The sewage plant and the paper is appearance resulting from production processes and raw materials in General, it is highly acidic and alkaline. The environment is a source of acid: water and waste water from the bleach with chlorine oxide and sewage from water system rehabilitation without minerals. Best cradle with alkalinity wastewater from pulp bleaching process with sodium hydroxide and oxygen (alkalinity). In addition, with wood as a raw material in the production of the waste water is a component of pulp fibers, which are organic compounds with . It can show the dirt, picture of b and c-o-o good colors and solid suspension.
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