Cleaner production through enhanced resource recovery and reuse in dye intermediates industry: Integration of Vinyl Sulphone with H-acid production

Prabhu, Shardul D.; Asolekar, Shyam R.

doi:10.1016/j.jclepro.2022.134079

Journal of Cleaner Production

2022

DOI: 10.1016/j.jclepro.2022.134079

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Cleaner production through enhanced resource recovery and reuse in dye intermediates industry: Integration of Vinyl Sulphone with H-acid production

Shardul D. Prabhu

Shyam R. Asolekar

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Cited by 5 publications

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Selective adsorption of aromatic sulfonic acid from wastewater using a surface imprinted polymer: H‐acid as a representative contaminant

Yao,

Sun,

Liu

et al. 2024

Can J Chem Eng

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Aromatic sulfonic acids (ASAs) play a pivotal role as essential intermediates in numerous industrial manufacturing, while a large amount wastewater with various ASAs and high concentration of inorganic salts is subsequently generated. The effective separation and removal of ASAs from wastewater is challenging due to their complex chemical composition and the limited selectivity of common adsorbents. Herein, a novel surface imprinted polymer (H‐SIP) with high selectivity and excellent salt resistance was designed with PEI/Cl‐PS‐DVB as the carrier and 1‐amino‐8‐naphthol‐3,6‐disulfonic acid (H‐acid) as the target pollutant. Compared to non‐imprinted polymer (NIP), H‐SIP exhibited superior salt resistance in the presence of Na2SO4 concentration ranging from 20 to 80 mg/L. The relative selectivity coefficients determined in the binary‐solutes experiments proved that H‐SIP demonstrated favourable selectivity towards H‐acid in binary systems of H‐acid/T‐acid or H‐acid/2‐NSA. Moreover, H‐SIP could effectively treat the simulated complex wastewater within 24 bed volume (BV) in the column adsorption, and the desorption rate exceeded 90% when eluted by NaOH solution and distilled water, respectively. Therefore, these results confirmed that surface imprinting technique was a promising method for effectively and selectively removal of ASA wastewater in the application.

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Selective adsorption of aromatic sulfonic acid from wastewater using a surface imprinted polymer: H‐acid as a representative contaminant

Yao,

Sun,

Liu

et al. 2024

Can J Chem Eng

View full text Add to dashboard Cite

show abstract

A new sustainable wastewater management: Simultaneous mineralization and dehalogenation treatment of high salinity dye wastewater

Xu,

Chi,

Tian

et al. 2024

Journal of Cleaner Production

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A review on sustainable mesoporous activated carbon as adsorbent for efficient removal of hazardous dyes from industrial wastewater

Kumar

Pandey

Rosy

et al. 2023

Journal of Water Process Engineering

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Cleaner production through enhanced resource recovery and reuse in dye intermediates industry: Integration of Vinyl Sulphone with H-acid production

Cited by 5 publications

References 11 publications

Selective adsorption of aromatic sulfonic acid from wastewater using a surface imprinted polymer: H‐acid as a representative contaminant

Selective adsorption of aromatic sulfonic acid from wastewater using a surface imprinted polymer: H‐acid as a representative contaminant

A new sustainable wastewater management: Simultaneous mineralization and dehalogenation treatment of high salinity dye wastewater

A review on sustainable mesoporous activated carbon as adsorbent for efficient removal of hazardous dyes from industrial wastewater

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