Preparation of <i>p</i>-Hydroxybenzaldehyde by Hydrolysis of Diazonium Salts Using Rotating Packed Bed

张巧玲; 刘有智; 李光明; 李军平

doi:10.1016/S1004-9541(09)60190-7

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Preparation of p-Hydroxybenzaldehyde by Hydrolysis of Diazonium Salts Using Rotating Packed Bed

Updated：2026-01-06

- Preparation of p-Hydroxybenzaldehyde by Hydrolysis of Diazonium Salts Using Rotating Packed Bed
- Chinese Journal of Chemical Engineering Vol. 19, Issue 1, Pages: 140-144(2011)
- Affiliations：
  
  Research Center of Shanxi Province for High Gravity Engineering and Technology, College of Chemical Engineering and Environment, North University of China,Taiyuan,China,030051
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(09)60190-7
  CLC：
- Published：2011
- Accepted：
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-Hydroxybenzaldehyde by Hydrolysis of Diazonium Salts Using Rotating Packed Bed[J]. , 2011, 19(1): 140-144.
DOI：

-Hydroxybenzaldehyde by Hydrolysis of Diazonium Salts Using Rotating Packed Bed[J]. , 2011, 19(1): 140-144. DOI： 10.1016/S1004-9541(09)60190-7.

摘要

Abstract

A new type of reactor

featured with impinging stream-rotating packed bed(IS-RPB)and coil pipes

was designed and used to prepare

-hydroxybenzaldehyde(PHB)by hydrolysis from diazonium salts.The influence of operating parameters

such as reaction temperature

reaction time and high gravity factor

on the yield of PHB was investigated.Compared with the traditional kettle-type reactor

the yield of PHB with the new reactor is increased significantly and the reaction time is much shorter.Under the optimum conditions

the yield of PHB is increased from 51% to 84.1%.The reactor offers an opportunity for replacing the traditional batch mode operation with a continuous process.

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Preparation of p-Hydroxybenzaldehyde by Hydrolysis of Diazonium Salts Using Rotating Packed Bed

DOI：10.1016/S1004-9541(09)60190-7

摘要

Abstract

关键词

Keywords

references