In this article we will discuss about the process of anaerobic digestion which is used to treat wastewater. Meaning of Anaerobic Digestion: Anaerobic Digestion (AD) is a biological process similar in many ways to composting. It is a natural treatment process and, as in composting, bacteria break down organic matter and reduce its bulk or "mass ". Anaerobic digestion is [...]
Wastewater Treatment Essay – This is one of the best essays on ‘Wastewater Treatment’ especially written for school and college students. Essay on Wastewater Treatment 1. Essay on the Preliminary Treatment of Wastewater: The purpose of preliminary treatment is to protect the operation of the wastewater treatment plant. This is achieved by removing from the wastewater any constituents which can [...]
The following points highlight the four main objectives of pre-chlorination. The objectives are:- 1. Odor Control 2. Protection of Plant Structures 3. Aid in Sedimentation 4. Reduction or Delay of Biochemical Oxygen Demand. Objective # 1. Odor Control: The decomposition of wastewater starts in sewers and becomes objectionable only after anaerobic decomposition has taken over. The degree of putrefaction that [...]