Advanced Sodium Dichloroisocyanurate (SDIC) formulations engineered for maximum sanitization efficiency in industrial and municipal applications.
High-purity granular Dichlor optimized for cooling tower biofilm eradication and algae control.
Rapid-dissolving tablets designed for precise dosing in municipal drinking water systems.
Fine powder formulation ideal for Reverse Osmosis (RO) pre-treatment and membrane sanitization.
Customized chemical blends providing long-lasting residual chlorine for wastewater management.
In the rapidly evolving sector of global water management, the demand for highly efficient, stable, and cost-effective biocides has never been greater. Dichlor Sanitizer, scientifically known as Sodium Dichloroisocyanurate (SDIC), has emerged as a cornerstone chemical in modern Water Treatment Systems. Unlike traditional gas chlorine or unstable liquid sodium hypochlorite (bleach), Dichlor offers a revolutionary approach to water sanitization. It is a stable, solid source of free available chlorine that dissolves instantly in water, releasing hypochlorous acid (HOCl) while simultaneously introducing cyanuric acid, which acts as a UV stabilizer. This unique chemical synergy prevents the rapid degradation of chlorine under sunlight, making it indispensable for outdoor and large-scale industrial applications.
The commercial landscape for water treatment chemicals is undergoing a paradigm shift. Industrial facilities, municipalities, and agricultural operations are transitioning away from hazardous chlorine gas cylinders due to stringent safety regulations imposed by organizations like the EPA and OSHA. Consequently, the market for solid organic chlorines, specifically Dichlor Sanitizer, is experiencing an unprecedented Compound Annual Growth Rate (CAGR). Procurement managers and environmental engineers favor Dichlor because it drastically reduces freight costs—shipping a concentrated solid powder or tablet is infinitely more economical and safer than transporting heavy drums of liquid bleach, which consists mostly of water and loses potency over time.
Furthermore, the industrial status of Dichlor Sanitizer is solidified by its versatility. It maintains a near-neutral pH when dissolved, meaning it does not drastically alter the water's chemical balance. This reduces the need for secondary pH-adjusting chemicals, thereby lowering the overall operational expenditure (OPEX) for water treatment facilities. From massive desalination plants in the Middle East to advanced wastewater reclamation facilities in North America, Dichlor is recognized as the gold standard for reliable pathogen control and oxidation.
Founded in 2015, Hebei Liuhe Chemicals Co., Ltd. has established itself as a premier manufacturer of high-quality water treatment chemicals, including premium Dichlor Sanitizers. Strategically located close to National Highway 339, only 65 km from the provincial capital and 10 km from the Ningjin exit of the Qingdao–Yinchuan Expressway, we benefit from highly convenient transportation logistics and an excellent geographical location that allows us to serve the global market efficiently.
With rich production management experience and mature global sales channels, Hebei Liuhe has evolved into a large-scale chemical enterprise. We operate advanced automatic production lines and precision testing laboratories, realizing automated and standardized production. Product quality is continuously optimized to ensure high stability and reliability, earning us the prestigious titles of New High-Tech Enterprise and Specialized and Innovative Enterprise.
The efficacy of Dichlor Sanitizer extends far beyond basic water disinfection. Its precise chemical formulation allows it to be deployed in highly complex and demanding Water Treatment Systems across various industrial sectors. Below is a comprehensive analysis of its critical application scenarios.
In power generation plants, petrochemical refineries, and large-scale HVAC systems, cooling towers are highly susceptible to biological fouling. Warm water environments promote the rapid growth of algae, slime-forming bacteria, and dangerous pathogens like Legionella pneumophila. Biofilms act as insulators, severely degrading heat transfer efficiency and leading to massive energy losses. Dichlor Sanitizer is engineered to penetrate and dismantle these tough biofilms. By maintaining a steady residual of free chlorine, Dichlor prevents microbial corrosion (MIC) on metal surfaces, thereby extending the lifespan of expensive heat exchange equipment and ensuring optimal thermal efficiency.
Providing safe, potable water to urban populations requires a sanitizer that is both highly effective against waterborne diseases (such as cholera, typhoid, and dysentery) and capable of providing long-lasting protection in the distribution network. Dichlor tablets and granules are increasingly utilized by municipal water boards, especially in remote or developing regions where liquid chlorine infrastructure is impractical. The built-in cyanuric acid ensures that the residual chlorine is not immediately depleted by sunlight in open reservoirs, ensuring that the water remains sterile from the treatment plant all the way to the consumer's tap.
Reverse Osmosis membranes are highly sensitive to biological fouling, which can cause irreversible damage and severe flux decline. Before seawater or brackish water enters the delicate RO membranes, it must be thoroughly sanitized. Dichlor Sanitizer is utilized in the pre-treatment phase to shock-treat the feed water, eradicating bacteria and organic matter. Because Dichlor dissolves completely without leaving insoluble residues (unlike Calcium Hypochlorite which causes scaling), it protects the RO membranes from calcium carbonate blockages, optimizing the desalination process.
During natural disasters such as floods, earthquakes, or hurricanes, standard water infrastructure is often compromised, leading to immediate public health crises. Dichlor Sanitizer is the preferred chemical for emergency response organizations globally (including WHO and UNICEF deployments). Its extended shelf life of up to two years and high concentration (typically 56% to 60% available chlorine) mean that a small quantity of Dichlor can purify thousands of liters of contaminated floodwater rapidly, providing life-saving drinking water in crisis zones.
To support the global demand for advanced water treatment systems, our manufacturing facility boasts world-class annual production capacities, ensuring uninterrupted supply chains for our international partners.
As the industrial world marches toward Industry 4.0, the management of Water Treatment Systems is undergoing a technological revolution. The future of water sanitization is not just about the chemical itself, but how it is deployed, monitored, and optimized using Artificial Intelligence (AI) and the Internet of Things (IoT). The integration of Dichlor Sanitizer into these smart systems represents the bleeding edge of environmental engineering.
Historically, chemical dosing in water treatment was a manual, time-consuming process prone to human error—often resulting in either under-dosing (leading to bacterial blooms) or over-dosing (causing chemical waste and equipment corrosion). Today, modern facilities are implementing AI-driven smart dosing pumps. These systems utilize advanced IoT sensors submerged in the water to continuously monitor the Oxidation-Reduction Potential (ORP), pH levels, flow rates, and turbidity in real-time.
The AI algorithms analyze this massive stream of data to predict the exact biological load of the incoming water. Based on predictive modeling, the system automatically adjusts the feed rate of Dichlor Sanitizer solutions with milligram precision. This ensures that the optimal level of free available chlorine is maintained at all times, drastically reducing chemical consumption, lowering operational costs, and minimizing the formation of harmful disinfection byproducts (DBPs) such as Trihalomethanes (THMs).
Another major trend is the creation of "Digital Twins" for water treatment plants. A digital twin is a virtual replica of the physical water system. By feeding real-world data regarding Dichlor usage, water flow, and biofilm resistance into the AI model, engineers can simulate various contamination scenarios. The AI can predict when a cooling tower is likely to experience a severe algae bloom based on weather forecasts and historical data, prompting a preemptive shock treatment of Dichlor Sanitizer before the fouling even occurs. This shift from reactive maintenance to predictive, AI-assisted management is setting a new standard for industrial efficiency and sustainability.
Our products are widely exported to Europe, America, Asia, and many other regions. With high-quality products, reliable supply capability, and professional service, we have established long-term cooperative relationships with customers worldwide.

Mission: At Hebei Liuhe, our mission is to provide reliable, efficient, and sustainable chemical solutions for global water treatment, environmental protection, and industrial applications. We are committed to becoming a trusted international partner by delivering consistent product quality, competitive value, and professional technical support.
Vision: Our vision is to contribute to a cleaner, safer, and healthier world through advanced chemistry and responsible manufacturing.
We actively promote green production and energy-saving technologies. Wastewater, exhaust gas, and solid waste are strictly managed in compliance with national environmental regulations. Meanwhile, we actively practice environmental protection, workplace safety, and responsible operation through our certified management systems, including ISO 9001:2015, SGS, and Carbon Footprint. We strive to build a sustainable and responsible chemical enterprise.
Explore our extensive range of Dichlor Sanitizers and related chemical solutions designed for diverse industrial scenarios.
Fast-acting sanitizer ensuring crystal clear and safe recreational water environments.
Prevents emitter clogging and controls pathogens in drip irrigation systems.
Reduces BOD/COD levels and eliminates severe odors in effluent treatment plants.
High-purity sanitizer for Clean-In-Place (CIP) systems in the beverage industry.
Safe and effective water disinfection to prevent disease outbreaks in fish farming.
Broad-spectrum Dichlor solution for hospital surface and equipment sterilization.
Long shelf-life Dichlor tablets for rapid water purification in disaster zones.
Industrial Dichlor formulations to prevent biological slime in paper manufacturing.