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STUDY ON THE TREATMENT OF 3—PHENOXY—BENZALDEHYDE INDUSTRIAL WASTEWATER WITH POLYMERIC ADSORBENT 被引量:5
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作者 ZhuShiyun chenjinlong 《Chinese Journal of Reactive Polymers》 1998年第2期22-31,共10页
In this paper,the two effluents from PBA (3-phenoxy-benzaldehyde) production process were treated by polymeric adsorbent CHA-111.PBA or PBC (3-phenoxy-benzoic acid) was recovered from the wastewater in the process of ... In this paper,the two effluents from PBA (3-phenoxy-benzaldehyde) production process were treated by polymeric adsorbent CHA-111.PBA or PBC (3-phenoxy-benzoic acid) was recovered from the wastewater in the process of neutralization.As a secondary treatment method,adsorption with CHA-111 showed better efficiency than photocatolytic decomposition and solvent extraction.The optimal technological parameters were:adsorption:current velocity:2.0BV/hr(bed volume per hour),room temperature;desorption:current velocity:2.0BV/hr(bed volume per hour),room temperature;desorption:current velocity:1.0 BV/hr,80℃,8% sodium hydroxide aqueous solutions.In conclusion,99.9% COD in the neutralizing wastewater and 98.4% COD in the hydrolysis wastewater are removed successfully. 展开更多
关键词 聚合吸附剂 3-苯氧基苯甲醛 废水处理
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ADSORPTION OF PHENYLACETIC ACID ON MACROPOROUS POLYMERIC ADSORBENTS
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作者 PANBingcai chenjinlong 《Chinese Journal of Reactive Polymers》 2002年第1期61-68,共8页
Several macroporous polymeric adsorbents (NDA-999, XAD-8, X-5 and XAD-2) were employed in the study to adsorb phenylacetic acid from aqueous solution. Effect of salt and ambient temperature on adsorption was studied u... Several macroporous polymeric adsorbents (NDA-999, XAD-8, X-5 and XAD-2) were employed in the study to adsorb phenylacetic acid from aqueous solution. Effect of salt and ambient temperature on adsorption was studied using NDA-999 adsorbent and the adsorption process conforms to Freundlich抯 model reasonably. Adsorption dynamics were conducted in batch experiments in order to make clear the mechanism of adsorption process. It is proved that the squared driving force mass transfer model can be adopted to elucidate the process. The treatment process of industrial wastewater containing high strength of phenylacetic acid was proposed for cleaner production of phenylacetic acid. 展开更多
关键词 吸附作用 苯乙酸 苯醋酸 大孔聚合吸附剂 废水处理
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TREATMENT AND RESOURCE REUSE OF WASTEWATER FROM NAPHTHOL AS-E PRODUCTION PROCESS
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作者 ZHANGWeiming chenjinlong 《Chinese Journal of Reactive Polymers》 2001年第1期45-52,共8页
The wastewater from naphthol As-E production process was treated with macroporous polymeric adsorbent NDA-222. Naphthol As-E and 2,3-acid in the wastewater could be removed completely and the Total Organic Carbon (TOC... The wastewater from naphthol As-E production process was treated with macroporous polymeric adsorbent NDA-222. Naphthol As-E and 2,3-acid in the wastewater could be removed completely and the Total Organic Carbon (TOC) of the wastewater was decreased more than 98% from 1655mg/L to less than 30mg/L. The adsorbates could be desorbed completely with NaOH aqueous solution. 展开更多
关键词 废水处理 资源 再利用
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