removing :water,methanol soap,NaOH, organics,glycerin etc. Seplite BD130 is a dried sulfonic acid resin,supplied in hydrogen form.This resin has been developed to purify the raw biodiesel stream after the phase separation step in the manufacture of biodiesel.Fuction:desiccant,neutralizing agent and ion exchanger to remove water,leftover reactant and by-products of the transesterification process, ...