Coupling treatment process for synthetic ammonia wastewater and hexamethylenediamine wastewater produced by coal gasification

The invention provides a coal gasification synthetic ammonia wastewater and hexamethylenediamine wastewater coupling treatment process, which comprises a pretreatment step, a biological treatment step, an advanced treatment step, a sludge treatment step and an odor treatment step, high COD molecules...

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Hauptverfasser: PAN QIANG, WANG DAYONG, WEI XIANGYUAN, GU XIAOHU, YANG XIZHONG, FENG JIWEI, ZHANG ZHANWEI, XU GUANGPO, MENG FANLI, CHEN GUICHANG, SUN LILI, CHEN XIAOLONG, SHANG JINBIAO, JIE MIAO, LIU OUYANG, CHENG CHUANCHENG, PENG SHAOCHUAN, LIU XIAOGUANG, ZHAO YONGHUI, LIN FANFA
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention provides a coal gasification synthetic ammonia wastewater and hexamethylenediamine wastewater coupling treatment process, which comprises a pretreatment step, a biological treatment step, an advanced treatment step, a sludge treatment step and an odor treatment step, high COD molecules in hexamethylenediamine wastewater are hydrolyzed as a carbon source to be utilized in the process, the use of additional carbon sources is reduced, and the cost is reduced. And the denitrification biofilter and the Fenton oxidation are combined for deep treatment, so that COD and ammonia nitrogen in the wastewater can be removed more cleanly. The invention provides a coupling treatment process for synthetic ammonia wastewater prepared by coal gasification and hexamethylenediamine wastewater, which solves the problems caused by a coupling treatment process for synthetic ammonia wastewater prepared by coal gasification and hexamethylenediamine wastewater. 本发明提供一种煤气化制合成氨废水和己二胺废水耦合处理工艺,包括预处理步骤、生物处理步骤、深度处理步骤、污泥处理步骤和臭气