CA1500D
CA1500D is a gel-type polishing medium / catalyst supplied in dry form. Main applications: biodiesel purification and removal of glycerin from biodiesel (cation resin for biodiesel refining). Key advantage: dry shipment.
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Product Introduction
CA1500D is a gel-type polishing medium / catalyst supplied in dry form. Main applications: biodiesel purification and removal of glycerin from biodiesel (cation resin for biodiesel refining). Key advantage: dry shipment.
Typical Physical & Chemical Properties
| Polymer matrix | Gel-type polystyrene crosslinked with divinylbenzene |
|---|---|
| Appearance | Hard spherical beads |
| Functional group | Sulfonic acid |
| Ionic form | H+ form |
| Dry weight capacity (min) | 4.9 eq/kg |
| Particle size distribution | 300 - 1200 µm |
| < 300 µm (max) | 1 % |
| Uniformity coefficient (max) | 1.7 |
| Specific gravity | 1.2 |
| Packaging density (approx.) | 755 - 790 g/L (47.2 - 49.4 lb/ft³) |
| Temperature limit | 120 °C (248.0 °F) |
Handling, Storage & Loading Notes
- Transport & storage. Store the resin in its wet state, preferably above 0 °C. For long idle periods, keep the container closed or add brine of ≥5% NaCl. Protect from freezing during transport, and do not stack heavy objects on top of the resin to avoid crushing the beads.
- Pre-treatment. For general requirements, one alkaline → water → acid → water cycle is sufficient; for strict requirements, perform three cycles and finish with the required ionic form.
- Loading. Allow for the swelling on form conversion and leave enough freeboard to prevent overflow while keeping a proper liquid level. Keep the column aspect ratio in a reasonable range to avoid channeling. Load wet or backwash to remove air bubbles from the bed.
- Feed quality. Before entering the resin column, the liquid should be coagulated, filtered or sand-filtered to ensure it is free of suspended solids that could clog the resin pores.
- Idle columns. Resin left idle in a column for a long time must be washed out and stored clean, or kept submerged in brine; it must never dehydrate. Backwash from time to time to loosen the bed and prevent caking.