Abstract
The resources of excess sludge exist in zoogloea and bacteria cells.Excess sludge disintegration technique enables the full release of the organic matter in sludge, so that nutrients, energy and other resources in sludge can be fully recycled, meanwhile, the reduction of sludge solids matter can be achieved.Excess sludge disintegration is necessary preprocessing to achieve the harmlessness, reduction and recycle goal of sludge disposal. This article describes the physical, mechanical, chemical, biological, and the combined sludge disintegration method, as well as the principle, characteristics, research progress, and the main research results of various sludge disintegration method.
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