Overview
Graphite catalysts leverage the unique properties of graphite, a crystalline form of carbon, to accelerate chemical reactions without being consumed in the process. Their layered structure provides a large surface area for reactions, while their thermal stability makes them ideal for high-temperature applications. Unlike metal catalysts, graphite variants are cost-effective and resistant to poisoning by sulfur or other impurities. They are commonly modified with metals (e.g., Pt, Ni) or functional groups to enhance selectivity in niche industrial processes.
Physical and Chemical Properties
Graphite catalysts exhibit exceptional thermal conductivity (up to 2000 W/m·K) and can withstand temperatures exceeding 3000°C in inert atmospheres. Their electrical conductivity rivals metals, making them suitable for electrochemical applications like fuel cells. The material’s inertness to acids, alkalis, and organic solvents ensures longevity in corrosive environments. However, oxidation can occur above 500°C in air, necessitating controlled atmospheres for certain reactions. Surface area typically ranges from 5–50 m²/g but can be increased via activation processes.
Main Applications
In petroleum refining, graphite catalysts facilitate hydrocracking and desulfurization. Their electrochemical properties are exploited in fuel cells and batteries, where they serve as supports for platinum-group metals. The chemical industry uses them for synthesizing ammonia, methanol, and hydrogen peroxide. Emerging applications include photocatalytic degradation of pollutants and graphene production, where graphite’s layered structure is advantageous.
Safety and Storage
While graphite itself is non-toxic, fine powders pose inhalation risks (PEL: 15 mg/m³ for particulates). Use NIOSH-approved respirators and ensure proper ventilation during handling. Static discharge may ignite dust clouds; grounding equipment is critical. Store in moisture-proof containers away from oxidizers. For long-term stability, argon or nitrogen blankets are recommended to prevent surface oxidation. Dispose of waste according to local regulations for non-hazardous carbon materials.
B2B Procurement Guide
Industrial buyers should prioritize suppliers offering certified purity (≥99.9% for electrochemical uses) and consistent particle size distribution (e.g., 10–100 µm). Request technical datasheets detailing surface area, ash content, and metal impurities. Bulk purchases (100+ kg) often reduce costs by 20–30%. Consider modular packaging (e.g., 25 kg bags with moisture barriers) for ease of handling. For custom formulations (e.g., metal-doped graphite), collaborate with manufacturers to optimize pore structure and activation methods.
Related Manufacturers
- 主营：气氛回转炉、连续式回转炉、连续式回转窑、催化剂载体活化炉、间歇式回转炉、间歇式回转窑、活性炭蒸气活化炉、真空气氛炉、网带炉、氢气网带炉、气氛网带炉、气氛推板炉、推板窑、辊道炉、碳化炉、活化炉、管式炉、网带烧银炉、升降炉、台车炉、台车气氛炉、井式炉、烧结炉、地坑炉、隧道窑、还原炉
- 主营：排设备、干排筛、水洗砂、鳞片石墨磨粉机、捞砂机、分离机、振动筛、脱水机、输送机、筛石头、泥石土、回收机、洗砂机、石头槽、洗沙机、脱水斗、气流筛、板链斗、水洗沙、石英粉、石英砂、提升机、链板机、摇摆筛、输送量、滚轴筛
- 主营：氧化铝、镍铁粉、钨铁粉、白铅粉、氧化硼、锰铁粉、硅铁粉、二氧化锆、氧化钛粉、球形磁粉、雾化铜粉、钒铁粉末、氧化铋粉、钛铁合金、三氧化钼、氧化镁粉、三氧化二、氧化钴粉、耐火材料、二硫化钨、氧化铬绿、纳米氧化钛、纳米氧化锌、球形磁铁粉、四氧化三铁
- 主营：铂类催化剂、钯类催化剂、钌类催化剂、铑类催化剂、铱类催化剂、贵金属催化剂、双氧水催化剂、电解水制氢催化剂、甲烷化催化剂、加氢催化剂
- 主营：胰蛋白胨、骨蛋白胨、牛肉浸膏、膨胀石墨厂家、福美钠、漂粉精、漂白精、次氯酸钙、单乙醇胺、三乙醇胺、三甘醇、防辐射钡粉、茶皂素、大苏打、小苏打、甘氨酸、九水硫化钠
- 主营：优氯净、甘氨酸、磷酸硼、膨胀石墨供应商、水杨酸、硫酸锰、苯甲醇、平平加、正辛烷、一乙胺、磷酸氢、白僵菌、蛋白胨、碳酸镁、磷酸铝、异丁酸、叔丁醇、硫化钡、木质素、醋酸钡、硫化钙、氯化锌、黄原胶、磺酸钙、氟化镁、异丙醇
- 主营：氧化铝、纳米二氧化钛、光触媒、光催化剂光触媒原料、纳米氧化锆、氧化硅、纳米氧化铈、抛光粉、抗菌剂、纳米ato粉、纳米银粉、纳米氧化钕、纳米氧化镁、纳米氧化铁、纳米氧化铜、纳米氧化锌、纳米氧化锰、纳米氧化镍、陶瓷粘合剂、隔热涂料、纳米除醛剂、装修除味剂、光催化微珠、羟基发生器、光催化涂料、光催化陶瓷滤网
- 主营：纳米二氧化钛、纳米氧化铝、纳米二氧化硅、光催化剂氧化钛、纳米氧化锌、纳米氧化锆、纳米氧化铈、纳米ATO、纳米氧化镁、纳米氧化铁、银离子抗菌剂、光触媒、纳米氧化钨、纳米氧化铜、纳米氧化镧、纳米氧化钇、纳米碳化硅、纳米硼化锆、纳米氮化硼、纳米氧化镍、纳米氧化锰、纳米负离子粉、纳米氟化镁
- 主营：石墨粉、鳞片石墨、可膨胀石墨、胶体石墨、导电石墨、石墨乳、微粉石墨、石墨纸、超细石墨、润滑脂用石墨、粉末冶金用石墨、塑料用石墨、碱性电池用石墨、锻造石墨乳、实验室用石墨、散热用石墨、石墨脱模剂、涂料用石墨、防火密封胶条用石墨、导电橡胶用石墨、铅笔芯用石墨、桥梁防腐用石墨、阻火圈用石墨
- 主营：葡辛胺、添加剂、抗氧剂、石墨、生化试剂、抗氧化剂、富马酸钠、合成中间体、表面活性剂、乙基苄基氯、化工中间体、合成材料助剂、溴化四苯基膦、亚硫酸乙烯酯、邻苯二甲酸铵、紫外线吸收剂、环己基苯基甲酮、羧甲基纤维素钠
- 主营：镍粉、铜粉、合金粉末、导电石墨烯、镍基合金粉末
- 主营：对甲苯磺酸、四苯硼钠、甲基甲酰苯胺、石墨粉价格、氟硼酸钾、氯化亚锡、糠醇树脂、氟硼酸钠、氟化铝、丙二醇、异辛酸钴
- 主营：石墨粉、鳞片石墨、可膨胀石墨、天然石墨、石墨纸、石墨
- 主营：保水剂、酸度调节剂、表面活性剂、石墨粉、食品添加剂
- 主营：涂料助剂、工业清洗剂、表面活性剂、鳞片石墨、合成材料助剂、合成香料、溶剂、香精和香料中间体、合成材料中间体、炼厂助剂、选矿药剂