types of what is high purity poly aluminium chloride from South Africa
Electroplating wastewater contains highly toxic cyanide, cya- nide complexes and metal ions that makes treatment a complex problem. As the electroplating industries are located in tiny and unorganized sectors in India the problem becomes more grave. Due to lack of technology, Automation and process.
plating, post-treatment and finishing. Normally Class I Substances are used in the stages of pretreatment, plating and post-treatment. Preparation: polishing of a part to be plated, etc. (2) Pretreatment process: mounting of treatment equipment and dipping in pretreatment baths (treatment baths with various chemicals) and water rinsing baths