Some of Most-used Chemical Reagents

It is one of our various reagent

Extractants Agent

Metal Ion Extractants

Features: Used for recovering or removing heavy metals such as copper, nickel, zinc, cobalt, etc., from wastewater.

Classification:

  • Organic Phosphate Esters: Commonly used for zinc and cobalt extraction, and for separating nickel and cobalt.
  • Organic Phosphonic Acids: Selectively remove iron or rare earth metals.
  • β-Diketones: Used for copper recovery.

Applications:

  • Electroplating wastewater treatment.
  • Metal recovery in hydrometallurgy.

Organic Compound Extractants

Features: Removes dissolved organic pollutants such as phenol, phenolic compounds, and aromatic hydrocarbons from wastewater.

Classification and Products:

  • Aromatic Hydrocarbons: Benzene, toluene: Used for extracting phenolic organics.
  • Amine Extractants: Remove organic acids and surfactants.
  • Solvent Extractants: Applied for the removal of high-concentration organics.

Applications:

  • Removal of organic substances from chemical wastewater.
  • Concentration and recovery of waste liquids.

Rare Earth Extractants

Features: Recovers rare earth elements from wastewater.

Classification and Products:

  • Organic Phosphate Esters: The main extractants for rare earth separation.
  • Amine Extractants: Suitable for rare earth separation under neutral pH conditions.

Gas Absorption Extractants

Features: Used for capturing acidic gases such as CO₂, SO₂, and H₂S from exhaust gases.

Classification and Products:

  1. Amine Extractants
  • Applications: Flue gas desulfurization in coal-fired power plants, purification of natural gas and biogas.
    • MEA (Monoethanolamine): Highly efficient in removing CO₂ and H₂S.
    • DEA (Diethanolamine): Suitable for high-sulfur exhaust gases.
    • MDEA (Methyldiethanolamine): Highly selective for acidic gas removal.
  1. Inorganic Alkaline Solutions:
  • Sodium Hydroxide Solution: Commonly used for SO₂ absorption.
  • Sodium Carbonate Solution: Used for treating neutral exhaust gases.

Volatile Organic Compounds (VOC) Extractants

Features: Removes and recovers VOC components from exhaust gases.

Classification and Products:

  1. Solvent Extractants:
  • Toluene, Xylene: Highly efficient in adsorbing aromatic VOCs.
  • Dichloromethane: Used for halogenated hydrocarbon recovery.
  1. Adsorption-based Solvents:
  • Activated Carbon Fiber Impregnated Solvents: Suitable for absorbing low-concentration VOCs.

Applications: Treatment of exhaust gases from chemical plants, solvent recovery systems.

Polluted Gas Purification Extractants

Features: Efficient removal of specific polluted gases, such as NH₃ and chlorine gas.

Classification and Products:

  1. Acidic Absorption Liquids
  • Sulfuric Acid Solution: Captures ammonia gas.
  1. Organic Amine Extractants:
  • Used for treating chlorine gas and fluorides.

Flocculants And Coagulants

Used to remove suspended particles, turbidity, and colloidal contaminants.

Inorganic Flocculants

  • Aluminum Sulfate (Alum): Widely used in drinking water and industrial wastewater treatment.
  • Polyaluminum Chloride (PAC): Highly efficient for coagulating and removing organic matter and metal ions.

Organic Flocculants

  • Polyacrylamide (PAM): Cationic type is used for sludge dewatering, while anionic type is used for removing suspended particles.
  • Chitosan: A natural flocculant suitable for food and pharmaceutical wastewater treatment.

Oxidizing And Reducing Agents

A reducing agent used to remove harmful substances from industrial wastewater.

Oxidizing Agents used to decompose organic matter and oxidize heavy metals in wastewater.

Oxidizing Agents

Used to decompose organic matter and oxidize heavy metals in wastewater.

  • Ozone (O₃): Removes color, COD, and performs sterilization.
  • Persulfates: Highly efficient for removing recalcitrant pollutants.
  • Potassium Permanganate: Used for treating high-ammonia-nitrogen wastewater.

Reducing Agents

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PH Adjusters

Acidic Adjusters

  • Sulfuric Acid: Lowers wastewater pH, commonly used in electroplating wastewater.
  • Hydrochloric Acid: Quickly acidifies and adjusts pH

Alkaline Adjusters

  • Sodium Hydroxide (Caustic Soda): Raises pH, commonly used for acidic wastewater.
  • Sodium Carbonate (Soda Ash): Used for buffering and neutralization.

Absorbents

Used for absorbing acidic or alkaline gas pollutants, such as SO₂ and HCl. Also includes high-efficiency sulfur dioxide absorbers and CO₂ capture agents.

Alkaline Gas Absorbents

  • Sulfuric Acid Solution: Absorbs NH₃.

Acidic Gas Absorbents

  • Sodium Hydroxide Solution: Absorbs SO₂ and HCl.
  • Calcium Hydroxide (Slaked Lime): Used for flue gas desulfurization.

Catalysts

Facilitate the decomposition or conversion of harmful substances in exhaust gases into harmless substances, such as in denitrification processes.

VOC Catalysts

  • Palladium/Platinum Catalysts: Catalyze the oxidation of volatile organic compounds (VOCs).

Denitrification Catalysts

  • Titanium-based Catalysts: Selectively reduce nitrogen oxides (NOₓ).

Adsorbents

Used for adsorbing organic compounds or odor molecules. Applied in VOC control and odor management in exhaust gases, as well as for removing hydrogen sulfide and ammonia gas.

Activated Carbon

Used for VOC adsorption

Zeolite

Adsorbs ammonia and sulfur compounds

Other Agents

Check Out Some of Our Most-Used!

Function Agents

  • Ammonia Nitrogen Removal Agent: Used to remove ammonia nitrogen from water.
  • Phosphorus Removal Agent: Used to remove phosphorus from water.
  • Heavy Metal Scavenger: Used to remove heavy metals from water.
  • Decolorizing Agent: Used to remove color from water.
  • Defoaming Agent: Used to eliminate foam during the water treatment process.

Chemical Scrubbing Agents

Used in gas scrubbers to remove pollutant gases.

  • Hydrogen Peroxide (H₂O₂): Oxidizes sulfur compounds and is specifically used for natural gas desulfurization.

Anti-foaming and Defoaming Agents

Reduce foam generated during wastewater treatment due to air aeration.

Other Agents

  • Antiscalant: Used to prevent scaling in pipelines and water treatment equipment.
  • Demulsifier: Used for treating wastewater containing emulsified oil.
  • Citric Acid: Used for pH adjustment and removal of metal ions.
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