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1. The upgrading of conventional activated sludge processes with thermophilic aerobic membrane reactor: Alternative solutions for sludge reduction

Author:
Collivignarelli, Maria Cristina; Abbà, Alessandro; Bertanza, Giorgio; Frattarola, Andrea
Source:
Journal of environmental management 2020 v.264 pp. 110490
ISSN:
0301-4797
Subject:
industrial wastewater; municipal wastewater; wastewater treatment,   etc   ; activated sludge;     Show all 4 Subject
Abstract:
... Sludge recovery/disposal represents one of the most crucial aspects related to the management of wastewater treatment plants. The most widely diffused technology for the treatment of industrial and municipal wastewaters is the conventional activated sludge (CAS) process, which is characterized by a relatively high excess sludge production. Different technical solutions are proposed in the literatu ...
DOI:
10.1016/j.jenvman.2020.110490

2. Challenges and potentials of forward osmosis process in the treatment of wastewater

Author:
Ibrar, Ibrar; Altaee, Ali; Zhou, John L.; Naji, Osamah; Khanafer, Daoud
Source:
Critical reviews in environmental science and technology 2020 v.50 no.13 pp. 1339-1383
ISSN:
1547-6537
Subject:
wastewater; wastewater treatment,   etc   ; desalination; energy; fouling; monitoring; osmosis;     Show all 7 Subjects
Abstract:
... An emerging osmotically driven membrane process, forward osmosis has attracted growing attention in the field of desalination and wastewater treatment. The present study provides a critical review of the forward osmosis process for wastewater treatment focusing on most recent studies. Forward osmosis is one of the technologies that has been widely studied for the treatment of a wide range of waste ...
DOI:
10.1080/10643389.2019.1657762

3. Photocatalytic application of spinel ferrite nanoparticles and nanocomposites in wastewater treatment: Review

Author:
Kefeni, Kebede Keterew; Mamba, Bhekie B.
Source:
Sustainable materials and technologies 2020 v.23 pp. e00140
ISSN:
2214-9937
Subject:
wastewater; wastewater treatment,   etc   ; ferrimagnetic materials; nanocomposites; nanoparticles; photocatalysis; photocatalysts; pollutants;     Show all 8 Subjects
Abstract:
... This review shade light on the recent advances in a photocatalytic application of spinel ferrite nanoparticles and their nanocomposites towards pollutant degradation capacities in wastewater, with more emphasis on their novelties. Furthermore, the possible recovery and reuse of spinel ferrite nanoparticles being used as a photocatalyst in wastewater treatment are addressed. Innovative techniques n ...
DOI:
10.1016/j.susmat.2019.e00140

4. Role of soluble microbial product as an intermediate electron station linking C/N and nitrogen removal performance in sequencing batch reactor

Author:
Zhang, Xuening; Sun, Yilu; Ma, Fang; Li, Ang; Yang, Jixian
Source:
Environmental research 2020 v.183 pp. 109248
ISSN:
0013-9351
Subject:
wastewater; wastewater treatment,   etc   ; batch systems; carbon nitrogen ratio; denitrification; nitrogen;     Show all 6 Subjects
Abstract:
... The C/N ratio in wastewater differs in place and time and affects the nitrogen removal performance of wastewater treatment. However, studies have focused only on the direct relationship between C/N and nitrogen removal efficiency but disregarded the significant role of soluble microbial products (SMPs) as an intermediate electron station. In this work, the contribution of SMPs to TN removal for tr ...
DOI:
10.1016/j.envres.2020.109248

5. Wastewater quality index (WWQI) as an assessment tool of treated wastewater quality for agriculture: a case of North Wastewater Treatment Plant effluent of Isfahan

Author:
Jamshidzadeh, Zahra; Tavangari Barzi, Majid
Source:
Environmental science and pollution research international 2020 v.27 no.7 pp. 7366-7378
ISSN:
0944-1344
Subject:
wastewater; wastewater treatment,   etc   ; semiarid zones; water reuse; water shortages; Iran;     Show all 6 Subjects
Abstract:
... Treated wastewater reuse is one of the most important ways to confront the water shortage, especially in arid and semiarid regions facing a water crisis such as Iran. This study aims to develop a wastewater quality index (WWQI) to evaluate the effluent quality of the North Wastewater Treatment Plant (WWTP) of Isfahan for agriculture. Three indices, namely overall, acceptability, and health wastewa ...
DOI:
10.1007/s11356-019-07090-x

6. Correction to: Role of identified bacterial consortium in treatment of Quhafa wastewater treatment plant influent in Fayuom, Egypt

Author:
Ibrahim, Salma; El-Liethy, Mohamed Azab; Elwakeel, Khalid Z.; Hasan, Mohammed Abd El-Gabbar; Al Zanaty, Ali Mahmoud; Kamel, Mohamed Mohamed
Source:
Environmental monitoring and assessment 2020 v.192 no.5 pp. 282
ISSN:
0167-6369
Subject:
wastewater treatment,   etc   ; biofilters; sand; Egypt;     Show all 4 Subjects
Abstract:
... The original version of this article unfortunately contained an error. ...
DOI:
10.1007/s10661-020-8211-8

7. Correction to: High-throughput profiling of microbial community structures in an ANAMMOX-UASB reactor treating high-strength wastewater

Author:
Cao, Shenbin; Du, Rui; Li, Baikun; Ren, Nanqi; Peng, Yongzhen
Source:
Applied microbiology and biotechnology 2020 v.104 no.7 pp. 3205
ISSN:
0175-7598
Subject:
wastewater,   etc   ; community structure; microbial communities;     Show all 3 Subjects
Abstract:
... The published online version contains mistake in the affiliation ID of the author Baikun Li. The correct presentation is given above. ...
DOI:
10.1007/s00253-020-10456-8

8. One-pot fabrication of reusable hybrid sorbents for quick removal of oils from wastewater

Author:
Kizil, Soner; Bulbul Sonmez, Hayal
Source:
Journal of environmental management 2020 v.261 pp. 109911
ISSN:
0301-4797
Subject:
wastewater,   etc   ; absorption; oils; solvents; sorbents; water resources;     Show all 6 Subjects
Abstract:
... The leaking of harmful organic liquids into water resources has had hazardous impacts on living organisms. Herein, we demonstrated the fabrication of hybrid sorbents using s-PPG and organosilane cross-linker. The final product exhibited high, quick absorption capacity, great reusability and excellent oil separation performance from wastewater. They also selectively absorb different oils from the b ...
DOI:
10.1016/j.jenvman.2019.109911

9. Removal of contaminants of emerging concern by continuous flow solar photo-Fenton process at neutral pH in open reactors

Author:
Arzate, S.; Campos-Mañas, M.C.; Miralles-Cuevas, S.; Agüera, A.; García Sánchez, J.L.; Sánchez Pérez, J.A.
Source:
Journal of environmental management 2020 v.261 pp. 110265
ISSN:
0301-4797
Subject:
wastewater treatment,   etc   ; effluents; hydrogen peroxide; iron; pH;     Show all 5 Subjects
Abstract:
... For the first time, the operational feasibility of the solar photo-Fenton process at neutral pH in continuous flow has been tested for three consecutive days. The aim of the treatment was to remove of contaminants of emerging concern (CECs) from wastewater treatment plant secondary effluents. To this end, a 5 cm-deep raceway pond reactor was run in continuous flow mode and the degradation of the C ...
DOI:
10.1016/j.jenvman.2020.110265

10. Designing a robust index for WWTP energy efficiency: The ENERWATER water treatment energy index

Author:
Mauricio-Iglesias, Miguel; Longo, Stefano; Hospido, Almudena
Source:
The Science of the total environment 2020 v.713 pp. 136642
ISSN:
0048-9697
Subject:
wastewater treatment,   etc   ; algorithms; energy efficiency; uncertainty;     Show all 4 Subjects
Abstract:
... The development and use of composite indexes has exploded in the last 15 years as a tool to summarise the large amount of information available nowadays. To ensure that composite indicators reflect faithfully the purpose of evaluation and are widely accepted and used, the users must understand the relationship between individual sub-indicators and the result (transparency) and the evaluation shoul ...
DOI:
10.1016/j.scitotenv.2020.136642

11. A transition in the Dutch wastewater system? The struggle between discourses and with lock-ins

Author:
Ampe, Kasper; Paredis, Erik; Asveld, Lotte; Osseweijer, Patricia; Block, Thomas
Source:
Journal of environmental policy & planning 2020 v.22 no.2 pp. 155-169
ISSN:
1522-7200
Subject:
wastewater,   etc   ; circular economy; infrastructure; market development; politics;     Show all 5 Subjects
Abstract:
... Recently, calls have increased for a paradigm shift or transition towards resource recovery and a circular economy in the Dutch wastewater system. However, we have observed diverging interpretations on the nature of the transition. This reflects the political environment of sustainability transitions: political struggle emerges over the definition of problems, futures and strategies to be used. In ...
DOI:
10.1080/1523908X.2019.1680275

12. A pre-wetting induced superhydrophilic/superlipophilic micro-patterned electrospun membrane with self-cleaning property for on-demand emulsified oily wastewater separation

Author:
Ying, Ting; Su, Jiafei; Jiang, Yijing; Ke, Qinfei; Xu, He
Source:
Journal of hazardous materials 2020 v.384 pp. 121475
ISSN:
0304-3894
Subject:
wastewater,   etc   ; bismuth; hydrophilicity; hydrophobicity; nanoparticles; oils; polymers;     Show all 7 Subjects
Abstract:
... In this work, a pre-wetting induced superhydrophilic/superlipophilic micro-patterned membrane with surface-loaded BiVO₄ nanoparticles (Bi/PDA@PT) was successfully prepared by electrospinning and polydopamine (PDA) surface modification technology for highly efficient emulsified oily wastewater separation. The results showed that the as-prepared membranes exhibited micro hole-patterned structures an ...
DOI:
10.1016/j.jhazmat.2019.121475

13. Metallic copper removal optimization from real wastewater using pulsed electrodeposition

Author:
de Morais Nepel, Thayane Carpanedo; Carpanedo de Morais Nepel, Thayane; Landers, Richard; Gurgel Adeodato Vieira, Melissa; Florêncio de Almeida Neto, Ambrósio
Source:
Journal of hazardous materials 2020 v.384 pp. 121416
ISSN:
0304-3894
Subject:
wastewater,   etc   ; coatings; copper; oxides; temperature; waste utilization;     Show all 6 Subjects
Abstract:
... The recovery of metals from wastewater is a recurrent problem due to numerous productive activities that produce wastewaters rich in toxic metals. Within this context, this research presents the study and optimization of copper recovery of real wastewater using pulsed electrodeposition. The studied parameters – method, current, temperature, and rotation– influence both the removal of Cu and the co ...
DOI:
10.1016/j.jhazmat.2019.121416

14. Properties of the New Analytical Reagent 2-Hydroxy-3-Nitrosonaphthaldehyde

Author:
Madusmanova, N. K.; Smanova, Z. A.; Zhuraev, I. I.
Source:
Journal of analytical chemistry 2020 v.75 no.1 pp. 135-138
ISSN:
1061-9348
Subject:
wastewater,   etc   ; absorbance; cobalt; metal ions; naphthols; spectroscopy;     Show all 6 Subjects
Abstract:
... A new nitro derivative of β-naphthol was synthesized. Its structure was studied by ¹HMR and IR spectrometry. A possibility of its use for immobilization on fibrous substrates and application as a specific analytical reagent for the determination of metal ions, in particular, cobalt(II) ions, was shown. The absorbance maximum of the reagent is at 490 nm and of the complex with cobalt ions, 690 nm. ...
DOI:
10.1134/S1061934820010104

15. The effect of clogging on the long-term stability of different carbon fiber brushes in microbial fuel cells for brewery wastewater treatment

Author:
Brunschweiger, Sarah; Ojong, Emile Tabu; Weisser, Jana; Schwaferts, Christian; Elsner, Martin; Ivleva, Natalia P.; Haseneder, Roland; Hofmann, Thomas; Glas, Karl
Source:
Bioresource technology reports 2020 v.11 pp. 100420
ISSN:
2589-014X
Subject:
wastewater; wastewater treatment,   etc   ; anodes; carbon fibers; microbial fuel cells; microorganisms; surface area;     Show all 7 Subjects
Abstract:
... Carbon fiber brushes are widely used as anode electrode in microbial fuel cells (MFC) due to their good scalability and immense surface area. Clogging of fibers reduces the anode surface accessible for microorganisms resulting in a decreased power output of MFCs. Thus, usage of one brush with 10 cm in diameter (B1) was compared to usage of two brushes with 5 cm in diameter (B2) in a long-term-stud ...
DOI:
10.1016/j.biteb.2020.100420

16. Evaluating the effect of hydraulic retention time on fouling development and biomass characteristics in an algal membrane photobioreactor treating a secondary wastewater effluent

Author:
Novoa, Andres Felipe; Fortunato, Luca; Rehman, Zahid Ur; Leiknes, TorOve
Source:
Bioresource technology 2020 v.309 pp. 123348
ISSN:
0960-8524
Subject:
wastewater; wastewater treatment,   etc   ; algae; biomass; fouling; nutrients; particle size distribution; photobioreactors;     Show all 8 Subjects
Abstract:
... Coupling algal biomass growth to wastewater treatment is a promising alternative for the simultaneous removal and recovery of nutrients. This study aims to evaluate the effects of the Hydraulic Retention Time (HRT) on the fouling behavior and biomass characteristics of C. Vulgaris in a Membrane Photobioreactor (MPBR), fed with a secondary synthetic wastewater effluent. The changes in the algal cel ...
DOI:
10.1016/j.biortech.2020.123348

17. Kinetic affinity index informs the divisions of nitrate flux in aerobic denitrification

Author:
Ruan, Yunjie; Ma, Bin; Cai, Chen; Cai, Lei; Gu, Jun; Lu, Hui-Feng; Xu, Xiang-Yang; Zhang, Meng
Source:
Bioresource technology 2020 v.309 pp. 123345
ISSN:
0960-8524
Subject:
wastewater; wastewater treatment,   etc   ; denitrification; denitrifying microorganisms; nitrate reduction; nitrates; nitrogen; nitrogen balance; phenotype; transcription (genetics);     Show all 10 Subjects
Abstract:
... Aerobic denitrification is attracting increasing attention since its advantage of complete nitrogen removal in a single aerobic reactor with simplified configurations. This study investigated the nitrate kinetic affinity (half-saturation index, Kₘ) by an isolated aerobic denitrifier named P. balearica strain RAD-17. It turned out that strain RAD-17 had a high Kₘ of 162.5 mg-N/L and maximum nitrate ...
DOI:
10.1016/j.biortech.2020.123345

18. Recent trends on methods for the concentration of viruses from water samples

Author:
Bofill-Mas, Sílvia; Rusiñol, Marta
Source:
Current opinion in environmental science & health 2020 v.16 pp. 7-13
ISSN:
2468-5844
Subject:
wastewater; wastewater treatment,   etc   ; centrifugation; chromatography; climate change; flocculation; groundwater; seawater; surface water; ultrafiltration; viruses;     Show all 11 Subjects
Abstract:
... Relevant studies on waterborne viral occurrence published in the past 2 years have been analyzed showing that most of them were performed in surface waters and wastewater. Viruses were concentrated from surface water samples by applying, mainly, electronegative filtration or ultrafiltration combined with polyethyleneglycol precipitation, centrifugation, or centrifugal ultrafiltration, whereas for ...
DOI:
10.1016/j.coesh.2020.01.006

19. Response of an aerobic granular and conventional flocculated reactors against changing feed composition from simple composition to more complex

Author:
Dasgupta, Sunayna; Podder, Aditi; Goel, Ramesh
Source:
Chemosphere 2020 v.253 pp. 126694
ISSN:
0045-6535
Subject:
wastewater; wastewater treatment,   etc   ; activated sludge; ammonium nitrogen; chemical oxygen demand; feed composition; pollutants; pollution control;     Show all 8 Subjects
Abstract:
... This research evaluated the effect of changing feed composition on the performances of a conventional activated sludge (CAS) and an aerobic granular sludge (AGS) reactor operated simultaneously. Both reactors were initially fed with 100% synthetic feed. In a stepwise manner, the feed composition was slowly changed to real primary effluent collected from a local wastewater treatment plant. After an ...
DOI:
10.1016/j.chemosphere.2020.126694

20. Detections of alkyl-phenoxy-benzenesulfonates in municipal wastewater

Author:
Van Stempvoort, Dale R.; Brown, Susan J.; Smyth, Shirley Anne
Source:
Chemosphere 2020 v.251 pp. 126386
ISSN:
0045-6535
Subject:
municipal wastewater; wastewater treatment,   etc   ; aeration; detection limit; ecotoxicology; sulfonates; surfactants; tandem mass spectrometry; Canada;     Show all 9 Subjects
Abstract:
... This study presents the first reported detections and concentrations of alkyl phenoxy-benzenesulfonate surfactants (APBS) in municipal wastewater. A semi quantitative direct injection LC/MS/MS method was developed. Samples of raw influent and final effluent were obtained from fourteen municipal wastewater treatment plants (WWTPs) at various locations in Canada and were analyzed for APBS, including ...
DOI:
10.1016/j.chemosphere.2020.126386