In the process of pesticide production, a large amount of wastewater will be produced. These wastewater components are complex, containing pesticide agents, intermediates, organic solvents, emulsifiers and other substances, usually showing a stable emulsification state, and it is extremely difficult to treat. The appearance of demulsifier in pesticide wastewater provides an important way to effectively solve this problem.
The reason why pesticide wastewater is difficult to treat is that the emulsifier in it makes the oil droplets and water form a stable emulsion system, which is difficult to separate oil and water by conventional methods. The demulsifier of pesticide wastewater can destroy the stability of this emulsion. Its principle of action mainly includes charge neutralization and adsorption bridge. The demulsifier molecule has a specific charge, which can attract the emulsifier and the oil droplet with opposite charge in the wastewater, neutralize the charge, and reduce the repulsion between the oil droplet and make it easy to gather. At the same time, the demulsifier molecules can also form an adsorption layer on the surface of the oil droplets, connecting multiple oil droplets like a bridge, and promoting the polymerization of small oil droplets into large oil droplets, so as to realize the separation of oil and water.
This demulsifier has many remarkable advantages. The first is high efficiency, which can quickly break the emulsification state of pesticide wastewater, greatly improve the efficiency of wastewater treatment, and reduce the treatment time and cost. Secondly, it is highly targeted, specially developed for the complex composition and characteristics of pesticide wastewater, and can show good demulsifier effect on all kinds of pesticide wastewater, whether it is organophosphorus pesticide wastewater or pyrethroid pesticide wastewater. Moreover, it is easy to use, just add the demulsifier to the pesticide wastewater in accordance with a certain proportion, and after proper agitation, the demulsification process can be started, which is easy to operate and control.
Pesticide wastewater demulsifiers are often used in combination with other wastewater treatment processes. For example, the wastewater after demulsification can be further precipitated, filtered, biodegraded, etc., in order to remove the residual pollutants and make it meet the discharge standards. At the same time, according to the specific composition, concentration and degree of emulsification of pesticide wastewater, the dosage and use conditions of demulsifier can be flexibly adjusted to achieve the best demulsifier effect and economic benefits. With the increasingly stringent environmental requirements and the continuous development of the pesticide industry, pesticide wastewater demulsifier is also constantly innovating and improving, and will play an increasingly important role in the field of pesticide wastewater treatment, helping the pesticide industry to develop in a green and sustainable direction.
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