Providing specialized formulations, custom polymers, and advanced coagulation reagents engineered for maximum molecular stability and rapid separation kinetics.
Smedic Technology Co., Ltd. was established in 2011 as a comprehensive solution provider specializing in environmental protection agents, integrating R&D, production, sales, and engineering-related technical services. We are dedicated to providing customers with customized chemical products, technical solutions, and services. Smedic produces environmental protection agents covering multiple sectors such as municipal sewage, industrial wastewater, and tap water treatment, as well as mineral processing agents, and oilfield chemicals. We offer more than 80 different environmental protection products, with an annual production capacity exceeding 1 million tons.
Our commitment to rigorous scientific research and industrial scale allows us to formulate premium-grade Polyferric Sulfate (PFS) and Liquid Ferric Sulfate tailored to withstand volatile regional environmental standards. By prioritizing E-E-A-T values, we operate with high-level environmental certifications and structural QA protocols to assure zero-defect chemical supply chains for global enterprises.
Empowering large-scale chemical distribution logistics across major economic corridors with multi-region backup production facilities.
Our corporate headquarters is located in Beijing, and we have multiple wholly-owned production bases in Hebei, Guizhou, Shanxi, and other regions. Furthermore, we have established more than ten OEM partner factories and regional warehousing and logistics bases in Shandong, Shanxi, Anhui, Guangxi, and Sichuan provinces. Our business and service network covers over 20 provinces across China, providing responsive, close-range regional distribution.
To date, our high-performance flocculation and sludge-dewatering projects involve more than 600 urban sewage treatment plants and over 1,000 end customers in industrial wastewater treatment, mineral processing, and oilfield chemicals. The total sewage treatment capacity involved in our global projects exceeds 20 million tons per day. This deep footprint establishes Smedic as an industry-leading provider in the high-end environmental chemical market, specifically for municipal and industrial wastewater operations requiring strict heavy metal and phosphorus limits.
We have obtained prestigious credentials such as National High-tech Enterprise, National Specialized, Refined, Unique and Innovative "Little Giant" Enterprise, and Hebei Province Green Factory recognition. These titles showcase our rigorous scientific compliance and high capability to support major municipal tenders and large-scale industrial projects.
We maintain an advanced research ecosystem consisting of one academy, three research institutes, and five production bases. Our in-house research facilities are certified as the Hebei Provincial Advanced Water Treatment Chemicals Technology Innovation Center and the Cangzhou Water Treatment Engineering Technology Research Center. To drive groundbreaking discoveries in coagulation and flocculation chemistry, we run a dedicated expert workstation in collaboration with the Tsinghua University Association of Senior Scientists and Technicians, alongside joint R&D laboratories with Shandong University and the Beijing University of Technology.
Through these academic alliances, Smedic serves as a key industrialization platform for translating advanced chemical theories into high-volume product formulations that address recalcitrant organic pollutants, micro-phosphorus structures, and complex heavy metals.
We have been granted over sixty Chinese patents, including more than forty invention patents and over twenty utility model patents. We have led the drafting of more than ten national and industry standards, including those for composite carbon sources, composite coagulants, sodium acetate, and nitrifying and denitrifying bacterial agents.
Our independently developed "Inorganic-Organic Covalent Bond Flocculant and Its Advanced Water Purification Technology" has won the 22nd China Patent Award, the First Prize for Technological Invention from the China Petrochemical Industry Association, and recognition as a Belt and Road SME Recommended Project. These breakthroughs ensure that our Ferric Sulfate and associated polymeric coagulants exhibit superior chemical properties, such as high basicity, rapid floc formation, and lower residual heavy metal contents than standard chemical options.
A deep exploration into molecular mechanics, charge neutralization kinetics, and coagulation thermodynamics for high-turbidity systems.
Polyferric Sulfate $[Fe_2(OH)_n(SO_4)_{3-n/2}]_m$ contains complex multinuclear hydroxyl complexes. These polymeric species carry high positive charges that readily neutralize negative colloidal particles suspended in water, forcing rapid destabilization and micro-floc formation at optimized pH levels (5.0 to 8.5).
Precipitating orthophosphates is critical to limiting eutrophication. Fe3+ ions form strong coordinate covalent bonds with phosphate ions ($PO_4^{3-}$), yielding insoluble $FePO_4$ precipitates. Smedic PFS reduces total phosphorus (TP) levels down to <0.05 mg/L, exceeding EPA and EU standards.
Unlike aluminum-based coagulants that yield light, fluffy flocs, Smedic's polymerized Ferric Sulfate produces large, dense, iron-rich flocs. These flocs settle up to 1.5 to 2 times faster, leading to smaller clarifier footprints, drier sludge cakes, and reduced downstream dewatering polymer consumption.
The global demand for high-grade Ferric Sulfate and PFS is rising rapidly due to stricter environmental laws and the shift towards ESG-compliant industrial processes. Key sectors, including mining operations in South America, pulp and paper facilities in Northern Europe, and municipal wastewater grids in North America and Asia-Pacific, require chemical supplies that guarantee high performance and strict trace-metal safety profiles (particularly low lead, arsenic, and cadmium).
Industrial procurement teams struggle with issues like shipping unstable liquid solutions over long distances, product crystallization in cold climates, and high shipping costs. Solid Polyferric Sulfate (PFS), containing 19-21% total iron (Fe), provides a stable, highly concentrated alternative. By exporting top-grade solid PFS, Smedic helps buyers minimize shipping costs while providing a product that dissolves easily to create highly reactive $Fe^{3+}$ ionic structures at the dosing point.
Additionally, modern automated dosing systems demand chemical inputs with consistent grain sizes and low insoluble matter (<0.5%). Particulate contamination can clog precision dosing pumps and monitoring equipment. Our advanced production processes feature multi-stage filtration and spray drying, delivering free-flowing granules that dissolve rapidly without leaving residues.
How Smedic integrates Ferric Sulfate chemistry with process engineering to solve complex wastewater challenges globally.
Mineral processing generates vast volumes of mineral slurry contaminated with high heavy metal concentrations, suspended clays, and flotation agents. Smedic Polyferric Sulfate, when paired with our premium Polyacrylamides (APAM/NPAM), bridges and sweeps fine particles to accelerate tailings sedimentation. This dual-reagent approach helps mines recover up to 90% of process water while producing dry, stable solids suitable for safe stack storage.
Oilfield and refinery effluents contain stubborn oil-water emulsions, hydrocarbons, and dissolved sulfides. The high-valent iron centers in Smedic PFS break these oil-in-water emulsions by neutralizing charges on suspended oil droplets. This forces them to coalesce and rise to the surface for skimming, while concurrently converting highly toxic soluble sulfides into stable, insoluble iron sulfide precipitates, reducing odor and corrosion risk.
For municipal operators seeking to satisfy regulatory phosphorus targets, Smedic offers an optimal solution. Dosing our high-basicity PFS at the primary clarifier stage removes up to 95% of suspended solids (TSS) and organic carbon (BOD5). This relieves the organic load on downstream biological aeration basins, saving substantial energy. Furthermore, the residual iron in the sludge aids anaerobic digestion by binding volatile organic sulfur compounds (reducing $H_2S$ concentrations in biogas).
The brown or amber color in pulp mill effluent stems from high-molecular-weight lignins and tannins that resist biological decomposition. Smedic PFS complexes with these organic chromophores through coordinate bonds. This transforms soluble colored compounds into insoluble particulate flocs, resulting in color removal rates exceeding 85% and significantly cleaner effluent discharges.
Smedic is piloting eco-friendly chemical pathways and smart dosing technologies to align water treatment with green standards.
Meeting global trade regulations, custom protocols, and regional storage demands with safety-first chemical management.
Shipping hazardous or concentrated industrial chemicals internationally requires strict adherence to global safety and transport guidelines. Smedic maintains full compliance with international standards, securing REACH registration for Europe, alongside ISO 9001:2015 (Quality Management), ISO 14001:2015 (Environmental Management), and ISO 45001:2018 (Occupational Health and Safety) certificates. Each batch of Polyferric Sulfate and associated defoamers undergoes testing for heavy metals and impurities before export, and ships with complete SDS documentation in the target country's official language.
To mitigate the risks of global supply chain disruptions, we have set up over ten regional warehouse bases near major maritime hubs. This strategic setup enables us to reduce export lead times, maintain safety stock for long-term supply agreements, and facilitate smooth customs clearance. Additionally, we provide localized technical support. Our chemical engineers are available to perform jar testing on-site or in regional laboratories to optimize dosage configurations for municipal or industrial operators.
Addressing essential questions on dosing, efficiency, safety, and chemical selection for global plant managers and engineers.
Explore our targeted chemical products designed to complement modern environmental and mineral processing systems.
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