Specifications include, but are not limited to: 2.1 The polymer supplied under these specifications must be a liquid cationic emulsified solution of a high molecular weight flocculant. 2.2 The polymer must have good mixing characteristics and produce a minimum of nuisance conditions, such as floating scum or foam. 2.3 The polymer shall be suitable for storage in plastic vessels and shall have a shelf life in the storage tank of no less than six months. The freeze-thaw recovery of the polymer shall be at least 90%. The polymer should be mixable with water in all dilutions, and should be able to be diluted to any ratio desired to meet the chemical feed capacity. 2.4 The polymer shall have the following general properties: appearance - viscous liquid solubility- soluble in water in all proportions 2.5 The polymers application shall decidedly improve the operation of the belt filter press, and attain the following performance: • feed solids - 1.5% - 3.5% • hydraulic loading - 100-200 gpm • minimum cake solids -13 % capture - 85% • filtrate quality- less than 1,000 mg/L TSS
