The efficiency of silica sludge removal from pickling liquor effects the operation of pickling line and quality of iron oxide powder as a by-product in cold rolling plant.

• 酸洗液的除硅效果直接影响到酸洗系统的正常运行和副产氧化铁粉的质量,由于该硅泥的粒度小,用机械分离的方法很难去除。