Overview
Filter clay, also known as bleaching clay or Fuller's earth, is a natural or chemically activated clay widely used for filtration and purification. Its high porosity and adsorption capacity make it ideal for removing impurities from liquids and gases. The material is derived from bentonite or montmorillonite clay and is processed to enhance its adsorption properties. Filter clay is non-toxic and chemically inert, making it safe for use in food processing and water treatment. Its effectiveness in removing contaminants like heavy metals, organic compounds, and pigments has made it indispensable in industries such as oil refining, pharmaceuticals, and environmental remediation.
Physical and Chemical Properties
Filter clay typically appears as a fine powder or granular material, ranging in color from light yellow to brown. It has a density of approximately 2.4-2.6 g/cm³ and is insoluble in water. The clay's high surface area and porosity contribute to its exceptional adsorption capabilities. Key chemical properties include its inertness and stability under a wide range of temperatures and pH levels. These characteristics ensure that filter clay does not react with the substances it purifies, maintaining the integrity of the filtered product. Its thermal stability allows it to be regenerated and reused in some applications.
Main Applications
Filter clay is extensively used in water treatment plants to remove contaminants such as heavy metals, organic pollutants, and turbidity. In the oil industry, it is employed to decolorize and purify edible oils, lubricants, and fuels. The food and beverage industry relies on filter clay for clarifying juices, wines, and syrups. Environmental applications include the treatment of industrial wastewater and soil remediation. The clay's ability to adsorb harmful substances makes it a cost-effective solution for reducing environmental pollution. Additionally, it is used in cosmetics and pharmaceuticals for its purifying and stabilizing properties.
Safety and Storage
While filter clay is generally non-toxic, prolonged exposure to its dust may cause respiratory irritation. It is advisable to use personal protective equipment (PPE) such as masks and gloves when handling the material. Proper ventilation in storage and workspaces is also recommended. Filter clay should be stored in a dry, cool environment to prevent moisture absorption, which can reduce its effectiveness. Containers should be sealed tightly to avoid contamination. The clay is stable under normal conditions but should be kept away from strong acids or alkalis to prevent chemical reactions.
B2B Procurement Guide
When procuring filter clay, consider factors such as adsorption capacity, particle size, and purity. Higher adsorption capacity is crucial for efficient filtration, while uniform particle size ensures consistent performance. Verify that the supplier provides certifications like ISO or food-grade standards if the clay is intended for sensitive applications. Price ranges vary based on quality and volume, typically between $200 and $500 per ton. Bulk purchases may offer cost savings, but ensure the supplier can meet your delivery and quality requirements. Sampling and testing before large-scale procurement are recommended to confirm the clay's suitability for your specific needs.
Related Manufacturers
- 主营：岩片、染色岩片、蛭石、云母、石英砂、雨花石、染色云母、机制炭、烧烤炭、白云石、石子、五彩石
- 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：粘土球、膨润土球、石英砂、黏土球、井口保护装置、地下水监测井、Pvc井管、岩芯箱、监测井井盖、膨润土、水井回填、监测井标示牌、泥浆泵、泥浆箱、渣土箱、化学泥浆、钢护筒、灌桩导管、泥浆胶管、金马胶管、钢丝测绳、泥沙分离机、泥浆三件套、大口径打桩钢护筒、大口径螺旋钢护筒
- 主营：井盖定制、不锈钢井盖、铸铁井盖、止水钢板、无纺布、筛板、聚酯无纺布、土工布、环保无纺布
- 主营：土陶粒、轻质陶粒、填充陶粒、过滤陶粒、处理过滤、建筑用陶粒、保温陶粒、规格陶粒、页岩陶粒、绿化陶粒、耐火陶粒、工业窑炉、工业级陶粒、车厢厂陶粒、透气透水滤料、建筑回填陶粒、轻质高强滤料、隔音降噪填充、园艺栽培陶粒、基坑支护填充、建筑工程填充、生物滤池陶粒、保温园艺基质、轻质高强陶粒、耐火隔热陶粒
- 主营：工业级生石灰、高岭土、熟石灰、暖宝宝专用蛭石、硅藻土、氢氧化钙、滑石粉、碳酸钙、沸石粉、膨润土、铸石粉、海泡石粉、透明粉、硅酸铝粉、贝壳粉、氧化钙、矿粉、轻钙、海泡石纤维、水镁石、石灰石粉、金玉明砂、彩砂、浴沙、灰钙
- 主营：烧结砖、生态地铺石、陶瓷 pc 砖、陶瓷仿石砖、地铺石、pc 砖、陶瓷透水砖、耐火砖、蒸压粉煤灰砖、透水砖
- 主营：聚丙烯酰胺、棸合氯化铝、聚合硫酸铝、6mm黏土陶粒滤料、硫酸亚铁、工业级葡萄糖、椰壳活性炭、果壳活性炭、无烟煤、纤维球、麦饭石、锰砂、海绵铁、泡沫滤珠、醋酸钠、蜂窝斜管
- 主营：彩砂、石英砂、金刚砂、黏土球、氧化铁、高岭土、蛭石、矿物纤维、地坪料、玻璃砂、钙粉、玻璃微珠、石英粉、雨花石、海泡石纤维、硅藻土、火山石、染色砂、儿童娱乐砂、云母粉、沸石粉、膨润土、轻钙
- 主营：海泡石、矿物纤维、绿沸石、滑石粉、蛭石、金刚砂、膨润土、硅灰、核桃壳粒、石英粉、小石子、云母粉、云母片、增碳剂、珍珠岩、玻璃纤维、木粉、漂珠、石棉绒、绿沸石粉、绿沸石颗粒、木质纤维、膨胀珍珠岩颗粒、云母矿、石英砂
- 主营：石墨、膨胀石墨、导电石墨粉、防静电墨粉、阻燃石墨粉、鳞片石墨粉、超细石墨粉、云母、云母片、茶色云母片、云母粉、电气石、电气石粉、电气石颗粒、天然云母片、透明云母片、导热石墨、绝缘云母片、耐高温云母、云母板、岩片、贝壳片、膨润土、钙基膨润土、纳基膨润土
- 主营：玻璃鳞片、高岭土、玻璃粉、黏土球、膨润土、滑石粉、铝矾土、硅灰、萤石粉、沉淀硫酸钡、重钙、轻钙、硅藻土、珍珠岩、玻璃微珠、重晶石粉、S95矿粉、透明粉、煅烧高岭土、玻璃砂、云母粉、木炭、硅酸铝粉、长石粉、火山石、贝壳粉
- 主营：整体式蜂窝陶瓷蓄热体、板片式蜂窝陶瓷蓄热体、蜂窝沸石、催化剂
- 主营：贝壳粉、粘土球、水洗砂、黏土球、白沙子、玻璃砂、蛭石粉、珍珠岩、夜光石、重钙粉、矿物盐、玻璃粉、粘土粉、烘干河、氧化铁、高岭土、填充料、赤铁粉、325目赤、硅藻土、水洗沙、滑石粉、电气石、鹅卵石、石英砂、水磨石
- 主营：干燥机、桨叶干燥机、盘式干燥机、黏土回转窑干燥机、喷雾干燥机、闪蒸干燥机、带式干燥机、振动流化床干燥机、耙式干燥机、双锥干燥机、回转窑干燥机、滚桶刮板干燥机、沸腾床干燥机、锥形螺带真空干燥机、热风循环烘箱、果蔬双锥烘干机、粉末双锥干燥机、污泥回转窑干燥机、实验室喷雾干燥机、离心喷雾干燥机、空心桨叶干燥机、低温喷雾干燥机、奶粉喷雾干燥机、高分子材料干燥机、砂糖干燥设备、化工回转窑干燥机
- 主营：火山石、电气石、金刚砂、铸造用粘土、暖贴用蛭石、水族鱼缸过滤、麦饭石、火山岩、鹅卵石、石英砂、埋香沙子、宠物垫料、彩色石子、沸石颗粒、五彩石子、粉色沙子、耐火材料、膨润土球、配重铁砂、沙画彩砂、凹凸棒土、白色小石头、海沙圆粒砂、研磨抛光果壳、水泥油漆调色剂
- 主营：氧化铁黑、涂料添加无机颜料、塑料橡胶、废水废油过滤硅藻土、地坪地砖、绿色颜料、饲料化肥、氧化铁绿、水泥彩砖、无机颜料、水产养殖、凹凸棒土、水性油性漆、绿色沸石粉、贝壳粉、白色贝壳粉、重钙轻钙、煅烧贝壳粉、养殖沸石粉、云母氧化铁、氧化铁黑颜料、氧化铁红颜料、防爆粉灭火岩粉、无机氧化铁颜料、滑石粉
- 主营：介质粉、污水处理磁粉、活性白土、打井用的材料、铁粉、重质碳酸钙、轻质碳酸钙、远红外粉、滑石粉、煅烧滑石粉、配重砂、贝壳粉、石英粉、玻璃粉、麦饭石粉、白云石粉、硅藻土、绿沸石、石膏粉、陶土、四氧化三铁、硅灰、矿渣粉、粉煤灰、膨润土、硫化铁
- 主营：金刚砂、碳酸钙、石英砂、黏土颗粒、轻质碳酸钙、火山石、蛭石粉、蛭石、氧化钙粉、高钙粉、火山岩、生石灰、玄武岩砂、雨花石、白砂、岩片、石英粉、彩砂、云母、氧化钙、重钙粉、蛭石板、页岩片、鹅卵石
- 主营：玻璃粉、贝壳彩片、玻璃鳞片、黏土粉、滑石粉、石英粉、硅藻土、沸石粉、透明粉、硅酸铝粉、萤石粉、碳酸钙、硫化铁、云母岩片、云母粉、地坪彩片、石墨粉
- 主营：锆英砂、锆英粉、硅酸锆、铬矿砂、铬矿粉、白刚玉、棕刚玉、白炭黑、膨胀石墨、铝矾土、高岭土、长石粉
- 主营：石油焦、蛭石、云母、海泡石、矿物纤维、漂珠、重晶石、氧化铝、增碳剂、橡胶颗粒、膨润土、石墨颗粒、高岭土、钾长石、滑石粉、轮胎粉、膨胀石墨、重钙、轻钙、防火涂料、硅藻土
- 主营：生石灰氧化钙、熟石灰氢氧化钙、碳酸钙粉、滑石粉、膨润土、云母、云母岩片、珍珠岩、蛭石、玻璃粉、硅藻土、玻璃砂、陶瓷球、陶瓷砂、铝矾土、海泡石、木粉、木质纤维、电气石粉、锗石粉、橡胶颗粒、轮胎颗粒、石英砂、白云石