铜和镍离子对好氧颗粒污泥处理效果的影响及改进策略

刘欣悦; 高峰; 舒诗湖

铜和镍离子对好氧颗粒污泥处理效果的影响及改进策略

东华大学环境科学与工程学院，上海 201620

基金项目: 上海市科技创新行动计划资助项目（19DZ1204400）

详细信息

作者简介:
刘欣悦（1997−），女，在读硕士，研究方向为水处理及污染控制技术. E-mail：liuxinyue9707@163.com

通讯作者:
舒诗湖（1981−），男，教授，博士，研究方向为市政工程. E-mail：shushihu@dhu.edu.cn

中图分类号: TU 992
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- 被引次数: 0
出版历程
- 收稿日期: 2020-07-02
- 刊出日期: 2020-12-30

Effect of Copper and Nickel Ions on Aerobic Granular Sludge Treatment and Improvement Strategy

College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China

摘要

摘要: 好氧颗粒污泥由于具有微生物量丰富、抗冲击负荷能力强等优点，成为目前处理印染废水的主流方法之一，但印染废水中存在的Cu²⁺和Ni²⁺会对好氧颗粒污泥处理过程产生各种影响,使好氧颗粒污泥的处理效果下降. 通过梳理文献分析Cu²⁺和Ni²⁺对好氧颗粒污泥微生物种群分布、污泥絮凝沉降性、反应动力学的影响，根据Cu²⁺和Ni²⁺对好氧颗粒污泥产生的不同影响提出采取预处理、解吸、调整工艺参数等改进策略. 通过采用改进策略，可使好氧颗粒污泥在不利条件下仍能有效处理印染废水. 研究结论为好氧颗粒污泥进一步探索与应用提供建议.
- 好氧颗粒污泥 /
- 印染废水 /
- 运行参数 /
- 好氧呼吸
Abstract: Aerobic granular sludge has become one of the mainstream methods for the treatment of printing and dyeing wastewater due to its rich microbial biomass and strong impact resistance. However, the presence of Cu²⁺ and Ni²⁺ in the printing and dyeing wastewater will have various effects on the aerobic granular sludge treatment process, which will reduce the treatment effect of aerobic granular sludge. Based on the literature review, the effects of Cu²⁺ and Ni²⁺ on the microbial population distribution of aerobic granular sludge, sludge flocculation and sedimentation, and reaction kinetics were analyzed. According to the different effects of Cu²⁺ and Ni²⁺ on aerobic granular sludge, improvement strategies such as pretreatment, desorption and adjustment of process parameters were proposed. By adopting improved strategies, aerobic granular sludge can still effectively treat printing and dyeing wastewater under adverse conditions. The research results provide suggestions for further exploration and application of aerobic granular sludge.
- aerobic granular sludge /
- printing and dyeing wastewater /
- operating parameters /
- aerobic respiration

HTML全文

图 1 重金属离子浓度对好氧颗粒污泥SOUR的影响

Figure 1. Effect of heavy metal ion concentration on SOUR of aerobic granular sludge

下载: 全尺寸图片幻灯片

图 2 pH值对吸附量的影响

Figure 2. Effect of pH value on adsorption capacity

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表 1 铜和镍离子的危害及排放标准

Table 1. Hazards and emission standards of copper and nickel ion

项目	Cu²⁺	Ni²⁺
存在形式	常以硫酸铜、氰化亚铜、焦磷酸铜等形式存在	常以氯化镍、硫酸镍等形式存在
危害	易引起皮炎、湿疹、呼吸系统等疾病；对低等生物和农作物毒性大	可造成严重的肺和肾脏问题、皮肤发炎、大脑脊椎损害等
处理方法	离子交换法、电解法、膜处理法、生物法等	中和沉淀法、硫化钠沉淀法、生物法等
排放标准/（mg·L⁻¹)	2.0（三级标准）	1.0

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