A leather enterprise in Kaifeng city processes 6 million goat skins annually and engages in the full process production from fur to finished leather.There is one sewage treatment plant built in the factory area,mainly including a pre-treatment unit for chromium containing wastewater,a pre-treatment unit for sulfur-containing wastewater,and a treatment unit for comprehensive wastewater.Based on the design scale and inlet and outlet water quality of the sewage treatment plant,the process flow and main design parameters of wastewater treatment are analyzed,in order to guide similar enterprises to effectively reduce investment and operating costs,and improve economic and environmental benefits.
关键词
山羊皮/废水处理/铬/硫化物/厌氧好氧工艺
Key words
goat skin/wastewater treatment/chromium/sulfides/anaerobic oxic process