Sulfuric Acid Production Process Technology (Sulfur Process/Pyrite Process)
  • 26-04-16 10:14
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Proficient in the two mainstream process routes: sulfuric acid production from sulfur and from pyrite. Among them, the 200,000-ton/year pyrite-to-sulfur process conversion has been certified as proprietary technology by an industry authority (China Petroleum and Chemical Engineering Design Association, 2008). In past performance, the 200,000-ton/year pyrite-to-sulfur conversion project and the 300,000-ton/year sulfuric acid project have both received provincial-level awards for excellent engineering design. Technical solutions can be flexibly configured based on the owner's sulfur resource endowment (sulfur or pyrite) and target production capacity, and can be integrated with downstream joint production projects such as phosphoric acid and phosphate fertilizers for overall technical planning. Full-process services extend from the process package to construction drawing design and commissioning guidance.

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E - Engineering Design

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C - Construction

S - Site & Revamp

Key material technology for high-power, high-energy-density lithium batteries

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For scenarios such as electric aviation, high-end equipment, and fast-charging power batteries, lithium-ion batteries are subject to stringent requirements for both high power and high energy density. The bottleneck is concentrated at the level of key materials. This technology focuses on high-power and high-energy-density lithium-ion batteries, developing key materials for the positive and negative electrodes, as well as supporting systems. The positive electrode is optimized for a balance between high specific capacity and structural stability, while the negative electrode is optimized for high capacity retention and lithium precipitation inhibition under fast-charging conditions. In addition, the technology combines electrolyte and electrode structure design to achieve synergy between materials, electrodes, and cells, supporting both high-rate charging and discharging and long-term durability. The technology can directly meet the product upgrade needs of cell manufacturers. At present, a pilot production facility has been built and validated, demonstrating the feasibility of material preparation and cell adaptation, and providing the basis for process scaling. The technology can provide services such as material preparation technology licensing, cell design adaptation support, pilot-scale production and production line construction guidance, performance evaluation, and personnel training.

T - Technology & Patents

Sulfuric Acid Production Process Technology (Sulfur Process/Pyrite Process)
掌握硫磺制酸和硫铁矿制酸两条主流工艺路线。其中20万吨/年硫铁矿制酸改硫磺制酸工艺已获行业权威机构(中国石油和化工勘察设计协会,2008年)认定为专有技术。过往业绩中,20万吨/年硫铁矿改硫磺制酸工程和30万吨/年硫酸工程分别获得省级优秀工程设计奖。可根据业主的硫资源禀赋(硫磺或硫铁矿)和目标产能灵活配置技术方案,并可与磷酸、磷肥等下游联产项目进行整体技术规划。全流程服务从工艺包延伸至施工图设计及投产指导。
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