Rising rural populations, drought and climate change are making water scarcity a problem in country townships—with more ...

The production of large quantities of paint sludge is a serious environmental problem. This work evaluates the use of pyrolysis reaction as a process for deactivating paint sludge that generates a ...

There are three key controllable processes in an activated sludge process: 1) Dissolved Oxygen in the aeration basins 2) Return Activated Solids flow rate 3) Waste Activated Solids flow rate After ...

According to the definition (ATV-Manual, 1997), an alkalinity below 1.5 mmol HCO 3- /L or 75 mg CaCO 3 mmol /L in the effluent is the limit in order to avoid operational problems in the treatment ...

According to UN-Habitat, over 100 million tonnes of sewage sludge are generated globally each year. Common disposal methods - including incineration or landfill - are time-consuming, ...

Extended aeration is a part of the activated sludge process where oxygen is mixed with the wastewater resulting in a mixed liquor where the oxygen is used for the biodegradation of organic wastes. The ...

I mapped my first business process diagram over 35 years ago when I joined Accenture. I used a hierarchical diagram format called IDEF0 to describe an ERP system we were implementing at a U.K ...

Photosynthesis is an important process in plants and one of the most important concepts to understand in Biology. Get here the definition, reaction, diagram and process of photosynthesis in plants.

When the researchers performed energy, mass and economic calculations, they estimated that the cost of producing activated carbon derived from wet sewage sludge was €17.53 (US$18.91) per kg.