The "Alumina Plant Process Design Standard" is now approved as a national standard, numbered GB/T50530-2022, which will come into force on February 1, 2023. The original national standard "Code for Process Design of Alumina Plants" (GB50530-2010) will be abolished at the same time. This standard is published on the website of the Ministry of Housing and Urban-Rural Development (www.mohurd.gov.cn), and is published by China Planning Publishing House Co., Ltd. organized by the Institute of Standards and Quotas of the Ministry of Housing and Urban-Rural Development. Ministry of Housing and Urban-Rural Development October 31, 2022