Industrial Wastewater Treatment Technology
Our Industrial Wastewater Treatment solutions are engineered to handle the complex, high-concentration, and toxic wastewater from chemical and pharmaceutical production, ensuring environmental compliance and operational efficiency. The nature of this wastewater, with its high levels of organic compounds and low biodegradability, requires a sophisticated and multi-stage treatment approach to ensure safety and meet stringent discharge standards.
Advanced Industrial Wastewater Treatment Technologies
Advanced Oxidation Processes
These technologies, such as Fenton oxidation and catalytic oxidation reactors, are used to pretreat high-concentration wastewater and improve its biodegradability before it enters the biochemical treatment stage.
Evaporative Crystallization
This is a key pretreatment technology used for wastewater with high salinity and concentration, effectively separating and desalinating the waste stream.
Multi-Stage Biochemical Treatment
Our systems utilize proven biochemical treatment processes, including hydrolysis acidification, anaerobic treatment, and two-stage A/O (Anaerobic/Oxic) processes, to efficiently break down complex organic pollutants.
Comprehensive Process Flow
The wastewater treatment process for chemical and pharmaceutical wastewater is predominantly based on biochemical treatment. It's preceded by a pretreatment stage for different wastewater streams.
Key Advantages for Industrial Wastewater Treatment
Effective for Complex Waste: Our technology can handle wastewater with complex compositions, high organic matter concentrations, and strong toxicity, such as fine chemical production wastewater with CODcr levels exceeding 20,000 mg/L.
Meets Strict Industry Standards: The treated effluent is guaranteed to meet specific industry standards, including the “Discharge Standard for Wastewater into Urban Sewer Systems (GB/T 31962-2015)” for chemical wastewater and the “Discharge Standard of Water Pollutants for Pharmaceutical Industry (GB21904-2008)” for pharmaceutical wastewater.
Tailored Solutions: We design a tailored treatment process for various wastewater characteristics, handling both high-salinity and low-concentration streams to provide a comprehensive and effective solution for your facility.
Industrial Wastewater Treatment Applications
Our systems are specifically designed for the following industrial applications
Chemical Enterprises
For treating wastewater from fine chemical production that is characterized by high CODcr, poor biodegradability, and high toxicity.
Pharmaceutical Enterprises
For treating wastewater from the production of active pharmaceutical ingredients (APIs), including streams with high salinity, high concentration, and general low concentration.
Food Processing Wastewater
It is used to treat complex food processing wastewater, characterized by high levels of organic matter, nitrogen, phosphorus, oil, grease, suspended solids, and other pollutants, with CODcr (chemical oxygen demand) concentrations sometimes reaching as high as 5000 mg/L.
Power Industry Wastewater
This treatment system is used to treat wastewater discharged from the power industry, primarily including boiler feed water, cooling water, ash flushing water, and desulfurization wastewater.
Industrial wastewater treatment process
Integrated Industrial Wastewater & Waste Gas Treatment Process
This process efficiently treats complex industrial wastewater and associated waste gases through an integrated physical and chemical system.
Initial Collection & Equalization:
Industrial wastewateris first collected in a water storage tank and then flows to an equalization tank to homogenize its flow and characteristics.Core Chemical Treatment: The wastewater undergoes primary breakdown in a degradation tank, often with the aid of chemical agents (
Decomposing agent). It then proceeds to an oxidation tank for further destruction of organic pollutants.Parallel Waste Gas Treatment:
Industrial waste gasis treated in a spray tower (containingpackingfor surface area) where it is scrubbed by a liquid spray. Gases are moved through the system by an anti-corrosion fan and an air collector.Pollutant Capture & Recycling: The scrubbing liquid, which captures pollutants from the gas, circulates through three circulating water tanks. Contaminants are removed from this water using an adsorbent (e.g., activated carbon). The saturated adsorbent is then dried and removed as a solid waste (extract filter cake).
Frequently Asked Questions
Industrial wastewater, particularly from chemical and pharmaceutical production, is difficult to treat due to its complex composition, high concentration of organic matter, poor biodegradability, and high toxicity.
For high-concentration industrial wastewater, we use advanced pretreatment technologies such as evaporative crystallization and advanced oxidation processes to make the wastewater suitable for further biological treatment.
The biochemical treatment stage is a core part of the process where microorganisms are used to break down the organic compounds in the wastewater, reducing pollutants and preparing the water for discharge.
Our systems are designed to ensure your effluent meets strict industry standards, such as the GB/T 31962-2015 for chemical wastewater and GB21904-2008 for pharmaceutical wastewater.
Yes, our systems are designed to handle both high-salinity and high-concentration wastewater through pretreatment, which is then mixed with low-concentration wastewater for a comprehensive multi-stage treatment process.
For high-salinity wastewater, we use a pretreatment process involving concentration and evaporation to remove the salt content before the water enters the main treatment stages.
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