Water Treatment Encyclopedia

Sludge Thickening

Wastewater treatment plants commonly use thickening devices to increase the solids concentration at the end of a particular process step within the activated sludge process. Thickening of sludge increases its solids content and reduces the ...

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Softening Plants

Water Softening Plants: A water softener reduces the dissolved calcium, magnesium, and to some degree manganese and ferrous iron ion concentration in hard water. These “hardness ions” cause three major kinds of undesired effects....

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Storage Silos

Storage silos are cylindrical shape structures with the slip and straight form. Concrete silos are the larger in terms of diameter and height . Silos could be made of many materials. Wood , concrete , cast concrete, and steel Plates , glass...

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Suspended Solids Treatment

Bag Filters and Accessories: Suspended solids and other fine particles can be removed from liquid streams by passing them through filters. Bag filters are a convenient and economical choice for applications that require gross particulate re...

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Tertiary Filtration

The purpose of tertiary treatment is to provide a final treatment stage to raise the effluent quality before it is discharged to the receiving environment (sea, river, lake, ground, etc.). More than one tertiary treatment process may be use...

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Thermal Drying Systems

Thermal Drying of Wastewater Solids : Thermal drying is one of the technologies available for processing of solids produced at municipal wastewater treatment plants (WWTPs). Thermal drying technology, although originally developed for mate...

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Thermal Hydrolysis

High-Pressure Steam Pre-Treatment for Anaerobic Digestion of Municipal and Industrial Sludge: Thermal Hydrolysis Sludge Pre-Treatment: Thermal Hydrolysis Process (THP) is a proven and reliable technology that has been used around the world ...

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Thermal Oxidation Packages

Introduction: Thermal Oxidisation Packages are typically used to destroy Hazardous Air Pollutants (HAPs) and Volatile Organic Compounds (VOCs) from industrial air streams. These pollutants are generally hyrdocarbon based and when destroyed ...

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Thermal Wastewater Treatment Plant

Thermal treatment is a term given to any waste treatment technology that involves high temperatures in the processing of the waste feedstock. This commonly, although not exclusively involves the combustion of waste materials. Systems tha...

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Trickling Filters

A trickling filter consists of a fixed bed of rocks, gravel, slag, polyurethane foam, sphagnum peat moss, or plastic media over whichsewage or other wastewater flows downward and causes a layer or film of microbial slime to grow,...

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