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PETROCHEMICAL INDUSTRY

Chemical industry includes organic and inorganic chemical industry and has a wide range of chemical products, complex composition. Wastewater discharged by the Petro-chemical plant is called petro-chemical waste water.

Petro-Chemical waste water is varied and most of them are highly toxic and difficult to purify. They have a certain accumulative effect in the living body and have obvious oxygen-consuming properties in the water, which can easily deteriorate the water quality.

Petro-Chemical waste water is varied and most of them are highly toxic and difficult to purify. They have a certain accumulative effect in the living body and have obvious oxygen-consuming properties in the water, which can easily deteriorate the water quality.

 

Petro-Chemical wastewater basic features are as follows:

(1) complex water quality, multiple by-products , the reaction material is often a solvent or cyclic compounds, increasing the difficulty of wastewater treatment.

(2) The high content of pollutants in the wastewater are caused due to the incomplete reaction of the raw materials and the raw materials, or the large amount of solvent medium are introduced into the wastewater system during the production.

(3) many toxic and harmful substances, r many organic pollutants of fine chemical wastewate are toxic and harmful to microorganisms such as halogen compounds, nitro compounds, dispersants or surfactants with bactericidal action .

(4) many bio-refractory substances, low B / C ratio, poor biodegradability.

(5) high color water.