LEWATIT® S 6368 Sulfate

Summary

Product identification

Lewatit® S 6368 sulfate is a food grade, macroporous, monodisperse, strongly basic (type I) anion exchange resin based on a styrene-divinylbenzene copolymer.

Common Description: SO₄²⁻ Functional group: Quaternary ammonium, Type 1 Matrix: Styrenic Structure: Macroporous Appearance: Beige, opaque Delivery form: Specified Data

Operating limits

• Stability pH range: 0-14
• Stability temperature range: 1-85 °C (Cl form)
• Operating temperature: max. 70 °C (OH form)
• Operating pH range during exhaustion: 0-12
• Max. pressure loss during operation: 300 kPa

Feed water

In its hydroxide form, Lewatit® S 6368 sulfate is suitable for the removal of acid and simultaneous decolorisation of solutions of organic substances, e.g. sugar, gelatine, glycerine, grape must, whey, fruit concentrates etc.

If treating potable water and the aqueous solutions listed above, special care should be given to the initial cycles of the new resin. Please refer to the recommended start-up conditions available on request.

Product water

Not specified in the extract.

Electrical

Not specified in the extract.

Mechanical / hydraulic

• Uniformity coefficient: max. 1.1
• Mean bead size (d₅₀): 0.55-0.67 mm
• Total capacity (delivery form): min. 1.1 eq/L
• Bulk density for shipment (+/- 5%): 650 g/L
• Density: approx. 1.1 g/mL
• Water retention (delivery form): approx. 58-63 wt.%
• Volume change (Cl⁻ - OH⁻): max. approx. 22 %
• Bed depth for single column: min. 800 mm
• Bed depth per component in mixed bed: min. 500 mm
• Backwash bed expansion per m/h (20°C): 12 %
• Specific pressure loss (15°C): 0.75 kPa*h/m²
• Specific flow rate: max. 5 BV/h
• Freeboard during backwash: min. 80-100 vol.%

Regeneration

• NaOH regeneration concentration: approx. 2-6 wt.%
• NaOH regeneration quantity (co-current): min. 90 g/L resin
• NaOH regeneration quantity (counter-current): min. 50 g/L resin
• Regeneration contact time: min. 20 minutes
• Slow rinse at regeneration flow rate: min. 2 BV
• Fast rinse at service flow rate: min. 4 BV

Storage and Handling

• Storage temperature range: -20 - +40 °C
• Storage time (after delivery): min. 2 years
• Storage conditions: Store under roof in dry conditions without exposure to direct sunlight, above the freezing point of water.
• Frozen resin: If resin becomes frozen, allow it to thaw gradually at ambient temperature before handling or use. Do not accelerate thawing.
• Safety precautions: Avoid contact with strong oxidants like nitric acid. Consult the safety data sheet for further information on product description, transport, storage, handling, safety, and ecology.
• Disposal: Dispose of ion exchange resins according to European waste nomenclature within the European Community.

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