硫酸盐还原、自养反硝化、氮硝化和厌氧氨氧化(SANIA)集成工艺用于下一代生物废水处理

IF 11.4 1区 环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL
Chu-Kuan Jiang, Yang-Fan Deng, Zou Xu, Buddhima Siriweera, Di Wu, Guang-Hao Chen
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引用次数: 0

摘要

本研究提出了硫酸盐还原、硫化物和硫代硫酸盐混合驱动的自养反硝化、硝化和厌氧氨氧化综合(SANIA)工艺,用于有机物捕获后主流废水的可持续处理。三个移动床生物膜反应器(MBBR)分别用于开发硫酸盐还原(SR)、混合硫化物和硫代硫酸盐驱动的部分反硝化和厌氧氨氧化(MSPDA)以及硝化(N)。合成了典型的有机物捕获后的主流废水(如化学强化一级处理,CEPT),化学需氧量(COD)为110 mg/L,硫酸盐为50 mg/L,铵为30 mg/L。利用MSPDA-MBBR(第一阶段)提供的模拟硝化废水研究了SANIA的可行性,然后在中等温度(25–27℃)下检验了N-MBBR集成的SANIA工艺(第二阶段)的适用性。在第一阶段,建立了SANIA工艺,SR-和MSPDA-MBBR连续操作超过300天(没有厌氧氨氧化生物质接种)。具体而言,在MSPDA-MBBR中,实现了高脱氮率(2.7gN/(m2·d))和厌氧氨氧化率(2.8gN/)),厌氧氨氧化对总无机氮去除率的贡献为81%。在第二阶段,综合SANIA系统连续运行130多天,COD去除率高达90%,铵去除率达93%,无机氮去除率达61%,出水浓度低于10 mg COD/L、3 mg NH4+-N/L和13 mg TIN-N/L。SANIA的实施最终可以减少75%和40%的有机物和生物脱氮的曝气能量。考虑到SANIA与CEPT相结合用于碳捕获和污泥消化/焚烧用于能源回收,新的废水综合技术可能是一种很有前途的可持续废水处理策略。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Sulphate reduction, Autotrophic denitrification, NItrification, and Anammox (SANIA) integrated process for next-generation biological wastewater treatment

This study proposes the Sulphate reduction, mixed sulphide- and thiosulphate-driven Autotrophic denitrification, Nitrification, and Anammox integrated (SANIA) process for sustainable treatment of mainstream wastewater after organics capture. Three moving-bed biofilm reactors (MBBRs) were applied for developing sulphate reduction (SR), mixed sulphide- and thiosulphate-driven partial denitrification and anammox (MSPDA), and nitrification (N), respectively. Typical mainstream wastewater after organics capture (e.g., chemically enhanced primary treatment, CEPT) was synthesized with chemical oxygen demand (COD) of 110 mg/L, sulphate of 50 mg S/L, ammonium of 30 mgN/L. The feasibility of SANIA was investigated with mimic nitrifying effluent supplied in MSPDA-MBBR (Period I), followed by the examination of the applicability of SANIA process with N-MBBR integrated (Period II), under moderate temperatures (25–27 ℃). In Period I, SANIA process was established with both SR- and MSPDA-MBBR continuously operated for over 300 days (no anammox biomass inoculation). Specifically, in MSPDA-MBBR, high rates of denitratation (2.7 gN/(m2·d)) and anammox (2.8 gN/(m2·d)) were achieved with anammox contributing to 81% of the total inorganic nitrogen removal. In Period II, the integrated SANIA system was continuously operated for over 130 days, achieving up to 90% of COD, 93% of ammonium, and 61% of total inorganic nitrogen (TIN) removal, with effluent concentrations lower than 10 mg COD/L, 3 mg NH4+-N/L, and 13 mg TIN-N/L. The implementation of SANIA can ultimately reduce 75% and 40% of organics and aeration energy for biological nitrogen removal. Considering the combination of SANIA with CEPT for carbon capture and sludge digestion/incineration for energy recovery, the new integrated wastewater technology can be a promising strategy for sustainable wastewater treatment.

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来源期刊
Water Research
Water Research 环境科学-工程:环境
CiteScore
20.80
自引率
9.40%
发文量
1307
审稿时长
38 days
期刊介绍: Water Research, along with its open access companion journal Water Research X, serves as a platform for publishing original research papers covering various aspects of the science and technology related to the anthropogenic water cycle, water quality, and its management worldwide. The audience targeted by the journal comprises biologists, chemical engineers, chemists, civil engineers, environmental engineers, limnologists, and microbiologists. The scope of the journal include: •Treatment processes for water and wastewaters (municipal, agricultural, industrial, and on-site treatment), including resource recovery and residuals management; •Urban hydrology including sewer systems, stormwater management, and green infrastructure; •Drinking water treatment and distribution; •Potable and non-potable water reuse; •Sanitation, public health, and risk assessment; •Anaerobic digestion, solid and hazardous waste management, including source characterization and the effects and control of leachates and gaseous emissions; •Contaminants (chemical, microbial, anthropogenic particles such as nanoparticles or microplastics) and related water quality sensing, monitoring, fate, and assessment; •Anthropogenic impacts on inland, tidal, coastal and urban waters, focusing on surface and ground waters, and point and non-point sources of pollution; •Environmental restoration, linked to surface water, groundwater and groundwater remediation; •Analysis of the interfaces between sediments and water, and between water and atmosphere, focusing specifically on anthropogenic impacts; •Mathematical modelling, systems analysis, machine learning, and beneficial use of big data related to the anthropogenic water cycle; •Socio-economic, policy, and regulations studies.
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