DECOMPOSITION OF SPENT ALKYLATION SULFURIC-ACID TO PRODUCE SULFUR-DIOXIDE AND WATER

被引：7

作者：

SUNG, S ^{[1
]}

SZECHY, G ^{[1
]}

ALBRIGHT, LF ^{[1
]}

机构：

[1] PURDUE UNIV,SCH CHEM ENGN,W LAFAYETTE,IN 47907

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 1993年 / 32卷 / 11期

关键词：

D O I：

10.1021/ie00023a008

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

When sulfuric acid is used as the catalyst for the alkylation of isobutane with C3-C5, olefins, high-quality gasoline is produced in addition to small amounts of conjunct polymers, sulfur dioxide, and water. The latter two compounds are undesired byproducts formed by reactions between conjunct polymers and sulfuric acid. Both compounds are also formed during storage and transportation of the used sulfuric acid before it is regenerated to produce concentrated acid. The kinetics of the reactions between conjunct polymers and sulfuric acid were investigated from 10 to 60-degrees-C for acids of different compositions; a kinetic equation was then developed. The formation of sulfone and hydroxyl groups on the conjunct polymers is also discussed. Up to several percent of a used acid can decompose during storage or transportation, if the acid is not handled correctly.

引用

页码：2490 / 2494

页数：5

共 13 条

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