Garden waste biomass for renewable and sustainable energy production in China: Potential, challenges and development

Shi, Yan; Ge, Ying-En; Chang, Jie; Shao, Hongbo; YuLi, Tang

doi:10.1016/j.rser.2013.02.003

Cited by 133 publications

(64 citation statements)

References 32 publications

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“…However, the availability of the raw material should not conflict with the recreational uses of the spaces from which the vegetable waste is obtained [80]. Bioethanol production using waste from urban gardens can reach up to 12.6% of the annual demand for gasoline in China (42,334 million liters) [60]. In Tartu (Estonia), it was estimated that 93% of public transport fuel could be replaced with bioethanol produced by forestry waste from regularly maintained park and public greenery, private gardens and courtyard areas [59].…”

Section: Biofuelsmentioning

confidence: 99%

“…Generally, the plant residues are combined with common urban wastes to be sent to landfills. Therefore, management policies are required for their proper selection, processing and transport before sending them to biorefineries [60].…”

Section: Biofuelsmentioning

confidence: 99%

“…Biomass for energy may cause severe environmental damage or impact on the provision of food, while biomass coming from urban area waste is an alternative, because urban waste would have less ecological value or agricultural importance [52]. The maintenance of gardens provides an added value to this activity, because debris can be used for energy purposes [60]. Unlike the energy crops or forest biomass, garden waste would be ready to be transported, and its alternate use would reduce the costs of provision.…”

Section: Biomassmentioning

confidence: 99%

“…The use of biomass from pruning and garden waste for energy purposes has not been fully investigated [60]. McHugh [61] revealed the potential of short cycle vegetation to be used as fuel for district heating in Leicester City (England).…”

Section: Biomassmentioning

confidence: 99%

“…The analysis concludes that with the biomass available, it is possible that 3.3% (4200 housing units) of the thermal demand can be supplied. In China, the potential supply of electrical energy from waste from gardens varies between 10% and 100%, depending on the city [60].…”

Section: Biomassmentioning

confidence: 99%

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The Role of Renewable Energy in the Promotion of Circular Urban Metabolism

2017

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Cities are human creations requiring large amounts of materials and energy. Constant consumption of resources exerts pressure on the environment not only due to its exploitation, but also because once processed, the resources produce waste, emissions or effluents. Cities are responsible for more than three quarters of the emissions of greenhouse gases. It is anticipated that the urban population will increase by up to 80% by the mid-21st century, which will make the current energy model unsustainable, as it is based on the intensive use of fossil resources. A change in urban planning is required to meet the energy requirements of cities. Several studies mention that renewable energy must be used in cities, but they do not identify the resources and technologies that can be used to promote circular urban metabolism. A review of the literature establishes that there are eleven renewable technologies with different degrees of maturity that could reduce the import of energy resources, which would contribute to changing the metabolic linear model into a circular model. However, the applicability of the different possibilities is conditional upon the availability of resources, costs, policies and community acceptance.

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Section: Biofuelsmentioning

confidence: 99%

Section: Biofuelsmentioning

confidence: 99%

Section: Biomassmentioning

confidence: 99%

Section: Biomassmentioning

confidence: 99%

Section: Biomassmentioning

confidence: 99%

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The Role of Renewable Energy in the Promotion of Circular Urban Metabolism

2017

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Multi‐Pathways for Sustainable Fuel Production from Biomass Using Zirconium‐Based Catalysts: A Comprehensive Review

Purnama,

Trisunaryanti,

Wijaya

et al. 2023

Energy Tech

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Numerous concerns, including environmental impact and public health issues, drive the urgent need to replace nonrenewable fossil fuels with renewable energy sources, with biomass emerging as a viable alternative globally. In this comprehensive review, the urgent need to transition from nonrenewable fossil fuels to renewable energy sources is addressed, focusing on biomass as a global alternative. It examines the role of zirconium‐based catalysts in converting biomass into biofuels and hydrogen. Various biomass extraction methods based on the thermochemical processes (pyrolysis, gasification, hydrothermal liquefaction, hydrocracking, and steam reforming) are explored, including their merits and limitations. Additionally, the properties of zirconium‐based catalysts and their catalytic efficiency in biomass conversion are assessed, highlighting the factors influencing their performance. In this literature review, the promising potential of zirconium‐based catalysts in enhancing the sustainability and efficiency of global biofuel production from biomass is revealed. It underscores the critical role of biomass as a renewable energy source and highlights the significance of zirconium‐based catalysts in advancing sustainable biofuel production. It offers insights into addressing environmental concerns, promoting public health, and supporting the global transition toward renewable energy solutions.

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