Hebei Liuhe Chemicals Co., Ltd.SDIC & TCCA MANUFACTURER
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Hebei Liuhe Chemicals Co., Ltd.SDIC & TCCA MANUFACTURER
Inquiry now Explore our core range of high-efficiency disinfection and stabilizing tablets engineered specifically for industrial water systems.
Industrial water purification systems are the lifeblood of manufacturing plants, power generation facilities, and municipal utility networks. Unlike residential applications, industrial processes require disinfection agents that are highly stable, easily dosed, and capable of functioning under intense thermal and chemical stress. Sodium Dichloroisocyanurate (SDIC) Tablets represent a pinnacle of modern industrial water treatment chemistry.
SDIC is a highly efficient, broad-spectrum biocide that releases hypochlorous acid (HOCl) upon dissolution. HOCl is the active disinfecting agent that penetrates microbial cell walls, destroying bacteria, viruses, and algae. The unique molecular structure of SDIC contains a cyanuric acid ring, which acts as a built-in stabilizer. This prevents the rapid degradation of active chlorine by ultraviolet radiation and heat, making it far superior to liquid sodium hypochlorite in outdoor and high-temperature industrial environments.
SDIC tablets provide a highly concentrated (typically 56% to 60% available chlorine), solid-form chemical solution that reduces shipping costs, eliminates the hazards of liquid chlorine handling, and prevents chemical degradation during storage.
Industrial operations face constant threats from microbiological activity in their water loops. SDIC tablets are engineered to tackle these specific issues:
Hebei Liuhe Chemicals Co., Ltd. was founded in 2015. The site is close to National Highway 339, only 65 km from the provincial capital and 10 km from the Ningjin exit of the Qingdao–Yinchuan Expressway, offering convenient transportation and an excellent geographical location.
As a leading manufacturer of water treatment chemicals, we pride ourselves on advanced manufacturing processes, stringent quality control, and a customer-first approach. We operate state-of-the-art facilities designed to meet the growing global demand for high-quality disinfectants and sanitizing agents.
From petrochemical plants to food processing facilities, SDIC tablets play a critical role in maintaining water safety and process integrity.
| Industrial Sector | Specific Water Challenge | SDIC Treatment Mechanism | Operational Benefits |
|---|---|---|---|
| Recirculating Cooling Towers | Rapid biofilm and algae build-up on heat exchanger surfaces. | Continuous slow release of stabilized free chlorine. | Maintains heat transfer efficiency; prevents Legionella outbreaks. |
| Food & Beverage Processing | Pathogen contamination in process and wash water. | Organic-safe chlorination, leaving no toxic residues. | Ensures sanitization of raw materials; prevents cross-contamination. |
| Industrial Wastewater | High chemical and biological oxygen demand (COD/BOD) with pathogens. | Rapid oxidation of organic matter and microbial destruction. | Meets strict environmental discharge regulations. |
| Oil & Gas Hydrotesting | Sulfate-reducing bacteria causing pipeline corrosion. | High-concentration shock dosing during testing phases. | Protects pipeline integrity; prevents early asset degradation. |
| Textile & Pulp Bleaching | Color impurities and bacterial slime in machinery. | Mild oxidative bleaching and slime control. | Improves product quality; reduces machine downtime. |
In power plants, chemical refineries, and steel mills, cooling water loops are exposed to atmospheric contaminants, nutrients, and sunlight. This combination creates an ideal environment for biological fouling. When biofilm forms on heat exchanger plates, it acts as an insulator, reducing the thermal efficiency of the system. SDIC tablets are added directly to the cooling tower basin or via bypass feeders to maintain a consistent free chlorine residual of 0.2 to 0.5 ppm. This concentration is sufficient to kill planktonic bacteria and dissolve the extracellular polymeric substances (EPS) that form the structural matrix of biofilms.
In food processing, water is used for washing raw ingredients, sanitizing equipment, and transporting materials. Any microbiological contamination in this water can lead to widespread foodborne illness outbreaks. Liquid chlorine is highly unstable and can alter the pH of the water, whereas gas chlorination presents severe safety hazards. SDIC tablets provide a stable, neutral-pH chlorination method that is easy to monitor and control. It leaves no chemical taste or residue, making it ideal for clean-in-place (CIP) loops and flume water disinfection.
Before industrial wastewater can be discharged into municipal sewers or natural water bodies, it must undergo sanitization to remove harmful pathogens and reduce organic pollutants. SDIC tablets act as a strong oxidizing agent that breaks down organic compounds, neutralizes odors, and disinfects the water. Because they are highly stable in solid form, they are particularly useful in remote wastewater treatment plants or batch-treatment systems where liquid chemical storage is impractical.
During the hydrotesting of pipelines and the treatment of produced water in oilfields, control of anaerobic bacteria is critical. Sulfate-Reducing Bacteria (SRB) convert sulfates in the water into hydrogen sulfide (H2S), which causes rapid pitting corrosion in steel pipes. SDIC tablets are utilized for shock dosing hydrotest water, ensuring that all bacterial spores are destroyed before the water is sealed inside the infrastructure for testing, thereby protecting multi-million dollar assets from internal corrosion.
With rich production management experience and mature global sales channels, Hebei Liuhe has developed into a large-scale chemical manufacturer. Our annual production capacities include:
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.
Our commitment to technical excellence is reflected in our certifications and state-recognized titles. We constantly invest in R&D to improve the dissolution rates and stability of our SDIC tablets, ensuring they perform optimally under the most challenging industrial conditions.
Analyzing the economic drivers, supply chain dynamics, and regulatory landscape of the industrial water treatment sector.
The global market for industrial water purification chemicals is experiencing rapid growth, driven by two major factors: increasing water scarcity and tightening environmental regulations. Industrial facilities are under pressure to reduce their freshwater footprint by implementing Zero Liquid Discharge (ZLD) systems and recycling process water. As water is recycled multiple times within a facility, the concentration of organic matter and microbial load increases exponentially. This necessitates highly reliable and cost-effective biocides like SDIC tablets to maintain system hygiene.
Globally, environmental agencies (such as the EPA in the United States and ECHA in Europe) are restricting the use of certain heavy metal biocides and volatile organic compounds (VOCs). SDIC tablets are widely accepted due to their biodegradable nature; they break down into simple cyanuric acid and active chlorine, leaving no harmful long-term environmental footprint when managed correctly. This regulatory safety profile makes SDIC the preferred choice for multinational corporations aiming to meet corporate ESG (Environmental, Social, and Governance) targets.
For industrial buyers, supply chain stability is critical. Fluctuations in the price of raw materials, such as urea and chlorine, can impact operating costs. By partnering with large-scale manufacturers like Hebei Liuhe Chemicals, which boasts a 60,000-ton annual SDIC capacity, industrial operations can secure a stable supply and hedge against market volatility. Solid SDIC tablets also offer a massive logisitical advantage over liquid chemicals, as they do not require specialized chemical tankers or heavy containment systems, significantly lowering the overall carbon footprint of transport.
Modern industrial plants are moving toward automated dosing systems where IoT sensors monitor free chlorine levels in real-time, automatically dropping SDIC tablets into the system when levels fall below the threshold, maximizing chemical efficiency.
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.
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.
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 also 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.
Browse our full range of chemical solutions, including SDIC, TCCA, and stabilizers, optimized for industrial and municipal water applications.
