Overview
Platinum metal catalysts are heterogeneous or homogeneous systems where platinum acts as the active site for accelerating chemical reactions. They are indispensable in industries requiring high selectivity, such as fine chemical synthesis and emission control. Supported platinum catalysts (e.g., Pt/Al₂O₃) are common, offering large surface areas for reactivity. The global demand for platinum catalysts is driven by their unmatched performance in hydrogenation and oxidation processes. Their ability to operate under harsh conditions without significant deactivation makes them preferred over cheaper alternatives like palladium or nickel catalysts.
Physical and Chemical Properties
Platinum catalysts exhibit exceptional thermal stability, maintaining activity up to 500°C. Their electron configuration enables efficient adsorption and activation of reactants like hydrogen or oxygen. Key metrics include dispersion (percentage of exposed Pt atoms) and metal loading (typically 0.5–5% wt). Chemically, platinum resists corrosion and forms stable complexes, though sulfur compounds and carbon monoxide can poison active sites. Modern formulations often incorporate promoters (e.g., rhenium) to enhance selectivity or lifespan.
Main Applications
In petroleum refining, platinum catalysts reform naphtha into high-octane gasoline. The chemical industry uses them for nitric acid production and silicone curing. Fuel cells rely on platinum to catalyze oxygen reduction reactions (ORR), though research aims to reduce Pt content. Environmental applications include catalytic converters, where Pt oxidizes CO and unburned hydrocarbons. Recent advances focus on single-atom catalysts to maximize efficiency and minimize costs.
Safety and Storage
Platinum catalysts are generally safe when handled properly, but fine powders pose inhalation risks. Use PPE (gloves, masks) and store in airtight containers away from acids or chlorides, which may corrode the metal. Spent catalysts often retain residual reactants and require specialized disposal. For large-scale storage, nitrogen purging prevents oxidation. Reactivation of deactivated catalysts is possible via thermal treatment or chemical washing, though this depends on the poisoning mechanism.
B2B Procurement Guide
Buyers should specify platinum loading (e.g., 1%, 5%), carrier material (carbon, silica), and particle size (nanoscale for fuel cells). Batch consistency is critical—request certificates of analysis (CoA) with surface area and pore volume data. Consider long-term supply contracts due to platinum's price volatility. Verify suppliers' recycling capabilities for sustainability. For custom formulations, pilot testing is recommended to confirm performance metrics like turnover frequency (TOF).
Related Manufacturers
- 主营：[]
- 主营：聚苯胺、脯氨酸甲酯盐酸盐、苄基三甲基氯化铵
- 主营：沸石转轮、燃气催化燃烧设备、环保设备配件、贵金属铂催化剂、等离子设备、催化燃烧炉、rco催化燃烧、废气吸附装置、催化燃烧设备、voc有机废气处理、布袋除尘器、单机除尘器、RTO催化燃烧、催化燃烧一体机、锅炉除尘器、活性炭吸附箱、高温除尘器、电捕焦油器、等离子净化器、除臭设备、废气处理设备、脉冲布袋除尘器、气旋塔、除尘器配件、废气过滤箱、催化燃烧
- 主营：叔碳酸、十八醛、溶菌酶、田中贵金属铂碳催化剂、海藻糖、癸二醇、氨基丙基、氢路噻嗪、邻苯二甲、乙基碳二、羟基癸酸、正十七烷、谷胱甘肽、烷二甲醇、松果体素、vc磷酸酯镁、2-甲基丁醛、朱栾倍半萜、丁烷四乙酸、表面活性剂、癸烷撑二醇、缩水甘油邻、10-羟基羊蜡酸、氢氯噻嗪杂质、盐酸邻菲罗啉、壳聚糖季铵盐
- 主营：DMF、DMAC、二丙酮醇、二氯化铂、四甲基胍、马来酸酐、丙二醇、乙二醇、甲酸、甲醇、十二醇、柠檬酸、己二醇、甘油、四氢呋喃、碳酸丙烯酯、吐温、无水氯化钙、乙酸乙酯、氢氧化钠、二乙醇胺、司盘、过硫酸钠、氧化钙、氯化钾
- 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：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：电耙子、煤矿井下用隔爆装置、泥浆泵、贵金属铂碳催化剂、密闭门、全液压钻机、高倍数泡沫灭火装置、洒水降尘装置、阻化泵、阻燃调节风窗、检力器、流量计、氧气呼吸器、乳化液泵、钻机配件、矿用电缆、破拆工具、矿用电池、旧枕木、风筒、氧气充填泵、风机、避难硐室、无压风门、氢氧化钙检验仪器、多参数检测仪
- 主营：福美钠、漂白粉、次氯酸钠、氯铂酸品质保证、强氯精、漂粉精、DOP、DBP、蛋白胨
- 主营：锚固剂、硫酸铝、硫酸铜、氯铂酸现货供应商、切削液、氧化铜、溴化钠、大苏打、导热油、腐植酸、净洗剂、活性炭、水杨酸、硫酸锰、漂白粉、玻璃粉、茶皂素、丁酸钠、磷酸钙、甲酸钠、硬脂酸、消泡剂、酵母硒、磷酸铁、铵明矾、硫酸钡
- 主营：洗靴机、气风泵、洗靴设备、钯铂贵金属催化剂、矿用风泵控制器、自动排水控制器、避难硐室、井下自动隔爆装置、乳化液泵、氢氧化钙(二氧化碳吸附剂)、一氧化碳吸附剂(霍加拉特)、气幕喷淋装置、干燥剂、轨道道口板、旧枕木、全液压坑到钻机、相变材料
- 主营：甘氨酸、滑石粉、三甘醇、氯铂酸制备铂炭催化剂、生桐油、水杨酸、葡聚糖、石英砂、薄荷脑、苯甲醇、平平加、丁酸钠、磷酸氢、扩散剂、漂白精、硬脂酸、消泡剂、蛋白胨、硫化锌、磷酸铁、黄糊精、硫酸钾、磷酸铝、磷铁粉、雷米邦、氧化铅
- 主营：架桥剂、YW100 锂萃取剂、端羧基液体丁腈橡胶、铂碳催化剂、10-羟基癸酸、苯乙烯磷酸、肉豆蔻酸镁、硬脂酸钴、全氟三丁胺、乙烯基磷酸二乙酯、磷酸锰铁锂、β-磷酸三钙、十一烯酸、钨酸铝、1-乙炔基环已醇、间二异丙苯、锂硅合金、溴甲酚绿、生物活性玻璃、溴代海因树脂颗粒、红铝、龙涎酮、原丁酸三甲酯
- 主营：煤矿氧气呼吸器、全液压坑道钻机、直读式粉尘测定仪、贵金属铂碳催化剂、矿用乳化液泵配件、矿用钻机配件、煤矿消防救护、氧气测定器、灾区电话、氢氧化钙、二氧化碳吸收剂、煤矿绞车、煤矿注浆泵、矿用孔板流量计、轨道道口板、自动苏生器、空气呼吸器、氧气充填泵、消防破拆工具、道口板、消防救护器材、煤矿井下用自动隔爆装置、泄露通讯装置、抱索器
- 主营：杜仲素、对位酯、丙烯酸酯、氯铂酸钾、二氧化硫脲、乙基麦芽酚、饲料添加剂、油酸基硬脂酸、二苯基硅二醇
- 主营：氯亚铂酸钾、高铁酸钾