New sodium hydrosulfite wastewater treatment method

The invention discloses a new sodium hydrosulfite wastewater treatment method. The new sodium hydrosulfite wastewater treatment method comprises the steps of feeding sodium hydrosulfite wastewater, system water and feed coal into a mill to prepare water coal slurry, spraying the water coal slurry in...

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Hauptverfasser: WANG YONGSHAN, LUO SHOUYUAN, LIANG CHUN, CUI ZUBAO, WU ZISONG, LI RENJUN, YANG TINGWEN, SHAO ZHENGJUN, XUAN SHOULI, GUO SONGSHAN, FANG YUEWU
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention discloses a new sodium hydrosulfite wastewater treatment method. The new sodium hydrosulfite wastewater treatment method comprises the steps of feeding sodium hydrosulfite wastewater, system water and feed coal into a mill to prepare water coal slurry, spraying the water coal slurry into a gasification furnace under high pressure and burning at 1380-1390 DEG C, and enabling the gaseous products after burning to enter transformation, rectisol and sulfur recovery systems. The method can achieve the purpose of treating the sodium hydrosulfite wastewater, reduce the environment pollution, has low energy consumption, and is simple.