Overview
Filtering anthracite is a premium-grade coal with exceptional purity and structural integrity, making it ideal for filtration applications. Unlike bituminous coal, it contains minimal volatile matter and impurities, ensuring efficient contaminant removal without releasing harmful byproducts. Its use dates back to early 20th-century water treatment plants, where its durability and high surface area proved superior to sand or gravel. Today, it is a staple in industrial and municipal filtration systems, particularly in processes requiring resistance to abrasion and chemical degradation. Its 'smokeless' characteristic (due to low volatile content) also makes it environmentally preferable for air filtration.
Physical and Chemical Properties
Filtering anthracite is distinguished by its high fixed carbon content (typically 90-95%) and negligible sulfur, reducing risks of acid formation in water systems. Its dense, microporous structure provides a large surface area for adsorption, while its hardness (Mohs scale 2.5-3) ensures longevity in high-flow systems. Key metrics include ash content (<10%), which affects clogging rates, and particle size uniformity (commonly 0.8-1.2 mm for granular filters). Unlike activated carbon, it does not require chemical activation, relying instead on its innate porosity. Its thermal stability allows for periodic steam cleaning without structural compromise.
Main Applications
The primary use of filtering anthracite is in multi-media water filtration systems, where it layers with sand and garnet to remove suspended solids, turbidity, and even heavy metals. It is also deployed in wastewater treatment, notably in reverse osmosis pre-treatment and industrial effluent management. In air purification, its low dust generation and resistance to oxidation make it suitable for HVAC filters and gas scrubbing. Niche applications include metallurgical coke production and as a reductant in chemical processes, leveraging its high carbon purity.
Safety and Storage
Though non-toxic, anthracite dust can pose respiratory hazards during handling; NIOSH-approved masks are recommended. Storage requires dry conditions to prevent moisture absorption, which may reduce filtration efficiency. Avoid stacking near oxidizers due to potential combustion risks (auto-ignition point: ~450°C). For large-scale B2B procurement, bulk shipments should be inspected for foreign debris. Packaging typically includes moisture-resistant woven sacks or sealed containers to maintain quality during transit.
B2B Procurement Guide
When sourcing filtering anthracite, prioritize suppliers who provide third-party lab reports verifying ash content, density, and particle size distribution. Contracts should specify penalties for deviations from agreed specifications, especially for municipal water projects where consistency is critical. Pricing fluctuates based on global coal markets and logistics costs. For reference, 20-ton container shipments from major producers (e.g., Vietnam or South Africa) commonly range $200-$400/ton. Consider long-term agreements to hedge against price volatility. Sample testing is advised before large purchases.
Related Manufacturers
- 主营：白刚玉、棕刚玉、黑刚玉、无烟煤滤料、碳化硅、活性氧化铝、活性炭、椰壳活性炭、果壳活性炭、颗粒活性炭、粉状活性炭
- 主营：纤维球、纤维束、椰壳活性炭、无烟煤滤料、无烟煤、果壳活性炭、粉状活性炭、柱状活性炭、脱色活性炭、煤质活性炭、聚丙烯酰胺、聚合氯化铝、硫酸亚铁、石英砂滤料、锰砂滤料、鹅卵石、海绵铁、麦饭石、活性氧化铝、石英砂、陶粒、滤料、活性炭、絮凝剂、木质粉状活性炭
- 主营：量热仪 测硫仪、活性炭着火点测定仪、煤质自动工业分析仪、标准无烟煤、微机灰熔点测定仪、红外碳氢氮元素分析仪、焦炭检测仪器、煤质分析仪器、粘结指数测定仪、石油检测仪器、石灰活性度测定仪、荧光硫钙铁分析仪、焦炭转鼓机及筛分设备、全自动氟氯测定仪、智能一体马弗炉、活性炭强度测定仪、活性炭四氯化碳吸附仪、活性炭四氯化碳脱附仪、氧弹热量计、库仑定硫仪、生物质工业分析仪、氧弹燃烧点火装置、固体生物质燃料检测仪、浮沉脱水机、哈氏可磨指数测定仪、固废热灼减率测定仪
- 主营：硅炭管、量热仪、标准筛振、微机自动量热仪、测硫仪、磨性指数、破碎制样、温程控仪、选矿设备、振筛机标准、搅拌仪粘结、活性测定仪、制样破碎机、分析仪智能、箱式高温炉、破碎机湿煤、热量计自动、工业分析仪、测定仪煤炭、测定仪智能、指数测定仪、水分测定仪、测定仪煤杯、智能定硫仪、智能马弗炉
- 主营：铁碳填料、还原铁粉、配重铁粉、无烟煤滤料、化工铁粉、混凝土滤板、磁粉、柔性防水套管、刚性防水套管、ABS滤板模板、石英砂滤料、蜂窝斜管填料、盘式曝气器、活性炭、微电解填料、锰砂滤料、蜂窝活性炭、多孔悬浮球填料、套筒补偿器、旋转补偿器、可提升曝气器、滤头、聚丙烯酰胺PAM、聚合氯化铝PAC、水处理磁粉
- 主营：蜂窝活性炭、活性炭、椰壳活性炭、果壳炭、粉末活性炭、黄金炭、粉状活性炭、果壳活性炭、柱状活性炭、废气吸附活性炭、废水处理活性炭、防水蜂窝活性炭、耐水蜂窝活性炭、高碘值活性炭、工业活性炭、特种活性炭、活性炭粉末、颗粒活性炭、活性炭颗粒
- 主营：石英砂、火山岩、活性氧化铝球、无烟煤滤料、椰壳活性炭、柱状活性炭、蜂窝活性炭、粉状活性炭、纤维球、聚合氯化铝、聚丙烯酰胺、工业葡萄糖、复合碳源、铁碳填料、水处理滤料、水处理药剂
- 主营：软水器、加药装置、紫外线杀菌器、滤芯过滤器、不锈钢碳钢石英砂过滤器、活性炭过滤器、袋式过滤器、毛发过滤器、石英砂过滤器、多介质过滤器、锰砂过滤器、除铁锰过滤器、纤维球过滤器、纤维束过滤器、河水过滤设备、地下水过滤设备、机械过滤器、纯水设备、离子交换器、全自动软化水设备、脱气塔、除碳器、湖水净化设备、循环水处理设备、冷却水净化装置
- 主营：中华麦饭石、石英砂、石英粉、水洗无烟煤、石墨、煤粉、营养土园艺绿化土、高岭土、膨润土、硅藻土、活性白土、远红外粉、电气石、火山石、沸石、粉煤灰、矿粉、炭黑、彩砂、活性炭、水处理磁粉、重晶石粉、碳酸钙、重钙轻钙、鹅卵石
- 主营：五氧化二钒、苄基胂酸、水杨酸、无烟煤湖北、水玻璃、氨基磺酸、多聚甲醛
- 主营：水处理药剂、活性炭吸附系列、污水处理曝气器系列、水处理无烟煤、净水滤料系列、多种净水材料、生物 植物除臭剂
- 主营：絮凝剂、净化污水、工业废水、黑色无烟煤、聚丙烯酰胺、聚合氯化铝、阳离子聚丙烯
- 主营：优氯净、甘氨酸、切削液、无烟煤武汉现货、二萘酚、桦焦油、甘露醇、水杨酸、硫酸锰、平平加、肌氨酸、磷酸氢、磷酸镁、牛磺酸、磷酸铁、铵明矾、蛋白胨、碳酸镁、磷酸铝、戊二醛、氯化锰、纤维素、黄糊精、硫化钠、硫化钡、木质素
- 主营：椰壳活性炭、果壳活性炭、煤质柱状活性炭、无烟煤滤料、煤质颗粒活性炭、蜂窝活性炭、氧化铁脱硫剂、石英砂滤料、生物陶粒滤料、天然海砂滤料、纤维球滤料、锰砂滤料、免焊接斜板填料、斜板填料、蜂窝斜管填料、侧向流斜板填料、絮凝网格填料、固定床平板填料、混凝土滤板、ABS整体浇筑滤板、S型滤砖、T型滤砖、活性炭翻板滤池U型滤管、可调节式长柄滤头
- 主营：磁粉、碳酸钙、沸石粉、无烟煤、介质粉、凹凸棒土、硅藻土、红土黄土、膨润土、粉煤灰、石英砂、膨润土猫砂、矿渣粉、硅灰硅微粉、活性白土、萤石粉、高岭土、珍珠岩粉、陶土、铁砂、贝壳粉、远红外粉、煤粉、花生饼、木粉、钛白粉
- 主营：炭化炉设备、碳化炉、炭化机、热解炉电池裂解炉、脱漆炉、脱漆设备、制炭机、无烟炭化炉、连续式炭化炉、木炭炭化炉、新型炭化机、污泥炭化设备、干馏碳化炉、卧式炭化机、小型碳化设备、高温炭化炉、木材炭化机、滚筒炭化设备、秸秆炭化炉、椰壳炭化炉、垃圾热解炉、烘干机、粮食烘干机、污泥炭化机