Caustic Soda (Sodium Hydroxide) – Flakes, Pearls, Liquid | Industrial & Food Grade

Specifications

Applications of Caustic Soda

1. Chemical & Industrial Processing

• pH Adjustment & Neutralization – Used in acid neutralization, metal refining, and petrochemical processing.

• Soap & Detergent Manufacturing – Essential for saponification in soap production.

• Pulp & Paper Industry – Used in wood pulping and bleaching processes.

• Textile Processing – Aids in fabric mercerization and dyeing.

2. Water Treatment

• Wastewater Treatment – Removes heavy metals and acidic contaminants.

• pH Control in Water Plants – Ensures safe and stable water pH levels.

• Descaling & Cleaning – Used in boiler and pipe cleaning.

3. Food Processing (Food-Grade NaOH)

• Food Preservative & pH Regulator – Approved for food production.

• Baking & Pretzel Processing – Used to give pretzels their characteristic texture and taste.

• Olive Processing – Helps remove bitterness in olives.

• Cocoa & Chocolate Processing – Enhances flavor development.

4. Oil & Gas Industry

• Drilling Mud Additive – Adjusts pH in drilling fluids.

• Petroleum Refining – Used in desulfurization and alkaline scrubbing.

5. Metallurgy & Surface Treatment

• Aluminum Production (Bayer Process) – Extracts alumina from bauxite.

• Electroplating & Metal Cleaning – Removes grease and oxide layers.

Benefits of Jiangsu Khonor’s Caustic Soda

✅ High Purity & Consistency – Ensures stable chemical reactions in industrial applications.
✅ Versatile & Multi-Use – Suitable for food, water treatment, metallurgy, and chemical processes.
✅ High Solubility & Reactivity – Easily dissolves in water, ethanol, and methanol.
✅ Safe & Certified – Complies with food safety and industrial regulations.
✅ Custom Packaging & Bulk Supply – Available in 25kg bags, IBC tanks, and bulk shipments.

Why Choose Jiangsu Khonor Chemicals Co., Limited?

• Reliable Supplier – Exporting to global markets with stable quality.

• Flexible Packaging – From small bags to bulk tanker shipments.

• Technical Support – Providing guidance on applications and formulations.

Conclusion

Caustic soda is a critical chemical for industrial, food, and water treatment applications. Its strong alkalinity, high solubility, and broad application range make it an essential component in manufacturing, processing, and environmental management. Jiangsu Khonor Chemicals Co., Limited offers high-quality NaOH in flakes, pearls, and liquid forms for global industries.

Caustic soda, or sodium hydroxide, is a highly versatile and widely used chemical compound. In its flake form, caustic soda plays a crucial role in various industrial processes. This article explores the properties, production methods, and applications of caustic soda flakes.

Properties:

1. Chemical Composition:Caustic soda is an inorganic compound with the chemical formula NaOH. In its flake form, it is characterized by a solid, white crystalline structure.

2. Hygroscopic Nature:Caustic soda flakes are hygroscopic, meaning they readily absorb moisture from the air. This property can affect handling and storage requirements.

Production:

1. Diaphragm Cell Process:One common method for producing caustic soda involves the diaphragm cell process. This process uses a diaphragm to separate the chlorine and hydrogen gas produced during electrolysis, leaving behind sodium hydroxide.

2. Membrane Cell Process:The membrane cell process is another electrolytic method for caustic soda production. It employs ion-exchange membranes to separate the various products of electrolysis.

3. Mercury Cell Process (Less Common):The mercury cell process, while less common due to environmental concerns, is an older method that involves the use of mercury as a cathode material.

Applications:

1. Chemical Manufacturing:Caustic soda flakes are a fundamental ingredient in the production of various chemicals, including soaps, detergents, and organic chemicals.

2. Alumina Refining:In the production of alumina from bauxite ore, caustic soda is used to dissolve and extract alumina from the ore.

3. Pulp and Paper Industry:Caustic soda is employed in the pulping process to break down lignin and separate fibers during the production of paper and cardboard.

4. Textile Industry:In the textile industry, caustic soda is used in processes such as mercerization, which imparts strength and sheen to fabrics.

5. Water Treatment:Caustic soda is used to adjust pH levels in water treatment processes, aiding in the removal of impurities.