Adsorption of Ultra-High Crosslinked Resin on Waste Water from Benzoic Acid and Sorbic Acid

Bin Liu, Cheng-yuan Hu


Aiming at the simulated production wastewater of benzoic acid and sorbic acid, the adsorption and desorption resource recovery system of ultra-high crosslinked resin ZH-01 was designed and developed, and the influence of ZH-01 on the removal of benzoic acid and sorbic acid production wastewater was studied. The results showed that the removal rates of benzoic acid and sorbic acid were 94.74% and 94.9%, respectively, and the removal rate of CODcr was as high as 91.2%. In addition, the adsorption properties of ZH-01 on benzoic acid and sorbic acid were investigated. When sodium hydroxide was used for resin desorption, the effects of temperature, desorption agent ratio and desorption velocity on resin desorption were investigated. Benzoic acid and sorbic acid were recovered to the maximum extent, and the recycling of benzoic acid and sorbic acid in waste water was realized.

Keywords Ultra high crosslinked resin ZH-01; Simulated production wastewater with benzoic acid and sorbic acid; Resource recovery.

DOI: 10.7176/JRDM/57-05

Publication date:July 31st 2019

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