On January 22, 2008, during the National Environmental Protection Bureau meeting, Zhou Shengxian, then Director of the State Environmental Protection Administration, emphasized that the next three years would be a crucial period for implementing the "Eleventh Five-Year Plan" for environmental protection. He stressed the importance of pollution reduction and water pollution control, highlighting the need to focus on key industries and projects to manage emissions of sulfur dioxide (SOâ‚‚) and chemical oxygen demand (COD), which were contributing to environmental degradation.
Zhou mentioned that this year, the State Environmental Protection Administration would enforce strict measures against non-compliant enterprises, including production limits, temporary shutdowns for renovation, or permanent closure. He called for a 6% reduction in SOâ‚‚ emissions and a 5% decrease in COD emissions from heavily polluting sectors such as chemicals and paper. Enterprises exceeding emission standards or using toxic substances would be targeted. In regions suffering from severe eutrophication, new industrial projects that increase nitrogen and phosphorus emissions would be halted across entire watersheds.
Additionally, he urged stricter environmental access requirements, emphasizing the need to curb the growth of high-energy-consuming, high-pollution ("two high and one capital") industries. Projects discharging heavy metals or persistent organic pollutants into rivers would face approval restrictions. Areas with unresolved issues, such as non-compliance with total pollution control targets or delayed implementation of key projects, would be subject to "regional restricted approvals."
According to reports, since the launch of the "Eleventh Five-Year Plan," environmental efforts had yielded some progress. Relevant government departments had raised environmental standards for 13 high-energy and high-emission projects, including petrochemicals, with a total investment of nearly 1.5 trillion yuan. Over 377 projects were either denied approval or postponed. More than 9,000 new projects nationwide underwent special environmental inspections, and 1,194 projects that failed to meet environmental assessment criteria were suspended, delayed, or required improvements. These actions reflected a stronger commitment to sustainable development and environmental protection.
Dry Desulfurization Denitration Crushing Equipment
1.Dry process desulphurization technology is using grinder and conveying fan combination of the grading system, to complete grinding powder spraying device, after smashing the sodium bicarbonate fine powder porous lamellar or shaped, structure, uniform particle size, fineness 200-6000 mesh is adjustable, with good dispersion, and then in solid superfine powder by high pressure centrifugal fan, direct injection into the furnace or in the reaction tower, It can effectively remove more than 95% of SO2 and HC in the tail gas, and the removal rate can reach 99%.
2.The equipment adopts the specialty of domestic and foreign dry mechanical crusher, according to the need to use large air volume into the cavity or water jacket cooling, in order to reduce the crushing heat, to prevent the shortcomings of material particles sticking to the wall, sticking to the crushing plate;
3.Crushing and grading machine, can reach the fineness requirements of the material in time to send out, avoid over-crushing, narrow distribution of material particle size, fineness 200-6000 mesh, online adjustable.
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