Remove Iron in Water with Chlorine
Chlorine dioxide can be used effectively for oxidation of iron from the moderately soluble ferrous state to ferric ion, resulting in the formation of…
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181 in-depth guides on water and wastewater treatment — browse the latest below, or jump to a topic.
Extended Aeration System
The extended aeration process is one of the modifications of the ASP. It is a complete mix system and provides biological treatment for the…
Small Diameter Gravity Sewers
Sewers Small diameter gravity sewerage (SDGS) also known as settled sewerage and solid free sewerage, is a system for conveying domestic wastewater which has…
Toxic Heavy metals in Sewage
Sewage Water Treatment Some metals compounds level only are essential to live for animal, Plant and human being. Out of that metal compounds are …
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Sewer Pipe Selection by Operation
Operational considerations. Septicity and dangerous gases: Septicity occurs when sewage is retained in the sewers for extended periods in unaerated conditions. Hence, special corrosion…
Design Sewage Flow
Design sewage flow is the expected maximum discharge in the sewer during the life of the system. This is arrived by multiplying the population…
Typical characteristics of wastewater
Table A lists the characteristics of domestic wastewater of different strengths. The strength of the domestic wastewater varies with the per capita water supply…
Storm Water Management
There is increasing recognition that stormwater management needs to be undertaken in a safer and more ecologically sustainable manner. Stormwater should be regarded as…
Recommended Pipe for Sewers
Comparison of pipe materials suitable for sewers are furnished in below Table. The pipe materials recommended for gravity sewers are indicated in below Table.
Chemistry of Chlorine and Waste Water
The chemistry of the chlorination of potable water, waste water and industrial waste is fundamentally the same. The reaction differ only because of the…