Application of plate and frame filter press in acid wastewater treatment process
Preface Current status of acid-containing wastewater treatment Hydrochloric acid is a commonly used chemical product, which is widely used in the production of steel, electroplating and pickling of steel structural parts. It is also used in chemical and rare earth production processes. A pickling unit with an annual production capacity of 450,000 tonnes of cold emulsion steel plates requires about 20,000 tonnes of hydrochloric acid per year, generating...
Plate and frame chamber diaphragm filter presses

