公开(公告)号：US3792153A

公开(公告)日：1974-02-12

申请号：US3792153D

申请日：1972-02-28

Applicant: UNIV CALIFORNIA

Inventor： CREEK S ,  FORRESTER R

IPC: B01J49/00 ,  C01B7/05 ,  C01B17/60 ,  C01B25/22 ,  C01F5/10 ,  C01B25/06

CPC classification number: C01F5/10 ,  B01J49/08 ,  C01B7/055 ,  C01B17/60 ,  C01B25/22

Abstract: AMMONIA AND HYDROGEN CHLORIDE ARE RECOVERED FROM AMMONIUM CHLORIDE BY INTERACTION WITH MAGNESIUM OXIDE. THE MAGNESIUM OXIDE IS NOT LOST IN THE REACTION, BUT IS RECYCLED AGAIN AND AGAIN. THE FREE AMMONIA AND HYDROGEN CHLORIDE FIND UTILITY IN MANY INDUSTRIAL PROCESSES, E.G., THE PRODUCTION ALKALI METAL BICARBONATES AND CARBONATES, ION EXCHANGE REGENERATION AND THE LIKE. TO BE OPERATIVE IN THE PRODUCTION PROCESS, MGO MUST BE PREPARED UNDER CAREFULLY CONTROLLED CONDITIONS OF TEMPERATURE.