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  1. Book ; Online: CESE-2019

    Jegatheesan, Jega / Visvanathan, Chettiyappan / Shu, Li / Hai, Faisal / Dumée, Ludovic

    Applications of Membranes for Sustainability

    2022  

    Keywords Technology: general issues ; History of engineering & technology ; membrane fouling ; influencing factors ; control method ; biofouling ; fertilizers ; flat sheet ; flux ; forward osmosis (FO) ; hollow fibre ; reverse osmosis (RO) ; polyvinylidene fluoride membrane (PVDF) ; titanium dioxide nanoparticles (TiO2-NP) ; silver nanoparticles (AgNP) ; antibacterial property ; antifouling property ; photodegradation ; membrane distillation ; halide ions ; nitrate ions ; carbonate ions ; humic acid ; trace organic contaminants ; dip-coating ; dyes ; membrane ; nanocomposite ; polyvinylidene fluoride ; titanium dioxide ; artificial neural network ; mathematical model ; membrane bioreactor ; fouling prediction ; n/a
    Language 0|e
    Size 1 electronic resource (144 pages)
    Publisher MDPI - Multidisciplinary Digital Publishing Institute
    Publishing place Basel
    Document type Book ; Online
    Note English ; Open Access
    HBZ-ID HT021610676
    ISBN 9783036538242 ; 3036538240
    Database ZB MED Catalogue: Medicine, Health, Nutrition, Environment, Agriculture

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  2. Book ; Online: Marine Plastics Abatement

    Koottatep, Thammarat / Winijkul, Ekbordin / Wenchao Xue / Atitaya Panuvatvanich / Visvanathan, Chettiyappan / Pussayanavin, Tatchai / Limphitakphong, Nantamol / Chongrak Polprasert

    Technology, Management, Business and Future Trends (Volume 2)

    2023  

    Keywords marine ; abatement strategies ; technology
    Language English
    Size 1 Online-Ressource
    Publisher IWA Publishing
    Document type Book ; Online
    Note English
    HBZ-ID HT030382163
    ISBN 9781789063455 ; 1789063450
    Database ZB MED Catalogue: Medicine, Health, Nutrition, Environment, Agriculture

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  3. Book ; Online: Marine Plastics Abatement

    Koottatep, Thammarat / Ekbordin Winijkul / Wenchao Xue / Atitaya Panuvatvanich / Visvanathan, Chettiyappan / Pussayanavin, Tatchai / Limphitakphong, Nantamol / polprasert, chongchin

    Challenges, Implications, Assessments and Circularity (Volume 1)

    2023  

    Keywords marine ; abatement strategies ; technology
    Language English
    Size 1 Online-Ressource
    Publisher IWA Publishing
    Document type Book ; Online
    Note English
    HBZ-ID HT030382003
    ISBN 9781789063219 ; 1789063213
    Database ZB MED Catalogue: Medicine, Health, Nutrition, Environment, Agriculture

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  4. Book ; Online: Methane: A Bioresource for Fuel and Biomolecules

    Parthiba Karthikeyan, Obulisamy / Kumaresan, Deepak / Kalyuzhanaya, Marina G. / Heimann, Kirsten / Visvanathan, Chettiyappan / Caetano, Nidia S.

    2020  

    Keywords Science: general issues ; Medical microbiology & virology ; Microbiology (non-medical) ; methane ; methanotrophs ; electron transfer ; bioreactor ; value addition and sustainability
    Size 1 electronic resource (148 pages)
    Publisher Frontiers Media SA
    Document type Book ; Online
    Note English ; Open Access
    HBZ-ID HT021229954
    ISBN 9782889635627 ; 2889635627
    Database ZB MED Catalogue: Medicine, Health, Nutrition, Environment, Agriculture

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  5. Article ; Online: Removal of gas phase methanol and acetonitrile mixture in an air membrane bioreactor (aMBR) under steady and transient-state operations.

    Phosirikul, Nichakul / Visvanathan, Chettiyappan / Rene, Eldon R

    Bioresource technology

    2023  Volume 376, Page(s) 128824

    Abstract: A laboratory scale air membrane bioreactor (aMBR) was used to treat a gas-phase mixture of methanol (MeOH) and acetonitrile (ACN), with an inoculum comprising of a mixed culture of microorganisms. The aMBR was tested under both steady-state and transient ...

    Abstract A laboratory scale air membrane bioreactor (aMBR) was used to treat a gas-phase mixture of methanol (MeOH) and acetonitrile (ACN), with an inoculum comprising of a mixed culture of microorganisms. The aMBR was tested under both steady-state and transient modes, with inlet concentrations ranging from 1 to 50 g/m
    MeSH term(s) Methanol ; Gases ; Air Pollutants/analysis ; Bioreactors ; Acetonitriles ; Filtration/methods ; Biodegradation, Environmental
    Chemical Substances Methanol (Y4S76JWI15) ; Gases ; Air Pollutants ; Acetonitriles
    Language English
    Publishing date 2023-03-05
    Publishing country England
    Document type Journal Article
    ZDB-ID 1065195-0
    ISSN 1873-2976 ; 0960-8524
    ISSN (online) 1873-2976
    ISSN 0960-8524
    DOI 10.1016/j.biortech.2023.128824
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Bonn / Germany

    Z 3258: Show issues

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  6. Article ; Online: Cleaner production auditing for plastic recycling industry in Pakistan: A baseline study.

    Hashmi, Safeerul Islam / Hewage, Harshi Tharangika Sirisena Aluthduwe / Visvanathan, Chettiyappan

    Chemosphere

    2023  Volume 337, Page(s) 139338

    Abstract: Recycling plastics is a good alternative to manage the plastic waste generated in Pakistan. Unfortunately, the country lacks efficient system to manage or recycle the plastic waste it generates. Lack of government support, absence of standard operating ... ...

    Abstract Recycling plastics is a good alternative to manage the plastic waste generated in Pakistan. Unfortunately, the country lacks efficient system to manage or recycle the plastic waste it generates. Lack of government support, absence of standard operating procedures, negligence towards health and safety of workers, increasing costs of raw materials and poor quality of the recyclates are some of the issues currently faced by plastic recyclers in Pakistan. Considering the need of cleaner production audits in plastic recycling industries, this study was carried out to establish an initial reference benchmark. Production processes in 10 recycling industries were evaluated from cleaner production perspective. The study showed the average water consumption of a recycling industry as high as 3315 L/ton. All the consumed water is wasted in the nearby community sewer while, only 3 recyclers recycled between 70 and 75% of the treated wastewater. In addition, a recycling facility, on an average, consumed 172.5 kWh of power for processing 1 ton of plastic waste. The average temperature was observed to be 36.5 °C and noise levels exceeded the permissible limits. Moreover, the industry is male-dominated, workers are mostly underpaid and have no access to good healthcare facilities. Recyclers lack standardization and have no national guidelines to follow. Guidelines and standardization of recycling process, wastewater treatment, use of renewable energy, water reuse etc, are direly needed for uplifting this sector and reducing its impacts on the environment.
    MeSH term(s) Humans ; Male ; Plastics ; Pakistan ; Industry ; Temperature ; Recycling ; Water ; Waste Management
    Chemical Substances Plastics ; Water (059QF0KO0R)
    Language English
    Publishing date 2023-07-01
    Publishing country England
    Document type Journal Article
    ZDB-ID 120089-6
    ISSN 1879-1298 ; 0045-6535 ; 0366-7111
    ISSN (online) 1879-1298
    ISSN 0045-6535 ; 0366-7111
    DOI 10.1016/j.chemosphere.2023.139338
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 2540: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (2.OG)
    ab Jg. 2022: Lesesaal (EG)

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  7. Article ; Online: Assessment of urban solid waste management systems for Industry 4.0 technology interventions and the circular economy.

    Kanojia, Abhishek / Visvanathan, Chettiyappan

    Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA

    2021  Volume 39, Issue 11, Page(s) 1414–1426

    Abstract: The ongoing fourth industrial revolution, Industry 4.0 (I4.0), is transforming various industries across the globe. At the same time, resource scarcity with high consumption rates has led to the development of the circular economy. Both concepts advocate ...

    Abstract The ongoing fourth industrial revolution, Industry 4.0 (I4.0), is transforming various industries across the globe. At the same time, resource scarcity with high consumption rates has led to the development of the circular economy. Both concepts advocate for sustainable growth and waste minimization. In developing countries, the integrated solid waste management framework is undergoing modification under I4.0 and the circular economy. Urban local bodies are often unable to measure the readiness of their waste management systems to transform under I4.0 and the circular economy. Here the novel concept of Waste 4.0 is developed. 'Waste 4.0' is a readiness assessment tool to promote the comprehensive transformation of municipal solid waste management under I4.0 and circular economy. This tool has eight determinants for assessing the municipal solid waste management of urban local bodies. To validate Waste 4.0 the urban local bodies of Indore and Sagar, India were used as case studies. The readiness index for I4.0 in the municipal solid waste management system in Indore and Sagar was 0.72 and 0.14, respectively. The readiness index for circular economy focus in Indore and Sagar was 0.65 and 0.13, respectively. The Indore urban local body was classified as an 'Experienced' player for I4.0 Intervention and a 'circular economy fast adopter' for circular economy focus under I4.0 readiness. The Sagar urban local body was classified as a 'Hesitator' player for I4.0 Intervention and achieved the 'Business as usual' tag for circular economy focus under I4.0 readiness. With the Waste 4.0 assessment results urban local bodies can better plan and thus transform their municipal solid waste management systems under I4.0 and the circular economy.
    MeSH term(s) Industry ; Refuse Disposal ; Solid Waste/analysis ; Technology ; Waste Management
    Chemical Substances Solid Waste
    Language English
    Publishing date 2021-04-25
    Publishing country England
    Document type Journal Article
    ZDB-ID 1480483-9
    ISSN 1096-3669 ; 1399-3070 ; 0734-242X
    ISSN (online) 1096-3669 ; 1399-3070
    ISSN 0734-242X
    DOI 10.1177/0734242X21992424
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Sustainable management practices of food waste in Asia: Technological and policy drivers.

    Joshi, Prabhat / Visvanathan, Chettiyappan

    Journal of environmental management

    2019  Volume 247, Page(s) 538–550

    Abstract: The policies and technological drivers to manage food waste in Asia have been shaped by the increasing awareness of the countries to this issue, their commitment to national and international development goals, their socio-economic constraints, and their ...

    Abstract The policies and technological drivers to manage food waste in Asia have been shaped by the increasing awareness of the countries to this issue, their commitment to national and international development goals, their socio-economic constraints, and their recognition of the potency to recover nutrients and energy from food waste. The concept of reduce, reuse and recycle (the 3R principles) streamline the existing food waste management policies, and scrutinising the gaps and challenges led to a conclusion that most of the countries emphasise food waste segregation and treatment instead of prevention at source itself. Furthermore, a qualitative SWOT analysis of five prevailing treatment options led to a conclusion that animal feeding, incineration, and landfilling are unsustainable since they pose various health and environmental hazard risks. It was further concluded that anaerobic digestion was the preferred option than aerobic digestion (composting) considering the characteristics of the available food waste in Asia as well as the underlying environmental and economic benefits. Moreover, decentralised, community-scale, anaerobic digestion system has been gaining traction over centralised, large-scale system because of their lower energy footprint, ease of operation, need for lesser resources, lower operation and maintenance costs, and higher chances of public acceptance. It was also observed that the policy to gain energy from segregated food waste is a larger driving force for the efforts to promote anaerobic digestion and thereby manage food waste sustainably.
    MeSH term(s) Animal Feed ; Animals ; Asia ; Food ; Incineration ; Recycling ; Refuse Disposal ; Waste Management
    Language English
    Publishing date 2019-06-28
    Publishing country England
    Document type Journal Article
    ZDB-ID 184882-3
    ISSN 1095-8630 ; 0301-4797
    ISSN (online) 1095-8630
    ISSN 0301-4797
    DOI 10.1016/j.jenvman.2019.06.079
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Bonn / Germany

    Z 7556: Show issues

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  9. Article ; Online: Management strategies for anaerobic digestate of organic fraction of municipal solid waste: Current status and future prospects.

    Logan, Mohanakrishnan / Visvanathan, Chettiyappan

    Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA

    2019  Volume 37, Issue 1_suppl, Page(s) 27–39

    Abstract: Anaerobic digestion has emerged as the preferred treatment for organic fraction of municipal solid waste. Digestate management strategies are devised not only for safe disposal but also to increase the value and marketability. Regulations and standards ... ...

    Abstract Anaerobic digestion has emerged as the preferred treatment for organic fraction of municipal solid waste. Digestate management strategies are devised not only for safe disposal but also to increase the value and marketability. Regulations and standards for digestate management are framed to address the pollution concerns, conserve vulnerable zones, prevent communicable diseases, and to educate on digestate storage and applications. Regulations and the desired end uses are the main drivers for the enhancement of digestate through pretreatment, in vessel cleaning, and post-digestion treatment technologies for solid and liquid fractions of digestate. The current management practice involves utilization of digestate for land application either as fertilizer or soil improver. Prospects are bright for alternative usage such as microalgal cultivation, biofuel and bioethanol production. Presently, the focus of optimization of the anaerobic digestion process is directed only towards enhancing biogas yield, ignoring the quality of digestate produced. A paradigm shift is needed in the approach from 'biogas optimization' to 'integrated biogas-digestate optimization'.
    MeSH term(s) Anaerobiosis ; Biofuels ; Fertilizers ; Refuse Disposal ; Soil ; Solid Waste
    Chemical Substances Biofuels ; Fertilizers ; Soil ; Solid Waste
    Language English
    Publishing date 2019-04-15
    Publishing country England
    Document type Journal Article
    ZDB-ID 1480483-9
    ISSN 1096-3669 ; 1399-3070 ; 0734-242X
    ISSN (online) 1096-3669 ; 1399-3070
    ISSN 0734-242X
    DOI 10.1177/0734242X18816793
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Effects of membrane relaxation rate on performance of pilot-scale membrane aerated biofilm reactors treating domestic wastewater.

    Anh-Vu, Nguyen / Yun-Je, Lee / Masumi, Kobayashi / Visvanathan, Chettiyappan

    Environmental research

    2022  Volume 211, Page(s) 113003

    Abstract: The membranes of a Membrane Aerated Biofilm Reactor (MABR) function as bubble-less air diffusers and bio-carriers. Recent bench-scale experiments reported that the shape of membranes influenced the oxygen transfer and utilization rates, which in turn ... ...

    Abstract The membranes of a Membrane Aerated Biofilm Reactor (MABR) function as bubble-less air diffusers and bio-carriers. Recent bench-scale experiments reported that the shape of membranes influenced the oxygen transfer and utilization rates, which in turn affected the pollutant removal performance of the MABR. In this study, two pilot-scale MABRs using multi-layer hollow fiber membranes with the relaxation rates of 0.1-1.8% (MABR 1) and 1.0-2.8% (MABR 2) were used for the treatment of organics and nitrogen in real medium-strength domestic wastewater. Higher-relaxation-rate membranes have loose and more curved fiber bunch that may allow biofilm to grow more easily and let air diffuse more efficiently. MABR 2 had achieved better performance than MABR 1 at 12- and 6-h Hydraulic Retention Time (HRT), with respectively 0.7-4.3%, 17.7-18.1%, and 5.5-9.0% higher removal efficiencies for Chemical Oxygen Demand (COD), Ammonia Nitrogen (NH
    MeSH term(s) Biofilms ; Bioreactors/microbiology ; Nitrogen ; Waste Disposal, Fluid ; Waste Water
    Chemical Substances Waste Water ; Nitrogen (N762921K75)
    Language English
    Publishing date 2022-02-25
    Publishing country Netherlands
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 205699-9
    ISSN 1096-0953 ; 0013-9351
    ISSN (online) 1096-0953
    ISSN 0013-9351
    DOI 10.1016/j.envres.2022.113003
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 726: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
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    Jg. 1995 - 2021: Lesesall (1.OG)
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