Electrochemical wastewater treatment 1-30T/h Compact Wastewater Treatment System

10 t/d EO electrochemical wastewater treatment equipment, applied to: wastewater treatment of fine chemical industry, organic synthesis, inorganic chemical industry and polymer chemical industry

Quick Details

The treatment of chemical industry wastewater is globally recognized as a complex challenge in the environmental protection field. Its water quality exhibits highly industry-specific and complex characteristics, typically manifested as a wide variety of pollutants, high concentrations, strong toxicity, extremely poor biodegradability, and significant fluctuations in both water quality and quantity. The wastewater often contains highly toxic, high-salinity, and refractory substances such as BTEX (benzene, toluene, ethylbenzene, xylene), phenols, halogenated hydrocarbons, heavy metal ions, and cyanides, posing severe challenges to traditional biological treatment-based processes. Biological methods often fail due to microbial inhibition, while purely physical-chemical methods (such as coagulation-sedimentation or advanced oxidation) may face issues like incomplete treatment, high operational costs, and the generation of large amounts of hazardous chemical sludge, leading to secondary pollution risks.

Addressing the core challenges in chemical wastewater treatment—the complete removal of refractory, toxic organic compounds and the demand for clean treatment—our company, based on mature and advanced electrochemical technology principles, has successfully developed and manufactures a series of efficient, modular electrochemical water treatment equipment. This technological approach does not rely on microorganisms and is particularly suitable for treating wastewater with strong biotoxicity or poor biodegradability. Its core advantages lie in directly converting and destroying pollutants through electrochemical processes, operating without the addition of any chemical agents, thereby avoiding salt accumulation and secondary pollution from chemical dosing. Simultaneously, the reaction process generates no chemical sludge or residual solids, significantly reducing the production and disposal costs of hazardous solid waste from the source and achieving a greener and more sustainable treatment process.

A complete and efficient chemical wastewater treatment solution typically requires customized design and integration based on specific water quality. A treatment process based on our company's core equipment usually begins with targeted pretreatment of the wastewater. This includes units such as equalization and conditioning, oil separation, and primary sedimentation to ensure relatively stable influent quality for the subsequent electrochemical systems. The wastewater then enters the EC electrochemical equipment. At this stage, colloidal particles, some suspended and emulsified organic matter, color, and some heavy metal ions can be efficiently removed, creating favorable conditions for subsequent deep oxidation treatment.

The pretreated wastewater then enters the CQDHX SERIES EO electrochemical oxidation equipment, developed and manufactured by our company, for core deep treatment. Its proprietary electrode materials and optimized design enable the efficient and stable in-situ generation of highly oxidizing species, such as hydroxyl radicals, on the electrode surface. These reactive species can indiscriminately attack and thoroughly decompose the most stable toxic organic molecules remaining in the wastewater (e.g., halogenated organics, long-chain polymers), gradually mineralizing them into carbon dioxide, water, and inorganic salts, achieving fundamental removal of pollutants. This process is entirely driven by electrical energy, representing a truly clean "green water treatment" technology.

Finally, the effluent, thoroughly purified by the electrochemical system, can be supplemented with simple post-treatment (such as pH neutralization, fine filtration, etc.) according to specific discharge or reuse standards to stably meet stringent environmental requirements.

The treatment process provided by our company, centered on our self-developed EC electrochemical equipment and CQDHX SERIES EO electrochemical oxidation equipment, offers a highly competitive solution for treating various high-difficulty chemical wastewaters. It not only effectively addresses complex pollutants, but its operational characteristics of "no chemical addition, no solid waste" align perfectly with the current trends of green chemistry and sustainable development.

For wastewater with special characteristics or unique treatment objectives, our company's engineers provide technical support and solutions.

Technical specifications for 10 tons/day wastewater treatment capacity

Precautions:

1. The equipment must be installed in a well-ventilated, rain-sheltered, non-explosion-proof area.
2. The equipment power supply uses a three-phase five-wire system, and the equipment must be reliably grounded.
3. Do not strike the electrodes with hard objects.

Application Scope:

Inorganic chemical wastewater, fine chemical wastewater, polymer chemical wastewater, etc.

The wastewater mainly contains potassium o-hydroxyphenylacetate, potassium o-chlorophenylacetate, potassium chloride, etc.

The wastewater is from chemical raw material manufacturing, with a COD of approximately 30,000, ammonia content of 15%-30%, and nitrile-based organic compound content of 5%.

The wastewater is: an aqueous sodium sulfate solution generated during the acidification of sodium methylbenzotriazole with 98% sulfuric acid.

The wastewater is mixed wastewater from chemical waste gas treatment: vacuum pump wastewater, alkali scrubber wastewater, dehydration kettle wastewater.

The wastewater is generated during the production of chemical intermediates, with the primary pollutants being phenolic compounds and a small amount of dissolved triphenyl compounds.

The wastewater is resin production wastewater: the main pollutants are acrylic acid, monohydric or dihydric alcohols, esters, and the salt is primarily sodium chloride.

The wastewater is from synthetic fragrance production, with the main pollutants being heterocyclic and high molecular weight compounds, and the salt content mainly consisting of 10% sodium sulfate and sodium chloride.

Common Processes for Treating Chemical Wastewater with Electrochemical Equipment

Process 1

Highly toxic, high-salinity chemical wastewater

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Primary Treatment
(Distillation for solvent recovery, removal of colloids, oil removal)

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Pretreatment System (Optional)
(Improves the efficiency of the electrochemical oxidation system)

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CQDHX SERIES EO Electrochemical Oxidation Treatment Equipment
(Highly efficient detoxification and COD degradation)

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Emission

Process 2

Highly toxic, high-salinity chemical wastewater

↓

Primary Treatment
(Distillation for solvent recovery, removal of colloids, oil removal)

↓

Pretreatment System (Optional)
(Improves the efficiency of the electrochemical oxidation system)

↓

EC Electrochemical System
(Removes suspended solids and degrades COD)

↓

CQDHX SERIES EO Electrochemical Oxidation Treatment Equipment
(Highly efficient detoxification and COD degradation)

↓

Emission

Treatment Capacity of Electrochemical Oxidation Wastewater Treatment Equipment