高含有机硫炼油废碱液的治理研究

doi:10.3863/j.issn.1000-2634.2002.06.022

西南石油大学学报(自然科学版) ›› 2002, Vol. 24 ›› Issue (6): 74- 77.DOI: 10.3863/j.issn.1000-2634.2002.06.022

高含有机硫炼油废碱液的治理研究

郭川梅¹唐晓东¹ 孙刚²刘波²

1. 西南石油学院,四川南充637001 ; 2. 西南油气田分公司川西北气矿

收稿日期:2002-03-26 修回日期:1900-01-01 出版日期:2002-12-20 发布日期:2002-12-20
通讯作者: 郭川梅

ONE APPROACH OF HARNESSING REFINING WASTE ALKALI LIGUOR CONTAININGORGANIC SULFIDES

GUO Chuan-mei TANG Xiao-dong SUN Gang LIU Bo

Southwest Petroleum Institute , Nanchong Sichuan 637001 , China

Received:2002-03-26 Revised:1900-01-01 Online:2002-12-20 Published:2002-12-20
Contact: GUO Chuan mei

摘要/Abstract

摘要： 提出的废碱液酸化O空气汽提治理工艺流程,将部分硫磺回收装置用压缩空气(9. 5 %) 引入废碱液汽提塔,作为汽提空气,汽提出来的H2S、RSH 又随空气去回收硫磺,不仅解决了装置汽提能耗,而且完全回收了硫资源,消除了高含有机硫炼油废碱液对环境的污染。对我国炼油厂加工中东高含硫原油,治理含硫废碱液具有重要意义。最佳试验条件为:98 %硫酸用量84 ml/ L ,酸化pH = 4. 5～5. 5 ,汽提温度90 ℃,汽提时间2. 5 h。汽提处理后废碱液用于生产硫
酸钠或去工程车间稀释排放,排放水总硫< 1 mg/ L 、pH = 7 ,达到GB8987 - 1996 一级排放标准。
　　

关键词: 有机硫废碱液, 酸化O汽提法, 综合治理, 工艺流程, 环境保护

Abstract: The process of acidization of waste alkali liquor and airstrip has been put forward in this paper. Part of compressed air (9. 5 %) used by recovery apparatus is taken into the stripping tower of waste alkali liquor as stripping air and the stripped H2S、RHS go along with air to recover sulfur in the recovering sulfur tower ,which not only saves the energy consumption of air
stripping apparatus , but also fully recovers resources of sulfur and decreases environmental pollution caused by waste alkali containing organic sulfides in oil refining. This approach is of great significance for our refinery in processing the Middle East crude oil with high content of sulfur and harnessing waste alkali liguor containing sulfur. The optimum experimental conditions
are as follows : vitriol (98 %) 84 ml/ L , pH = 4. 5～5. 5 , stripping temperature 90 ℃, stripping time 2. 5h. After the airstrip ,the waste alkali liguor can be used to produce sodium sulfate or be directly discharged after dilution in engineering workshop. The total content of sulfur in discharge water is < 1 mg/ L 、pH = 7 , which reaches the first degree of GB8987 - 1996.

Key words: waste alkali liquor containing organic sulfides, acidizationOairstrip method, comprehensive utilization, process, environment protection

中图分类号:

TE62

郭川梅唐晓东孙刚刘波. 高含有机硫炼油废碱液的治理研究[J]. 西南石油大学学报(自然科学版), 2002, 24(6): 74- 77.

GUO Chuan-mei TANG Xiao-dong SUN Gang LIU Bo. ONE APPROACH OF HARNESSING REFINING WASTE ALKALI LIGUOR CONTAININGORGANIC SULFIDES[J]. 西南石油大学学报(自然科学版), 2002, 24(6): 74- 77.

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高含有机硫炼油废碱液的治理研究

ONE APPROACH OF HARNESSING REFINING WASTE ALKALI LIGUOR CONTAININGORGANIC SULFIDES

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