Name： Cold rolling wastewater treatment project of Baotou Steel (group)
Project name: Cold rolling wastewater treatment project of Baotou Steel (group) Co.,Ltd.
Project scale: 2400 m3/d
Commissioning date: May, 2005
Treatment process: ceramic membrane + obligate microorganism
Project overview: The cold-rolled sheet production scale of Baotou Steel (group) Co.,Ltd. is 1.4 million tons per year, among them, cold rolled products spool 800,000 tons, hot galvanizing plate spool 410,000 tons. The assembling unit consists of a pickling - cold rolling combination line, continuous hot galvanizing unit and other technological production lines and related auxiliary facilities. The production process produces a lot of acid-alkali waste water, oily and emulsification wastewater, chromium containing (heavy metal ion) wastewater. The wastewater will be discharged after it meets the national secondary emission standard through treatment.