Purolite Ion Exchange Resins - Stop Wet Washing with PD206

Purolite Ion Exchange Resins Eliminate Water Washing

PUROLITE PD206 is a dry polishing media specifically formulated for removing by-products remaining after transesterification to produce biodiesel.

PUROLITE PD206 is designed for use in “purification” vessels installed after phase separation. Point of use can either be before demethylation to remove catalyst and glycerin and prevent back reactions or after demethylation as a “final” polishing step.

This media may replace magnesium silicate “wash” and water wash. PUROLITE PD206 improves plant productivity and lowers operation costs while enabling ASTM or EN specifications for B100 to be achieved.

PUROLITE PD206 has a long life before exhaustion. This life is dependent upon the point of installation in the biodiesel process and on the level of impurities in the untreated biodiesel. PUROLITE PD206 functions both as a dehydrating (desiccant) media and as an ion exchange polishing media.

As a desiccant PUROLITE PD206 has a high loading capacity to absorb free glycerin. Trace methanol and water although being absorbed to a limited degree should be removed by stripping in the demethylation column. Additionally the exceptional exchange capacity removes residual catalyst, and salts that remains after phase separation.

Stop Wet Washing with Purolite PD206 Ion Exchange Resin
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Purolite Ion Exchange Resin

PUROLITE PD206 is flowable both in the dry form and when exhausted, making it easy to handle during installation and removal from “purification” vessels. PUROLITE PD206 is fully compatible for use in methyl ester and ethyl ester purification processes.

PUROLITE PD206 can be washed with methanol on site several time to maintain it's ability to remove glycerin. However it must be ionically regenerated to maintain the ability to remove trace catalyst and soaps.

The actual life of PUROLITE PD206 will vary depending on process designs and operating characteristic of methyl ester feed quality.

Once PUROLITE PD206 is ready for disposal, it should be disposed of in approved landfills or facilities according to local regulations. Check with your local waste management company for proper disposal instructions.

Purolite PD206 Ion Exchange Resins: Stop Wet Washing Your Biodiesel with Purolite PD206

STOP WET WASHING WITH PUROLITE PD206!