What are the Demulsification Agents of Petrochemical Wastewater?
Petrochemical wastewater is using oil refining gas and naphtha and other light or heavy oil as raw materials to produce ethylene, propylene, butylene and other chemical raw materials, further reaction synthesis of various organic chemical products, forming the wastewater discharged from petrochemical joint enterprises. Petrochemical wastewater has large water quantity, complex pollutant composition, the characteristics of water fluctuation, direct discharge will cause serious pollution to water, contains a lot of suspended and refractory organic matter, cause waste water of organic matter and suspended solids pollution as the main pollution factor, so the waste water must be discharged after treatment.
In view of the problem of petrochemical wastewater, adding a kind of demulsion agent treatment can be solved. Petrochemical wastewater is an inorganic organic compound polymer cation copolymer, high molecular weight, unique chemical structure; after dissolved in water, can simultaneously play the role of particle adsorption bridge and electric neutralization, emulsified oil in wastewater, colloid condensation and separation precipitation.Good oil removal, decolorization, breast breaking effect, simple process can complete the coagulation process.
Petrochemical wastewater demulsification speed is very fast, can remove the waste water oil, gelatin, etc., alum in the water, settling fast, decolorization effect is greater than 90%, COD reduction is more obvious, and small dosage, really emulsion fast, COD removal rate is high, the effect is good, at the same time makes the processing process and technology, save equipment investment cost, is a kind of environmental protection and economic water treatment.
Scope of application and ingredient type
Cement mortar defoaming agent is suitable for the construction process of various cement-based materials, such as cement mortar, external wall coating, sewage treatment, etc. According to their main ingredients, defaming agents can be divided into the following categories:
Non-silicon system: mainly polyether defoaming agents, also including advanced alcohols, acids, hydrocarbons and esters.
Silicon system: silicone oil or silica black silicone oil paste and modified silicone oil as the main components, is the most widely used class of defoaming agent.
Silicon and ether mixed type: combining the advantages of silicon system and ether system, it has stronger defoaming ability and wider applicability.
Use methods and effects
The use of cement mortar defoaming agent is simple, only add the right amount of defoaming agent in the mixing process. Its effect is remarkable, can quickly eliminate the foam, but also does not affect the basic properties of cement mortar, improve the construction efficiency and quality.
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