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In recent years the sodium hydrosulphide
time2012/03/05
In recent years the sodium hydrosulphide development is very rapid, and widely used in the upper and lower water, water recycling, industrial wastewater treatment and sludge dewatering process, the chemical industry, light industry and other sectors are widely used in a pharmacy in the solid-liquid separation operation.sodium hydrosulphide is on a late 1960s officially put into industrial production and application of a new polymer coagulant water purification materials because of its dosing less high purification efficiency, good water quality after filtration, and low cost range ofadvantages,