System requirements dictate type of installation, pump and accessories.
By Jon Crowley Chemical injection diagram showing typical pump installation Chemical injection is a straightforward concept. It involves introducing relatively small amounts of dry or liquid chemical into a larger volume of liquid at a set ratio. Beyond that, the type of applications, variety of chemicals and sophistication of injection systems are virtually infinite. We will look at the reasons for chemical injection, its methods and equipment, and available options and guidelines for selection and specification. Chemical Injection Applications Originally, chemical additives were used to facilitate health and safety in water and sewage treatment.