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  • The first stage is sludge concentration to preliminarily reduce the volume of sludge; The second stage is sludge digestion to decompose the organic matter in the sludge; The third stage is sludge dewatering to further reduce the volume of sludge; The fourth stage is sludge disposal to treat the fina...
  • The solids control system is one of the most important parts in the well drilling, known as the filter of drilling blood. A reasonable solids control system can effectively control the solid-phase content in the drilling fluid, reduce the complexity of the drilling process and the probability of acc...
  • Nowadays, the exploitation of resources is constantly improving. To achieve better results in the processing and development of important resources, it is necessary to strengthen the effective treatment of waste drilling cuttings. The application of solidification and stabilization technology meets...
  • The advent of the low oil price era has brought challenges to global oil and gas development. Despite the challenges, Chinas shale gas industry is still booming and making great progress. The industry predicts that during the “13 th Five-Year Plan” period, China will substantially increase shale...
  • China is a country with vast resources, where there must be more oil reserves than many other countries. However, there are more population and more consumption in China, which is directly proportional. For how to solve this problem, we have to mention the shale oil and gas fields in Xinjiang. It is...
  • At present, strengthening the environmental protection equipment manufacturing industry, developing advanced environmental protection equipment, and expanding the scale of the environmental protection equipment manufacturing industry are the main lines of current environmental protection industry de...
  • The piling mud at a construction site has a large amount, and once the construction machinery runs, a large amount of mud can be produced in a short time. Due to no large volume of mud pit on the site, direct discharge will pollute the environment, and the truck transportation cost is very high, so...
  • Solvent extraction is an effective technique for treating oily sludge with multiple sediments, small particles and oil content of 10%-20%. The process utilizes an extractant to dissolve the oily sludge. After being stirred and centrifuged, most of the organic matter and oil are extracted from the mu...
  • From the additions of sewage treatment → no need of treatment, direct landfilling to the concomitant of sewage treatment → needing harmless and resource disposal, the secondary pollution of sludge gradually attracts the attention of the environmental protection industry. Moreover, due to the lar...
  • (1) Organic matter pollution: Organic pollutants in sludge mainly include benzene, chlorophenol, PCBs, PCDFs and PCDDs. The organic pollutants contained in the sludge are not easily degraded and have toxic residues for a long time. These toxic and harmful substances will cause environmental pollutio...
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