Industrial wastewater treatment and resource recovery systems for multiple industries

Industry Solutions

Industry Solutions

Covering six industry groups and 36 application scenarios, matching industrial wastewater treatment, reuse, reduction, and resource-recovery goals with practical engineering routes.

6Process Industries / Manufacturing & New Energy

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36Process Streams / Recovery Goals

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Scenario-led EntryIndustry Context + Process Details

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Industrial Sectors

Six Industry Groups and 36 Application Scenarios

Select an industry group to identify comparable process streams; scenarios with details can be opened by clicking the image.

Chemical & Petrochemical

Chemical & Petrochemical

For waste acids, high-salinity mother liquors, refinery wastewater, and fermentation purification, assess segregated recovery, desalination, concentration, and resource recovery.

16Typical Application Scenarios
Waste-acid recovery for titanium dioxide, fluorochemicals, pesticides, and dyes

Waste-acid recovery for titanium dioxide, fluorochemicals, pesticides, and dyes

Acidic waste-liquor recovery from wood hydrolysis

Acidic waste-liquor recovery from wood hydrolysis

Recovery and regeneration of acidic pharmaceutical mother liquor

Recovery and regeneration of acidic pharmaceutical mother liquor

Closed-loop acid reuse in paper production

Closed-loop acid reuse in paper production

Concentration of sodium chloride, sodium sulfate, and ammonium chloride

Concentration of sodium chloride, sodium sulfate, and ammonium chloride

Resource recovery from inorganic salts and process mother liquors

Resource recovery from inorganic salts and process mother liquors

High-salinity wastewater reduction in coal chemical processing

High-salinity wastewater reduction in coal chemical processing

Preconcentration upstream of MVR evaporation

Preconcentration upstream of MVR evaporation

Desalination of integrated refinery wastewater

Desalination of integrated refinery wastewater

Desalination of amino-acid, citric-acid, lactic-acid, and glutamic-acid fermentation broths

Desalination of amino-acid, citric-acid, lactic-acid, and glutamic-acid fermentation broths

Purification and refining of fermentation broth

Purification and refining of fermentation broth

Desalination and refining of active pharmaceutical ingredients

Desalination and refining of active pharmaceutical ingredients

Purification of pharmaceutical intermediates

Purification of pharmaceutical intermediates

Purification of fermentation-derived pharmaceuticals

Purification of fermentation-derived pharmaceuticals

Recovery of lactic, citric, and gluconic acids

Recovery of lactic, citric, and gluconic acids

Recovery of itaconic, succinic, and acetic acids

Recovery of itaconic, succinic, and acetic acids

Nonferrous Metals & Rare Earths

Nonferrous Metals & Rare Earths

Across nonferrous-metal pickling, hydrometallurgy, and rare-earth salt systems, identify opportunities for acid regeneration, metal-salt conversion, and valuable-component recovery.

6Typical Application Scenarios
Spent-acid recovery from copper, aluminum, and titanium pickling

Spent-acid recovery from copper, aluminum, and titanium pickling

Waste-acid treatment in copper, nickel, zinc, and cobalt smelting

Waste-acid treatment in copper, nickel, zinc, and cobalt smelting

Acid recovery in the Bayer process

Acid recovery in the Bayer process

Recovery and regeneration of hydrochloric and nitric acids in rare-earth processing

Recovery and regeneration of hydrochloric and nitric acids in rare-earth processing

Rare-earth salt conversion

Rare-earth salt conversion

Conversion of nickel, cobalt, and copper salts

Conversion of nickel, cobalt, and copper salts

Electroplating & Surface Treatment

Electroplating & Surface Treatment

For electroplating, PCB, formed-foil, and electronic-chemical processes, recover acids and support closed-loop production of high-purity acids and alkalis.

5Typical Application Scenarios
Recovery and regeneration of hydrochloric, sulfuric, and nitric acids

Recovery and regeneration of hydrochloric, sulfuric, and nitric acids

Spent-acid recovery from micro-etching and etching

Spent-acid recovery from micro-etching and etching

Spent-acid recovery from foil-forming processes

Spent-acid recovery from foil-forming processes

Production of high-purity electronic-grade acid

Production of high-purity electronic-grade acid

Production of high-purity electronic-grade alkali

Production of high-purity electronic-grade alkali

New Energy & Lithium Batteries

New Energy & Lithium Batteries

Covering cathode materials, lead-acid batteries, lithium-salt conversion, salt-lake lithium extraction, and precursor production, with emphasis on separating and converting lithium and metal salts.

6Typical Application Scenarios
Treatment of acid-leach waste liquor from cathode materials

Treatment of acid-leach waste liquor from cathode materials

Spent-acid recovery from lead-acid battery production

Spent-acid recovery from lead-acid battery production

Lithium-salt conversion from lithium sulfate to lithium hydroxide

Lithium-salt conversion from lithium sulfate to lithium hydroxide

Lithium extraction from salt-lake brines

Lithium extraction from salt-lake brines

Metal-salt conversion for power-battery cathode materials

Metal-salt conversion for power-battery cathode materials

Production of ternary precursors and lithium iron phosphate

Production of ternary precursors and lithium iron phosphate

Textile & Dyeing

Textile & Dyeing

Focus on recovering and reusing free acid from fabric-pickling waste liquor to reduce neutralization chemicals, salt load, and liquid waste.

1Typical Application Scenarios
Recovery of spent acid from fabric pickling

Recovery of spent acid from fabric pickling

Steel & Coking

Steel & Coking

For hydrochloric- and sulfuric-acid steel pickling, recover free acid and segregate iron-rich side streams to reduce fresh-acid use and neutralization load.

2Typical Application Scenarios
Recovery of spent hydrochloric-acid pickling liquor

Recovery of spent hydrochloric-acid pickling liquor

Recovery of spent sulfuric-acid pickling liquor

Recovery of spent sulfuric-acid pickling liquor

Convert Water quality reports into executable process routes

Submit water quality, flow rate, target products, and site boundary conditions. EasyGu Water Treatment engineers can develop preliminary solutions for industrial wastewater treatment, water reuse, zero liquid discharge (ZLD), and resource recovery objectives.

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Submit the currently available industry, water volume, main components, existing process, and objectives. Incomplete information can also be submitted first, and engineers will assist in supplementing the boundary conditions later.

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