OEM Cyanide Wastewater Treatment Manufacturers & Exporters

Advanced Chemical Engineering, Global Compliance, and Enterprise-Scale Water Purification Systems for High-Impact Industrial Operations

Macro-Industry Solutions for Cyanide Wastewater Treatment

The global regulatory consensus demands highly selective, stable, and cost-efficient processes for the remediation of free and complexed cyanides.

01

Alkaline Chlorination

The traditional pathway utilizing chlorine gas or sodium hypochlorite under highly alkaline conditions (pH > 10) to oxidize toxic cyanide (CN-) first to cyanate (CNO-) and subsequently to harmless nitrogen (N2) and carbon dioxide (CO2).

02

Advanced Oxidation (AOPs)

Deploying Fenton's reagent, ozone (O3), or hydrogen peroxide (H2O2) combined with UV radiation. This creates highly reactive hydroxyl radicals capable of destroying extremely stable transition metal-cyanide complexes.

03

Selective Complexation & Precipitation

Applying specialized organic-inorganic covalent-bond heavy metal removal agents and high-performance polyacrylamide flocculants to selectively bind, aggregate, and precipitate complexed cyanides from the liquid phase.

Information Gain Insight: Modern mining operations (gold and silver extraction) and electroplating facilities are moving away from traditional single-stage processes due to strict local discharge limits. Modern solutions integrate biological oxidation, catalytic adsorption, and polymeric flocculation to achieve a zero-discharge loop or ensure discharge levels of cyanide drop below 0.1 mg/L, exceeding the EPA and EU regulatory standards.

Company Profile & Enterprise Scale

Smedic Technology Co., Ltd. is a comprehensive environmental chemical supplier integrating R&D, production, sales, and localized technical services.

Established in 2011, Smedic Technology Co., Ltd. has developed into a leading enterprise in the high-end environmental protection chemicals market within China and globally. We specialize in custom municipal sewage agents, industrial wastewater treatments, tap water purification agents, mineral processing chemicals, and oilfield agents.

With our corporate headquarters situated in Beijing, we operate multiple wholly-owned production bases across key industrial regions including Hebei, Guizhou, and Shanxi. Our service network has expanded to encompass over 20 provinces. By establishing more than ten OEM partner factories and regional warehousing hubs, we ensure rapid logistics and highly secure supply lines across East and South-East Asia, the Middle East, and the Americas.

Smedic Production Base
2011
Established Year
80+
Environmental Agent Types
1M+ Tons
Annual Production Capacity
20M+ Tons
Daily Water Treated Globally

Qualifications & High-Tech R&D Infrastructure

Empowering wastewater treatment with scientific rigor, top-tier academic collaborations, and proprietary chemical engineering.

National Recognition

We have obtained esteemed qualifications including National High-tech Enterprise, National Specialized, Refined, Unique and Innovative "Little Giant" Enterprise, National Key-Supported Specialized, Refined, Unique and Innovative "Little Giant" Enterprise, Hebei Province Specialized, Refined, Unique and Innovative "Little Giant" Demonstration Enterprise, Hebei Province Green Factory, and China's Science and Technology-based Innovative Small and Medium-sized Enterprise.

Industry-Academia-Research Platforms

Our development is driven by our R&D system consisting of one academy, three research institutes, and five bases. We host the Hebei Provincial Enterprise Technology Center, the Hebei Provincial Advanced Water Treatment Chemicals Technology Innovation Center, and the Cangzhou Water Treatment Engineering Technology Research Center. We have also established joint R&D laboratories with Shandong University, Beijing University of Technology, and have active academic commercialization partnerships with Tsinghua University Senior Scientists Association, Peking University, and Tianjin University.

Technological Innovation and Patents

Our commitment to intellectual property and independent engineering is reflected in over sixty Chinese patents, including more than forty invention patents and over twenty utility model patents. We have drafted more than ten national and industry standards, including those for composite carbon sources, composite coagulants, sodium acetate, and nitrifying and denitrifying bacterial agents.

Our proprietary technologies, such as the bio-enhanced denitrification carbon source and the deep multi-nuclear phosphorus removal agent, have passed scientific evaluation by the Science and Technology Department of Hebei Province, and were appraised as "internationally advanced," effectively filling domestic gaps. Smedic's independently developed "Inorganic-Organic Covalent Bond Flocculant and Its Advanced Water Purification Technology" won the 22nd China Patent Award and the First Prize for Technological Invention from the China Petrochemical Industry Association.

Registered Certifications & Patent Documents

Patent Certificate 1
Patent Certificate 2
Patent Certificate 3
Patent Certificate 4
Patent Certificate 5
Patent Certificate 6
Patent Certificate 7
Patent Certificate 8
Patent Certificate 9
Patent Certificate 10

Global Commercial Footprint & Localized Application Scenarios

Enabling high-performance operations across diverse geographical climates, regulatory bodies, and vertical markets.

Gold and Precious Metals Mining

Cyanide extraction remains the global benchmark for gold recovery. Smedic's customized treatment solutions handle tailing pond detoxification (destructing free cyanide and weak acid dissociable WAD cyanides) in harsh climates, from high-altitude South American mines to arid Central Asian regions.

Electroplating & Metal Finishing

Industrial metal plating uses complex cyanide-rich copper, zinc, and gold baths. Smedic supplies high-efficiency heavy metal removal agents and defoamers to destroy the complex cyanides and precipitate residual copper/nickel ions down to parts-per-billion levels.

Coal Gasification & Coking Plants

High-temperature coal processing yields highly toxic wastewater containing phenol, ammonia, and complex cyanides. Smedic provides combined advanced oxidation reagents, RO scale inhibitors, and organic defoamers to guarantee safe recycling loops inside zero-liquid-discharge (ZLD) configurations.

Compliance, Safety, and the International Cyanide Management Code (ICMC)

As a leading supplier and exporter, Smedic enforces the strict regulations of international safety authorities. We comply fully with the International Cyanide Management Code (ICMC) guidelines for the manufacture, transport, and use of cyanide-destroying agents. Our localized logistics network includes specialized hazardous chemical storage facilities, real-time tracking, and emergency-response protocols to guarantee that chemical agents are delivered safely to international ports and mine sites.

Technology Roadmap & Future Outlook

Harnessing AI-driven chemical dosing and eco-friendly polymer synthesis to pioneer the next generation of industrial water treatment.

AI-Powered Real-Time Dosing

Integrating IoT sensors and machine learning algorithms to continuously measure influent COD, heavy metals, and free cyanide levels. Our systems dynamically adjust coagulant and oxidant dosages, minimizing chemical waste by up to 25% while maintaining regulatory compliance.

Bio-Synthetic & Covalent Hybrid Agents

R&D is currently focused on marrying organic bio-polymers with inorganic active nuclei. These hybrid macromolecular complexes achieve faster flocculation and target heavy metal complexes with significantly higher affinity, leaving less residual sludge.

Zero Sludge Waste Technologies

Developing processes that allow the recovery of valuable transition metals (such as gold, silver, copper, and nickel) directly from the precipitated cyanide sludge, transforming waste management costs into valuable secondary resource pipelines.

Company History & Milestones

Over a decade of rapid expansion, technological breakthroughs, and award-winning environmental achievements.

2011
Smedic was founded, setting up its primary production capabilities for industrial environmental protection agents.
2014
The company established a complete product portfolio specifically tailored for municipal wastewater treatment chemicals.
2015
Recognized as a key national high-tech enterprise, establishing a footprint in national scientific development.
2016
A dedicated modern production base for advanced water treatment chemicals was established in Guiyang.
2018
Completed and expanded production bases across Hebei, Shandong, and Guizhou, driving total annual production capacity past the 1,000,000-ton mark.
2020
Formally recognized as a National Specialized, Refined, Unique and Innovative Small and Medium-sized Enterprise ("Little Giant").
2021
Established our provincial-level R&D platform in Hebei, accelerating collaborative laboratory achievements.
2023
Recognized as a National Intellectual Property Advantage Enterprise due to our extensive portfolio of 60+ patents.
2024
Established a joint venture company with the Chengdu Institute of Mineral Comprehensive Utilization, China Geological Survey to produce state-of-the-art mineral processing reagents.

Honors, Brands & Strategic Partners

We are honored as the "Leading Brand of Advanced Wastewater Treatment Chemicals" and the "Most Valuable Water Treatment Chemicals Brand" by China Water Network and the E20 Environmental Platform for four consecutive years.

Over the years, we have forged strategic supply agreements and long-term procurement partnerships with major global and local environmental conglomerates, including Shouchuang Ecological and Environmental Group, Yangtze River Ecological and Environmental Group, Beijing Enterprises Water Group, OriginWater, and China Water Environment Group. Smedic products are key parts of their global chemical procurement programs.

Enterprise & Environmental Certifications

Company Certificate A
Company Certificate B
Company Certificate C
Company Certificate D
Company Certificate E
Company Certificate F
R&D Lab Plant Operations

Uncompromising Quality Assurance

Every batch of environmental protection agents undergoes raw material acceptance testing, active ingredient analysis, and performance verification prior to packaging and dispatch.

Cyanide Wastewater Treatment Technical FAQ

Expert technical answers regarding chemistry, safety, dosage controls, and industrial design parameters.

What is the difference between Free Cyanide and Weak Acid Dissociable (WAD) Cyanide in wastewater treatment?
Free cyanide includes cyanide ions (CN-) and molecular hydrogen cyanide (HCN), which are highly toxic and easily bioavailable. WAD cyanide refers to metal-cyanide complexes (e.g., complexes with cadmium, copper, nickel, and zinc) that dissociate under mildly acidic conditions (pH 4.5 to 6) to release free cyanide. Standard chemical treatment must target both components. Strong complexes (like iron complexes) require advanced chemical oxidation or highly selective organic complexation agents to break down their robust coordination bonds.
Why is pH control critical during alkaline chlorination and oxidation of cyanide?
At pH levels below 9, toxic hydrogen cyanide (HCN) gas volatilizes into the air, posing severe safety risks to plant operators. Furthermore, alkaline chlorination requires a pH above 10 (ideally 10.5 to 11.5) to ensure that the oxidation of cyanide to cyanate occurs rapidly and without the production of explosive nitrogen trichloride. In the second stage of oxidation (cyanate to nitrogen and carbon dioxide), the pH is typically adjusted down to 7.5 to 8.5 to optimize reaction kinetics.
How do Smedic's heavy metal removal agents assist in treating complexed metallo-cyanides?
Our heavy metal removal agents are designed with strong chelating functional groups containing active sulfur/nitrogen atoms. These groups have a significantly higher binding affinity for heavy metals (such as copper, nickel, zinc, and iron) than the cyanide ligands. By displacing the cyanide, the agents break down the complex, allowing free cyanide to be destroyed by oxidants while simultaneously forming highly insoluble, dense flocs with the heavy metals, which are subsequently removed via sedimentation or filtration.
What parameters must be monitored to ensure compliance with global environmental discharge codes?
Industrial facilities must consistently monitor Total Cyanide (T-CN), Free Cyanide, WAD Cyanide, pH, Total Suspended Solids (TSS), Chemical Oxygen Demand (COD), and concentrations of heavy metals (Cu, Zn, Ni, Fe, Pb). Continuous monitoring systems (online analyzers) coupled with automatic shutdown valves are highly recommended to prevent accidental environmental discharge.