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Xinyuda Environmental Protection Technology Co., Ltd
Shanghai, China
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The overall amount of sewage discharged in China keeps increasing due to the country's rapid urbanization and industrialization as well as its ongoing population expansion. Ten percent of the 602.2 billion cubic meters of water used in 2010 came from the 61.7 billion cubic meters of sewage that were released overall. Three trillion cubic meters of water resources will be contaminated, and water use cannot be assured if these 61.7 billion cubic meters of sewage are not adequately cleansed. Thus, the primary solution to China's water issues and the attainment of sustainable water resource development is the recycling of sewage. The industrial water treatment sector has a promising future, but its threshold in terms of capital, regulation, and geography is rising steadily. Policy-wise, both municipal and national governments have more authority over the industrial water treatment sector. For instance, the profitability of sewage treatment operators will be significantly impacted by changes in the cost of sewage treatment. Due to the high cost of sewage transfer and its strong regional features, the majority of industrial water treatment projects are typically given directly to local businesses, making it challenging for foreign or non-local investors to get associated projects. As a result, even though the sewage treatment sector offers many opportunities, there are some obstacles to entry. In the face of the industry's constant change, only businesses with financial and technological advantages can stay unbeatable. In the areas of domestic and international industrial wastewater, circulating cooling water, boiler water, process water, municipal sewage, seawater desalination, and thorough resource utilization of various water systems, it primarily covers technical trends, research reports, special reviews, experience summaries, scientific management, and industry news. Scientific researchers, engineering designers, technical engineers, field engineers, purchasing engineers, enterprise managers, and college and university instructors and students are among the readers; subscribers include design institutes, environmental engineering firms, sewage treatment plants, environmental monitoring departments, and industrial industries like chemical, petroleum, metallurgy, steel, electricity, electronics, textiles, printing and dyeing, leather, papermaking, pharmaceuticals, machinery, automobiles, light industry, hospitals, food, beverages, and brewing.
Sludge treatment is the final step in the industrial water treatment process. To make sure there is enough stable sludge in the sewage treatment tank to support the anaerobic reaction, some of the precipitated sludge from the secondary sedimentation tank flows back to the anaerobic tank after passing through the sludge pump room. The remaining portion is concentrated and subsequently dehydrated. The cement is separated in the sludge dehydration room to create dehydrated sludge that is easier to transport and has a low water content. The Xinanhe Sewage Treatment Plant can manufacture about 100 cubic meters of this type of dehydrated cement per day. Lastly, the dehydrated sludge is shipped to be burned at the Qingquan Thermal Power Plant. The components of these solid muds are intermingled, but they can also be utilized as sanitary landfills or fertilizers. Despite the high expense of incineration, secondary pollution can be avoided by disposing of sludge in a resource-based, reduced, and safe manner. It takes 22 hours for a drop of sewage to enter the Xinanhe Sewage Treatment Plant and eventually exit following this sequence of treatment procedures. It is known that building and running a sewage treatment plant can lower the chemical oxygen demand (CODcr) by 19,300 tons per year, lessen sewage pollution of surface and groundwater resources, and increase the water resources' usefulness.

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