氨糖发酵废液的扩散渗析-电渗析耦合脱酸及有机物回收研究
作者：王玉祺， 曹东海， 刘蕊， 陈舒婷， 董黎明， 于素萍
单位： 北京工商大学, 中国轻工业清洁生产和资源综合利用重点实验室, 国家环境保护食品链污染防治重点实验室, 北京 100048
关键词： 扩散渗析； 电渗析； 发酵废液； 有机物回收
DOI号： 10.16159/j.cnki.issn1007-8924.2026.01.014
分类号： X703； TQ028
出版年,卷(期):页码： 2026,46(1):140-153

摘要：
针对氨基葡萄糖发酵废液酸性强且残留大量有机物，采用扩散渗析(DD)预处理脱除废液中部分酸，之后利用电渗析(ED)对0级、1级和2级扩散渗析处理液进一步脱酸同时回收有机物，并进行生命周期评价。结果表明，扩散渗析可脱除约50%的酸，氨基葡萄糖盐酸盐(GlcN·HCl)因静电干扰、含量高而对H+传质的影响最大，使传质系数降低61.1%。ED过程脱酸率达99.9%，浓室和极室对GlcN·HCl的回收率共达80%以上。2级扩散渗析耦合电渗析比0级扩散渗析耦合电渗析GWP（气候变化潜值）减少7.40×10-2 kg CO2 eq/L。可见，多级DD-ED可有效节能并实现对废液脱酸和有机物的分离，为工业应用提供理论支持。
 
For glucosamine fermentation waste liquid with strong acidity and a large amount of residual organic matter, this study employed diffusion dialysis (DD) to pretreat the waste liquid and remove part of  acid. Subsequently, electrodialysis was used to further deacidify the zero-stage, first-stage and second-stage diffusion dialysis treated liquid and recover the organic matter at the same time. A life cycle assessment was also conducted. Results showed that DD removed approximately 50% of the acid. The high concentration of glucosamine hydrochloride (GlcN·HCl) caused the strongest inhibition of H+ mass transfer due to electrostatic interference, reducing the mass transfer coefficient by 61.1%. The ED process achieved an acid removal efficiency of 99.9%, with combined recovery of GlcN·HCl in the concentrate and electrode compartment exceeding 80%. The GWP value of the two-stage DD-ED process was 7.40×10-2 kg CO2 eq/L lower than that of the zero-stage DD-ED process. Thus, the multi-stage DD-ED process effectively saved energy, separated acid from organic matter in waste liquid, and provided theoretical support for industrial application.

基金项目：
国家自然科学基金项目(41861124004)

作者简介：
王玉祺（2001-），女，河北石家庄人，硕士研究生，主要研究方向为清洁生产与资源的综合利用

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