Smoky, Vanilla, or Clove-Like?

Ghadiriasli, Rahil; Lorber, Katja; Wagenstaller, Maria; Buettner, Andrea

doi:10.1021/bk-2019-1321.ch004

Cited by 1 publication

(2 citation statements)

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“…[5][6][7] The pure 4-chloroguaiacol is a yellowish oily liquid with a sweet vanilla odor. 8 It can be used to synthesis diaryl sulfides, 9 alkyl diphenyl ethers 10 phenolic derivatives, 11 bicyclic derivatives, 12 etc. Therefore, as an important chemical intermediate, 4-chloroguaiacol is widely used as a raw material for various chemicals and has broad application prospects.…”

Section: Introductionmentioning

confidence: 99%

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Recovery of high‐purity‐4‐chloroguaiacol from bleaching wastewater by a heterogeneous extraction method

Hu,

Lei,

Luo

et al. 2023

J of Chemical Tech & Biotech

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In this paper, a heterogeneous extraction method for extracting 4‐chloroguaiacol from the bleaching wastewater by using the intermediate as the solid phase extraction agent is proposed. The solid intermediate with the molar ratio of 4‐chloroguaiacol to calcium 2:1 is firstly prepared. It is used for reacting with the crude 4‐chloroguaiacol in the bleaching wastewater to generate the end solid complex with the molar ratio of 4‐chloroguaiacol to calcium 4:1. It is verified to be that the high‐purity 4‐chloroguaiacol can be released from the simple thermal decomposition of the end solid complex. At an optimum extraction condition including 30 °C reaction temperature, the pH value of 7, using the deionized water as the solvent, the extraction yield and the purity of 4‐chloroguaiacol reached 89.2% and 97.8%. Furthermore, after 15 cycle extraction times, the extraction rate of 4‐chloroguaiacol can still reach 86.3%. The extraction yield and the purity of 4‐chloroguaiacol reached 68.15% and 99.56% when the guaiacol content was lower than 25 mg/L at the bleaching wastewater.This article is protected by copyright. All rights reserved.

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Section: Introductionmentioning

confidence: 99%

“…Among these, 4‐chloroguaiacol accounts for a large proportion of these chlorine‐containing pollutants 5‐7 . The pure 4‐chloroguaiacol is a yellowish oily liquid with a sweet vanilla odor 8 . It can be used to synthesis diaryl sulfides, 9 alkyl diphenyl ethers 10 phenolic derivatives, 11 bicyclic derivatives, 12 etc .…”

Section: Introductionmentioning

confidence: 99%