Septic systems are a kind of decentralized wastewater system commonly used in areas without a centralized sewer system. Conventional septic systems usually consist of a buried, water-tight container called a septic tank, and a shallow, covered soil absorption field called a drain field.Aug 9, 2021,
Centralized systems are public sewer systems. They treat wastewater in a single, centralized location. Sewers collect municipal wastewater from homes, businesses, and industries and deliver it to a treatment plant for processing. After wastewater is treated, it is reused or discharged to surface water or ground water.Sep 28, 2021
The sewerage systems or water carriage systems are of the following three types: 1. Separate System 2. Combined System 3. Partially Separate System.
There are three main stages of the wastewater treatment process, aptly known as primary, secondary and tertiary water treatment. In some applications, more advanced treatment is required, known as quaternary water treatment.Dec 6, 2018
An alternate low cost method of sewage disposal is a septic tank. It consists of tank in which sewage is allowed to flow , ' anaerobic bacteria in the tank decompose the sewage. 'Other methods are chemical toilets and composting pits .Jan 11, 2018