Overview
Waste acid liquid is a byproduct of industrial processes such as metal pickling, chemical synthesis, and petroleum refining. Composed primarily of spent sulfuric, hydrochloric, or nitric acids, it often contains dissolved metals, organic contaminants, or other impurities. Its handling is regulated under hazardous waste management protocols globally. Industries generate millions of tons annually, driving demand for safe disposal and recycling solutions. Environmental policies increasingly mandate acid recovery, creating B2B opportunities for specialized treatment providers.
Physical and Chemical Properties
The properties vary significantly based on the source industry and acid type. Sulfuric acid waste typically has a density of 1.2–1.5 g/cm³ and appears viscous, while hydrochloric acid waste is less dense (1.1–1.3 g/cm³) and more volatile. pH levels range from <0 to 2. Contaminants like iron (up to 10% in steel pickling waste), copper, or organic solvents alter reactivity. Exothermic neutralization reactions require careful control. Freezing points depend on acid concentration; some mixtures crystallize at subzero temperatures.
Main Applications
Primary uses include regeneration into fresh acid via membrane filtration or distillation—common in titanium dioxide production. Neutralized waste serves as raw material for gypsum (construction) or ferric sulfate (water treatment). Emerging applications include electrochemical metal recovery, where waste acids dissolve anodes to extract copper, nickel, or zinc. Some industries reuse partially spent acids in less demanding processes after impurity removal, reducing procurement costs.
Safety and Storage
Store in corrosion-resistant containers (HDPE, fiberglass-reinforced plastic) with secondary containment. Ventilation must prevent vapor accumulation—HCl fumes are particularly hazardous. Compatibility checks are essential when mixing waste streams to avoid chlorine gas formation. Transport requires UN-approved packaging (e.g., UN2796 for sulfuric waste) and hazardous material certification. Spill kits should include neutralizing agents (soda ash, lime) and absorbents. EU CLP regulation classifies most waste acids as Skin Corr. 1A and Acute Tox. 3.
B2B Procurement Guide
Buyers should specify acid type, concentration range (e.g., 10–20% H2SO4), and contaminant profile. Key suppliers include waste management firms (Veolia, Clean Harbors) and acid regenerators. Pricing models often combine treatment fees and recovered material value. Due diligence should verify the supplier’s environmental permits (e.g., EPA ID number) and track record. Contracts must address liability for improper disposal. Spot purchases may cost $50–300/ton, while long-term agreements offer volume discounts.
Related Manufacturers
- 主营：东特罐车、槽罐车、半挂车、腐蚀性液体罐车、化工液体运输车、罐式车、钢衬塑罐车、罐式半挂车、罐式集装箱、iso罐箱、酸罐、ISOTANK、危化品运输车、化工储罐、T50液化气罐箱、8类运输车、压力容器、钢衬塑储罐、液罐车、压容储罐
- 主营：反应釜、缠绕罐、酸洗罐、液体搅拌罐、复配罐、净化喷淋塔、盐酸储存罐、电解液储罐、立卧式储罐、酸碱中和罐、水处理储罐、水溶液储存罐、石英石提纯罐、锥底带脚搅拌桶
- 主营：防爆危废间、防火危废间、危废品暂存库、化工品暂存间、危废暂存间、危废贮存间
- 主营：阳离子交换树脂
- 主营：石墨换热器、碳化硅换热器、石墨冷凝器、石墨降膜吸收器、石墨列管换热器、石墨硫酸稀释器、石墨蒸发器、石墨急冷塔、石墨精馏塔釜、板式石墨换热器
- 主营：钢衬四氟储罐、钢衬四氟储槽、内衬PTFE化工储罐、碳钢衬F4废酸收集罐、紧衬F4防腐贮罐、不锈钢衬氟搅拌桨、紧衬特氟龙贮槽、钢衬聚四氟乙烯管道、紧衬F4化工管道、板衬氟塑料防腐搅拌器、内衬四氟设备、内衬四氟化工塔
- 主营：锅炉烟气消白器、水蒸气白雾消除设备、脱硫脱硝除尘设备
- 主营：盐酸罐、硫酸罐、盐酸储罐、废酸罐、衬塑方槽、不锈钢罐、衬ptfe、内衬四氟、衬塑储罐、防腐储罐、四氟管道、Pe储罐、衬四氟、不锈钢储罐、四氟储罐、钢衬四氟储罐、四氟衬里、碳钢衬四氟、四氟防腐储罐、不锈钢衬四氟、钢衬塑储罐、钢衬pe储罐、衬氟储罐、化工储罐、四氟内衬储罐、四氟储存罐
- 主营：浓密机、搅拌机、发酵皮、废酸池搅拌器、搅拌装置
- 主营：内衬贮罐、防腐储槽、衬里储罐、pe内衬设备、钢衬f4储罐、pe内衬容器、塑内衬储槽、聚乙烯容器、内衬塑储罐、塑内衬设备、碳钢衬po贮罐、碳钢衬po储罐、衬铁氟龙储罐、板衬四氟容器、板衬四氟储槽、钢衬四氟贮罐、四氟乙烯储槽、四氟衬里贮罐、钢衬四氟储罐、内衬四氟贮罐、紧衬四氟容器、板衬氟塑料设备、聚乙烯内衬容器、钢衬氟塑料储罐、钢滚塑储罐
- 主营：齿轮泵、焦油泵、输油泵、化工废酸泵、树脂泵、罗茨泵、导热油、内啮合、乳化剂、增压泵、重油泵、热油泵、kcb齿轮、双圆弧、渣油泵、圆弧泵、外润滑、转子泵、燃烧器、螺杆泵、润滑油、燃油泵、沥青机、离心泵、保温泵、罗茨油
- 主营：钢衬塑罐箱、钢衬塑罐箱车、供液车、8类化工液体罐箱、爆破器材运输车、腐蚀性危险品车、危险品运输车
- 主营：脱硫脱硝、冷却塔、催化剂、石灰窑、回转窑、烟囱脱白、废气治、烟气消、凉水塔、链条炉、烟囱除白、移动床、消白机、烟气脱、烘干机、scr脱硝、锯木粉、白烟治理、白雾设备、蒸汽锅炉、烟气处理、燃气锅炉、除白设备、烟气除白、锅炉烟气
- 主营：搅拌器、侧入式搅拌器、立式搅拌器、脱硫搅拌器、焊接机架、铸造机架、机械密封、填料密封、不锈钢搅拌器、化工搅拌器、溶解罐搅拌器、反应釜搅拌器、搅拌器厂家、顶入式搅拌器、沥青搅拌器、油罐搅拌器
- 主营：脱硫塔、搅拌机、搅拌器、搅拌桨、立式搅拌、衬塑搅拌、防腐搅拌、搅拌叶片、搅拌装置、搅拌设备、喷涂四氟、合金搅拌、衬胶搅拌、脱硫搅拌浆
- 主营：pph储罐、塑料水箱、塑料水塔、石英砂酸洗罐、加药桶、pp喷淋塔、pph反应釜、森林消防水箱、pp废气塔、pp除雾塔
- 主营：钢衬塑、液碱储罐、pe桶、废酸储罐、硫酸储罐、碳钢储罐、盐酸储罐、塑料储罐、防腐搅拌罐、钢衬塑反应罐、不锈钢储罐、pe储罐、次氯酸钠储罐