| 摘要 |
-i- PATENT APPLICATION OF Franco Sivieri for HYDRATION OF SULFONATED CATION EXCHANGE RESINS During the removal of sulfuric acid from a bed of sulfonated cation exchange resin beads, thermal shock to the beads and production of waste sulfuric acid may be minimized by passing discrete amounts of aqueous sulfuric acid of decreasing concentration downwardly through the bed. |
