Primary Distillation Capacity and Secondary Conversion Capacity Home › Forums › Petro Solutions Forum › Process Operations › Primary Distillation Capacity and Secondary Conversion Capacity Tagged: conversion, distillation, refinery This topic has 0 replies, 1 voice, and was last updated 2 years, 5 months ago by Nasir Hussain. You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In Log in / Register