Overview
Chelating granules are granular forms of chelating agents, which are chemicals designed to bind metal ions through multiple coordination bonds. These granules are widely used in industries where metal ion control is critical, such as water treatment, agriculture, and manufacturing. Their granular form ensures ease of handling and controlled release, making them suitable for large-scale applications. Chelating granules are typically composed of organic compounds like ethylenediaminetetraacetic acid (EDTA), nitrilotriacetic acid (NTA), or phosphonates. They function by sequestering metal ions, preventing them from participating in unwanted chemical reactions. This property is particularly valuable in preventing scale formation in boilers, corrosion in pipelines, and metal-induced degradation in textiles.
Physical and Chemical Properties
Chelating granules are characterized by their high solubility in water, which ensures rapid dissolution and effective metal ion binding. The granules are usually free-flowing, with a density ranging from 0.6 to 1.2 g/cm³, depending on the formulation. Their appearance varies from white to light yellow, reflecting differences in purity and additives. These granules exhibit excellent stability across a wide pH range, making them versatile for use in acidic, neutral, or alkaline environments. Their chelating capacity is influenced by factors such as temperature, pH, and the presence of competing ions. For instance, EDTA-based granules are highly effective in binding calcium and magnesium ions, while phosphonate-based granules excel in iron and manganese sequestration.
Main Applications
In water treatment, chelating granules are employed to soften hard water by removing calcium and magnesium ions. They also prevent scale formation in boilers and cooling towers, enhancing system efficiency and longevity. In industrial cleaning, these granules are used to dissolve metal deposits from equipment surfaces, reducing downtime and maintenance costs. The agricultural sector utilizes chelating granules to deliver micronutrients like iron, zinc, and copper to plants in a bioavailable form. This application is particularly important in soils with high pH or high levels of competing ions. Additionally, the textile industry uses these granules to prevent metal-catalyzed degradation of dyes and fibers, ensuring consistent product quality.
Safety and Storage
Chelating granules are generally safe to handle but require proper storage and handling to maintain their efficacy. They should be stored in a cool, dry place, away from moisture and direct sunlight, to prevent clumping or degradation. Bulk storage containers should be sealed tightly to avoid contamination. While most chelating granules are non-toxic, prolonged skin contact or inhalation of dust should be avoided. Personal protective equipment (PPE), such as gloves and masks, is recommended during handling. Disposal should comply with local environmental regulations, as some chelating agents can persist in the environment and affect aquatic ecosystems.
B2B Procurement Guide
When procuring chelating granules, buyers should prioritize suppliers with certifications such as ISO 9001 or REACH compliance, ensuring product quality and regulatory adherence. Key specifications to verify include purity, metal-binding capacity, and compatibility with the target application. Price negotiations should consider bulk purchase discounts, as chelating granules are often used in large quantities. Buyers should also evaluate logistical factors, such as packaging options (e.g., 25 kg bags or bulk containers) and supplier reliability. Sampling and testing are recommended to confirm performance before committing to large orders.
Related Manufacturers
- 主营：七水硫酸镁、硫酸镁、氯化钙、含量颗粒状、无水氯化钙、二水氯化钙、元明粉、小苏打、氯化镁、卤片、纯碱、轻质纯碱、重质纯碱、无水硫酸镁、一水硫酸镁
- 主营：离子交换树脂、阳离子交换树脂、阴离子交换树脂、螯合树脂、阳树脂、阴树脂、阴阳离子交换树脂、阴阳树脂、软水树脂、混床树脂、抛光树脂、001x7 树脂、软化水树脂、除盐水树脂、超纯水树脂、食品饮料水处理树脂、净水设备树脂、D113树脂、大孔吸附树脂、732树脂、D113丙烯酸树脂、碱性树脂、超纯水抛光树脂、001×8软水树脂、多功能催化树脂
- 主营：减水剂、分散剂、葡萄糖酸钠、高效螯合剂、聚合氯化铝
- 主营：D751螯合型树脂、阳离子交换树脂
- 主营：木质素磺酸钠、木质素磺酸钙、木质素磺酸钾、螯合剂、木质素磺酸铵、聚羧酸减水剂、巯基丙酸工业、聚羧酸高效减水剂、萘系减水剂、葡萄糖酸钠、无碱速凝剂、HPMC、木质素磺酸镁、消泡剂、丙烯酸
- 主营：乙酸钠、柠檬酸铵、甲酸铵、乙酸铵、草酸铵、草酸亚铁、硫酸亚铁、双乙酸钠、硫酸镁、碳酸钾、氯化钾、碳酸氢钾、甲酸钾、磷酸氢二钠、磷酸氢二钾
- 主营：柠檬酸镁、柠檬酸锌、柠檬酸铜、柠檬酸钙、柠檬酸氢二铵
- 主营：防风固沙剂、赛力旺液体肥、减瑞克生物肥、矿源黄腐酸钾、木醋液、赛力旺木醋液、减瑞克液体肥、固沙剂
- 主营：低聚果糖、低聚木糖、甘露寡糖、菊粉、麦芽糖醇、木糖醇、纽甜、乳糖、乳糖醇、三氯蔗糖、聚葡萄糖、索马甜、瓜尔豆胶、果胶、海藻酸丙二醇酯、海藻酸钠、黄原胶、卡拉胶、可得然胶、大豆多糖、魔芋粉、塔拉胶、琼脂、沙蒿籽胶、明胶
- 主营：甜菊糖、甘氨酸、水苏糖、海藻糖、甘露醇、精氨酸、酪蛋白、烟酰胺、牛磺酸、褪黑素、螺旋藻、维生素B1、维生素B2、维生素B6、一水肌酸、苯丙氨酸、酪蛋白酸钠、海藻酸钠、赤藓糖醇、木糖醇、聚丙烯酸钠、山梨酸钾、大豆肽、苏氨酸、黄原胶
- 主营：烟酰胺、泛酸钙、生物素、黄原胶、瓜尔胶、L-半胱氨酸盐酸盐、海藻酸钠、海藻糖、谷氨酸、卡拉胶、乳清粉、赤藓糖醇、结晶果糖、木糖醇、甜菜碱、螺旋藻、乳清蛋白粉、氯化胆碱、酪蛋白、肌酸、色氨酸、赖氨酸、鱼油粉、刺槐豆胶、阿拉伯胶
- 主营：L-半胱氨酸、L-苯丙氨酸、L-谷氨酸、L-蛋氨酸、维生素A、维生素B1、维生素B12、维生素B2、维生素B5、维生素B6、维生素C、维生素D3、维生素E、D-生物素、阿拉伯胶、刺槐豆胶、瓜尔豆胶、果胶 高酯果胶 低酯、海藻酸钠、黄原胶、结冷胶 低酰基结冷胶、聚丙烯酸钠、卡波姆
- 主营：阿拉伯胶、刺槐豆胶、瓜尔豆胶、果胶、海藻酸丙二醇酯、海藻酸钠、黄原胶、结冷胶、聚丙烯酸钠、卡波姆、抗性糊精、可得然胶、魔芋粉、塔拉胶、琼脂、沙蒿籽胶、羧甲基淀粉钠、明胶、温轮胶、阿斯巴甜、低聚果糖、低聚木糖、结晶果糖、菊粉、纽甜
- 主营：L-半胱氨酸、L-苯丙氨酸、L-谷氨酸、L-蛋氨酸、L-谷氨酰胺、L-瓜氨酸、L-精氨酸、L-赖氨酸、L-酪氨酸、L-亮氨酸、L-色氨酸、L-天门冬氨酸、L-缬氨酸、L-异亮氨酸、L-组氨酸、甘氨酸、γ-氨基丁酸、L-谷氨酸钾、维生素A、维生素B1、维生素B12、维生素B2、维生素B5、维生素B6、维生素D3
- 主营：四氢噻吩、乙硫醇、单氰胺、二甲基二硫醚、3-甲硫基丙醛、四氢吡咯、邻氯苯腈、噻吩、盐酸羟胺、硬脂酸锌、异丙胺、氯乙酸、氟硼酸