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1. Contributors

Author

Almeida, Arminda, primary, Angelone, Silvia, additional, Azarijafari, Hessam, additional, Balige, Marcela, additional, Bhuiyan, Muhammed Ali, additional, Biancardo, Salvatore Antonio, additional, BintiJoohari, Ilya, additional, Boom, Yeong Jia, additional, Capitão, Silvino, additional, Casaux, Marina Cauhapé, additional, Desidery, Luca, additional, Dylla, Heather, additional, Enfrin, Marie, additional, Eskandarsefat, Shahin, additional, Gennusa, Gioacchino, additional, Giustozzi, Filippo, additional, Grist, Stephen, additional, Haque, Nawshad, additional, Jadhav, Ankit, additional, Jadhav, Harshit, additional, Jatoi, Abdul Sattar, additional, Kakar, Muhammad Rafiq, additional, Lanotte, Michele, additional, Maniam, Subashani, additional, Mantecca, Paride, additional, Marradi, Alessandro, additional, Martinez, Fernando, additional, Meroni, Fabrizio, additional, Mikhailenko, Peter, additional, Monira, Sirajum, additional, Nizamuddin, Sabzoi, additional, Oreto, Cristina, additional, Perucca, Massimo, additional, Piao, Zhengyin, additional, Picado-Santos, Luís, additional, Pizzol, Massimo, additional, Poulikakos, Lily, additional, Pramanik, Biplob Kumar, additional, Rangelov, Milena, additional, Rizzi, Laura Giorgia, additional, Russo, Francesca, additional, Sangiorgi, Cesare, additional, Santos, Joao, additional, Sivaneswaran, Nadarajah, additional, Takkalkar, Pooja, additional, Tataranni, Piergiorgio, additional, Venturini, Loretta, additional, Veropalumbo, Rosa, additional, Viscione, Nunzio, additional, Willis, J. Richard, additional, Yin, Fan, additional, and Zorzutti,, Luis, additional

Published
2022
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3. Contributors

Author

Abro, Rashid, primary, Adesina, Adeyemi, additional, Ahmad, Akil, additional, Ahmed, Shoaib, additional, Ahamd, Zahoor, additional, Akhter, Faheem, additional, Ali, Esfandyar, additional, Ali, Imran, additional, Anees, Muhammad, additional, Annavaram, Viswadevarayalu, additional, Awoyera, Paul O., additional, Ayub, Muhammad Ashar, additional, Babkin, Alexander V., additional, Baloch, Humair Ahmed, additional, Bandala, Erick R., additional, Banerjee, Sushmita, additional, Barua, Pranta, additional, Bhamore, Jigna R., additional, Burakov, Alexander E., additional, Burakova, Irina V., additional, Chauhan, Heena, additional, Cruz, Guilherme C.F., additional, Cueva-Sola, Ana Belen, additional, Das, Sumistha, additional, Debnath, Nitai, additional, Dhiman, Shikha, additional, Farooqi, Zia Ur Rahman, additional, Fatima, Hina, additional, Garg, Vinod Kumar, additional, Gautam, Pavan Kumar, additional, Gupta, Renuka, additional, Helal, Wasim M.K., additional, Hossain, Nazia, additional, Ibrahim, Mohamad Nasir Mohd, additional, Ikechukwu, Eberechukwu Laura, additional, Islam, Tariqul, additional, Jatoi, Abdul Sattar, additional, Jeong, Jong-Ryul, additional, John, Juliana, additional, Jorepalli, Sumalatha, additional, Jyothi, Rajesh Kumar, additional, Kailasa, Suresh Kumar, additional, Karri, Rama Rao, additional, Kataria, Navish, additional, Kayshar, Md Shahidullah, additional, Kim, Dongsoo, additional, Kırgız, Mehmet Serkan, additional, Koduru, Janardhan Reddy, additional, Kuchi, Rambabu, additional, Kumar, Jai, additional, Latif, Kashif, additional, Lee, Jin-Young, additional, Martins, Lucas G., additional, Mazari, Shaukat Ali, additional, Medina-Orendain, Daniel A., additional, Melezhik, Alexander V., additional, Memon, Abdul Qayoom, additional, Mubarak, Nabisab Mujawar, additional, Muhammad, Atta, additional, Muhammad, Riaz, additional, Nadeem, Muhammad, additional, Naeem, Asif, additional, Naz, Iffat, additional, Neskoromnaya, Elena A., additional, Nizamuddin, Sabzoi, additional, Nnaji, Chidozie Charles, additional, Othmani, Amina, additional, Padmanaban, V.C., additional, Pandey, Krishna Kumar, additional, Parhi, Pankaj Kumar, additional, Park, Tae-Jung, additional, Ramirez, Irwing, additional, Rashid, Mohd, additional, Rawat, Shalu, additional, Rehman, Abdul, additional, Zia ur Rehman, Muhammad, additional, Rizwan, Muhammad, additional, Rodríguez-Narvaez, Oscar M., additional, Sabzoi, Nizamuddin, additional, Samanta, Sintu Kumar, additional, Savu, Raluca, additional, Sehar, Shama, additional, Shabaan, Muhammad, additional, Shrestha, Bhanu, additional, Sidddiqui, MTH, additional, Simate, Geoffrey S., additional, Singh, Bharti, additional, Singh, Jiwan, additional, Singh, Megha, additional, Singh, Ved Vati, additional, Somala, Adinarayana Reddy, additional, Stanisic, Danijela, additional, Tasic, Ljubica, additional, Tkachev, Alexey G., additional, Tripathi, Manoj, additional, Ugwu, Emmanuel Ikechukwu, additional, Umair, Muhammad, additional, Umar, Wajid, additional, Villaseñor-Basulto, Deborah L., additional, Yaqoob, Asim Ali, additional, Younis, Adnan, additional, and Zia, Husnain, additional

Published
2022
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7. Contributors

Author

Abro, Rashid, primary, Ajani, Olayinka Oyewale, additional, Baloch, A.G., additional, Baloch, Humair Ahmed, additional, Bansal, Sarika, additional, Boddula, Rajender, additional, Dandia, Anshu, additional, Dolzhenko, Anton V., additional, Faisal, Muhammad, additional, Faisca Phillips, Ana Maria M.M., additional, Gan, Chee-Yuen, additional, Ghosh, Rinky, additional, Gupta, Shyam L., additional, Hossain, Nazia, additional, Indora, Aayushi, additional, Jatoi, Abdul Sattar, additional, Kour, Parteek, additional, Kumar, Anil, additional, Lanjekar, Kavita J., additional, Le Doan, Tan Hoang, additional, Leyva, Elisa, additional, López, Lluvia I., additional, Loredo-Carrillo, Silvia E., additional, Mahawar, Dinesh Kumar, additional, Mallakpour, Shadpour, additional, Mazari, Shaukat Ali, additional, Molnár, Árpád, additional, Mubarak, N.M., additional, Nguyen, Hai Truong, additional, Nguyen, Linh Ho Thuy, additional, Nizamuddin, Sabzoi, additional, Olalere, Olusegun Abayomi, additional, Parewa, Vijay, additional, Pombeiro, Armando J.L., additional, Pothu, Ramyakrishna, additional, Qureshi, Sundus Saeed, additional, Rathod, Virendra K., additional, Rawat, Neha Kanwar, additional, Saini, Pratibha, additional, Shankaraiah, Nagula, additional, Sharifi, Mahdieh, additional, Sharma, Ruchi, additional, Siddiqui, M.T.H., additional, Tabesh, Farbod, additional, Takkalkar, Pooja, additional, Tokala, Ramya, additional, and Tran, Phuong Hoang, additional

Published
2021
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10. Microwave-Assisted Synthesis for Carbon Nanomaterials

Author

Nizamuddin, Sabzoi, primary, Abbasi, Sadaf Aftab, additional, Jatoi, Abdul Sattar, additional, Siddiqui, M.T.H., additional, Baloch, Humair Ahmed, additional, Mubarak, N.M., additional, Griffin, G.J., additional, Abdullah, E.C., additional, Qureshi, Khadija, additional, and Karri, Rama Rao, additional

Published
2019
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11. List of Contributors

Author

Abbasi, Sadaf Aftab, primary, Abdeltwab, E., additional, Abdullah, E.C., additional, Afonso, María M., additional, Baloch, Humair Ahmed, additional, Bhagwan, Jai, additional, Chowdhury, Arpita Hazra, additional, Coria, Octavio Rodriguez, additional, Dar, Mudasir H., additional, Debnath, Rinku, additional, Gaddam, Rohit Ranganathan, additional, Griffin, G.J., additional, Grohens, Yves, additional, Islam, Sk. Manirul, additional, Jatoi, Abdul Sattar, additional, Jesionek, Marcin, additional, Jimenez, Walmy Cuello, additional, Jyothi, L., additional, Kalarikkal, Nandakumar, additional, Karri, Rama Rao, additional, Kokol, Vanja, additional, Kuladeep, R., additional, Kumar, Nagesh, additional, Kumar, Nanjundan Ashok, additional, Lazić, Vesna, additional, Manukyan, K.V., additional, Merchan-Merchan, Wilson, additional, Mistewicz, Krystian, additional, Mubarak, N.M., additional, Mukasyan, A.S., additional, Narayan, Ramanuj, additional, Nedeljković, Jovan M., additional, Nizamuddin, Sabzoi, additional, Nowak, Marian, additional, Palenzuela, José Antonio, additional, Pandit, A.B., additional, Pinjari, Dipak, additional, Beeran Pottathara, Yasir, additional, Praveen, G., additional, Qureshi, Khadija, additional, Raj, Shweta, additional, Raju, K.V.S.N., additional, Rao, D. Narayana, additional, Saha, Tanima, additional, Saikiran, V., additional, Salam, Noor, additional, Sasidharan, Santanu, additional, Saudagar, Prakash, additional, Sharma, Yogesh, additional, Siddiqui, M.T.H., additional, Sonawane, Shirish, additional, Sonawane, Shriram, additional, Taher, F.A., additional, Thomas, Sabu, additional, Tzounis, Lazaros, additional, Wallis, Chad, additional, and Zhao, X.S., additional

Published
2019
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12. Life cycle assessment (LCA) of using recycled plastic waste in road pavements: Theoretical modeling

Author

Oliveira dos Santos, Joao Miguel, Pizzol, Massimo, Azarijafari, Hessam, Giustozzi, Filippo, Nizamuddin, Sabzoi, Giustozzi, Filippo, Nizamuddin, Sabzoi, and Construction Management and Engineering

Subjects
Consequential life cycle assessment (Consequential LCA), Waste plastic, Recycling, Asphalt pavements, Life cycle assessment (LCA)
Abstract

Every year, considerable amounts of waste materials are produced and landfilled due to the construction, maintenance, and rehabilitation of road pavements. As a result, the road pavement sector is under increasing societal pressure to mitigate the negative environmental impacts arising from these construction and maintenance activities. Among other initiatives, the conversion of waste materials into alternative raw materials for road paving applications has been proposed to lower the extraction of virgin raw materials. As the market for recycled materials, including plastic recyclates, is becoming more complex, it is increasingly more difficult to quantify the potential environmental benefits of using these materials for road construction. A systematic appraisal method to assess the extent to which such practices are indeed environmentally beneficial is life cycle assessment (LCA). After presenting a condensed overview of the plastic waste management system and how plastic recyclates can be used in asphalt mixtures, this chapter offers an overview of the LCA methodology, including its main phases, elements, and modeling approaches. This is followed by a brief description of how the LCA methodology has been embraced by the pavement community, and the presentation of concepts, methodological, and operational aspects related to the application of LCA to waste management systems. A conceptual example of a consequential LCA case study is then presented to investigate the potential environmental consequences of utilizing plastic recyclates in place of virgin aggregates in the production of asphalt mixtures. This chapter then concludes with current challenges and open issues related to advanced LCA modeling aspects and opportunities for increasing the use of plastic recyclates in asphalt pavements. While the presented fundamentals of LCA modeling of recycled materials and pavements will be valuable for young researchers and practitioners, the explanation of consequential, and attributional LCA modeling approaches can provide interesting insights for advanced users.

Published
2022
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14. Contributors

Author

Rashid Abro, Adeyemi Adesina, Akil Ahmad, Shoaib Ahmed, Zahoor Ahamd, Faheem Akhter, Esfandyar Ali, Imran Ali, Muhammad Anees, Viswadevarayalu Annavaram, Paul O. Awoyera, Muhammad Ashar Ayub, Alexander V. Babkin, Humair Ahmed Baloch, Erick R. Bandala, Sushmita Banerjee, Pranta Barua, Jigna R. Bhamore, Alexander E. Burakov, Irina V. Burakova, Heena Chauhan, Guilherme C.F. Cruz, Ana Belen Cueva-Sola, Sumistha Das, Nitai Debnath, Shikha Dhiman, Zia Ur Rahman Farooqi, Hina Fatima, Vinod Kumar Garg, Pavan Kumar Gautam, Renuka Gupta, Wasim M.K. Helal, Nazia Hossain, Mohamad Nasir Mohd Ibrahim, Eberechukwu Laura Ikechukwu, Tariqul Islam, Abdul Sattar Jatoi, Jong-Ryul Jeong, Juliana John, Sumalatha Jorepalli, Rajesh Kumar Jyothi, Suresh Kumar Kailasa, Rama Rao Karri, Navish Kataria, Md Shahidullah Kayshar, Dongsoo Kim, Mehmet Serkan Kırgız, Janardhan Reddy Koduru, Rambabu Kuchi, Jai Kumar, Kashif Latif, Jin-Young Lee, Lucas G. Martins, Shaukat Ali Mazari, Daniel A. Medina-Orendain, Alexander V. Melezhik, Abdul Qayoom Memon, Nabisab Mujawar Mubarak, Atta Muhammad, Riaz Muhammad, Muhammad Nadeem, Asif Naeem, Iffat Naz, Elena A. Neskoromnaya, Sabzoi Nizamuddin, Chidozie Charles Nnaji, Amina Othmani, V.C. Padmanaban, Krishna Kumar Pandey, Pankaj Kumar Parhi, Tae-Jung Park, Irwing Ramirez, Mohd Rashid, Shalu Rawat, Abdul Rehman, Muhammad Zia ur Rehman, Muhammad Rizwan, Oscar M. Rodríguez-Narvaez, Nizamuddin Sabzoi, Sintu Kumar Samanta, Raluca Savu, Shama Sehar, Muhammad Shabaan, Bhanu Shrestha, MTH Sidddiqui, Geoffrey S. Simate, Bharti Singh, Jiwan Singh, Megha Singh, Ved Vati Singh, Adinarayana Reddy Somala, Danijela Stanisic, Ljubica Tasic, Alexey G. Tkachev, Manoj Tripathi, Emmanuel Ikechukwu Ugwu, Muhammad Umair, Wajid Umar, Deborah L. Villaseñor-Basulto, Asim Ali Yaqoob, Adnan Younis, and Husnain Zia

Published
2022
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16. Environmental impact of using nanomaterials in textiles

Author

Humair Ahmed Baloch, Abdul Sattar Jatoi, Vinod Kumar, Asif Shah, Nizamuddin Sabzoi, Zubair Lghari, Rashid Abro, Shaukat Ali Mazari, Nabisab Mujawar Mubarak, and Abdul Karim Shah

Subjects
Sewage sludge, Textile industry, Wastewater, Waste management, business.industry, Sustainability, Environmental science, Environmental impact assessment, business, Environmental degradation, Nanomaterials
Abstract

Nanotextiles are emerging engineered materials for textile industry. However, the exposure of these materials possesses risks to health, environment, and sustainability. It has been observed that nanosized materials from commercial textiles are released during their washing and/or abrasive exposure, which cause their accumulation in water bodies and soil. Production of biocidal nanotextiles is also reported in the literature, which can destroy the aquatic echo system when dumped into waters. The acquisition of data on emissions and environmental concentrations of nanoparticles (NPs) of the nanotextiles is of utmost importance. There is a lack of sustainable separation procedures and analytical methodologies to determine the concentrations of nanomaterials. Moreover, quantification of fate of nanotextiles is also important as currently some of the major sinks of the nanotextiles are sewage sludge, wastewater, air and soil, which contribute to the environmental degradation. This chapter highlights the application of nanomaterials in textiles, release of nanomaterials from textiles, analytical procedures for determination of NPs from water, their toxicity, and threats to public health and environment.

Published
2021
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17. Current applications of smart nanotextiles and future trends

Author

Shaukat Ali Mazari, Nabisab Mujawar Mubarak, Humair Ahmed Baloch, Abdul Sattar Jatoi, Fahad Saleem Ahmed Khan, Rashid Abro, Nizamuddin Sabzoi, Mushtaq Ahmed, and Javeria Ahmed

Subjects
Textile industry, Engineering, Textile, business.industry, Uv absorption, Wearable computer, Nanotechnology, business, Triboelectric effect
Abstract

Nanomaterials have attained significant applications in textile materials. Nanomaterials provide several functional, physical, chemical, mechanical, and electrical properties to the textiles. These characteristics make textile materials suitable for a variety of applications. Nanotextile materials have been tested for applications in corrosive environments, fire protection, UV absorption, antibacterial, and antiodor effect, water repulsion, shape memory supercapacitors, triboelectric nanogenerators, drug delivery, electrocardiography, electroencephalography, electrooculography, electromyography, bioimpedance, and several other applications. The demand is also increasing because of convenient and mobile use of wearable textiles. Based on the application trends, it may be safe to assume that nanotextile materials shall dominate the textile industry in future. This chapter highlights the important properties of nanomaterials for textiles, discusses applications, trends and prospects of nanotextile materials.

Published
2021
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18. Catalytic upgradation of bio-oil over metal supported activated carbon catalysts in sub-supercritical ethanol

Author

Baloch, Humair Ahmed, Nizamuddin, Sabzoi, Siddiqui, M. T.H., Riaz, Sajid, Konstas, Kristina, Mubarak, N. M., Srinivasan, M. P., Griffin, G. J., Baloch, Humair Ahmed, Nizamuddin, Sabzoi, Siddiqui, M. T.H., Riaz, Sajid, Konstas, Kristina, Mubarak, N. M., Srinivasan, M. P., and Griffin, G. J.

Abstract

Baloch, H. A., Nizamuddin, S., Siddiqui, M. T. H., Riaz, S., Konstas, K., Mubarak, N. M., ... Griffin, G. J. (2021). Catalytic upgradation of bio-oil over metal supported activated carbon catalysts in sub-supercritical ethanol. Journal of Environmental Chemical Engineering, 9(2), article 105059. https://doi.org/10.1016/j.jece.2021.105059

19. Effect of solvent on hydro-solvothermal co liquefaction of sugarcane bagasse and polyethylene for bio-oil production in ethanol–water system

Author

<p>RMIT University</p>, Baloch, Humair Ahmed, Siddiqui, M. T. H., Nizamuddin, Sabzoi, Riaz, Sajid, Haris, Muhammad, Mubarak, N. M., Griffin, G. J., Srinivasan, M. P., <p>RMIT University</p>, Baloch, Humair Ahmed, Siddiqui, M. T. H., Nizamuddin, Sabzoi, Riaz, Sajid, Haris, Muhammad, Mubarak, N. M., Griffin, G. J., and Srinivasan, M. P.

Abstract

Baloch, H. A., Siddiqui, M. T. H., Nizamuddin, S., Riaz, S., Haris, M., Mubarak, N. M., ... Srinivasan, M. P. (2021). Effect of solvent on hydro-solvothermal co liquefaction of sugarcane bagasse and polyethylene for bio-oil production in ethanol–water system. Process Safety and Environmental Protection, 148, 1060-1069. https://doi.org/10.1016/j.psep.2021.02.015

20. Performance of waste plastic bio-oil as a rejuvenator for asphalt binder.

Author

Nizamuddin S, Baloch HA, Jamal M, Madapusi S, and Giustozzi F

Subjects
Plant Oils, Polyphenols, Hydrocarbons, Plastics
Abstract

Pavement recycling is actively applied on asphalt roads due to ageing problems associated with bituminous binders when exposed to weathering and trafficking during their service life. Recycling of asphalt occurs through rejuvenator agents. This study utilised bio-oil produced from hydrothermal liquefaction of waste plastic films (linear low-density polyethylene - LLDPE) to rejuvenate laboratory-aged bitumen. Initially, the neat bitumen was aged through thermal ageing (Pressure Ageing Vessel - PAV) and then the aged binder was mixed with bio-oil from waste plastics at 5% and 8% bio-oil (BO) by weight of aged binder. All four binders including neat bitumen, aged bitumen, aged bitumen/BO-5% and aged bitumen/BO-8% were analysed for thermogravimetric analysis, Fourier Transform Infra-Red analysis, rheology in the linear viscoelastic region, multiple stress creep and recovery analysis, and linear amplitude sweep analysis. The ageing of neat binder resulted in hardening of the binder; however, the bio-oil rejuvenator softened the aged binder significantly. The thermo-chemical and rheological performance of aged binder was significantly improved after the addition of bio-oil. The outcomes suggest how bio-oil produced from hydrothermal liquefaction of waste plastics (possibly non-recyclable) may serve as potential rejuvenator for aged asphalt binders in an effort to recycle more using non-recyclable material., Competing Interests: Declaration of competing interest The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: Sabzoi Nizamuddin reports financial support was provided by Sustainability Victoria., (Copyright © 2022 Elsevier B.V. All rights reserved.)

Published
2022
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21. Integrated treatment of food waste with wastewater and sewage sludge: Energy and carbon footprint analysis with economic implications.

Author

Iqbal A, Zan F, Siddiqui MA, Nizamuddin S, and Chen G

Subjects
Anaerobiosis, Bioreactors, Carbon Footprint, Food, Methane, Waste Disposal, Fluid methods, Wastewater, Refuse Disposal methods, Sewage
Abstract

Food waste (FW) is a primary constituent of solid waste and its adequate management is a global challenge. Instead of disposal in landfills, integrated treatment of FW with wastewater (WW) can diminish both environmental and economic burdens. Utilizing steady-state modelling and life cycle assessment techniques, this study investigated the prospects of FW integration with biological WW treatment in terms of WW treatment performance, net energy and carbon footprint and economics of the process. The explored scenarios include co-disposal and treatment with WW by using FW disposers and anaerobic co-digestion with sewage sludge in Hong Kong. Compared to the existing WW and FW treatment, the integrated scenarios significantly improved the energy balance (~83-126%), net greenhouse gas emissions (~90%), and economics of operation, with permissible impact on WW treatment performance. Therefore, utilizing the surplus capacity of the existing WW treatment facilities, these integrated scenarios are a promising solution for sustainable development., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2022 Elsevier B.V. All rights reserved.)

Published
2022
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22. Recycling of low-value packaging films in bitumen blends: A grey-based multi criteria decision making approach considering a set of laboratory performance and environmental impact indicators.

Author

Nizamuddin S, Jamal M, Santos J, and Giustozzi F

Abstract

Many road construction and maintenance projects are increasingly using recycled material as pavement material. Most of the times, generic sustainability evaluations are ascribed to recycled products without fully considering their performance. The potential environmental benefits of various alternatives can be analytically evaluated with Life Cycle Assessment while many performance indicators can be found through laboratory and field tests. However, it is highly uncommon for these two approaches to be combined in the same assessment methodology and most of the analyses rely on one or the other. Trading off between environmental advantages and performance and durability in the field is considered of utmost importance when evaluating construction alternatives, especially on large projects. This study utilizes recycled plastic packaging films for bitumen modification. The recycled polyolefin blend is a combination of linear low-density polyethylene and low-density polyethylene (LLDPE/LDPE). LLDPE/LDPE was added in bitumen at various dosages (i.e., from 3% to 12% by weight of the bitumen) to assess the effect of recycled LLDPE/LDPE on the binder physio-chemical, rheological and thermal performance. In addition to the various laboratory performance tests, the environmental sustainability of the alternatives was evaluated through an LCA study. Finally, the outcomes from the two approaches (laboratory performance and environmental impact assessment) were combined via grey relational analysis to identify the best overall alternative. It was found that the storage stability of LLDPE/LDPE modified blends varied from 6 °C to 57 °C whereas the storage stability value of A35P was 2 °C. Softening point of bitumen was 44.1 °C which improved to 55.7-104.1 °C at different content of LLDPE/LDPE. The melting temperature of LLDPE/LDPE modified blends was 100.22, 101.44, 101.87 and 102.49 for LLDPE/LDPE-3%, LLDPE/LDPE-6%, LLDPE/LDPE-9% and LLDPE/LDPE-12%. The methodology highlighted in the paper can be easily adapted to other scenarios, hence facilitating multi-attribute decision-making processes when incorporating recycled materials in roads and leading to better informed decisions., Competing Interests: Declaration of competing interest The authors declare that they have no competing financial interests or personal relationships that could have influenced the work presented in this paper., (Copyright © 2021 Elsevier B.V. All rights reserved.)

Published
2021
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23. A comprehensive review on magnetic carbon nanotubes and carbon nanotube-based buckypaper for removal of heavy metals and dyes.

Author

Khan FSA, Mubarak NM, Tan YH, Khalid M, Karri RR, Walvekar R, Abdullah EC, Nizamuddin S, and Mazari SA

Abstract

Industrial effluents contain several organic and inorganic contaminants. Among others, dyes and heavy metals introduce a serious threat to drinking waterbodies. These pollutants can be noxious or carcinogenic in nature, and harmful to humans and different aquatic species. Therefore, it is of high importance to remove heavy metals and dyes to reduce their environmental toxicity. This has led to an extensive research for the development of novel materials and techniques for the removal of heavy metals and dyes. One route to the removal of these pollutants is the utilization of magnetic carbon nanotubes (CNT) as adsorbents. Magnetic carbon nanotubes hold remarkable properties such as surface-volume ratio, higher surface area, convenient separation methods, etc. The suitable characteristics of magnetic carbon nanotubes have led them to an extensive search for their utilization in water purification. Along with magnetic carbon nanotubes, the buckypaper (BP) membranes are also favorable due to their unique strength, high porosity, and adsorption capability. However, BP membranes are mostly used for salt removal from the aqueous phase and limited literature shows their applications for removal of heavy metals and dyes. This study focuses on the existence of heavy metal ions and dyes in the aquatic environment, and methods for their removal. Various fabrication approaches for the development of magnetic-CNTs and CNT-based BP membranes are also discussed. With the remarkable separation performance and ultra-high-water flux, magnetic-CNTs, and CNT-based BP membranes have a great potential to be the leading technologies for water treatment in future., (Copyright © 2021 Elsevier B.V. All rights reserved.)

Published
2021
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