石油与天然气化工2025，Vol.54Issue(1)：1-8,8.DOI:10.3969/j.issn.1007-3426.2025.01.001
Cu(Ⅱ)强化铁基离子液体脱硫富液氧化再生性能研究
Study on the oxidative regeneration performance of Cu(Ⅱ)enhancing iron-based ionic liquid desulfurization rich solution
摘要
Abstract
Objective The aim is to solve the problem of low regeneration efficiency in the wet oxidation removal of hydrogen sulfide(H2S)using iron-based ionic liquid[Fe(Ⅲ)-IL],Cu(Ⅱ)was utilized to enhance the regeneration performance of iron-based ionic liquid desulfurization rich solution.Method In order to avoid the interference of unreacted dissolved H2S molecules in the desulfurization rich solution on the regeneration process,a simulated iron-based ionic liquid desulfurization rich solution[Fe(Ⅱ/Ⅲ)-IL]was prepared,and the reliability of the simulated system was verified by characterization such as FT-IR,Raman and CV.Subsequently,Cu(Ⅱ)-IL was introduced into desulfurization rich solution,and poly(ethylene glycol)dimethyl ether(NHD)was added to reduce the viscosity of the desulfurization rich solution.And the composite system of Cu(Ⅱ)-IL+Fe(Ⅱ/Ⅲ)-IL/NHD was constructed.Result When the mass concentration of Cu(Ⅱ)in the composite system was 4.36 g/L,the desulfurization rich solution could be completely regenerated within 120 min.Conclusion By investigating the effects of solvent ratio,Fe(Ⅱ)and Cu(Ⅱ)mass concentrations,water mass fraction,and temperature on the regeneration performance of the desulfurization rich solution,the metal-based ionic liquid desulfurization system has been optimized,which can provide a new choice for adapting to the sustainable development needs of fossil energy exploitation and industrial application processes,such as petroleum and natural gas.关键词
铁基离子液体/硫化氢/脱硫富液再生/铜基离子液体/氧化脱硫Key words
iron-based ionic liquid/hydrogen sulfide/desulfurization rich solution regeneration/copper-based ionic liquid/oxidative desulfurization引用本文复制引用
钟荣强,李金环,白文轩,张丽,余江..Cu(Ⅱ)强化铁基离子液体脱硫富液氧化再生性能研究[J].石油与天然气化工,2025,54(1):1-8,8.基金项目
国家科技重大专项"净化装置尾气SO2减排工艺技术"(2016ZX05017-004) （2016ZX05017-004）
国家自然科学基金"非水介质吸收氧化-电解硫化氢双反应过程耦合及调控"(21076019) （21076019）
国家自然科学基金"高温湿法氧化煤气脱硫新工艺及其应用基础研究"(90610007) （90610007）
国家科学技术部计划(863计划)"高温湿法氧化煤气脱硫技术"(2007AA06Z115) （863计划）
中石化企业内部课题"离子液体天然气脱硫剂研发"(SG20-64K) （SG20-64K）
