... resin can effectively remove water, methanol ,soap , glycerin,etc. Seplite BD130 is a dried sulfonic acid resin,supplied in hydrogen form.This resin ... .Fuction:desiccant,neutralizing agent and ion exchanger to remove water,leftover reactant and by-products of the transesterification process ... .Seplite BD130 greatly simplifies biodiesel purification. BD 130 resin media for biodiesel water removal