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Domestic Wastewater Treatment Process Chart

Municipal sewage mainly comes from sewage produced by urban residents, mainly toilet flushing water, laundry water and other domestic wastewater. Features: Large amount of water and complex composition. Under the complicated treatment process of the sewage treatment plant, complex sludge components are formed. Affected by external factors such as temperature and dewatering model, the treated…

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Dissolution time of polyacrylamide flocculant product

  When polyacrylamide is used, the biggest problem encountered is the dissolution time of product, because poor dissolution can affect the using effect directly and may block the adding equipment. Therefore, dissolution time is the second index specified in the national standard. General hydrolysis product is easy to dissolve within 60—120 minutes, and nonionic product, 90—120…

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Introduction to model selection of sludge dewatering equipment

Large quantities of sludge shall be produced after sewage is subject to sediment treatment. Even though the sludge is treated by means of concentration and digestion, the water content is still as high as 96%, and the volume is too big to be digested and disposed. So it must undergo dewatering treatment to increase the…

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Mixing speed and time of polyacrylamide solution

Usually polyacrylamide solution is prepared by means of mechanical mixing. The mixing speed has great influences on the preparing time of the solution. However, too fast a speed shall cause degradation of polyacrylamide and part of polyacrylamide long chains shall break and influence sediment effect, so the mechanical mixing speed must be controlled strictly. The…

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What is polyacrylamide?

The products was produced by adopting unique process “Pneumatic drying”, the granularity can be controlled between 80-140 mesh, it has the unique features of slimy granule, rapid solution, high viscosity, slow degradation and excellence flocculation effect. This product adopts the copolymerization of acrylamide and acrylic acid process, after granulating, drying, pulverizing, the appearance of the…

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Oily Sludge Treatment Solution

Mud (sand) crude oil is mainly sludge and scum produced during the exploration, mining, gathering and transportation, and wastewater (liquid) treatment of petroleum and natural gas. It has large production, high oil content, high heavy oil composition, and comprehensive utilization. Features such as few ways and difficult processing. Relying on the core technology developed independently,…

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Oily Wastewater Treatment Solution

Oily Wastewater Treatment Solution Oil substances usually exist in three states in wastewater: (1) Floating the oil, the particle size of the oil droplets is greater than 100 μm, and it is easy to separate from the wastewater. Oil products have larger particles dispersed in wastewater, and the particle size is greater than 100 microns,…

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Crude Oil Treatment Solution

Crude Oil Treatment Solution Due to the different characteristics and geology of crude oil in various oil fields, the produced water quality of oil fields is different, but they all have the same characteristics. Generally has the following characteristics: high oil content, complex composition, high mineralization, high water temperature, and radioactive. (1) Contains various organic…

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