Why Use Demulsifier for Recycing Cutting Fluid
In the process of metal processing, the cutting fluid is usually used to cool and lubricate the tools and processing parts, and the cutting fluid after repeated use due to deterioration, failure and waste cutting fluid. This kind of wastewater has high oil content, high COD, stable emulsion, difficult to break milk, small water quantity, poor biochemical, contains other impurities, unstable, which needs to be pretreatment separately.
At present, there are many ways to treat cutting liquid wastewater on the market, but for most hardware and metal production enterprises, it is also difficult to choose a suitable and economic treatment method. This kind of wastewater contains more chemicals, and the treatment is a great project. However, if the cutting fluid wastewater is returned to the factory for recycling, it is much simpler than direct discharge. Generally, the water only needs to be clear, reduce part of the pollution index, and not stink. So this step is closely related to cutting fluid wastewater.
In cutting fluid wastewater treatment reuse, can filter wastewater, remove large particles of impurities, and then use cutting fluid wastewater emulsion agent, make the sewage oil and colloidal particles lose stable repulsion and attraction, lose reliability of flocs, and then by air floating equipment three mixture of bubbles form water-gas-particles, particles attached to the bubble, appearance density is less than the water flocs. Clean supernatant can be filtered on one side for business recycling.
Using demulsifier to clarify the water quality is a common disposal method, it can make the water yield stable, the water quality is good, the addition method is simple and fast, and the dosage is small. However, due to the complex changes of water quality of cutting fluid wastewater, Guangdong Shmei can provide free water quality test and make suitable addition schemes for water samples.
In general, Cleanmaster has more than one demulsifier, and even if used in cutting fluid wastewater, there will be different models. It can not only treat the wastewater to reuse, but also use the combined disposal process of coagulation + air flotation + biochemical to discharge. In the process of flocculation and precipitation, organic matter, such as COD, BOD, SS, and surfactant in color, wastewater, can be removed, and can have no harm to the subsequent biochemical system, and even reduce the subsequent biochemical cost, so as to fundamentally solve environmental problems for customers.
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