Ads block
Showing posts with label ACTIVATED SLUDGE PROCESS. Show all posts
Showing posts with label ACTIVATED SLUDGE PROCESS. Show all posts
pH and Alkalinity | Activated Sludge Process | Wastewater Treatment Plant
pH AND ALKALINITY A number of wastewater treatment reactions are pH dependent. The pH of a substance is defined as the inverse of the logarithm of the concen…
Read more »
Industrial Wastewater Treatment Plant | Activated Sludge Process | Wastewater Treatment Plant
Industrial Wastewater Treatment In most cases, wastewater treatment is carried out in a series of well-choreographed stages. These stages are referred to as pr…
Read more »
Glossary of Terms and Acronyms | Activated Sludge Process | Wastewater Treatment Plant
Glossary of Terms and Acronyms Biological Nutrient Removal (BNR) is a term that refers to the process of removing nutrients from the environment (typically n…
Read more »
Disinfection | Activated Sludge Process | Wastewater Treatment Plant
Disinfection Purpose Kill or inactivate harmful organisms in the treated effluent before releasing it into the receiving stream. Process Descriptions Chlorin…
Read more »
Dissolved Oxygen | Activated Sludge Process | Wastewater Treatment Plant
DISSOLVED OXYGEN In wastewater treatment plants, oxygen is a critical component in the degradation of organic matter. Although the oxygen contained in various …
Read more »
Biological Oxygen Demand | Activated Sludge Process | Wastewater Treatment Plant
BIOLOGICAL OXYGEN DEMAND BOD is an abbreviation for Biological Oxygen Demand and, depending on the source, Biochemical Oxygen Demand. Both terms refer to the a…
Read more »
Grit Removal | Activated Sludge Process | Wastewater Treatment Plant
GRIT REMOVAL Grit removal aims to remove heavy inorganics (as well as some organic components) from the waste stream so that they can't harm downstream fac…
Read more »
Bacteria | Activated Sludge Process | Wastewater Treatment Plant
BACTERIA Bacteria are microscopic prokaryotic organisms that feed on nutrients dissolved in water and divide into two equal cells via binary fission. Bacteria …
Read more »
Biological Nitrification and Denitrification | Activated Sludge Process | Wastewater Treatment Plant
Biological Nitrification and Denitrification Nitrogen is removed from wastewater in two steps: biological conversion of ammonia nitrogen to nitrate nitrogen, f…
Read more »
Septic Sludge | Activated Sludge Process | Wastewater Treatment Plant
Septic Sludge Septic sludge is defined as any sludge that has become anaerobic and emits a foul odour. Sludge can slowly rise to the surface of vessels such …
Read more »
Filamentous Bulking | Activated Sludge Process | Wastewater Treatment Plant
Filamentous Bulking Solids Separation Problems By recycling biological solids, the activated sludge process can achieve a high SRT for system stability and eff…
Read more »
Chemical Oxygen Demand | Total Organic Carbon | Activated Sludge Process | Wastewater Treatment Plant
Chemical Oxygen Demand Concept A wastewater's Chemical Oxygen Demand (COD) is the total amount of oxygen required to chemically oxidize all organics in t…
Read more »
Rising Sludge | Activated Sludge Process | Wastewater Treatment Plant
Rising Sludge The term "rising sludge" refers to sludge that slowly rises to the surface of secondary clarifiers. When the sludge has good settling…
Read more »
Variables That Impact Plant Operation | Activated Sludge Process | Wastewater Treatment Plant
Variables That Impact Plant Operation The operator of an activated sludge treatment plant is responsible for creating an environment conducive to the effic…
Read more »
Flocculation | Activated Sludge Process | Wastewater Treatment Plant
Flocculation After quick mixing/coagulation, the flocculation process begins, which is performed by agitating the coagulated water continuously at a lower …
Read more »
Low Effluent pH | Activated Sludge Process | Wastewater Treatment Plant
Low Effluent pH Low influent pH or low alkalinity water with nitrification are the most common causes. Both can result in regulatory noncompliance. If the …
Read more »
Foaming/Frothing | Activated Sludge Process | Wastewater Treatment Plant
Foaming/Frothing A buildup of foam or froth on the surface of the aeration tank is referred to as foaming/frothing. Foam might be thick, dark brown foam, lig…
Read more »
Coagulation | Activated Sludge Process | Wastewater Treatment Plant
Coagulation Coagulant Chemicals Coagulation and flocculation occur in steps designed to overcome the forces that hold suspended particles together, allow…
Read more »
Straggler Floc | Activated Sludge Process | Wastewater Treatment Plant
Straggler Floc Straggler floc is a large, light-colored, very fluffy floc that can be filamentous or not. A microscopic examination will quickly reveal whether…
Read more »
Aeration Tank | Activated Sludge Process | Wastewater Treatment Plant
Aeration Tank Operational Control Parameters An operator can optimize the biological treatment process by monitoring the operational contr...
