Overview
Concentrated decolorizing agents are specialized chemicals designed to remove or reduce color compounds in industrial effluents and process liquids. They function through adsorption, oxidation, or coagulation mechanisms, targeting dyes, tannins, and organic pigments. These agents are critical in industries facing strict environmental discharge regulations or requiring color-free products. Modern formulations often combine inorganic salts with organic polymers to enhance efficiency. Their development has evolved alongside environmental policies, with newer variants prioritizing biodegradability and low sludge production.
Physical and Chemical Properties
Most commercial decolorizers exhibit high solubility in water, with pH ranges optimized for specific applications (typically 6-9). Powdered forms have larger surface areas for adsorption, while liquid variants offer easier dosing integration. Active components may include polyaluminum chloride (PAC), activated carbon derivatives, or proprietary organic composites. Key performance indicators include color removal rate (often >90% for concentrated types) and reaction time (usually 15-30 minutes). Temperature stability varies, with some products maintaining efficacy up to 60°C. Viscosity measurements are relevant for liquid types, affecting pump selection in automated systems.
Main Applications
In wastewater treatment, these agents address dyehouse effluents from textile factories, particularly reactive dye removal. The paper industry uses them to bleach recycled pulp, while food processing plants apply decolorizers to clarify syrups and extracts. Emerging applications include landfill leachate treatment and photographic waste processing. Dosage varies significantly by contaminant load—textile wastewater may require 0.5-5% agent by volume, compared to 0.1-1% for simpler systems. Combined processes (e.g., with activated sludge) can reduce chemical consumption by 30-40%. Industry-specific formulations exist, such as low-iron variants for fiber production.
Safety and Storage
While generally non-flammable, concentrated forms may release irritant vapors when heated. Storage tanks for liquid types should have HDPE liners to prevent corrosion. Powdered agents require moisture-proof packaging with desiccants to prevent caking. Shelf life typically ranges 12-24 months if stored below 30°C. Spill management protocols should include neutralization materials (e.g., soda ash for acidic formulations) and containment measures. Personnel handling bulk quantities require chemical-resistant aprons and ventilation in enclosed spaces. Disposal of expired products often requires licensed hazardous waste contractors.
B2B Procurement Guide
Industrial buyers should prioritize suppliers offering technical support for dosage optimization trials. Batch consistency certifications (e.g., ISO 9001) are crucial, as formulation variations impact treatment performance. Bulk purchases (20+ tons) often secure 10-15% discounts but require verification of warehouse storage capacity. Key procurement metrics include: cost per kg of color removed (benchmark: $0.08-$0.15), sludge generation ratio (target <3% by volume), and compatibility with existing flocculation systems. Sample testing against actual wastewater is strongly recommended—some agents perform better with specific dye chemistries (e.g., azo vs. anthraquinone dyes).
Related Manufacturers
- 主营：[]
- 主营：消泡剂、活性炭、聚丙烯酰胺、脱色剂、阻垢剂、除垢剂、杀菌灭藻剂、醋酸钠-乙酸钠、工业葡萄糖、纤维球、复合碳源、重金属捕捉剂、除磷剂、除臭剂、除氟剂、氨氮去除剂
- 主营：除臭剂、消泡剂、阻垢剂、脱色剂、氨氮去除剂、重油污清洗剂、重金属捕捉剂、聚丙烯酰胺、反渗透阻垢剂、杀菌灭藻剂
- 主营：苯乙烯、过滤水、阳离子、脱色剂、超纯水、指示剂、子交换、软化水、电池板、阳树脂、阴离子、过滤器、高纯水、提示剂、再生剂、游离胺、抗生素、阴树脂、含铬废水、吸附树脂、海水过滤、交换树脂、光学仪器、钠型树脂、离子树脂、球形颗粒
- 主营：生物菌种、cod专用菌、硝化细菌、脱色剂、除磷剂、絮凝剂、石灰粉、活性炭、果壳炭、柱状炭、cod去除剂、河道黑、酰胺msds、净水滤芯、氢氧化钠、片碱纯碱、复合碳源、专用纯碱、硫酸亚铁、椰壳颗粒、煤质颗粒、碘值滤芯、印染电镀、活性污泥、生化系统、酰胺电泳
- 主营：脱色絮凝剂、聚二甲基二、铁盐絮凝剂、复合脱色剂、高效脱色剂、高分子絮凝剂、消泡剂、聚丙烯酰胺、聚合氯化铝、氯化羟铝、漆雾絮凝剂、生物净水剂、重金属捕捉剂、微生物菌种、除磷剂、氨氮去除剂、聚醚消泡剂、除臭剂、复合碳源、聚胺、生化促进剂、水处理药剂、除氟剂、破乳剂、絮凝剂
- 主营：缓蚀阻垢剂、杀菌灭藻剂、清洗剂、脱色剂、除垢剂、防垢剂、反渗透阻垢剂、反渗透杀菌剂、反渗透清洗剂、金属油污清洗剂、焦油破乳剂、消泡剂、除磷剂、臭味剂
- 主营：聚丙烯酰胺、聚合硫酸铁、聚合氯化铝、脱色剂、硫酸亚铁、硫酸铝、复合碳源、微生物菌种
- 主营：聚丙烯酰胺、聚合氯化铝、工业葡萄糖、脱色剂、聚合硫酸铁、乙酸钠
- 主营：船用镀铜碰钉、将军帽、粘钉、污水脱色剂、除垢剂、L形保温钉、自锁压板、碳钢保温钩钉、锅炉除焦剂、清洗剂、臭味剂、接口皮子、电热熔套、弯头外护套、石棉烟箱带
- 主营：杀菌剂、乳化剂、钝化剂、脱色剂、钝化膏、防腐剂、除菌剂、除藻剂、除垢剂、灭藻剂、清洗剂、阻垢剂、抑垢剂、缓蚀剂、粘泥剥离剂、去除剂、消泡剂、脱硫脱硝剂、抑尘剂、复合碳源、助凝剂、除磷剂、一水柠檬酸、脱销剂、还原剂、絮凝剂