Search results
Results From The WOW.Com Content Network
Aerobic digestion is a process in sewage treatment designed to reduce the volume of sewage sludge and make it suitable [1] for subsequent use. [2] More recently, technology has been developed that allows the treatment and reduction of other [3] organic waste, such as food, cardboard and horticultural waste. It is a bacterial process occurring ...
Aerobic digestion of waste is the natural biological degradation and purification process in which bacteria thriving in oxygen-rich environments break down and digest the waste.
Aerobic digestion is the degradation of the organic sludge solids in the presence of oxygen. The oxygen is introduced as fine bubbles of air into the reactor. The micro-organisms in the sludge convert the organic material to carbon dioxide and water, and the ammonia and amino species to nitrate.
Aerobic or anaerobic digestion is a process by which an organic matter is broken down by microorganisms in the lack of oxygen, producing biogas, a methane-rich gas used as a fuel, dig estate, and a source of nutrients used as fertilizer.
What is a Sludge? A sludge is a liquid that contains enough solids that it can no longer be considered to have the same physical or hydraulic properties of water. Why are sludges an environmental problem? Sidestreams are produced by every physical/chemical/biological reactor that is designed to remove a specific contaminant.
There are two main types of aerobic digestion: conventional aerobic digestion and autothermal thermophilic aerobic digestion (ATAD). The choice between the two depends on several factors, including the nature of the sludge, the desired level of sludge stabilization, and the available resources.
Aerobic digestion is a treatment process similar to activated sludge; however, it does not involve a continuous inflow of wastewater. Instead, it is a batch process that allows for extended solids retention times.
Aerobic digestion is the biochemical oxidative stabilization of wastewater sludge in open or closed tanks that are separate from the liquid process system. This method of digestion is capable of handling waste activated, trickling filter, or primary sludges as well as mixtures of the same.
Why is aerobic digestion process optimization important? Improved solids management • Improves digestion by increasing capacity of reactors • Can improve dewatering operations: reduces polymer, disposal, and run time • Reduced disposal costs Reduced Solids Disposal
Aerobic digestion is the biochemical oxidative stabilization of wastewater sludge in open or closed tanks that are separate from the liquid process system. This method of digestion is capable of handling waste activated, trickling filter, or primary sludges as well as mixtures of the same.