化工进展 ›› 2023, Vol. 42 ›› Issue (8): 4424-4431.DOI: 10.16085/j.issn.1000-6613.2022-1778

• 资源与环境化工 • 上一篇    下一篇

菌藻共生技术在工业废水零排放中的应用与展望

郑梦启1,2(), 王成业1,2, 汪炎3, 王伟1,2,3, 袁守军1,2, 胡真虎1,2, 何春华1,2, 王杰3, 梅红3   

  1. 1.合肥工业大学土木与水利工程学院,安徽 合肥 230009
    2.安徽省农村水环境治理与水资源利用工程实验室,安徽 合肥 230009
    3.工业废水及环境治理安徽省重点实验室,安徽 合肥 230022
  • 收稿日期:2022-09-23 修回日期:2022-11-21 出版日期:2023-08-15 发布日期:2023-09-19
  • 通讯作者: 郑梦启
  • 作者简介:郑梦启(1994—),男,博士,讲师,研究方向为工业废水处理技术。E-mail:mqz@hfut.edu.cn
  • 基金资助:
    安徽省自然科学基金(2208085QE175);中央高校基本科研业务费专项资金(JZ2022HGTA0337);工业废水及环境治理安徽省重点实验室资助(DHSZ202209)

Application and prospect of algal-bacterial symbiosis technology in zero liquid discharge of industrial wastewater

ZHENG Mengqi1,2(), WANG Chengye1,2, WANG Yan3, WANG Wei1,2,3, YUAN Shoujun1,2, HU Zhenhu1,2, HE Chunhua1,2, WANG Jie3, MEI Hong3   

  1. 1.School of Civil Engineering, Hefei University of Technology, Hefei 230009, Anhui, China
    2.Anhui Provincial Engineering Laboratory for Rural Water Environment and Resources, Hefei 230009, Anhui, China
    3.Anhui Provincial Key Laboratory of Industrial Wastewater and Environmental Treatment, Hefei 230022, Anhui, China
  • Received:2022-09-23 Revised:2022-11-21 Online:2023-08-15 Published:2023-09-19
  • Contact: ZHENG Mengqi

摘要:

工业废水含有大量的毒性有机物与氮磷营养盐,是导致黑臭水体和富营养化水体的关键源头,因而工业废水零排放成为工业可持续发展的必由之路。菌藻共生技术同时具备有机物降解和碳氮磷固定的优势,日益成为废水零排放战略的研究热点。本文综述了菌藻共生技术去除工业废水中有机物与氮磷的作用机制以及关键影响因素,并就典型工业废水——印染废水、制药废水和石化废水,阐述了菌藻共生技术处理不同废水的特性与难点。此外,环境因子中过度的温度、光照和工业废水中高浓度毒性有机物胁迫微藻营养方式转变,并诱导微生物的强烈氧化应激反应,从而抑制菌藻的生长代谢,降低废水处理效能。因此,本文对菌藻共生技术在工业废水处理中的应用进行展望,需要从预处理工艺和菌藻共生工艺优化着手,削减环境氧化胁迫和增强菌藻生物代谢优势的偶联,并且可通过探索环境因子调控策略实现生物质的定向转化。

关键词: 工业废水, 菌藻共生, 零排放, 氧化胁迫, 生物质转化

Abstract:

Due to amounts of toxic organics and nitrogen and phosphorus nutrients, industrial wastewater is the key source of black-odor water and eutrophic water, and thus zero liquid discharge has become the inevitable course to sustainable industrial development. With the advantages of organic degradation and simultaneous carbon, nitrogen and phosphorus fixation, increasing researcher is located to algal-bacterial symbiosis technology for zero liquid discharge. In this paper, the mechanism and key influencing factors of algal-bacterial symbiosis technology for removing organics, nitrogen and phosphorus from industrial wastewater were reviewed. Meanwhile, the biodegradation characteristics and difficulties of algal-bacterial symbiosis technology were discussed in terms of dyeing wastewater, pharmaceutical wastewater and petrochemical wastewater. Besides, excessive environmental factors and high concentration of toxic organics in industrial wastewater stressed the transformation of microalgae trophic modes, and induced strong reaction of oxidative stress of microorganisms, thus inhibiting their growth and metabolism and also reducing the efficiency of wastewater treatment. Therefore, this paper proposed the prospect: the application of algal-bacterial symbiosis technology in industrial wastewater treatment should reduce reaction of oxidative stress and enhance the coupling of algal-bacterial metabolism advantages by pretreatment process and the enhancement of bacteria algae symbiosis mechanism. Finally, the directional transformation of biomass could be achieved by exploring the regulation strategy of environmental factors.

Key words: industrial wastewater, algal-bacterial symbiosis, zero liquid discharge, oxidative stresses, biomass conversion

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