Fine-sticky granules are separated from sticky and hot distillers? grains by the horizontal screw centrifuge, then it? s made into fine fodder by dried processes, Because the COD is lowered, the wastewater can be fermented to produce marsh gas.
Fast-growing fuel woods should be developed in a planned way, while firewood-saving stoves, marsh gas and biogas from the stalks of crops should be widely promoted.
This paper introduced the present situation, experience and the problems of marsh gas building in the countryside of Rudong.
Other types of biogas are called digester gas, marsh gas or even swamp gas, depending on the source of origin.
However, frequent use of the process did not produce gas in the winter, restricted the healthy development of rural marsh gas.
Emphasis should be placed on support for projects of water-conserving irrigation, drinking water, production and use of marsh gas, hydroelectric power generation, rural road building, and grazing land fencing.
Ensiled energy crop does not easily mildew or rot, which is very important to stable production of large marsh gas enterprises.
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