无机盐工业
主管:中海油天津化工研究设计院有限公司
主办:中海油天津化工研究设计院有限公司
   中海油炼油化工科学研究院(北京)有限公司
   中国化工学会无机酸碱盐专业委员会
ISSN 1006-4990 CN 12-1069/TQ
无机盐工业

钠碱法脱硫液改进双循环制碱工艺的经济性分析

  • 方 艳 ,
  • 党亚固 ,
  • 张 顺
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  • 四川大学化学工程学院,四川成都 610065
方艳(1994— ),女,在读硕士研究生,研究方向为无机化工工艺开发;E-mail:sunnyfangyan@sina.com。

网络出版日期: 2019-08-23

Economic analysis of sodium?鄄alkali desulfurization solution for improving double?鄄cycle alkali process

  • Fang Yan ,
  • Dang Yagu ,
  • Zhang Shun
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  • School of Chemical Engineering,Sichuan University,Chengdu 610065,China

Online published: 2019-08-23

摘要

对利用钠碱法脱硫液中硫酸钠制碱的改进双循环工艺进行了技术经济分析。此工艺直接运用钠碱法脱硫液作为生产碳酸钠和硫酸铵的原料,具有原料利用率高、无污染排放及能耗低等优点。对6万t/a纯碱项目进行经济性分析,其设备投资为5 590万元,投资利润率为28.25%,内部收益率为19.75%,静态投资回收期为6.81 a,项目经济性较好,对进一步推广钠法脱硫工艺具有重要的指导意义。

本文引用格式

方 艳 , 党亚固 , 张 顺 . 钠碱法脱硫液改进双循环制碱工艺的经济性分析[J]. 无机盐工业, 2019 , 51(7) : 58 -60 . DOI: 10.11962/1006-4990.2018-0480

Abstract

A technical and economic analysis was carried out on an improved double?鄄cycle process using sodium sulfate for alkali production in a sodium?鄄alkali desulfurization solution.The process directly uses the sodium?鄄alkali desulfurization solution as raw material for producing sodium carbonate and ammonium sulfate,which has the advantages of high utilization rate of raw materials,no pollution discharge and low energy consumption.The economic analysis of the 60 000 t/a soda ash project was carried out,the equipment investment was 55.90 million yuan RMB,the investment profit rate was 28.25%,the internal rate of return was 19.75% and the static investment payback period was 6.81 a.The project was of good economics,which had an important guiding significance for further promotion of the sodium desulfurization process.
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