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Changes of microbial composition during wastewater reclamation and distribution systems revealed by high-throughput

Yiwen LIN,Dan LI,Siyu ZENG,Miao HE

《环境科学与工程前沿（英文）》 2016年 第10卷 第3期   页码 539-547 doi: 10.1007/s11783-016-0830-5

摘要： This study employed 454-pyrosequencing to investigate microbial and pathogenic communities in two wastewater reclamation and distribution systems. A total of 11972 effective 16S rRNA sequences were acquired from these two reclamation systems, and then designated to relevant taxonomic ranks by using RDP classifier. The Chao index and Shannon diversity index showed that the diversities of microbial communities decreased along wastewater reclamation processes. was the most dominant phylum in reclaimed water after disinfection, which accounted for 83% and 88% in two systems, respectively. Human opportunistic pathogens, including , , and , were selected and enriched by disinfection processes. The total chlorine and nutrients (TOC, NH -N and NO -N) significantly affected the microbial and pathogenic communities during reclaimed water storage and distribution processes. Our results indicated that the disinfectant-resistant pathogens should be controlled in reclaimed water, since the increases in relative abundances of pathogenic bacteria after disinfection implicate the potential public health associated with reclaimed water.

关键词： wastewater reclamation systems     microbial community     pathogenic community     454-pyrosequencing    

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Fabrication of high-performance pervaporation composite membrane for alkaline wastewater reclamation

《化学科学与工程前沿（英文）》 2022年 第16卷 第5期   页码 709-719 doi: 10.1007/s11705-021-2078-2

摘要： Pervaporation desalination has a unique advantage to recycle concentrated salt solutions. The merit can be applied to treat alkaline wastewater if the membrane has superior alkali-resistance. In this paper, we used polyethylene microfiltration membrane as the substrate and deposited a glutaraldehyde crosslinked sodium carboxymethylcellulose layer by spray-coating. Pervaporation flux of the composite membrane reached 35€±€2 kg·m–2·h–1 with a sodium chloride rejection of 99.9%€±€0.1% when separating a 3.5 wt-% sodium chloride solution at 70 °C. The desalination performance was stable after soaking the membrane in a 20 wt-% NaOH solution at room temperature for 9 d and in a 10 wt-% NaOH solution at 60 °C for 80 h. Moreover, the membrane was stable in 4 wt-% sulfuric acid and a 500 mg·L−1 sodium hypochlorite solution. In a process of concentrating a NaOH solution from 5 to 10 wt-% at 60 °C, an average water flux of 23 kg·m–2·h–1 with a NaOH rejection over 99.98% was obtained.

关键词： pervaporation     alkaline solution concentration     polyethylene membrane     acid resistance     chlorine tolerance    

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Development and application of some renovated technologies for municipal wastewater treatment in China

QIAN Yi, WEN Xianghua, HUANG Xia

《环境科学与工程前沿（英文）》 2007年 第1卷 第1期   页码 1-12 doi: 10.1007/s11783-007-0001-9

摘要： China has been experiencing fast economic development in recent decades at the cost of serious environmental deterioration. Wastewater discharge, especially municipal wastewater discharge, and non-point pollution sources are becoming the major water pollution source and research focus. Great efforts have been made on water pollution control and a number of renovated technologies and processes for municipal wastewater treatment and reclamation as well as non-point pollution control have been developed and applied in China. This paper discusses the development and application of the appropriate technologies, including natural treatment systems, anaerobic biological treatment, biofilm reactors and wastewater reclamation technologies, for water pollution control in the country.

关键词： reclamation     Wastewater discharge     renovated     biological treatment     application    

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Controlling various contaminants in wastewater effluent through membranes and engineered wetland

Sarper SARP, Sungyun LEE, Noeon PARK, Nguyen Thi HANH, Jaeweon CHO

《环境科学与工程前沿（英文）》 2009年 第3卷 第1期   页码 98-105 doi: 10.1007/s11783-009-0006-7

摘要： For effective wastewater reclamation and water recovery, the treatment of natural and effluent organic matters (NOM and EfOM), toxic anions, and micropollutants was considered in this work. Two different NOM (humic acid of the Suwannee River, and NOM of US and Youngsan River, Korea), and one EfOM from the Damyang wastewater treatment plant, Korea, were selected for investigating the removal efficiencies of tight nanofiltration (NF) and ultrafiltration (UF) membranes with different properties. Nitrate, bromate, and perchlorate were selected as target toxic anions due to their well known high toxicities. Tri-(2-chloroethyl)-phosphate (TCEP), oxybenzone, and caffeine, due to their different and p values, were selected as target micropollutants. As expected, the NF membranes provided high removal efficiencies in terms of all the tested contaminants, and the UF membrane provided fairly high removal efficiencies for anions (except for nitrate) and the relatively hydrophobic micropollutant, oxybenzon

关键词： wastewater reclamation     natural organic matter (NOM)     effluent organic matter (EfOM)     membranes     wetlands    

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“NEW” resource recovery from wastewater using bioelectrochemical systems: Moving forward with functions

Akshay Jain, Zhen He

《环境科学与工程前沿（英文）》 2018年 第12卷 第4期 doi: 10.1007/s11783-018-1052-9

摘要：

Resource recovery from wastewater is a key function of bioelectrochemical systems.

NEW resources to recover include Nutrient, Energy, and Water.

Identifying proper application niches can guide BES research and development.

More efforts should be invested to the application of recovered resources.

A mindset for energy performance and system scaling is critically important.

关键词： Bioelectrochemical systems     Resource recovery     Wastewater treatment     Energy     Nutrients    

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Fate of microplastics in a coastal wastewater treatment plant: Microfibers could partially break through

《环境科学与工程前沿（英文）》 2022年 第16卷 第7期 doi: 10.1007/s11783-021-1517-0

摘要：

• Fate of microplastics in integrated membrane system for water reuse was investigated.

关键词： Water reclamation     Integrated membrane system     Microplastics     Removal     Coastal zone    

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Concrete corrosion in wastewater systems: Prediction and sensitivity analysis using advanced extreme

Mohammad ZOUNEMAT-KERMANI, Meysam ALIZAMIR, Zaher Mundher YASEEN, Reinhard HINKELMANN

《结构与土木工程前沿（英文）》 2021年 第15卷 第2期   页码 444-460 doi: 10.1007/s11709-021-0697-9

摘要： The implementation of novel machine learning models can contribute remarkably to simulating the degradation of concrete due to environmental factors. This study considers the sulfuric acid corrosive factor in wastewater systems to simulate concrete mass loss using five machine learning models. The models include three different types of extreme learning machines, including the standard, online sequential, and kernel extreme learning machines, in addition to the artificial neural network, classification and regression tree model, and statistical multiple linear regression model. The reported values of concrete mass loss for six different types of concrete are the target values of the machine learning models. The input variability was assessed based on two scenarios prior to the application of the predictive models. For the first assessment, the machine learning models were developed using all the available cement and concrete mixture input variables; the second assessment was conducted based on the gamma test approach, which is a sensitivity analysis technique. Subsequently, the sensitivity analysis of the most effective parameters for concrete corrosion was tested using three different approaches. The adopted methodology attained optimistic and reliable modeling results. The online sequential extreme learning machine model demonstrated superior performance over the other investigated models in predicting the concrete mass loss of different types of concrete.

关键词： sewer systems     environmental engineering     data-driven methods     sensitivity analysis    

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Improvement of detection method of and in reclaimed water

ZHANG Tong, XIE Xing, HU Hongying, SONG Yudong, WU Qianyuan, ZONG Zusheng

《环境科学与工程前沿（英文）》 2008年 第2卷 第3期   页码 380-384 doi: 10.1007/s11783-008-0052-6

摘要： and are two typical species of pathogenic protozoans that seriously endanger water quality. Previous works indicated that detection of and with modified United States Environmental Protection Agency (USEPA) method-1623 using a membrane filtration-elution for sample concentration attained better recovery and lower cost compared to the USEPA method-1623. Several improvements of membrane filtration-elution step as well as immunomagnetic separation (IMS) steps were investigated and an optimized method for detection of and in wastewater reclamation system was recommended in this paper. The experimental results show that an overnight soak of the membrane after scraping and vortex agitation before elution could enhance and stabilize the recovery. Increasing turbidity to 4 NTU by adding kaolin clay before filtration could effectively improve the recovery of low-turbidity water. Washing the concentrate after centrifugation and twice acid dissociation both reduced the impact of water quality to protozoan recovery. Protozoans in different water samples were determined by this optimized method, and the recovery of and were above 70% and 80% respectively, much higher than the acceptance of method-1623.

关键词： USEPA method-1623     Environmental Protection     wastewater reclamation     concentration     centrifugation    

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Quantitative analysis of microplastics in coastal tidal-flat reclamation in Dongtai, China

《环境科学与工程前沿（英文）》 2022年 第16卷 第8期 doi: 10.1007/s11783-022-1528-5

摘要：

• Reclamation projects are important disturbances on microplastic risk in coasts.

关键词： Coastal reclamation     Engineering geotextiles     Soil microplastics     Weathering simulation     Marine emission    

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Investigating the raveling test for full-depth reclamation

Robert HILL, Andrew BRAHAM

《结构与土木工程前沿（英文）》 2018年 第12卷 第2期   页码 222-226 doi: 10.1007/s11709-017-0423-9

摘要： Full-Depth Reclamation (FDR) is a sustainable method of building pavement structure compared to more traditional rehabilitation methods. Traffic is generally returned to an FDR project before a surface course is applied, as water in the FDR needs time to evaporate from the structure. This should not be done too quickly or raveling occurs. Currently, there is no test to quantify the timing of return to traffic. In this study, the “Raveling test of cold mixed bituminous emulsion samples” (ASTM D7196) was used to compare asphalt emulsion and asphalt foam FDR. Asphalt emulsion samples were cured at ambient and 40 °C temperatures, while asphalt foam samples were cured at ambient temperatures. Raveling test data was collected from 0 to 48 hours of curing, however, samples were often not able to withstand fifteen minutes of testing. Therefore, the “time lasted” (the time the raveling head loses contact with the surface of the sample) was recorded. In general, the asphalt emulsion samples that were cured in the oven at 40 °C had a longer time lasted and showed higher potential for determination of return to traffic. In addition, the asphalt emulsion samples had a longer time lasted than the asphalt foam samples at ambient temperatures.

关键词： raveling     full depth reclamation    

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Occurrence and migration of microplastics and plasticizers in different wastewater and sludge treatmentunits in municipal wastewater treatment plant

《环境科学与工程前沿（英文）》 2022年 第16卷 第11期 doi: 10.1007/s11783-022-1577-9

摘要：

● Reduce the quantifying MPs time by using Nile red staining.

关键词： Microplastics     Municipal wastewater treatment plant     Phthalate esters     Thermal hydrolysis    

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全程氨氧化细菌在水和污水处理系统中的发生和作用综述 Review

Naga Raju Maddela, Zhihao Gan, 孟雅冰, 范福强, 孟凡刚

《工程（英文）》 2022年 第17卷 第10期   页码 196-206 doi: 10.1016/j.eng.2021.07.024

摘要：

脱氮是水处理厂和污水处理厂的关键过程。作为一种新型的生物脱氮过程，全程氨氧化（comammox, CMX）细菌的发现颠覆了学术界对于NH3需两步转化为NO3– 的传统认知，拓宽了学术界对NH3生物氧化转化为NO3– 的传统理论。与典型硝化细菌相比，CMX细菌具有显著优势，如高生物量生产率、对营养和生长限制条件的强适应性等，引起了人们对CMX细菌在污水处理中应用潜力的广泛关注。鉴于目前较缺乏关于CMX细菌与可持续水和污水处理过程关联性的全面综述，本文旨在讨论CMX细菌在去除水和污水中氮和污染物的作用及应用。本文从分支和亚分支水平考察了CMX细菌的代谢多样性，并关注CMX细菌在工程系统中的分布、生态位分化、共生关系及CMX细菌与典型硝化细菌的相互作用，更好地了解CMX细菌的生理、生态学特征。此外，本文提出了基于CMX细菌应激反应与反应器适应性的理论过程，并评估了CMX细菌直接或协同降解微污染物的代谢潜力，为CMX细菌在污水处理厂中的广泛应用提供重要理论基础。最后，本文总结了未来的研究方向，这对于深入理解CMX细菌至关重要。

关键词： 全程氨氧化细菌     污水处理     脱氮     微污染物降解     反应器运行    

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充分利用疏浚土加快横沙成陆的构想

周海,唐臣,季岚

《中国工程科学》 2013年 第15卷 第6期   页码 30-34

摘要：

根据横沙东滩促淤圈围工程实施情况，并结合长江口水域港口航道工程建设及疏浚土处理现状，剖析利用长江口疏浚土进行横沙成陆存在的主要问题；按照横沙海洋新城建设规划，分析海洋新城成陆的工程规模及泥沙需求，进而提出充分利用长江口疏浚土加快横沙海洋新城成陆的总体实施原则及方案构想，以及相关有益建议。

关键词： 长江口     疏浚土资源     横沙东滩     加速成陆    

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Microplastics in municipal wastewater treatment plants: a case study of Denizli/Turkey

《环境科学与工程前沿（英文）》 2023年 第17卷 第8期 doi: 10.1007/s11783-023-1699-8

摘要：

● High amounts of microplastics are released to receiving media from WWTPs.

关键词： Microplastics     Wastewater treatment plant     Removal efficiency     Daily discharge    

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畜禽养殖废弃物还田利用模式发展战略

贾伟,臧建军,张强,李德发

《中国工程科学》 2017年 第19卷 第4期   页码 130-137 doi: 10.15302/J-SSCAE-2017.04.021

摘要：

本文介绍我国畜禽养殖废弃物还田利用模式发展概况，分析养殖废弃物循环利用产业发展的问题，探讨下一步的发展战略。总结发现，多年来国内外在探索畜禽养殖废弃物还田利用模式、农田适宜载畜量参数等方面取得了重要的进展，但仍然存在种养结合养分不平衡、各种处理过程养分损失大、农田合理施用粪肥原则缺失等问题。下一步的研究应该以“还田利用，环境友好”为目标，引入种养结合粪便养分管理理念，开展畜禽养殖废弃物的收集—贮存—处理—还田；开展包括优化还田安全利用技术、种养循环过程温室气体减排、农田对养殖废弃物合理消纳量定量、减少氮磷养分损失避免面源污染等方面的研究，同时在政策上引导畜禽养殖废弃物的高效资源化利用。

关键词： 规模化     养殖场     粪便     废水     种养结合     养分    

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标题 作者 时间 类型 操作

Changes of microbial composition during wastewater reclamation and distribution systems revealed by high-throughput

Yiwen LIN,Dan LI,Siyu ZENG,Miao HE

期刊论文

Fabrication of high-performance pervaporation composite membrane for alkaline wastewater reclamation

期刊论文

Development and application of some renovated technologies for municipal wastewater treatment in China

QIAN Yi, WEN Xianghua, HUANG Xia

期刊论文

Controlling various contaminants in wastewater effluent through membranes and engineered wetland

Sarper SARP, Sungyun LEE, Noeon PARK, Nguyen Thi HANH, Jaeweon CHO

期刊论文

“NEW” resource recovery from wastewater using bioelectrochemical systems: Moving forward with functions

Akshay Jain, Zhen He

期刊论文

Fate of microplastics in a coastal wastewater treatment plant: Microfibers could partially break through

期刊论文

Concrete corrosion in wastewater systems: Prediction and sensitivity analysis using advanced extreme

Mohammad ZOUNEMAT-KERMANI, Meysam ALIZAMIR, Zaher Mundher YASEEN, Reinhard HINKELMANN

期刊论文

Improvement of detection method of and in reclaimed water

ZHANG Tong, XIE Xing, HU Hongying, SONG Yudong, WU Qianyuan, ZONG Zusheng

期刊论文

Quantitative analysis of microplastics in coastal tidal-flat reclamation in Dongtai, China

期刊论文

Investigating the raveling test for full-depth reclamation

Robert HILL, Andrew BRAHAM

期刊论文

Occurrence and migration of microplastics and plasticizers in different wastewater and sludge treatmentunits in municipal wastewater treatment plant

期刊论文

全程氨氧化细菌在水和污水处理系统中的发生和作用综述

Naga Raju Maddela, Zhihao Gan, 孟雅冰, 范福强, 孟凡刚

期刊论文

充分利用疏浚土加快横沙成陆的构想

周海,唐臣,季岚

期刊论文

Microplastics in municipal wastewater treatment plants: a case study of Denizli/Turkey

期刊论文

畜禽养殖废弃物还田利用模式发展战略

贾伟,臧建军,张强,李德发

期刊论文