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Help CenterLiquid Chlorine Production for Fine-Chemical Chlorination Synthesis
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1 Product Overview
Liquid chlorine is one of the core terminal products of the chlor-alkali process, processed by purifying, compressing and liquefying crude chlorine gas generated from ion membrane brine electrolysis. It is a yellow-green transparent liquid with high effective chlorine content and stable oxidation activity, serving as the fundamental raw material for producing all chlorine-based chemical derivatives. After multi-stage drying, impurity removal and low-temperature liquefaction treatment, the finished liquid chlorine eliminates moisture, salt mist and particulate impurities, reaching premium industrial grade standards. With high concentration and stable performance, it solves the problems of difficult storage and low utilization rate of gaseous chlorine, and is widely used in chemical synthesis, industrial water treatment, pulp bleaching and environmental oxidation treatment.
2 Technical Principle
The liquid chlorine production adopts chlor-alkali electrolysis gas purification + low-temperature compression liquefaction technology. Saturated brine is electrolyzed in an ion membrane electrolyzer to generate crude chlorine gas at the anode. The crude chlorine gas contains trace moisture and brine mist, which is sent to a multi-stage purification and drying system for deep dehumidification and impurity filtration to obtain dry pure chlorine gas. The purified chlorine gas is pressurized by a professional compressor and transported to a low-temperature liquefaction unit. Under constant low temperature and sealed pressure environment, gaseous chlorine undergoes physical phase transition and is fully condensed into high-purity liquid chlorine. After static settling and fine filtration, qualified industrial liquid chlorine is obtained and stored in special pressure vessels.
3 Main Features
Ultra-High Purity & Low Impurity: Multi-stage purification and drying process removes almost all moisture and impurities, ensuring high purity and no adverse impact on downstream production.
High Concentration & Strong Activity: Low-temperature liquefaction greatly improves chlorine concentration, with stable molecular activity and efficient oxidation and sterilization performance.
Easy Storage & Transportation: Liquid state reduces volume significantly, supporting long-term sealed storage and long-distance bulk transportation for industrial applications.
Stable Chemical Properties: Strict process control ensures stable physical and chemical properties, no volatile deterioration during storage and use.
High Industrial Matching: Suitable for various chlorine synthesis and large-scale disinfection scenarios with wide industrial adaptability.
4 Core Advantages
Purity Advantage: Purified from advanced ion membrane chlor-alkali process, product purity is far higher than traditional diaphragm process liquid chlorine, improving downstream product quality and yield.
Cost-Saving Advantage: High concentration reduces dosage in industrial use, lowers raw material consumption and overall production operating costs.
Stable Supply Advantage: Matched with large-scale chlor-alkali production lines, realizing continuous, stable and mass supply for long-term industrial orders.
Application Flexibility Advantage: Can be directly used for disinfection or processed into sodium hypochlorite, hydrochloric acid and other derivatives with diverse application modes.
Safe & Compliant Production: Fully closed production and zero-leakage process design, complying with international industrial chemical safety standards.
5 Core Components
Ion Membrane Chlorine Generation Electrolyzer: Generates high-quality crude chlorine gas, providing stable raw gas for liquid chlorine production.
Multi-Stage Chlorine Purification & Drying System: Removes moisture and impurities to ensure pure chlorine gas quality before liquefaction.
Special Chlorine Compressor Unit: Stably pressurizes pure chlorine gas to meet liquefaction process pressure requirements.
Low-Temperature Liquefaction System: Core equipment for gas-liquid phase transition, realizing efficient condensation of gaseous chlorine into liquid chlorine.
Sealed Pressure Storage & Filtration Device: Ensures finished liquid chlorine purification and safe sealed storage.
6 Application Fields
Chlorine derivative chemical synthesis (PVC, sodium hypochlorite, chlorinated paraffin), municipal and industrial water disinfection and algae removal, paper pulp and textile fiber bleaching, industrial wastewater oxidation decolorization, pharmaceutical intermediate synthesis and environmental protection water treatment engineering.
Boasting 25 years of professional industry experience in production and supply, ZLN factory delivers premium,cost-effective chemical products with reliable quality. Equipped with fully automatic production systems and scientific modular production line design, we achieve stable output, high efficiency and low energy consumption while strictly complying with industrial standards. Different from ordinary manufacturers, ZLN provides flexible customized services tailored to diverse customer needs on product specifications, packaging and solutions. With direct factory pricing and optimized production processes, we help clients cut procurement costs and obtain high-quality, stable chemical supplies with comprehensive professional support.
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