Waste gas and waste water treating system and method

• Main Authors: JIA XIAOJUN, SUN ZHIZHONG, CHI JIAN, LI YANMEI, LU BAZHI, HE CHUNWEN, CHI ZHANYANG, MA MINRUI
• Format: Patent
• Language: Chinese; English
• Published: 16.03.2016
• Subjects: CHEMISTRY; METALLURGY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention discloses a waste gas and waste water treating system comprising a circularly collected flue gas treatment system containing a magnesium oxide absorption liquid, an acid water neutralizing treatment system and an electrochemical treatment system, wherein an inlet of the circularly collected flue gas treatment system is connected with a fan for delivering smelting circularly collected flue gas, a waste liquor outlet of the circularly collected flue gas treatment system is communicated with an inlet of the acid water neutralizing treatment system through a pipeline provided with an absorption liquid delivery pump, a neutralization liquid discharge port of the acid water neutralizing treatment system is connected with an input end of a neutralization liquid delivery pump, an output end of the neutralization liquid delivery pump is connected with two pipelines, one pipeline is introduced into the circularly collected flue gas treatment system, and the other is introduced into the electrochemical tre