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The concept of water treatment Dec 19, 2017

Water treatment includes physical and chemical treatments and biological processes.

The ways in which human water treatment have been years of history, physical methods including the use of a variety of different aperture size, the filter material using adsorption or blocking way, exclude the impurities in the water, the adsorption mode of less important for adsorption on activated carbon, blocking method is through the water, the filter material for large impurity cannot pass, and get more clean water.

In addition, the physical method also includes precipitation method, which is to make the impurity of the smaller proportion floating in the water, or the impurities of the larger proportion are deposited in the lower, and thus obtained.

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Chemical method is to use various chemicals to the water impurities into smaller material harm to the human body, or the impurity concentration, the oldest of the chemical treatment method should be use alum in the water, the water impurities after collection, volume change, used to filter method, remove the impurities.

As human life constantly improve the water eutrophication of ammonia nitrogen, phosphorus and other nutrient problems step by step to improve the wastewater discharge standards, and the national environmental protection bureau in use for many years the traditional "primary treatment" and "secondary treatment" water treatment technology and equipment, has been difficult to adapt to today's high turbidity and high concentration sewage processing requirements, and long process flow, system, but also send out a large number of odor.

Operators to meet the latest emissions standards, we need to invest large funds to expand the existing sewage treatment system, increasing area of sewage treatment facilities and high and high maintenance costs, however, the traditional wastewater deep treatment regeneration recycle technology systems (such as activated carbon filter, microporous filter, osmosis membrane purification techniques such as system) of the high cost of investment is high, the late maintenance operation, many operators.

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