ソリューションアプローチ
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 (7)
Hydroxyethylidene Diphosphonic Acid
CAS 2809-21-4
リン酸エステル・誘導体
主要なCaCO3スケール防止剤
HEDP threshold-inhibits CaCO3/CaSO4 in the RO reject at low dose; widely accepted as membrane-compatible
融点:198-199 沸点:578.8 Solubility: 1.15e+01 g/L
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DTPMPA (Diethylenetriamine Penta(methylenephosphonic acid))
CAS 15827-60-8
リン酸エステル・誘導体
High-temperature phosphonate
Strong against sulfate scales (BaSO4/CaSO4) and stable at the high LSI of the concentrate; protects tail elements
Physical Description: Solid; 49-51% Aqueous solution: Clear amber to …
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Polyepoxysuccinic Acid (PESA)
CAS 51274-37-4
リン酸エステル・誘導体
キレート化 / 金属イオン封鎖
Phosphorus-free polycarboxylate antiscalant (low eutrophication/discharge concern) effective on carbonate and sulfate scales in membrane plants
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HPAA (2-Hydroxyphosphonoacetic Acid)
CAS 23783-26-8
リン酸エステル・誘導体
キレート化 / 金属イオン封鎖
Threshold inhibitor with good calcium tolerance, broadening scale coverage across variable RO feedwaters
Physical Description: Brown liquid. Slight acrid odor
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Sodium Hexametaphosphate (SHMP)
CAS 10124-56-8
特殊添加剤
キレート化 / 金属イオン封鎖
Classic low-cost polyphosphate that sequesters Ca2+/Ba2+ and threshold-inhibits carbonate scale on RO feed
Physical Description: Polymeric sodium metaphosphates: Clear hygrosco… Solubility: CLEAR, HYGROSCOPIC GLASS; MP 628 °C; SOL IN WAT… Decomposition: When heated to decomposition it emits toxic fum…
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Diethylene Triamine Penta(Methylene Phosphonic Acid) Heptasodium Salt (DTPMP.Na7)
CAS 68155-78-2
Genuine, textbook fit. DTPMP is THE workhorse RO/NF membrane antiscalant — a penta-phosphonate with the broadest threshold-inhibition spectrum across CaCO3, CaSO4 and BaSO4, and the best thermal/high-pH stability of the commodity phosphonates, so it holds at the concentrate tail where LSI peaks. The heptasodium salt is the near-neutral, feed-dosable form (no pH depression on injection). CAS 68155-
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Bis(HexaMethylene Triamine Penta (Methylene Phosphonic Acid)) BHMTPMPA
CAS 34690-00-1
Genuine fit for the specific high-LSI/high-hardness niche this page describes. BHMTPMPA is a high-charge-density, high-molecular-weight phosphonate marketed precisely for scale control where lower phosphonates lose Ca-tolerance and precipitate — i.e. high-hardness, high-alkalinity, elevated-temperature membrane and oilfield service. Directly serves CaCO3/CaSO4/BaSO4 threshold inhibition in the RO
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