water treatment chemicals

Hydrazine Oxygen Scavenger

CAS: 302-01-2

Hydrazine is a highly effective chemical oxygen scavenger used in high-pressure boiler systems where sodium sulfite is unsuitable due to the generation of dissolved solids at steam conditions. It reacts with dissolved oxygen to produce only water and nitrogen, leaving no ionic by-products. Hydrazine also passivates boiler metal surfaces, providing additional corrosion protection.

water treatment chemicals

Industrial Wastewater Treatment Chemical

Industrial wastewater treatment chemicals are comprehensive specialty chemical solutions used to remove suspended solids, organic pollutants, heavy metals, nutrients, and other contaminants from industrial effluents before discharge. They include coagulants, flocculants, pH adjusters, oxidants, and precipitants formulated for specific industrial wastewater types. These products help industries meet environmental discharge standards.

water treatment chemicals

Isothiazolinone Biocide for Water Treatment

CAS: 55965-84-9

Isothiazolinone-based biocides (CMIT/MIT blend) are broad-spectrum antimicrobial agents widely used in cooling water, industrial process water, and paper mill water treatment. They are effective against bacteria, algae, and fungi at low concentrations and are compatible with most water treatment chemicals. This product controls biofilm formation and prevents microbiologically influenced corrosion (MIC).

water treatment chemicals

Microbiological Control Agent for Water Treatment

CAS: 55965-84-9

Microbiological control agents for water treatment are specialty biocide blends formulated to provide continuous protection against bacteria, fungi, algae, and biofilm in industrial water systems. They combine oxidizing and non-oxidizing biocides to deliver broad-spectrum efficacy while minimizing resistance development. These products are essential for preventing Legionella, SRB-induced corrosion, and biofouling.

water treatment chemicals

Nitrilotriacetic Acid (NTA) Sequestrant

CAS: 139-13-9

Nitrilotriacetic acid (NTA) is a trisodium or free acid chelating agent used as a sequestrant and scale inhibitor in industrial water treatment, detergent formulations, and pulp bleaching. It chelates calcium, magnesium, iron, and other metal ions, preventing scale formation and improving detergent performance. NTA is a more biodegradable alternative to EDTA in certain applications.

water treatment chemicals

Nonionic Polyacrylamide (NPAM)

CAS: 9003-05-8

Nonionic polyacrylamide is a high-molecular-weight polymer that carries no ionic charge, making it effective in high-salt or extreme-pH environments where ionic flocculants may underperform. It acts primarily through bridging mechanisms to aggregate suspended solids. This product is widely used in mining, coal washing, and neutral to acidic wastewater treatment.

water treatment chemicals

Oil-Water Separator Chemical

CAS: 9002-89-5

Oil-water separator chemicals are demulsifiers and coagulants used to break stable oil-in-water and water-in-oil emulsions in industrial wastewater treatment systems. They destabilize the emulsion, coalesce dispersed oil droplets, and facilitate separation by gravity or dissolved air flotation. These products are essential in refineries, metal processing, food industry, and oilfield produced water treatment.

water treatment chemicals

Phosphino Carboxylic Acid (PCA)

CAS: 71050-62-9

Phosphino carboxylic acid is a low-molecular-weight copolymer combining phosphino and carboxylic acid functional groups, providing excellent scale inhibition and dispersion in high-hardness, high-temperature, and high-pH cooling water and boiler systems. It demonstrates superior threshold inhibition of calcium carbonate, calcium sulfate, and calcium phosphate compared to conventional polycarboxylates. PCA is a key component in non-phosphonate, environmentally progressive water treatment formulations.

water treatment chemicals

Poly(diallyldimethylammonium chloride) (polyDADMAC)

CAS: 26062-79-3

PolyDADMAC is a linear, fully water-soluble cationic polymer widely used as a primary coagulant and charge-neutralization agent in drinking water, wastewater, and paper manufacturing. It provides excellent removal of humic substances, turbidity, and negatively charged contaminants. PolyDADMAC is commonly used in combination with inorganic coagulants to reduce metal salt dosage and improve sludge management.

water treatment chemicals

Polyacrylic Acid (PAA) for Water Treatment

CAS: 9003-01-4

Polyacrylic acid is a low-molecular-weight anionic polymer used as a scale inhibitor and dispersant in cooling water, boiler water, and industrial water systems. It prevents the formation and deposition of calcium carbonate, calcium sulfate, and other mineral scales on heat exchange surfaces. PAA is compatible with oxidizing biocides and other water treatment chemicals.

water treatment chemicals

Polyaluminum Chloride (PAC)

CAS: 1327-41-9

Polyaluminum chloride is a widely used inorganic coagulant for drinking water, municipal wastewater, and industrial effluent treatment. It destabilizes colloidal particles through charge neutralization and sweep flocculation, producing large, dense flocs that settle rapidly. PAC is effective over a broad pH range and produces less sludge volume than conventional alum.

water treatment chemicals

Polyamine Flocculant

CAS: 26590-05-6

Polyamine flocculants are high-charge-density cationic polymers used as primary coagulants and coagulant aids in water and wastewater treatment. They are highly effective for charge neutralization of negatively charged colloids, organic matter, and color removal. Polyamines are used at lower dosages than inorganic coagulants and generate significantly less sludge.

water treatment chemicals

Polyaspartate Scale Inhibitor

CAS: 181828-06-8

Polyaspartate (PASP sodium salt) is the neutralized, water-soluble form of polyaspartic acid used as a biodegradable scale inhibitor and dispersant in industrial water treatment. It effectively inhibits calcium carbonate, calcium sulfate, and barium sulfate scale formation and disperses iron oxide and clay deposits. As a readily biodegradable polymer, it is preferred in environmentally sensitive applications over conventional phosphonate and polyacrylate inhibitors.

water treatment chemicals

Polyaspartic Acid (PASP)

CAS: 181828-06-8

Polyaspartic acid is a biodegradable, environmentally friendly scale and corrosion inhibitor derived from aspartic acid. It provides excellent inhibition of calcium carbonate, calcium sulfate, barium sulfate, and calcium phosphate scales in industrial water systems. PASP is recognized as a green chemistry alternative to phosphonate-based scale inhibitors.

water treatment chemicals

Polyferric Chloride (PFC)

CAS: 10294-56-1

Polyferric chloride is an inorganic iron-based coagulant used for turbidity removal, phosphorus removal, and organic matter reduction in water and wastewater treatment. It produces robust flocs that capture fine particles and colloids effectively, even in cold or low-turbidity waters. PFC is particularly effective for phosphorus removal in municipal and industrial wastewater systems.

water treatment chemicals

Polymaleic Acid (HPMA)

CAS: 26099-09-2

Hydrolyzed polymaleic acid (HPMA) is a low-molecular-weight polymer excellent at inhibiting calcium carbonate, calcium sulfate, and calcium phosphate scales in high-temperature and high-hardness water systems. It exhibits superior thermal stability compared to polyacrylic acid, making it ideal for high-temperature boiler and process water applications. HPMA also acts as a dispersant for iron and other metal oxides.

water treatment chemicals

Quaternary Ammonium Biocide for Water Treatment

CAS: 68424-85-1

Quaternary ammonium compounds (quats) are cationic surfactant biocides widely used in cooling water and industrial water treatment for bacteria and algae control. They disrupt microbial cell membranes, causing rapid cell death, and also disperse biofilms. Quats have the added benefit of reducing surface tension, aiding in deposit removal and equipment cleaning.

water treatment chemicals

RO/NF Membrane Cleaning Agent

RO and NF membrane cleaning agents are specially formulated blends of acids, alkalis, surfactants, and chelating agents used to restore membrane performance after fouling by scale, biofilm, organic matter, and colloidal deposits. They are available in acidic grades for mineral scale removal and alkaline grades for organic and biological fouling removal. Proper membrane cleaning restores flux and salt rejection to near-original specifications.

water treatment chemicals

Reverse Osmosis Antiscalant

CAS: 2809-21-4

Reverse osmosis antiscalants are specialty chemical formulations dosed into RO system feed water to prevent mineral scaling on membrane surfaces. They inhibit the crystallization and precipitation of sparingly soluble salts including calcium carbonate, calcium sulfate, barium sulfate, strontium sulfate, and silica. Proper antiscalant dosing maximizes recovery, extends membrane life, and reduces cleaning frequency.

water treatment chemicals

Sludge Conditioner

CAS: 9003-05-8

Sludge conditioners are polymer-based chemical additives used to improve the dewaterability of municipal and industrial sludges on belt filter presses, centrifuges, and vacuum filters. They neutralize the charge on sludge particles, promoting floc formation and releasing interstitial water for more efficient dewatering. Proper sludge conditioning reduces final cake moisture and disposal costs.

water treatment chemicals

Sodium Hydroxide (Caustic Soda) pH Adjuster

CAS: 1310-73-2

Sodium hydroxide is the primary alkaline pH adjustment chemical used in water and wastewater treatment to raise pH, neutralize acidic effluents, precipitate heavy metals, and maintain optimal conditions for coagulation and flocculation. It is supplied as solid flakes/pearls or as 50% aqueous solution for direct dosing. Proper pH control is essential for effective coagulation, scale inhibition, and compliance with discharge pH limits.

water treatment chemicals

Sodium Molybdate Corrosion Inhibitor

CAS: 10102-40-6

Sodium molybdate is an environmentally acceptable, non-toxic anodic corrosion inhibitor for steel, aluminum, and other metals in closed-loop cooling and heating water systems. It passivates metal surfaces by forming stable molybdate complexes that impede anodic dissolution. Molybdate is especially favored in non-chromate replacement programs due to its low toxicity and compatibility with diverse system materials.

water treatment chemicals

Sodium Sulfite Oxygen Scavenger

CAS: 7757-83-7

Sodium sulfite is a chemical oxygen scavenger widely used in boiler water and steam systems to remove dissolved oxygen and prevent oxygen-induced corrosion. It reacts rapidly with dissolved oxygen to form non-corrosive sodium sulfate. Sodium sulfite is the most cost-effective oxygen scavenger for low- to medium-pressure boiler systems operating below 60 bar.

water treatment chemicals

Sulfuric Acid pH Adjuster for Water Treatment

CAS: 7664-93-9

Sulfuric acid is the most widely used acidic pH adjustment chemical in water and wastewater treatment, RO system pretreatment, and cooling water systems. It lowers pH, reduces alkalinity, controls calcium carbonate scale in RO membranes, and neutralizes alkaline effluents. It is used in diluted form for safe handling and accurate dosing by metering pumps.