Overview
Synthetic catalysts are designed to optimize reaction rates and selectivity in industrial and laboratory settings. Unlike natural catalysts (e.g., enzymes), they are tailored for specific processes, such as hydrogenation or oxidation, through precise control of active sites and support materials. Common types include heterogeneous catalysts (e.g., zeolites) and homogeneous catalysts (e.g., organometallic complexes). Their development involves advanced materials science and computational modeling to enhance efficiency and reduce energy consumption. Major producers include BASF, Clariant, and Johnson Matthey, supplying industries from fuel refining to fine chemicals.
Physical and Chemical Properties
Synthetic catalysts exhibit high surface areas (e.g., 100–500 m²/g for supported metals) to maximize active sites. Thermal stability is critical, with many operating at 200–600°C without degradation. Selectivity—ensuring desired product formation—is achieved through pore structure design (e.g., in zeolites) or ligand modification in homogeneous systems. For example, palladium-based catalysts selectively hydrogenate alkynes to alkenes, while acidic catalysts like sulfated zirconia isomerize hydrocarbons. Recyclability is another key trait, with some losing <5% activity over 100 cycles.
Main Applications
In petrochemicals, fluid catalytic cracking (FCC) catalysts convert heavy oils into gasoline. Automotive catalysts (e.g., platinum-rhodium) reduce emissions by converting NOx and CO into harmless gases. Pharmaceuticals rely on chiral catalysts for enantioselective synthesis, such as producing levodopa for Parkinson’s disease. Environmental applications include photocatalytic TiO2 for water purification. Polymerization catalysts, like Ziegler-Natta systems, control polyolefin microstructure. Emerging uses involve CO2 conversion to fuels via copper-zinc oxide catalysts.
Safety and Storage
Some catalysts, like Raney nickel, are pyrophoric and must be stored under water or inert solvents. Air-sensitive catalysts (e.g., Grubbs’ catalyst) require argon or nitrogen atmospheres. Spent catalysts may contain toxic metals (e.g., chromium), necessitating hazardous waste protocols. Handling precautions include using fume hoods for powdered forms and avoiding skin contact with metal salts. Storage temperatures vary; enzymatic catalysts often require refrigeration, while zeolites are stable at room temperature.
B2B Procurement Guide
Buyers should specify metal loading (e.g., 5% Pd/C), particle size, and support material (e.g., activated carbon vs. alumina). Pilot testing is recommended to confirm activity and lifetime. Bulk purchases (e.g., >100 kg) can lower costs by 10–30%, but consider shelf-life constraints. Suppliers may offer technical support for reactor integration. Certificates of analysis (CoA) should detail purity, surface area, and trace impurities. Regional logistics matter—some catalysts are regulated as hazardous materials for transport.
Related Manufacturers
- 主营：吸湿剂、防冻液、防腐剂、脱硫的催化剂、乙二醇、水分保持剂、磷酸二氢钙、保湿润滑剂、表面活性剂、混凝土添加剂、矿物质预混合料、木质素磺酸钠、碳酸锰、乙酸钙、二乙二醇、丙二醇、磺酸、三乙醇胺、木质素磺酸钙、加益粉、食用葡萄糖、石膏粉、饲料级小苏打、AOS粉
- 主营：[]
- 主营：催化剂、整体式蜂窝陶瓷蓄热体、板片式蜂窝陶瓷蓄热体、蜂窝沸石
- 主营：砷磷烷吸附剂、霍加拉特剂、硫自养滤料、臭氧催化剂、臭氧分解催化剂、芬顿催化剂、VOCS催化剂、一氧化碳催化剂、瓷球填料
- 主营：离子交换树脂催化剂、阳离子交换树脂
- 主营：印染洗剂、三乙醇胺、污水处理剂、催化剂、净水质大苏、表面活性剂、二甲基甲酰胺、无水亚硫酸钠、二乙二醇丁醚
- 主营：降解材料、化工试剂、环保材料、合成聚乳酸、高分子合成料、纯度合成单体、乙交酯合成单体、丙交酯材料、高分子材料、共聚物原料、医用级材料、透明聚乳酸、可降解丙交酯、环保型乙交酯、聚乳酸共聚物、高纯度丙交酯、透明级丙交酯、可降解聚合物、食品级丙交酯、医用可吸收原料、聚乳酸基础材料、医用乙交酯原料
- 主营：斜管填料、滤砖、人工湿地填料、催化剂、石英砂滤料、无烟煤滤料、混凝土滤板、网格絮凝器
- 主营：七水硫酸锌、七水硫酸亚铁、一水硫酸锌、催化剂、一水硫酸锰、一水硫酸亚铁、五水硫酸铜、工业级七水硫酸亚铁、活性氧化锌、碱式碳酸锌、一水硫酸锌颗粒、工业七水硫酸锌、国标七水硫酸锌、农用七水硫酸锌、食品级七水硫酸锌、硫酸亚铁、农用一水硫酸锰、工业级一水硫酸锰
- 主营：植物醇、植物提取物、8-二氨基萘、有机合成、4-萘二甲酸、8-氨基喹哪啶、聚二羟基吲哚、2-巯基噻唑啉、6-二羟基吲哚氢、磷钼酸、石胆酸、乙烯基膦酸、劳伦酸、二水合钼酸钠、4-辛氧基二苯碘六氟、麦角硫因、DL-樟脑醌、羟乙基磺酸、钼酸、甲基丙烯酸氧杂环丁烷、三羟甲基氨基甲烷盐酸、4-羟乙基哌嗪乙磺酸、5-甲基 N-乙烯基、腺苷、L-谷氨酸-5-叔丁、聚季铵盐-55
- 主营：油酰氯、阻燃剂、钼酸铵、催化剂、苯胺黑、硫酸锌、甘露醇、硫酸铵、水杨酸、二苯胍、苯甲醇、松油醇、醋酸钠、脱脂剂、碳酸镍、妥尔油、硼酸锌、柔软剂、氰酸钠、铜铬黑、清洗剂、杀虫剂、乳酸钠、氟化镁、浮选剂
- 主营：催化剂、硫酸钐
- 主营：氧化铝、助溶剂、氟化铝、催化剂、合成橡胶、铝干胶、助熔剂、添加剂、胶塑料、水铝石、抑止剂、阻燃剂、调整剂、阻燃填料、镀膜材料、光学透镜、复合材料、拟薄铝石、化工助剂、工艺铝粉、袋装粉末、白色粉末、仿玉石粉、金属熔剂、树脂填充料
- 主营：食品添加剂、甜味剂、增稠剂、用作有机合成的催化剂、防腐剂、抗氧化剂、酸味调节剂、漂白剂、稳定剂、食用色素、营养强化剂、乳化剂、抗结剂、酶制剂、维生素类等
- 主营：阻燃剂、核蛋白、胶黏剂、催化剂、水泥浆、硫酸锆、硫酸锂、软焊剂、硫酸锰、指示剂、聚合物、凝聚剂、脱硫粉、四氢萘、磷酸铵、磷酸铁、灭火剂、碳酸镍、肉桂醛、防冻剂、异丁酮、显色剂、成像剂、新癸酸、椰油胺、叔丁醇
- 主营：捕收剂、浮选剂、硫化矿、硫铁矿的抑制剂、萃取剂、液体松香、稀土镍钴、苯氧肟酸、苄基胂酸、水杨羟肟酸、氧化石蜡皂、丁基钠黄药、磷酸二异辛酯、金属氧化矿物、乙二胺磷酸盐、冶金行业螯合剂、医药中间体
- 主营：阻燃剂、重金属、成星锑业、催化剂、玻璃澄清剂、角锥六面体
- 主营：脱氧剂、分子筛、干燥剂、催化剂、贵金属催化剂、钯催化剂、钛硅催化剂、异构化催化剂、加氢催化剂、吸附剂、钯触媒、voc吸附、活化粉、沸石吸附、zsm-5分子筛、脱硫脱氨分子筛、酸性气体干燥、beta分子筛、溶剂干燥分子筛、sapo-34、ssz-13、NaY
- 主营：脱硫催化剂、888脱硫催化剂、PDS脱硫催化剂、沼气脱硫催化剂、焦化脱硫催化剂、脱硫脱氰催化剂、络合铁脱硫催化剂、脱硫剂