There are different kinds of technology to purify the biodiesel.And the ion exchange technology is an efficiency way to make it.Lanlang is supplying biodiesel ion exchange resin since 2005. And many big overseas biodeisel manufacturers come to Lanlang for this resin.It's a dry resin whose moisture content is 5%.Beofre using this resin, you even do not have to do any pre-treatment. It can be used as a desiccant, neutralizing agent and an ion exchanger to remove water, leftover reactants and by-products of the transesterification process.Please see the specificatoin for Lanlang biodiesel resin as below.
Application: Purification and impurity removal of oil, biodiesel
Polymer structure: Gel polystyrene crosslinked with divinylbenzene
Appearance: Amber spherical beads
Functional Group: R-(SO3)-M+
Ionic form as shipped: H+