred to SO42- (320mg/l) (although NO3-N was not measured). Thus sulfate reduction occurred as SO4 2was induced and under the circumstances, the reducing equivalents did not possibly flow towards O2 because the dissolved oxygen concentrations were very low (0.35mg/L), following which, COD decr ...
Sewage
... • The process requires air supply and thorough mixing which brings about an intimate contact of the organic solids with oxygen and aerobic bacteria. • First the effluent from the primary sedimentation tank is mixed for an hour or two with the activated sludge r ...
... • The process requires air supply and thorough mixing which brings about an intimate contact of the organic solids with oxygen and aerobic bacteria. • First the effluent from the primary sedimentation tank is mixed for an hour or two with the activated sludge r ...
Waste Water Treatment Plants
... separates the sewage into three layers. The topmost layer is called "scum". Scum is composed of materials that float on water such as grease, oil, and fats. The middle layer consists of liquid and suspended solids. The bottom layer is called "sludge". The sludge is denser than water and is derived f ...
... separates the sewage into three layers. The topmost layer is called "scum". Scum is composed of materials that float on water such as grease, oil, and fats. The middle layer consists of liquid and suspended solids. The bottom layer is called "sludge". The sludge is denser than water and is derived f ...
Systems and Markets Overview of Anaerobic digestion
... certainly much older than their aerobic counter-parts. The anaerobic bacteria presumably first appeared before oxygen was a major part of the atmosphere. This accounts for their inability to process lignin, as woody plants had not yet evolved. ...
... certainly much older than their aerobic counter-parts. The anaerobic bacteria presumably first appeared before oxygen was a major part of the atmosphere. This accounts for their inability to process lignin, as woody plants had not yet evolved. ...
Sewage Treatment using an Innovative System: DHS Bio
... increased reliance on both groundwater and surface freshwater[2]. Triclosan, (5-chloro-2 (2, 4dichlorophenoxy) phenol), is a chlorinated diphenyl ether has been widely used as a general antibacterial agent in various commercial products such as cosmetics, antiseptic soaps, washing-up liquid, plastic ...
... increased reliance on both groundwater and surface freshwater[2]. Triclosan, (5-chloro-2 (2, 4dichlorophenoxy) phenol), is a chlorinated diphenyl ether has been widely used as a general antibacterial agent in various commercial products such as cosmetics, antiseptic soaps, washing-up liquid, plastic ...
Treatment and Disposal of Gypsum Board Waste
... sites. Gypsum and other sulfate minerals may decompose to hydrogen sulfide gas in landfill sites, but only in the presence of other materials and under specific conditions. Control of drywall landfilling so that it is separated from organic waste materials appears to eliminate or reduce hydrogen gas ...
... sites. Gypsum and other sulfate minerals may decompose to hydrogen sulfide gas in landfill sites, but only in the presence of other materials and under specific conditions. Control of drywall landfilling so that it is separated from organic waste materials appears to eliminate or reduce hydrogen gas ...
Fast granulation of sulfate-reducing bacteria sludge in expanded
... sulfide for subsequent autotrophic denitrification using sulfide as electron donor. However, due to relatively low suspended biomass concentration (~8g/L MLSS) in the current SRUSB, there is a need to improve its design and operation towards a higher compactness and resilience against shock loadings ...
... sulfide for subsequent autotrophic denitrification using sulfide as electron donor. However, due to relatively low suspended biomass concentration (~8g/L MLSS) in the current SRUSB, there is a need to improve its design and operation towards a higher compactness and resilience against shock loadings ...