Search results: 78,696 results (approx.)

1. Effects of initial pH on two-stage biogas production and hydrolysis in a co-digestion process of food waste and waste activated sludge.

Batch tests were performed to investigate the effects of initial pH on the two-stage hydrogen and methane production process by co-digestion of food waste and waste activated sludge. Results show that the two-stage process had good pH adaptive capacity. Hydrogen production was similar at initial pH ...

Author(s) : Liu XinYuan; Li RuYing; Ji Min; Wu Nan; Yang Fan

Publisher : Mary Ann Liebert, Inc., New Rochelle, USA

Journal article : Environmental Engineering Science 2021 Vol.38 No.4 pp.266-276

2. Evaluation of microbial community succession and trophic transfer using microscopic, molecular and stable isotope ratio analysis in a sponge-based sewage treatment system.

Although biological wastewater treatment systems use microbial consortia containing a wide diversity of organisms across several trophic levels, information related to trophic information is currently limited. This study evaluated sludge characteristics in terms of mass measurement, microscopic...

Author(s) : Onodera, T.; Takemura, Y.; Kubota, K.; Kato, R.; Okubo, T.; Kanaya, G.; Syutsubo, K.; Uemura, S.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Biochemical Engineering Journal 2021 Vol.171

3. Assessment of leachate contamination potential of landfills in Ibadan, Nigeria.

Environmental pollution leads to poor health and has been a worrisome experience to humanity for the past few decades. This research was conducted to determine the pollution potential of landfill leachates (LFL) in Sub-Saharan Africa, using Ibadan as case study. Survey of landfills in the...

Author(s) : Adesogan, S. O.; Omonigho, B. O.

Publisher : Academic Journals, Lagos, Nigeria

Journal article : African Journal of Environmental Science and Technology 2021 Vol.15 No.5 pp.179-187 ref.many

4. Valorisation of organic waste by-products using black soldier fly (Hermetia illucens) as a bio-convertor.

One third of food produced globally is wasted. Disposal of this waste is costly and is an example of poor resource management in the face of elevated environmental concerns and increasing food demand. Providing this waste as feedstock for black soldier fly (Hermetia illucens) larvae (BSFL) has the...

Author(s) : Magee, K.; Halstead, J.; Small, R.; Young, I.

Publisher : MDPI AG, Basel, Switzerland

Journal article : Sustainability 2021 Vol.13 No.15 ref.72

5. Effect of NaCl and MgCl2 on the hydration of lime-pozzolan blend by recycling sewage sludge ash.

An extensive amount of work has focused on investigating the effects of seawater as mixing water on the mechanical properties and durability issues of cement pastes/mortars/concrete especially with steel rebars. However, limited information was available for the effects of seawater on the...

Author(s) : Zhou YiFan; Lu JianXin; Li JiangShan; Cheeseman, C.; Poon ChiSun

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Journal of Cleaner Production 2021 Vol.313

6. Are bio-based and biodegradable microplastics impacting for blue mussel (Mytilus edulis)?

The substitution of petrochemical plastics by bio-based and biodegradable plastics are in need of an evaluation for the potential toxic impacts that they can have on marine wildlife. This study aims to assess the toxicological effects of polylactic acid microparticles at two concentrations, 10 and...

Author(s) : Khalid, A.; Zalouk-Vergnoux, A.; Benali, S.; Mincheva, R.; Raquez, J. M.; Bertrand, S.; Poirier, L.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Marine Pollution Bulletin 2021 Vol.167

7. Occurrence and removal of antibiotics from industrial wastewater.

Water recycling is of increasing concern due to the shortage of natural resources, calling for advanced methods to remove contaminants. Indeed, the transfer of contaminants to living organisms may lead to bioaccumulation and diseases. In particular, the overuse of antibiotics for human and animal...

Author(s) : Akhil, D.; Divya Lakshmi; Kumar, P. S.; Vo, D. V. N.; Kartik, A.

Publisher : Springer Berlin, Heidelberg, Germany

Journal article : Environmental Chemistry Letters 2021 Vol.19 No.2 pp.1477-1507 ref.many

8. Microplastic and artificial cellulose microfibers ingestion by reef fishes in the Guarapari Islands, southwestern Atlantic.

This study investigated the ingestion of microplastics and artificial cellulose particles by 103 specimens belonging to 21 reef fish species from the southwestern Atlantic. Specimens of six species had ingested microplastics and artificial cellulose particles, while those of another three species...

Author(s) : Macieira, R. M.; Oliveira, L. A. S.; Cardozo-Ferreira, G. C.; Pimentel, C. R.; Andrades, R.; Gasparini, J. L.; Sarti, F.; Chelazzi, D.; Cincinelli, A.; Gomes, L. C.; Giarrizzo, T.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Marine Pollution Bulletin 2021 Vol.167

9. Archiving time series sewage samples as biological records of built environments.

This commentary encourages the regular archiving of nucleic-acid-stabilized serial samples of wastewaters and/or sewage. Stabilized samples would facilitate retrospective reconstitution of built environments' biological fluids. Biological time capsules would allow retrospective searches for nucleic ...

Author(s) : Thaler, D. S.; Sakmar, T. P.

Publisher : BioMed Central Ltd, London, UK

Journal article : BMC Infectious Diseases 2021 Vol.21 No.601 pp.(24 June 2021) ref.50

10. Design and control of compostability in synthetic biopolyesters.

The aerobic composting and anaerobic digestion of plastics is a promising route to recovering the multidimensional value from biodegradable single-use plastics. At present, the collection, separation, and management of biodegradable plastic waste are extremely challenging, and the majority of these ...

Author(s) : Samantaray, P. K.; Little, A.; Wemyss, A. M.; Iacovidou, E.; Wan ChaoYing

Publisher : American Chemical Society, Washington, USA

Journal article : ACS Sustainable Chemistry & Engineering 2021 Vol.9 No.28 pp.9151-9164

11. Enhanced energy and resource recovery via synergistic catalytic pyrolysis of byproducts from thermal processing of wastewater solids.

Wastewater sludge drying and incineration are conventional solids handling processes that are sometimes employed in water resource reclamation facilities. However, these two processes generate byproducts, sludge drying chaff and sludge incinerator ash, which are landfilled without taking advantage...

Author(s) : Liu ZhongZhe; Hughes, M.; Tong YiRan; Zhou JiZhi; Kreutter, W.; Valtierra, D.; Singer, S.; Zitomer, D.; McNamara, P.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Renewable Energy 2021 Vol.177 pp.475-481 ref.47

12. Investigation of materials for reactive permeable barrier in removing cadmium and chromium(VI) from aquifer near a solid domestic waste landfill.

The sorption characteristics of raw and biofilm-coated materials: vermiculite, lightweight expanded clay aggregate (LECA), perlite, zeolite, and shungite toward Cd and Cr(VI) ions were investigated to evaluate the possibility of their use as filtration barrier in the aquifer near a solid domestic...

Author(s) : Safonov, A.; Popova, N.; Andrushenko, N.; Boldyrev, K.; Yushin, N.; Zinicovscaia, I.

Publisher : Springer Berlin, Heidelberg, Germany

Journal article : Environmental Science and Pollution Research 2021 Vol.28 No.4 pp.4645-4659 ref.many

13. Enhanced sophorolipid production and effective conversion of waste frying oil using dual lipophilic substrates.

A highly efficient sophorolipid (SL) fermentation process using dual lipophilic substrates (DLS) was developed. Using DLS consisting of palm oil and oleic acid in the flask fermentation with SL-producing yeast Starmerella bombicola, the productivity and yield of SL improved 2.4 and 1.7 times, in...

Author(s) : Hirata, Y.; Igarashi, K.; Ueda, A.; Quan, G. L.

Publisher : Taylor & Francis, Singapore, Singapore

Journal article : Bioscience, Biotechnology and Biochemistry 2021 Vol.85 No.7 pp.1763-1771 ref.46

14. Iron decorated n-TiO2 film with enhanced photocatalytic activity under visible irradiation.

Removal of protein from artificial and natural wastewater was performed using Fe-doped TiO2 film under visible light in an in-house made photoreactor. The Fe(III) dopant improved TiO2 absorption in the visible region. Fe(III) dopant at 2.5%wt. in TiO2 gave the highest yield of protein...

Author(s) : Theerakarunwong, C. D.; Chuaychai, W.; Phanichphant, S.

Publisher : Prince of Songkla University, Hat Yai, Thailand

Journal article : Songklanakarin Journal of Science and Technology 2021 Vol.43 No.3 pp.660-666 ref.many

15. Oleaginous yeasts as cell factories for the sustainable production of microbial lipids by the valorization of agri-food wastes.

The agri-food industry annually produces huge amounts of crops residues and wastes, the suitable management of these products is important to increase the sustainability of agro-industrial production by optimizing the entire value chain. This is also in line with the driving principles of the...

Author(s) : Caporusso, A.; Capece, A.; Bari, I. de

Publisher : MDPI AG, Basel, Switzerland

Journal article : Fermentation 2021 Vol.7 No.2 ref.242

16. Recent progress in environmental applications of metal-organic frameworks.

Nanomaterials have aroused the interest of many researchers and become a research hotspot in recent years and metal-organic frameworks (MOFs) included in that are a class of new organic-inorganic hybrid porous materials formed through the self-assembly of organic ligands and inorganic metal ions....

Author(s) : Liu JianMing; Chen MeiChen; Cui HaoHui

Publisher : IWA Publishing, London, UK

Journal article : Water Science and Technology 2021 Vol.83 No.1 pp.26-38 ref.many

17. Cultivation of aerobic granular sludge for the treatment of food-processing wastewater and the impact on membrane filtration properties.

A laboratory-scale sequencing batch reactor was operated for approximately 300 days, divided into four periods based on the feeding strategy, to develop stable aerobic granular sludge (AGS) while treating chocolate processing wastewater. Application of a prolonged mixed anaerobic feeding was not...

Author(s) : Stes, H.; Caluwé, M.; Dockx, L.; Cornelissen, R.; Langhe, P. de; Smets, I.; Dries, J.

Publisher : IWA Publishing, London, UK

Journal article : Water Science and Technology 2021 Vol.83 No.1 pp.39-51 ref.30

18. Life cycle assessment of urban wastewater treatment plants: a critical analysis and guideline proposal.

In its 30 years of existence, there are still many improvement possibilities in studies performing the life cycle assessment (LCA) of wastewater treatment plants (WWTPs). Hence, this paper aims to start a guideline development for LCA of urban WWTPs based on the information available in the...

Author(s) : Rebello, T. A.; Roque, R. P.; Gonçalves, R. F.; Calmon, J. L.; Queiroz, L. M.

Publisher : IWA Publishing, London, UK

Journal article : Water Science and Technology 2021 Vol.83 No.3 pp.501-514 ref.many

19. Use of polysorbate 20 and sodium thiosulfate to enhance sewage sludge dewaterability by bioleaching.

Dewatering of sludge is a key problem that must be solved in the sewage sludge disposal industry. In this study, a series of process optimization tests were conducted to learn how to improve sludge treatment. The optimum process of sludge leaching treatment was studied in a specially designed 100-L ...

Author(s) : Zhao Jie; Gao JingQing; Liu JunZhao

Publisher : IWA Publishing, London, UK

Journal article : Water Science and Technology 2021 Vol.83 No.3 pp.595-609 ref.47

20. Using deterioration modelling to simulate sewer rehabilitation strategy with low data availability.

Most cities face the problem of an aging infrastructure in need of extensive and ongoing repair, renovation or replacement. Since the 1980s, CCTV has been the industry standard for sewer system inspection and the main source of information for structural performance evaluation. Due to low...

Author(s) : Caradot, N.; Sampaio, P. R.; Guilbert, A. S.; Sonnenberg, H.; Parez, V.; Dimova, V.

Publisher : IWA Publishing, London, UK

Journal article : Water Science and Technology 2021 Vol.83 No.3 pp.631-640 ref.many

21. Comparison of methods for nitrous oxide emission estimation in full-scale activated sludge.

Nitrous oxide (N2O) gas transfer was studied in a full-scale process to correlate liquid phase N2O concentrations with gas phase N2O emissions and compare methods of determining the volumetric mass transfer coefficient, KLa. Off-gas and liquid phase monitoring were conducted at the Viikinmäki...

Author(s) : Myers, S.; Mikola, A.; Blomberg, K.; Kuokkanen, A.; Rosso, D.

Publisher : IWA Publishing, London, UK

Journal article : Water Science and Technology 2021 Vol.83 No.3 pp.641-651 ref.many

22. Green synthesis of Quercus coccifera hydrochar in subcritical water medium and evaluation of its adsorption performance for BR18 dye.

In this study, we investigated the production conditions of Quercus coccifera hydrochar, which is an inexpensive and easy available adsorbent, for the adsorption of Basic Red 18 (BR18) azo dye. The hydrochar was produced in the eco-friendly subcritical water medium (SWM). The effects of the pH...

Author(s) : Saleh, M.; Bilici, Z.; Ozay, Y.; Yabalak, E.; Yalvac, M.; Dizge, N.

Publisher : IWA Publishing, London, UK

Journal article : Water Science and Technology 2021 Vol.83 No.3 pp.701-714 ref.many

23. Microbial interaction promotes desulfurization efficiency under high pH condition.

The existence of H2S in biogas may cause equipment corrosion and considerable SO2 emission. Commonly used biotrickling filters may cause biogas dilution or generation of explosive mixtures. Compared with biotrickling filters, two-step process such as bioscrubber filters can overcome these...

Author(s) : Zhao YuXiang; Wang JiaQi; Liu Yan; Zheng Ping; Hu BaoLan

Publisher : Elsevier Inc, Orlando, USA

Journal article : Environmental Research 2021 Vol.200

24. Degradation of amoxicillin with sono, photo, and sonophotocatalytic oxidation under low-frequency ultrasound and visible light.

The presence of pharmaceutically active compounds in aquatic bodies is a global concern, and suitable treatment technologies are required. In this study, the efficacy of photocatalytic, sonocatalytic, and sonophotocatalytic oxidation processes for the degradation of amoxicillin (AMX) was...

Author(s) : Karim, A. V.; Amritanshu Shriwastav

Publisher : Elsevier Inc, Orlando, USA

Journal article : Environmental Research 2021 Vol.200

25. Phosphorous removal from anaerobically digested municipal sludge centrate by an electrocoagulation reactor using metal (Al, Fe and Al-Fe) scrap anodes.

Phosphates are a major cause of eutrophication and growth of algal blooms in surface waters. The current study investigated phosphorus removal from sludge centrate effluent (SCE) of a municipal wastewater plant by packed-bed electrocoagulation (EC) reactor. Distinctively, iron (Fe), aluminum (Al)...

Author(s) : Kobya, M.; Omwene, P. I.; Sarabi, S. M.; Yildirim, S.; Ukundimana, Z.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Process Safety and Environmental Protection 2021 Vol.152 pp.188-200