... :dicyandiamide formaldehyde resinApplication Field:1. It is mainly used for waste water treatment for printing, dyeing, textile, mining, ink, paper and ... so on.2. It can be mainly used for color removal treatment for high-colority waste water from dyestuffs plants. It ... chloride, but not mixed together. In this way, the treatment cost can be lowered. Whether polyaluminum chloride is used beforewards ...