Solution Approach
RawSource supplies the base chemicals that go into these programs. We can help with product selection, grade matching, and sourcing from multiple origins for supply security.
Typical Treatment Workflow
1
Water & System Assessment
Characterize the water and the system — hardness, alkalinity, pH, TDS/conductivity, microbial load, and the metallurgy and temperatures of the equipment being protected.
2
Program & Chemistry Selection
Match coagulants, flocculants, scale and corrosion inhibitors, biocides, or pH adjusters to the water profile and discharge limits, factoring compatibility with any existing program.
3
Jar Testing & Dosing
Confirm coagulant and flocculant dose and feed point by jar test, set inhibitor and biocide treat rates, and size packaging (drums, totes, bulk) to consumption.
4
Monitoring & Control
Track residuals, turbidity, ORP, corrosion coupons, and effluent compliance, adjusting chemistry and dose as feedwater and load change.
Recommended Chemistries (5)
Sodium Sulfite, Anhydrous (Granular)
CAS 7757-83-7
Specialty Additives
Standard sulfite scavenger
Primary inorganic scavenger: 2 Na2SO3 + O2 -> 2 Na2SO4 strips dissolved O2; reaction is fast and cobalt-catalyzable. Standard for boilers below ~600 psig
Melting Point: Decomposes Boiling Point: Decomposes Density: 2.633 at 15 °C
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Sodium Bisulfite
CAS 7631-90-5
Specialty Additives
Liquid sulfite scavenger
3260 (SODIUM BISULFITE) · Class Convenient liquid sulfite source that scavenges O2 by the same sulfite-to-sulfate oxidation; easy to meter into feedwater
Melting Point: Decomposes Boiling Point: Decomposes Density: 1.48 at 20 °C
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Potassium Metabisulfite (Technical/Food Grade)
CAS 16731-55-8
Specialty Additives
Preservation
1759 (POTASSIUM METABISULFITE) · Class Dissolves to bisulfite/sulfite and consumes O2 to sulfate; a solid, storage-stable form of the same scavenger chemistry
Melting Point: Decomposes at approximately 150 °C Density: 2.3 g/cu cm Solubility: Freely soluble in water; insoluble in alcohol
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Ascorbic Acid (Vitamin C), Food Grade
CAS 50-81-7
Acids & Salts
Preservation
Recognized non-toxic organic oxygen scavenger (oxidizes to dehydroascorbate) where a metals-free, food/contact-safe alternative to sulfite is wanted.
Melting Point: 190–192 °C (decomposes) Density: 1.65 Solubility: ≥ 100 mg/mL at 23 °C
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Carbohydrazide
CAS 497-18-7
Volatile oxygen scavenger that also passivates metal surfaces; UFC 3-230-13 (DoD, 2023) lists carbohydrazide among the specialty scavengers for boilers over 900 psig, held at parts-per-billion residuals
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