Treatment system and method for high-salt wastewater

• Main Authors: WU DI, WANG FAZHEN, SHEN HUAN, LI ZONGHUI, TONG JUAN, LI TIANZENG, LIU JINQUAN
• Format: Patent
• Language: Chinese; English
• Published: 08.04.2009
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention discloses a wastewater treatment system for treating highly salt-contained wastewater and a treatment method thereof, which belongs to the field of water treatment. The system comprises a biological treatment sub system and a salt crystallization sub system, wherein the biological treatment sub system is formed by the order connection of an anoxia pond, an aeration pond and a membrane biological reactor, wherein the anoxia pond is provided with a wastewater inlet through which the highly salt-contained wastewater is introduced to the anoxia pond, the inner parts of the aeration pond and the membrane biological reactor are both provided with aeration heads connected with an air compression device, and the membrane biological reactor is provided with a after-filter water outlet pipeline for water discharging; and the after-filter water outlet pipeline of the membrane biological reactor of the biological treatment sub system is connected with a water inlet of the salt crystallization sub system, an