water treatment specialty chemicals

1-Hydroxyethylidene-1,1-Diphosphonic Acid (HEDP)

CAS: 2809-21-4

HEDP is a cornerstone organophosphonate scale and corrosion inhibitor used across cooling water, boiler, and industrial water treatment programs. It demonstrates outstanding threshold inhibition of calcium carbonate scaling at very low concentrations and provides mild steel corrosion inhibition. Thermally stable up to 130°C and compatible with chlorine-based biocides.

water treatment specialty chemicals

Aluminum Sulfate Coagulant (Alum)

CAS: 10043-01-3

Aluminum sulfate (alum) is the most widely used coagulant for potable water treatment and municipal wastewater processing. It hydrolyzes in water to produce aluminum hydroxide flocs that capture suspended particles, colloids, and natural organic matter. Available in liquid and granular grades meeting ANSI/NSF Standard 60.

water treatment specialty chemicals

Anionic Polyacrylamide Flocculant

CAS: 9003-05-8

High molecular weight anionic polyacrylamide (APAM) flocculant designed for clarification of municipal and industrial wastewater. Operates via charge neutralization and bridging to agglomerate suspended solids into settleable flocs. Effective across a wide pH range with low dosage requirements.

water treatment specialty chemicals

Anthracite Filter Media

CAS: 68909-21-7

Crushed and graded anthracite coal is the most widely used granular media for rapid gravity and pressure filtration in water and wastewater treatment. Its angular particle structure and lower density compared to sand provide superior head loss characteristics and excellent turbidity removal efficiency. Used as the upper layer in dual-media (anthracite over sand) or multi-media filter beds.

water treatment specialty chemicals

Bronopol Industrial Water Treatment Biocide

CAS: 52-51-7

Bronopol (2-bromo-2-nitropropane-1,3-diol) is a broad-spectrum non-oxidizing biocide used in cooling water, paper mill white water, oilfield water injection, and industrial process water to control bacteria including sulfate-reducing bacteria (SRB). It releases formaldehyde and bromine species upon decomposition, providing multi-mechanism antimicrobial action effective across neutral to mildly alkaline pH ranges.

water treatment specialty chemicals

CMIT/MIT Blend Biocide (1.5%)

CAS: 26172-55-4

A synergistic blend of 5-chloro-2-methylisothiazolinone (CMIT) and 2-methylisothiazolinone (MIT) at a 3:1 ratio, formulated as a 1.5% active biocide solution. This combination delivers rapid kill rates against a broad spectrum of bacteria, fungi, and algae in industrial water systems. It is widely used in cooling water, paper making, and metalworking fluid preservation.

water treatment specialty chemicals

CO2 pH Adjustment System for Water Treatment

Carbon dioxide (CO2) injection is an environmentally preferred method for reducing pH in reverse osmosis pre-treatment, potable water remineralization, and alkaline wastewater neutralization. CO2 dissolves in water to form carbonic acid, gently and controllably depressing pH without the risk of overdosing to excessively acidic conditions. It replaces mineral acid in many sensitive applications.

water treatment specialty chemicals

Carbohydrazide Oxygen Scavenger

CAS: 497-18-7

Carbohydrazide (CHZ) is an organic oxygen scavenger and metal passivator used as a safer alternative to hydrazine in high-pressure boiler and steam generation systems. It decomposes at elevated temperatures to yield nitrogen and water, with no harmful residuals, while also passivating iron and copper surfaces to form protective magnetite/cuprous oxide films.

water treatment specialty chemicals

Cationic Polyacrylamide Flocculant

Cationic polyacrylamide (CPAM) flocculant engineered for sludge dewatering and negatively charged wastewater systems. The positive charge density provides strong electrostatic attraction to suspended organics and fine particles, producing compact, filterable cakes. Widely used with belt filter presses and centrifuges.

water treatment specialty chemicals

Cationic Polyamine Coagulant Aid

CAS: 68131-73-7

Cationic polyamine is a high charge density, low molecular weight organic coagulant used as a primary coagulant or coagulant aid to enhance the performance of inorganic coagulants (PAC, alum) and polymer flocculants. Its high cationic charge density rapidly neutralizes negatively charged colloidal particles, reducing the required dose of downstream inorganic coagulants by up to 50%.

water treatment specialty chemicals

Caustic SDS Alkaline Membrane Cleaner

A blended alkaline membrane cleaning formulation combining sodium hydroxide (NaOH) and sodium dodecyl sulfate (SDS) surfactant, designed for CIP removal of organic fouling, biofilm, and silica deposits from RO, NF, and UF membranes. The alkaline pH saponifies fats and hydrolyzes proteins while the anionic surfactant disperses and removes biological and organic foulants.

water treatment specialty chemicals

Caustic Soda pH Correction Agent (50% NaOH)

CAS: 1310-73-2

Sodium hydroxide (NaOH) 50% liquid solution used for pH adjustment and alkalinity correction in water and wastewater treatment systems. It is essential for neutralizing acidic industrial effluents, elevating pH in ion exchange regeneration, and maintaining optimal pH in biological treatment processes. Available in membrane-grade and technical grades.

water treatment specialty chemicals

Ceramic Filter Ball (Support & Distribution Media)

Ceramic balls are high-alumina (Al₂O₃ 17-23% standard; 75%+ high-alumina) sintered ceramic spheres used as support and distribution media beneath filtration beds. Placed in graded layers (large balls bottom, small top) above the underdrain, they prevent fine media migration into laterals, distribute backwash water evenly, and provide structural support for the bed above. Available in 3 mm to 50 mm diameters. Standard for GAC, anthracite, sand, and multi-media filter constructions.

water treatment specialty chemicals

Chitosan Natural Coagulant

CAS: 9012-76-4

Chitosan is a natural biopolymer coagulant derived from crustacean chitin, offering an eco-friendly alternative to synthetic inorganic coagulants. Its cationic amino groups provide charge neutralization and bridging for suspended particles and turbidity removal. Biodegradable, non-toxic, and approved for use in food and potable water applications.

water treatment specialty chemicals

Chlorine Dioxide Slow-Release Tablet

Chlorine dioxide (ClO2) slow-release tablets provide sustained disinfection in water systems where continuous liquid chemical dosing is impractical. ClO2 is a highly effective oxidizing biocide active against Legionella, biofilm, bacteria, and viruses, with superior residual compared to hypochlorite. Tablets dissolve slowly to maintain target ClO2 residuals over extended periods.

water treatment specialty chemicals

Citric Acid Membrane CIP Cleaner

CAS: 77-92-9

Food-grade citric acid is the preferred acidic cleaning agent for reverse osmosis and nanofiltration membrane chemical-in-place (CIP) cleaning to remove calcium carbonate scale, iron deposits, and metal hydroxide fouling. It chelates metal ions and dissolves mineral scale deposits without damaging polyamide thin-film composite membrane surfaces. Typically used at 0.1–2% solution at pH 3–4.

water treatment specialty chemicals

Clinoptilolite Zeolite Filter Media (Ammonia Removal & Softening)

Natural clinoptilolite zeolite is a hydrated aluminosilicate (Si/Al ~5) with high cation-exchange capacity (CEC 130-180 meq/100 g) selective for NH₄⁺, Cs⁺, Pb²⁺, and Ca²⁺. Used as a polishing filter media for ammonia-nitrogen removal in municipal sewage tertiary treatment, aquaculture water, and as a softening medium replacing or supplementing ion-exchange resins. Major Chinese deposits in Henan, Jilin, Zhejiang.

water treatment specialty chemicals

Cooling Tower Corrosion Inhibitor (MBT/Azole Blend)

CAS: 16090-14-5

A blended corrosion inhibitor combining mercaptobenzothiazole (MBT) and azole compounds (benzotriazole/tolyltriazole) formulated to protect copper, brass, and mild steel in open recirculating cooling water systems. The synergistic blend forms protective surface films on both ferrous and non-ferrous metals, reducing corrosion rates and extending heat exchanger life.

water treatment specialty chemicals

Fenton's Reagent Kit (Ferrous Sulfate + Hydrogen Peroxide System)

CAS: 7782-63-0 / 7722-84-1

The Fenton's Reagent Kit is a paired-component AOP (Advanced Oxidation Process) system consisting of ferrous sulfate heptahydrate (FeSO4·7H2O, CAS 7782-63-0) as the catalyst and hydrogen peroxide (H2O2, CAS 7722-84-1, 35% or 50%) as the oxidant. When combined at pH 2.5-3.5, the Fe²⁺/H2O2 reaction generates hydroxyl radicals (·OH) with an oxidation potential of 2.8 V, capable of degrading non-biodegradable COD, color, dyes, phenols, pharmaceuticals, pesticides, and PFAS precursors in industrial wastewater. The kit is supplied with a dosing chart for the Fe:H2O2:COD ratio (typical 1:5-1:10 molar Fe:H2O2 with H2O2:COD weight ratio 1:1 to 2:1), pH adjustment guidance (H2SO4 to 2.5-3.5, NaOH neutralize to >7 post-reaction for Fe(OH)3 precipitation), and SOP for classical, modified (chelated-iron, near-neutral pH), photo-Fenton (UV-assisted), and electro-Fenton variants. Widely used in textile dyehouses, pharmaceutical wastewater, landfill leachate, electronics rinse water, and refinery sour water.

water treatment specialty chemicals

Ferric Chloride Coagulant

CAS: 7705-08-0

Ferric chloride (FeCl3) solution is a classic inorganic coagulant used extensively in water and wastewater treatment for turbidity reduction and phosphorus precipitation. It rapidly hydrolyzes to form iron hydroxide flocs that adsorb suspended and colloidal matter. Available as 40% and 45% aqueous solutions.

water treatment specialty chemicals

Ferric Salt Phosphorus Removal Agent

CAS: 7705-08-0

Ferric chloride or ferric sulfate solution dosed for chemical phosphorus precipitation in municipal and industrial wastewater treatment. Iron(III) ions react with orthophosphate to form insoluble ferric phosphate (FePO4) precipitate, achieving effluent total phosphorus levels below 0.5 mg/L. Used in pre-precipitation, simultaneous precipitation, or post-precipitation configurations.

water treatment specialty chemicals

Glutaraldehyde Water Treatment Biocide (50%)

CAS: 111-30-8

Glutaraldehyde is a broad-spectrum, non-oxidizing biocide widely used in oilfield produced water, cooling water, and industrial water systems for controlling sulfate-reducing bacteria (SRB), acid-producing bacteria (APB), and general heterotrophic bacteria. Supplied as 50% aqueous solution, it is effective against sessile biofilm bacteria and is compatible with most corrosion and scale inhibitors.

water treatment specialty chemicals

Granular Activated Carbon for Water Treatment (GAC)

CAS: 7440-44-0

Granular activated carbon (GAC) derived from coal, coconut shell, or wood is a high-surface-area adsorbent used in water treatment for taste, odor, and organic micropollutant removal. It adsorbs chlorination by-products (THMs, HAAs), pesticides, pharmaceuticals, and industrial organics from drinking water and industrial process water. Used in fixed-bed adsorbers and as biological activated carbon (BAC).

water treatment specialty chemicals

Hexamethylenediamine Tetramethylene Phosphonic Acid (HMTPMP)

CAS: 34690-00-1

HMTPMP is a high-performance organophosphonate scale and corrosion inhibitor used in cooling water and oilfield systems. Its hexamethylene backbone provides superior tolerance to calcium hardness and excellent threshold inhibition against sulfate and carbonate scales. It also offers moderate iron and manganese chelation to prevent deposition.