Overview
Molybdenum catalysts are widely used in industrial chemical processes due to their ability to facilitate key reactions such as hydrodesulfurization (HDS) and selective oxidation. These catalysts often incorporate molybdenum in combination with other metals like cobalt or nickel, supported on materials like alumina or silica. Their versatility and efficiency make them indispensable in petroleum refining, petrochemical production, and environmental applications. Molybdenum catalysts are favored for their stability under high temperatures and resistance to sulfur poisoning, which is critical in processes involving sulfur-containing feedstocks. The development of these catalysts has evolved to meet stricter environmental regulations, particularly in reducing sulfur content in fuels.
Physical and Chemical Properties
Molybdenum catalysts exhibit high thermal stability, with melting points around 795-800°C for molybdenum trioxide (MoO3). They are typically insoluble in water but can dissolve in strong acids or alkalis, depending on the formulation. The density ranges from 4.7 to 5.0 g/cm³ for MoO3-based catalysts, though this varies with the support material used. Key chemical properties include their ability to act as Lewis acids, facilitating electron transfer in redox reactions. The catalytic activity is often enhanced by the presence of promoters like cobalt or nickel, which improve selectivity and reaction rates. The surface area and porosity of the catalyst support also play a significant role in performance.
Main Applications
The primary application of molybdenum catalysts is in hydrodesulfurization (HDS), where they remove sulfur from petroleum products to meet environmental standards. They are also used in oxidation reactions, such as the production of formaldehyde from methanol, and in ammonia synthesis for fertilizer production. In the petrochemical industry, these catalysts are critical for converting heavy crude oils into lighter, more valuable products. Additionally, they are employed in environmental applications, such as reducing nitrogen oxide (NOx) emissions from industrial processes. Their adaptability to various reaction conditions makes them a cornerstone of modern chemical manufacturing.
Safety and Storage
Molybdenum catalysts are generally stable under normal conditions but require careful handling to avoid dust inhalation or contact with skin. Protective equipment, including gloves and respirators, is recommended when handling powdered forms. Storage should be in dry, cool environments away from moisture and strong oxidizers to prevent degradation. While non-flammable, these catalysts can react with strong reducing agents, releasing hazardous gases. Spills should be contained and cleaned up promptly using appropriate methods. Disposal must comply with local environmental regulations, as some formulations may contain trace heavy metals.
B2B Procurement Guide
When procuring molybdenum catalysts, specify the molybdenum content, carrier material (e.g., alumina, silica), and any promoters (e.g., cobalt, nickel). Verify supplier certifications to ensure consistency in quality and performance. Bulk purchases may offer cost advantages, but storage conditions must be maintained to preserve catalytic activity. Request technical data sheets detailing surface area, pore volume, and crush strength, as these impact performance. Consider testing small batches before large-scale procurement. Pricing varies widely based on purity and formulation, with reference ranges typically between $20 and $100 per kilogram. Long-term supplier relationships can ensure reliable access to high-quality catalysts.
Related Manufacturers
- 主营：降解材料、化工试剂、环保材料、催化剂、丙交酯材料、高分子材料、共聚物原料、医用级材料、合成聚乳酸、透明聚乳酸、高分子合成料、可降解丙交酯、环保型乙交酯、纯度合成单体、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、乙交酯合成单体
- 主营：脱硝催化剂、scr催化剂、贵金属催化剂、Vocs催化剂、蜂窝催化剂、除尘布袋、除尘滤袋、分子筛催化燃烧剂
- 主营：絮凝剂、碱性紫、碱性品红、催化剂、碱性大红、水性染料、化工助剂、化肥染料、造纸板材、专用染料、碱性品兰、碱性嫩黄o、化肥着色剂、聚合氯化铝、聚丙烯酰胺、黄佛香染料、碱性玫瑰精、粘性液体橡胶、净水处理药剂、栗子元青色染料
- 主营：氯化镧、锆产品、钴产品、钨钼用氯化铵、稀土盐类
- 主营：氧化铈、氧化镧、硝酸铈铵、催化剂、高纯碳酸铈、硫酸高铈、硫酸铈、大粒径碳酸铈、低氯根碳酸铈、氢氧化铈
- 主营：六水氯化钴、六水氯化镍、碳酸镍、试剂催化剂、碳酸钴、氟化钡、氟化氢钠、氟锆酸钾、氟化锂、无水氯化镍、无水氯化钴、氟化镍、氧化钴、氧化镍、氟化锶、醋酸镍、硫酸镍、硫酸钴、氢氧化钴、醋酸钴、氟化钠、氟钛酸钾、四氧化三钴、氟化氢钾、溴化镍、三氧化二钴
- 主营：链运机、提升机、皮带输送机、催化剂纳化焙烧、钼精粉焙烧回转窑、钼铁冶炼生产线、湿电除尘器、脉冲除尘器、焙烧回转窑、单筒烘干机、焊接滚轮架、管道内对口器、多通道烘干机、管道外对口器、埋刮板输送机、烟气脱硫、螺旋输送机、Z型提升机
- 主营：耐湿型催化剂、催化燃烧设备
- 主营：工业葡萄糖、防冻液、高温脱硝剂、脱硝催化剂、大蒜油、硝酸铵钙、乙二醇、脱硫剂、消毒液、大苏打、尿素、大棚增温块、黄腐酸钾、糖蜜、水玻璃、玉米淀粉、发酵大豆、木质素磺酸钠
- 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
- 主营：工业纯碱、工业碳酸钠、纯碱、催化剂、工业葡萄糖、食品级葡萄糖、副产碱、聚丙烯酰胺、葡萄糖酸钠、复合脱硫剂、三水醋酸钠、污水处理葡萄糖、工业柠檬酸、硬脂酸、聚合氯化铝、无水醋酸钠、工业副产碳酸钠、洗涤碱、工业级纯碱、碳酸钠、苏打、轻质碳酸钠、轻质纯碱、副产纯碱、工业副产碱、工业用碱
- 主营：苯乙烯、二甲苯、正丙醇、催化剂、二乙胺、氯丙烯、巴豆醛、石油醚、防冻剂、壬基酚、乙二醇、戊二醛、异辛醇、清洗剂、丙烯酸、漂白剂、甲缩醛、氯化锌、冰醋酸、异丙醇、溶剂油、异丁醇、工业酒精、金属除锈、防结皮剂
- 主营：脱硫脱硝、冷却塔、石灰窑、催化剂、回转窑、烟囱脱白、废气治、烟气消、凉水塔、链条炉、烟囱除白、移动床、消白机、烟气脱、烘干机、scr脱硝、锯木粉、白烟治理、白雾设备、蒸汽锅炉、烟气处理、燃气锅炉、除白设备、烟气除白、锅炉烟气
- 主营：五氧化二钒、苄基胂酸、水杨酸、催化剂、水玻璃、氨基磺酸、多聚甲醛
- 主营：缓蚀阻垢剂、杀菌灭藻剂、反渗透阻垢剂、催化剂、除垢剂、粘泥剥离剂、消泡剂、氨氮去除剂、絮凝剂、除油剂、臭味剂、COD去除剂、除锈剂、工业清洗剂、预膜剂、反渗透还原剂、反渗透杀菌剂、反渗透清洗剂