Hydrochloric acid (HCl) is an indispensable chemical in many industries such as water treatment, metallurgy, electroplating, pharmaceutical and cosmetic production. With the characteristics of being a colorless or pale yellow gas, volatile and highly soluble in water, HCl is widely used thanks to its ability to adjust pH, neutralize solutions, regenerate ion exchange resins, and effectively remove steel rust. Prepared by sulfate and synthetic methods, HCl acid meets the needs of large-scale production, ensuring high quality. In this article, we will explore the preparation process, chemical properties, and important applications of hydrochloric acid in industrial fields.
Summary table
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RECOGNIZE
Hydrochloric acid is a gas, colorless or pale yellow, corrosive odor, soluble in water to form a strong acid solution HCl heavier than air. In concentrated form HCl can form acid mist.
APPLICATIONS OF HCL ACID
Applications in pH control and neutralization
Adjust the basicity of the solution.
OH− + HCl → H2O + Cl−
- + pH adjustment in drinking water treatment, food and pharmaceutical production
- + Neutralize wastewater and treat swimming pool water
Regeneration by ion exchange
High quality hydrochloric acid is used to regenerate ion exchange resins. Cation exchange is widely used to remove ions such as Na+ and Ca2+ from aqueous solutions, producing demineralized water. The acid is used to wash cations from resins.
Na+ is replaced by H+
Ca2+ is replaced by 2 H+
Ion exchange and demineralized water are used in all chemical industries, drinking water production, and some food industries.
Steel rust removal
One of the important applications of Hydrochloric Acid is to remove rust from steel, which is iron oxide, before the steel is put to other uses such as rolling, electroplating and other techniques. Hydrochloric Acid used in technology has a common concentration of 18%, used as a rust remover for carbon steels.
Fe2O3 + Fe + 6 HCl → 3 FeCl2 + 3 H2O
Production of organic compounds
Another important use of hydrochloric acid is in the production of organic compounds such as vinyl chloride and dichloroethane for PVC. This process uses acids produced by the industry rather than from the open market. Other organic compounds produced from hydrochloric acid include bisphenol A for polycarbonate, activated carbon, and ascorbic acid, as well as in some pharmaceutical products.
- 2 CH2=CH2 + 4 HCl + O2 → 2 ClCH2CH2Cl + 2 H2O
- wood + HCl + heat → activated carbon
Production of inorganic compounds
- Many products can be made from Hydrochloric acid by acid-base reactions to produce inorganic compounds. These include water treatment chemicals such as iron(III) chloride and polyaluminium chloride (PAC).
- Fe2O3 + 6 HCl → 2 FeCl3 + 3 H2O (iron (III) chloride from magnetite)
- Both iron(III) chloride and PAC are used as coagulants and flocculants to settle constituents in wastewater treatment, drinking water production, and paper manufacturing.
- Other inorganic compounds produced using hydrochloric acid include calcium chloride, nickel(II) chloride for electroplating, and zinc chloride for the plating industry and battery production.
- CaCO3 + 2 HCl → CaCl2 + CO2 + H2O (calcium chloride from limestone)
INSTRUCTIONS FOR PREPARING HCL
- + Preparation of HCL by sulfate method (in laboratory)
- Solid NaCl + concentrated H2SO4 → NaHSO4 + HCl (< 2500C)
- Solid 2NaCl + concentrated H2SO4 → Na2SO4 + 2HCl (> 4000C)
- + Preparation of HCL by synthetic method (in industry):
- H2 + Cl2 → 2HCl (heating)
If you are interested industrial HCl production, please refer to more information about the detailed process.
PROVIDING QUALITY HCL ACID DELIVERED TO YOUR DOOR
Loc Thien Chemical Company supply HCl acid, distribute HCl acid, sell industrial chemicals for wastewater treatment, sell industrial chemicals in the Central region, distribute industrial chemicals in the Central region, distribute basic chemicals, textile chemicals, wastewater treatment chemicals and especially supply Western HCl with reasonable prices and home delivery.
You need to buy industrial HCl chemicals Please contact us to be informed of the fastest price of HCL chemicals, H2O2 chemicals, NAOH chemicals, and industrial chemicals of all kinds.
CONTACT US
- Head Office : 452/6B Provincial Road 10, Binh Tri Dong Ward, Binh Tan District, Ho Chi Minh City
- Phone: 028 6269 5669 – 028 6269 5662
- Hotline: (+84) 979 891 929 VND
- Email: locthien@locthien.vn
- Website: locthien.vn - hoachatcoban.net
- Warehouse office branch:
- Representative office: 140/53 Vuon Lai, An Phu Dong Ward, District 12, HCMC
- Warehouse 1: Group 6, Phuoc Hung Hamlet, My Xuan Commune, Tan Thanh District, Ba Ria - Vung Tau Province
- Warehouse 2: Phuoc Thai, Phuoc Binh Commune, Long Thanh District, Dong Nai Province
- Warehouse 3: Tan Dong Hiep B Industrial Park, Di An, Binh Duong
FEATURED PRODUCTS
Loc Thien provides a variety of industrial chemicals with different concentrations, optimally meeting industrial production and processing needs:
- NaOH: Caustic soda flakes 99%, Sodium hydroxide 20%, 32%, 45%, 50%.
- H₂O₂ (Hydrogen Peroxide): 27.5%, 35%, 50%.
- Javen (NaOCl): 10%, 12%.
- PAC (Poly Aluminum Chloride): 10%.
- HCl (Hydrochloric Acid): 32%, 35%.
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