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1. The impact of powdered keramsite on activated sludge and wastewater treatment in a sequencing batch reactor

Author:
Masłoń, Adam; Tomaszek, Janusz A.; Zamorska, Justyna; Zdeb, Monika; Piech, Adam; Opaliński, Ireneusz; Jurczyk, Łukasz
Source:
Journal of environmental management 2019 v.237 pp. 305-312
ISSN:
0301-4797
Subject:
wastewater treatment,   etc   ; activated sludge; bioreactors; clay; powders;     Show all 5 Subjects
Abstract:
... As the efficiency of biological wastewater treatment in activated sludge systems can be increased if powdered mineral materials are added, the work described here investigated the effect of powdered keramsite on activated sludge and wastewater treatment in a sequencing batch reactor on the laboratory scale. Specifically, experiments were carried out on two sequencing batch reactors, with the refer ...
DOI:
10.1016/j.jenvman.2019.02.035

2. Model-based opti mization of phosphorus management strategies in Sur WWTP, Madrid

Author:
Lizarralde, I.; Fernández-Arévalo, T.; Manas, A.; Ayesa, E.; Grau, P.
Source:
Water research 2019 v.153 pp. 39-52
ISSN:
0043-1354
Subject:
wastewater treatment,   etc   ; mathematical models; phosphorus; pollutants; wastewater;     Show all 5 Subjects
Abstract:
... Phosphorus has been considered as a pollutant to be removed from the wastewater. In the last years, however, it has been considered a valuable asset that needs to be recovered due to its shortage in nature. The study of optimum phosphorus management in wastewater treatment plants is not straightforward, due to the complexity of technologies and configurations that may be applied for phosphorus rem ...
DOI:
10.1016/j.watres.2018.12.056

3. Feasibility of industrial-scale treatment of dye wastewater via bio-adsorption technology

Author:
Li, Wei; Mu, Bingnan; Yang, Yiqi
Source:
Bioresource technology 2019 v.277 pp. 157-170
ISSN:
0960-8524
Subject:
wastewater treatment,   etc   ; adsorption; desorption; dyes; pollution; wastewater;     Show all 6 Subjects
Abstract:
... This review emphasizes the importance of costs in industrial-scale treatment of dye wastewater and provides a way to assess the cost-based feasibility of bio-adsorption technologies. Dye wastewater is one of the major contributors to environmental pollution. Bio-adsorption has attracted considerable attentions in dye wastewater treatment due to its technical feasibility, flexibility and operation ...
DOI:
10.1016/j.biortech.2019.01.002

4. Experimental analysis of a novel ozone generator configuration for use in water treatment applications

Author:
Draou, Abdelkader; Nemmich, Said; Nassour, Kamel; Benmimoun, Youcef; Tilmatine, Amar
Source:
TheInternational journal of environmental studies 2019 v.76 no.2 pp. 338-350
ISSN:
1029-0400
Subject:
wastewater treatment,   etc   ; energy efficiency; models; ozone;     Show all 4 Subjects
Abstract:
... Volume dielectric barrier discharge (VDBD) is considered to be the most effective method for ozone generation. This paper reports a comparison between a simple ‘classic’ VDBD cylindrical ozone generator and a ‘metallic-mesh-filled-air-gap cylindrical dielectric barrier discharge’ model. The obtained results show that although the majority of ozone generators are of the volume discharge type, the n ...
DOI:
10.1080/00207233.2018.1499698

5. Designed and real hydraulic load of household wastewater treatment plants

Author:
Bugajski, Piotr M.; Kurek, Karolina; Młyński, Dariusz; Operacz, Agnieszka
Source:
Journal of water and land development 2019 v.40 no.1 pp. 155-160
ISSN:
2083-4535
Subject:
wastewater treatment,   etc   ; pollutants; sewage; sewage treatment;     Show all 4 Subjects
Abstract:
... The paper presents the results of the analysis concerning the verification of the actual hydraulic load and the load of organic pollutants compared to the conditions designed for 4 household wastewater treatment plants. The researches were carried out in the annual period from May 2015 to April 2016. Based on the conducted analysis, it was found that objects act as underloaded hydraulically and th ...
DOI:
10.2478/jwld-2019-0017

6. Dynamic characteristics of soluble microbial products in a granular sludge reactor

Author:
Xie, Wen-Ming; Qiao, Li-Li; Fang, Fang; Li, Wen-Wei; Meng, Han; Wang, Guo-Xiang; Zhang, Li-Min
Source:
Journal of cleaner production 2019 v.212 pp. 576-581
ISSN:
0959-6526
Subject:
wastewater treatment,   etc   ; bioreactors; granules; polysaccharides; sludge;     Show all 5 Subjects
Abstract:
... Soluble microbial products constitutes a major fraction of organic matters in biological wastewater treatment effluent, severely challenging downstream deep purification treatment processes. Effective control of soluble microbial products necessitate a full understanding on soluble microbial products properties in biological bioreactors, including the rapidly developing aerobic granular sludge sys ...
DOI:
10.1016/j.jclepro.2018.12.082

7. Understanding and optimization of the flocculation process in biological wastewater treatment processes: A review

Author:
Suresh, Akshaykumar; Grygolowicz-Pawlak, Ewa; Pathak, Santosh; Poh, Leong Soon; Abdul Majid, Maszenan bin; Dominiak, Dominik; Bugge, Thomas Vistisen; Gao, Xin; Ng, Wun Jern
Source:
Chemosphere 2018 v.210 pp. 401-416
ISSN:
0045-6535
Subject:
wastewater treatment,   etc   ; flocculation; sludge;     Show all 3 Subjects
Abstract:
... In the operation of biological wastewater treatment processes, fast sludge settling during liquid-solids disengagement is preferred as it affects effluent quality, treatment efficiency and plant operation economy. An important property of fast settling biological sludge is the ability to spontaneously form big and dense flocs (flocculation) that readily separates from water. Therefore, there had b ...
DOI:
10.1016/j.chemosphere.2018.07.021

8. Impact of sludge recirculation ratios on the performance of anaerobic membrane bioreactor for wastewater treatment

Author:
Aslam, Alia; Khan, Sher Jamal; Shahzad, Hafiz Muhammad Aamir
Source:
Bioresource technology 2019 v.288 pp. 121473
ISSN:
0960-8524
Subject:
wastewater treatment,   etc   ; biogas; chemical oxygen demand; membrane bioreactors; polymers; sludge;     Show all 6 Subjects
Abstract:
... The performance of a lab scale anaerobic membrane bioreactor (AnMBR) was evaluated for wastewater treatment. The efficacy of the system was determined at different operating conditions in terms of fluxes and recirculation ratios (R); 10.28 L/m2 h (R = 1, Phase I), 8.8 L/m2 h (R = 2, Phase II and R = 3, Phase III) and 6 L/m2 h (R = 2, Phase IV and R = 3, Phase V), respectively. In comparison with a ...
DOI:
10.1016/j.biortech.2019.121473

9. Rapid granulation of aerobic granular sludge: A mini review on operation strategies and comparative analysis

Author:
Zhang, Yihao; Dong, Xiaochuan; Nuramkhaan, Marjangul; Lei, Zhongfang; Shimizu, Kazuya; Zhang, Zhenya; Adachi, Yasuhisa; Lee, Duu-Jong; Tay, Joo Hwa
Source:
Bioresource technology reports 2019 v.7 pp. 100206
ISSN:
2589-014X
Subject:
wastewater treatment,   etc   ; activated sludge; cations; coagulants; granules; selection pressure;     Show all 6 Subjects
Abstract:
... Due to its overwhelming advantages, aerobic granular sludge (AGS) process is the most promising alternative to the conventional activated sludge (CAS) which is currently and mainly applied in wastewater treatment plants (WWTPs). Long start-up period is still one of the major challenges limiting the wide application of AGS in WWTPs worldwide. This mini review summarized the main strategies adopted ...
DOI:
10.1016/j.biteb.2019.100206

10. Spatial and temporal trends of melamine and its derivatives in sediment from Lake Shihwa, South Korea

Author:
Zhu, Hongkai; Lee, Sunggyu; Moon, Hyo-Bang; Kannan, Kurunthachalam
Source:
Journal of hazardous materials 2019 v.373 pp. 671-677
ISSN:
0304-3894
Subject:
wastewater treatment,   etc   ; lakes; melamine; sediments; streams; South Korea;     Show all 6 Subjects
Abstract:
... Occurrence, spatial distribution, and temporal trends of melamine and its derivatives (ammeline, ammelide, and cyanuric acid) were investigated in surface sediment and two sediment cores collected from Lake Shihwa, South Korea. ∑Melamine (sum of melamine and its three derivatives) was found in all surface sediment samples at concentrations that ranged from 16.6 to 4390 ng/g dry weight (dw), with a ...
DOI:
10.1016/j.jhazmat.2019.03.128

11. In situ characterizations for EPS-involved microprocesses in biological wastewater treatment systems

Author:
Zhang, Peng; Feng, Bo; Chen, You-Peng; Dai, You-Zhi; Guo, Jin-Song
Source:
Critical reviews in environmental science and technology 2019 v.49 no.11 pp. 917-946
ISSN:
1547-6537
Subject:
wastewater treatment,   etc   ; bacterial adhesion; biodegradation; biosorption; electron transfer; microorganisms; polymers;     Show all 7 Subjects
Abstract:
... Microbial extracellular polymeric substances (EPS) determine the bacterial attachment and structural integration of microbial aggregates, and govern the binding, migration and transformation processes of substrate in extracellular microenvironment. The development of in situ characterization techniques is an interesting research topic to reveal the EPS functions. This review introduces the EPS-inv ...
DOI:
10.1080/10643389.2018.1477416

12. Perspectives on the fate of micropollutants in mainstream anaerobic wastewater treatment

Author:
Harb, Moustapha; Lou, Esther; Smith, Adam L; Stadler, Lauren B
Source:
Current opinion in biotechnology 2019 v.57 pp. 94-100
ISSN:
0958-1669
Subject:
wastewater treatment,   etc   ; anaerobic treatment; drugs; pollutants; risk; sulfamethoxazole; trimethoprim;     Show all 7 Subjects
Abstract:
... Mainstream anaerobic treatment technologies are a viable alternative to conventional aerobic treatment to recover resources and improve process sustainability. However, resource recovery efforts must be coordinated with efforts to abate environmental risks associated with micropollutants (e.g. pharmaceuticals). The microbial and physical mechanisms of micropollutant removal in mainstream anaerobic ...
DOI:
10.1016/j.copbio.2019.02.022

13. Difference of respiration-based approaches for quantifying heterotrophic biomass in activated sludge of biological wastewater treatment plants

Author:
Li, Zhi-Hua; Hang, Zhen-Yu; Lu, Meng; Zhang, Tian-Yu; Yu, Han-Qing
Source:
The Science of the total environment 2019 v.664 pp. 45-52
ISSN:
0048-9697
Subject:
wastewater treatment,   etc   ; activated sludge; biomass; models; oxygen; rapid methods;     Show all 6 Subjects
Abstract:
... Estimation of heterotrophic biomass concentration in activated sludge is essential to the design, operation and management of activated sludge process for wastewater treatment plants (WWTPs), and many methods have been developed for such a purpose. In this study, three respiration-based methods: the Exponential-growth-rate-based method (Exp-M), the Maximum-respiration-rate-based method (Max-M) and ...
DOI:
10.1016/j.scitotenv.2019.02.007

14. Microalgal-bacterial aggregates for wastewater treatment: A mini-review

Author:
Lee, Yu-Jen; Lei, Zhongfang
Source:
Bioresource technology reports 2019 pp. 100199
ISSN:
2589-014X
Subject:
wastewater treatment,   etc   ; aeration; bacteria; energy costs; hydrodynamics; microalgae; wastewater;     Show all 7 Subjects
Abstract:
... Microalgal-bacterial aggregates (MABAs) are an aggregate form of the microalgal-bacterial consortium that can be applied for wastewater treatment at reduced aeration energy costs with great potential for recovery of valuable resources. This mini-review discussed current research status and the future prospects for the MABA studies, including light sources to microalgal cells, fluid hydrodynamics a ...
DOI:
10.1016/j.biteb.2019.100199

15. Membrane-based technology in greywater reclamation: A review

Author:
Wu, Bing
Source:
The Science of the total environment 2019 v.656 pp. 184-200
ISSN:
0048-9697
Subject:
wastewater treatment,   etc   ; fouling; greywater; membrane bioreactors; water reuse;     Show all 5 Subjects
Abstract:
... Greywater reclamation has been well recognized as an alternative water resource for non-potable or potable use. To meet greywater reuse standards, various membrane-based techniques have been widely adopted to treat greywater for producing water with superior quality. This paper aims to present a comprehensive review on membrane-based techniques in greywater treatment, including direct pressure-dri ...
DOI:
10.1016/j.scitotenv.2018.11.347

16. ENERWATER - A standard method for assessing and improving the energy efficiency of wastewater treatment plants

Author:
Longo, S.; Mauricio-Iglesias, M.; Soares, A.; Campo, P.; Fatone, F.; Eusebi, A.L.; Akkersdijk, E.; Stefani, L.; Hospido, A.
Source:
Applied energy 2019
ISSN:
0306-2619
Subject:
wastewater treatment,   etc   ; case studies; energy conservation; energy efficiency; stakeholders; wastewater;     Show all 6 Subjects
Abstract:
... This paper describes the first methodology specifically tailored to estimate energy efficiency at wastewater treatment plants (WWTPs). Inspired by the cycle of continuous improvement, the method i) precisely defines the concept of energy efficiency in WWTPs, ii) proposes systematic and comparable ways to measure it, and iii) allows benchmarking and diagnosing energy hotspots. The methodology deliv ...
DOI:
10.1016/j.apenergy.2019.03.130

17. Identification and function of extracellular protein in wastewater treatment using proteomic approaches: A minireview

Author:
Zhang, Peng; Zhu, Jing; Xu, Xiao-Yan; Qing, Tai-Ping; Dai, You-Zhi; Feng, Bo
Source:
Journal of environmental management 2019 v.233 pp. 24-29
ISSN:
0301-4797
Subject:
wastewater treatment,   etc   ; analytical methods; biodegradation; pollutants; proteins; proteome; proteomics;     Show all 7 Subjects
Abstract:
... Microbial extracellular proteins serve as important functions in wastewater treatment process. Analysis of their compositions and properties is crucial to probe their specific functions. However, conventional analytical techniques cannot obtain interest protein information from complex proteins. Recently, the extracellular proteomics method has been applied to resolve the composition of extracellu ...
DOI:
10.1016/j.jenvman.2018.12.028

18. A review on greywater reuse: quality, risks, barriers and global scenarios

Author:
Vuppaladadiyam, Arun K.; Merayo, Noemi; Prinsen, Pepijn; Luque, Rafael; Blanco, Angeles; Zhao, Ming
Source:
Re/views in environmental science and bio/technology 2019 v.18 no.1 pp. 77-99
ISSN:
1569-1705
Subject:
wastewater treatment,   etc   ; greywater; guidelines; risk; sanitation; water reuse; water shortages;     Show all 7 Subjects
Abstract:
... Greywater is wastewater collected from household sources without input from toilet or commode streams. Greywater represent ca. 65% of total household wastewaters globally. Different aspects of greywater, including its production sources, its characteristics, the barriers and the global scenarios of its reuse, have been critically reviewed in this paper. Given the current projections on acute water ...
DOI:
10.1007/s11157-018-9487-9

19. Silicalite-1 zeolite membrane: Synthesis by seed method and application in organics removal

Author:
Li, Jiexin; Shi, Chunhong; Zhang, Huifeng; Zhang, Xinfei; Wei, Yangyang; Jiang, Kai; Zhang, Baogang
Source:
Chemosphere 2019 v.218 pp. 984-991
ISSN:
0045-6535
Subject:
wastewater treatment,   etc   ; antifouling activities; crystallization; dyes; temperature; zeolites;     Show all 6 Subjects
Abstract:
... Silicalite-1 (S-1) zeolite membrane synthesized by seed method with superior features attracts intensive attentions, while the influences of key parameters during synthesis process and its applications for organics removal require further investigation. This study revealed the morphology and the structure of the prepared membranes under different crystallization temperatures and seed concentration ...
DOI:
10.1016/j.chemosphere.2018.11.215

20. BioTOOL—a Readily and Flexible Biogas Rate Prediction Tool for End-users

Author:
Hien, Sebastian; Hansen, Joachim; Drewes, Jörg E.; Koch, Konrad
Source:
Environmental modeling and assessment 2019 v.24 no.1 pp. 87-94
ISSN:
1420-2026
Subject:
wastewater treatment,   etc   ; biogas; gas production (biological); neural networks; prediction;     Show all 5 Subjects
Abstract:
... This study illustrates an approach to provide an easily manageable tool for end-users to predict the biogas production rate to ease the transition to a flexible and proactive operation of digesters at both biogas plants as well as at wastewater treatment plants. To provide a high flexibility to end-users but keep BioTOOL easily manageable, the approach uses a pre-trained artificial neural networks ...
DOI:
10.1007/s10666-018-9609-3