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Datasheet summary

RoQuest-FS

Engineering summary from PDF text extraction for RoQuest-FS. Verify every value with the OEM datasheet.

Summary

Product identification

  • Product Name: RoQuest® FS
  • Type: Liquid coagulant
  • Active Ingredient: Ferric sulfate

Operating limits

  • Injection Location: At least 15 feet (5 m) upstream of multimedia filters.
  • Dosing: Typically 1-10 mg/l.
  • Dilution: Feed into the process stream as supplied.
  • Storage: Protect from freezing.

Feed water

  • Enhances filter performance by removing colloids, silt, and many organic molecules.
  • Effective on waters with high amounts of organics.
  • Suitable for shallow surface waters where polyelectrolyte enhancement is not allowed.

Product water

  • Produces an improved filtrate.
  • Capable of producing RO quality feedwater when used with multimedia and sand filters.

Specifications

  • Appearance: Clear brown liquid
  • pH (1% solution): 0.4-1.4
  • Specific gravity (@ 20°C): 1.5-1.6
  • Soluble ferric ion: More than 12%

Performance benefits

  • Approved for offshore use.
  • Filter-aid properties resist solids breakthrough in direct filter applications.
  • Low dosage requirements and effective over a wide pH range.
  • Compatible with polyamide and cellulose acetate RO membranes.
  • Compatible with all Vitec® antiscalants.

Packaging and Storage

  • Formats: Pail, Drum (23 kg), IBC tote (300 kg, 1580 kg). Drumless or bulk tanker delivery available on request.

Disclaimer: This extraction may miss figures, footnotes, or revisions. Contractual data must match the OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror

Curated from selected public technical reference material for discovery and preliminary comparison. This summary is not a substitute for a current certified manufacturer datasheet. Verify revisions and design limits before use.