12% Sodium Hypochlorite Generator for Port and Terminal Vessel Sanitization
Product Overview
This high concentration sodium hypochlorite generator is built for marine vessels, offshore platforms and coastal oil terminals where water disinfection, biofouling control and pipeline sanitization are critical. The system produces 10%–15% sodium hypochlorite solution on board or on platform using brine as raw material. It can be used for ballast water treatment, seawater pipeline disinfection, cooling system biofouling control and general sanitation. Compared with pre-stored chemical disinfectants, on-site generation reduces weight, storage risk and supply chain dependency in remote marine environments.
Technical Principle
The system applies compact ion membrane electrolysis optimized for rolling motion, high humidity and salt spray conditions. Seawater or prepared brine is filtered and fed into the electrolytic cell. Under DC electrolysis, chlorine gas is generated at the anode and sodium hydroxide at the cathode. The ion membrane ensures efficient separation and improves NaClO concentration. After absorption, the disinfectant is stored in a corrosion-resistant tank and dosed automatically into ballast water lines, cooling water systems or pipeline flushing circuits. The control system monitors water flow, residual chlorine, hydrogen concentration and equipment status.
Main Features
The equipment is designed with anti-corrosion materials suitable for offshore and coastal salt spray environments. It offers high shock and vibration resistance for shipboard installation. The skid-mounted structure saves space and supports modular deployment. Automatic hydrogen dilution and venting reduce explosion risk. The system can operate under variable load conditions according to ballast water flow or pipeline flushing requirements.
Core Advantages
On-board generation reduces the need to transport and store large volumes of hazardous disinfectants. High-concentration output supports long pipeline disinfection and high-volume ballast water treatment. The system can be installed on new vessels or retrofitted into existing offshore facilities. It lowers logistics difficulty in remote sea areas and reduces reliance on shore-based chemical supply. Real-time monitoring also helps operators meet marine environmental and safety regulations.
Core Components
Marine-grade ion membrane electrolyzer, titanium ruthenium-iridium electrodes, brine filtration unit, seawater pretreatment module, gas-liquid absorption tower, hydrogen exhaust and dilution system, corrosion-resistant NaClO storage tank, variable-flow dosing pump, residual chlorine analyzer, marine-type PLC control panel, vibration-resistant skid frame and emergency shutdown interlock.
Application Fields
Oil and gas offshore platforms, cargo ship ballast water treatment, container ship water disinfection, coastal oil terminal pipeline sanitization, seawater cooling system biofouling control, floating production storage and offloading units, port water intake disinfection and marine equipment pipeline flushing.
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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