Resource recovery from inert municipal waste

Sharma, Vandana; Giri, Anand; Thakur, Shubham; Pant, Deepak

doi:10.1016/b978-0-444-64321-6.00013-6

Cited by 2 publications

(5 citation statements)

References 38 publications

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“…The term 'inert waste' refers to the type of waste that cannot undergo physical, chemical, and biological transformations (Sharma et al, 2020). Inert waste is generated mainly from construction, excavation, demolition, and glass processing activities (Menegaki and Damigos, 2018;Sharma et al, 2020). Such type of wastes also contributes to environmental and healthrelated issues.…”

Section: Inert Wastementioning

confidence: 99%

“…For example, ash generated from various industrial and mining activities can be recycled to prepare geopolymers with a great polymerization affinity (Ahmari and Zhang, 2015;Capasso et al, 2019). The recycled aggregates obtained from concrete and demolition waste can construct roads, landscaping, cementitious materials, and concrete (Sharma et al, 2020). The glass waste materials can also be recycled many times without significant alteration in their chemical characteristics (Shayan and Xu, 2004;Sharma et al, 2020).…”

Section: Inert Wastementioning

confidence: 99%

“…The recycled aggregates obtained from concrete and demolition waste can construct roads, landscaping, cementitious materials, and concrete (Sharma et al, 2020). The glass waste materials can also be recycled many times without significant alteration in their chemical characteristics (Shayan and Xu, 2004;Sharma et al, 2020). The glass waste has potential application to use as an aggregate in construction (Mohajerani et al, 2017;Mohammadinia et al, 2019), as a low-cost adsorbent material four thin layer chromatography techniques (Ying et al, 2009;Sharma et al, 2020) and in removal and recovery of phosphate from water (Jiang et al, 2017).…”

Section: Inert Wastementioning

confidence: 99%

“…The glass waste materials can also be recycled many times without significant alteration in their chemical characteristics (Shayan and Xu, 2004;Sharma et al, 2020). The glass waste has potential application to use as an aggregate in construction (Mohajerani et al, 2017;Mohammadinia et al, 2019), as a low-cost adsorbent material four thin layer chromatography techniques (Ying et al, 2009;Sharma et al, 2020) and in removal and recovery of phosphate from water (Jiang et al, 2017). The waste metal scrap can be recycled over and over again as its properties are not altered and can also be transformed into new metals, as a coating material and in the production of concrete as a partial replacement of sand (Andersson et al, 2017;Shemi et al, 2018;Melugiri-Shankaramurthy et al, 2019).…”

Section: Inert Wastementioning

confidence: 99%

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Solid Waste Management in Indian Himalayan Region: Current Scenario, Resource Recovery, and Way Forward for Sustainable Development

et al. 2021

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With the growing population, solid waste management (SWM) is becoming a significant environmental challenge and an emerging issue, especially in the eco-sensitive Indian Himalayan region (IHR). Though IHR does not host high local inhabitants, growing tourist footfall in the IHR increases solid wastes significantly. The lack of appropriate SWM facilities has posed a serious threat to the mountain-dwelling communities. SWM is challenging in the highlands due to the remoteness, topographical configuration, increasing urbanization, and harsh climate compared to plain areas. Difficulty in managing SWM has led to improper disposal methods, like open dumping and open burning of waste, that are adversely affecting the fragile IHR ecosystem. Open dumping of unsegregated waste pollutes the freshwater streams, and burning releases major pollutants often linked to the glacier melt. Processes like composting, vermicomposting, and anaerobic digestion to treat biodegradable wastes are inefficient due to the regions' extreme cold conditions. IHR specific SWM rules were revised in 2016 to deal with the rising problem of SWM, providing detailed criteria for setting up solid waste treatment facilities and promoting waste-to-energy (WtE). Despite governments' effort to revise SWM; measures like proper collection, segregation, treatment, and solid waste disposal needs more attention in the IHR. Door-to-door collection, segregation at source, covered transportation, proper treatment, and disposal are the primary steps to resource recovery across the IHR. Approaches such as waste recycling, composting, anaerobic digestion, refuse-derived fuel (RDF), and gas recovery from landfills are essential for waste alteration into valuable products initiatives like 'ban on single-use plastic' and 'polluters to pay' have a potential role in proper SWM in the IHR. Research and technology, capacity building, mass awareness programs, and initiatives like ‘ban on single-use plastic’ and ‘polluters to pay’ have a potential role in proper SWM in the IHR. This review highlights the current status of waste generation, the current SWM practices, and SWM challenges in the IHR. The review also discusses the possible resource recovery from waste in the IHR, corrective measures introduced by the government specific to IHR and, the way forward for improved SWM for achieving sustainable development of the IHR.

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Section: Inert Wastementioning

confidence: 99%

Section: Inert Wastementioning

confidence: 99%

Section: Inert Wastementioning

confidence: 99%

Section: Inert Wastementioning

confidence: 99%

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Solid Waste Management in Indian Himalayan Region: Current Scenario, Resource Recovery, and Way Forward for Sustainable Development

et al. 2021

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“…Therefore, before being disposed of into the environment, such coloured effluents need to undergo adequate treatment. Due to the total mineralisation and neutralisation of these pollutants from wastewater, photocatalytic degradation of organic compounds has recently attracted increased attention [2]. It is a sophisticated oxidation process that splits water both vigorously and gradually when exposed to UV-visible radiation and uses photons to make hydrogen or carbon dioxide [3].…”

Section: Introductionmentioning

confidence: 99%

Improved photocatalytic and free radical scavenging studies of synthesized polymer PVP/Azadirachta indica leave extract-mediated Ni-Zn doped hematite nanoparticles

Kumar,

Tapwal,

Kumar

et al. 2024

Adv. Nat. Sci: Nanosci. Nanotechnol.

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The utilisation of ecological materials, such as plant extracts, is a superior alternative to both physical and chemical techniques for the synthesis of nanoscale metallic particles. The current study concluded that the chemical polymer (PVP) and Azadirachta indica (A. indica) plant extract synthesised hematite nanoparticles (HNPs) were spherical, monodispersed, and served as an agent for reducing and capping. The pure HNPs with the most reliable rhombohedral symmetry were found to be crystalline thanks to the crisp x-ray diffraction (XRD) reflections. Spheroidal nanostructures were formed, as seen by scanning electron microscopy (SEM), and their composition was validated by an energy dispersive spectroscopy (EDS) study. At room temperature, HNPs were antiferromagnetic with blocking temperature of 300 K. When used as a catalyst, the NPs were exposed to effective degradation and coefficient of determination (R 2) of the toxic Eosin Yellow (EY) and Bismarck Brown Y (BBY) dyes in the presence of UV irradiation. After four consecutive cycles, efficient performance was achieved without any evident catalytic loss. Additionally, the reusability experiments revealed that under direct UV light illumination, duel-doped HNPs may be successfully used three times. The biosynthesised doped HNPs from A. indica leaf extract demonstrated antioxidant activity through their high phenolic and flavonoid contents, DPPH radical scavenging activity, and reductive potential.

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Resource recovery from inert municipal waste

Cited by 2 publications

References 38 publications

Solid Waste Management in Indian Himalayan Region: Current Scenario, Resource Recovery, and Way Forward for Sustainable Development

Solid Waste Management in Indian Himalayan Region: Current Scenario, Resource Recovery, and Way Forward for Sustainable Development

Improved photocatalytic and free radical scavenging studies of synthesized polymer PVP/Azadirachta indica leave extract-mediated Ni-Zn doped hematite nanoparticles

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