Home / Standards / GB/T 32931-2016 GB/T 32931-2016 Active Technical specifications for ammonia-based flue gas desulphurization, defluorination and dedusting in aluminum electrolysis process 铝电解烟气氨法脱硫脱氟除尘技术规范 Standard Type GBT ICS 13.020.40 CCS H09 Status 现行 Issue Date 2016-08-29 Implementation 2017-07-01 Responsible Dept 中国有色金属工业协会 Drafting Unit 中国有色金属工业协会