Telescopic Topic from classtools.net

ANAEROBIC DIGESTION. Anaerobic digesters can help control the environmental risks of dairy farms and other animal feedlots.There are many advantages in using digesters

DIGESTER TECHNOLOGY The digester is an air-tight chamber where anaerobic bacteria can break down organic waste and produce a mixture of gases known as “digester gas” that can be used to produce energy.

TYPES OF ANAEROBIC DIGESTERS There are 3 basic types of digester design
- They all can trap methane and reduce coliform bacteria, but they differ in cost, climate suitability and concentration of manure solid they can digest.

PROCESS OF ANAEROBIC DIGESTION The process of anaerobic digestion, which usually lasts between 20 to 30 days (heating the manure can reduce retention time), develops into different stages involving different types of bacteria