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Spatiotemporal evolution and driving factors for GHG emissions of aluminum industry in China

Frontiers in Energy 2023, Volume 17, Issue 2,   Pages 294-305 doi: 10.1007/s11708-022-0819-7

Abstract: China’s aluminum (Al) production has released a huge amount of greenhouse gas (GHG) emissions.As one of the biggest country of primary Al production, China must mitigate its overall GHG emissionDecomposition analysis is also performed to uncover the driving factors of GHG emission generated fromemission from electricity accounts for 78.14% of the total GHG emission generated from the Al industry; China’s current Al recycling ratio is low although the corresponding GHG emission can be reduced by

Keywords: aluminum     material flow analysis     GHG (greenhouse gas) emissions     LMDI (logarithmic mean divisa index    

Abating transport GHG emissions by hydrogen fuel cell vehicles: Chances for the developing world

Han HAO, Zhexuan MU, Zongwei LIU, Fuquan ZHAO

Frontiers in Energy 2018, Volume 12, Issue 3,   Pages 466-480 doi: 10.1007/s11708-018-0561-3

Abstract: Subsequently, this paper analyzes the greenhouse gas (GHG) emissions from 19 fuel cell vehicle utilizationresults show that with the current grid mix in China, hydrogen from water electrolysis has the highest GHGof gas-hydrogen road transportation and single compression in the refueling station has the lowest GHGRegarding vehicle operation, GHG emissions from indirect methanol fuel cell are proved to be lower thanis recommended that although fuel cell vehicles are promising for the developing world in reducing GHG

Keywords: hydrogen     fuel cell vehicle     life cycle assessment     energy consumption     greenhouse gas (GHG) emissions     China    

Revealing the GHG reduction potential of emerging biomass-based CO utilization with an iron cycle system

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 10, doi: 10.1007/s11783-023-1727-8

Abstract:

● Greenhouse gas mitigation by biomass-based CO2 utilization with a Fe cycle system.

Keywords: Carbon dioxide utilization     Hydrothermal reactions     Biomass-based CO2 reduction     Simulation     Ex-ante LCA    

Greenhouse gas emissions mitigation and economic viability of sugar crops in China

Frontiers of Agricultural Science and Engineering doi: 10.15302/J-FASE-2023529

Abstract:

● Sugarcane and sugar beet yield and carbon footprint rose with time but profit declined

Keywords: Economic profits     GHG emissions     labor input     nitrogen input     sugar    

Accounting greenhouse gas emissions of food consumption between urban and rural residents in China: a whole production perspective

Frontiers in Energy 2022, Volume 16, Issue 2,   Pages 357-374 doi: 10.1007/s11708-021-0763-y

Abstract: On a global scale, the greenhouse gas (GHG) emission related to food consumption accounts for 19%–29%of the total GHG emission.and the adjustment of the diet structure of Chinese residents, it is critical to mitigate the overall GHGa single-region input-output (SRIO) model and a multi-regional input-output (MRIO) model to measure GHGThe fastest growing GHG emission is from the consumption of other processed food and meat products.

Keywords: greenhouse gas (GHG) emission     food consumption     industry sectors     mitigation measures     urban governance    

Quantification of energy related industrial eco-efficiency of China

Jiansu MAO, Yanchun DU, Linyu XU, Yong ZENG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 4,   Pages 585-596 doi: 10.1007/s11783-010-0289-8

Abstract: eco-efficiency (GEE) using energy consumption and the associated GHG emissions as the environmentalUsing statistical data, we analyze China’s energy consumption and GHG emissions by industrial subsystemthe total economic production, using 79.6% of the energy consumed, and generating 91.4% of the total GHGcontributions of the 39 industrial sectors to the national economy, overall energy consumption, and GHGtotal), contributes 16% to the total industrial global warming potential (GWP), and ranks third in GHG

Keywords: eco-efficiency     greenhouse gas (GHG)     global warming potential (GWP)     industrial sectors     energy saving    

Carbon Capture and Storage: History and the Road Ahead Review

Jinfeng Ma, Lin Li, Haofan Wang, Yi Du, Junjie Ma, Xiaoli Zhang, Zhenliang Wang

Engineering 2022, Volume 14, Issue 7,   Pages 33-43 doi: 10.1016/j.eng.2021.11.024

Abstract:

The large-scale deployment of carbon capture and storage (CCS) is becoming increasingly urgent in the global path toward net zero emissions; however, global CCS deployment is significantly lagging behind its expected contribution to greenhouse gas emission reduction. Reviewing and learning from the examples and history of successful CCS practices in advanced countries will help other countries, including China, to promote and deploy CCS projects using scientific methods. This paper shows that the establishment of major science and technology CCS infrastructures in advanced countries has become the main source of CCS technological innovation, cost reduction, risk reduction, commercial promotion, and talent training in the development and demonstration of key CCS technologies. Sound development of CCS requires a transition from pilot-scale science and technology infrastructures to large-scale commercial infrastructures, in addition to incentive policies; otherwise, it will be difficult to overcome the technical barriers between small-scale demonstrations and the implementation of million-tonne-scale CCS and ten-million-tonne-scale CCS hubs. Geological CO2 storage is the ultimate goal of CCS projects and the driving force of CO2 capture. Further improving the accuracy of technologies for the measurement, monitoring, and verification (MMV) of CO2 storage capacity, emission reduction, and safety remains a problem for geological storage. CO2 storage in saline aquifers can better couple multiple carbon emission sources and is currently a priority direction for development. Reducing the energy consumption of lowconcentration CO2 capture and the depletion of chemical absorbents and improving the operational efficiency and stability of post-combustion CO2 capture systems have become the key constraints to largescale CCS deployment. Enhanced oil recovery (EOR) is also important in order for countries to maximize fossil fuel extraction instead of importing oil from less environmentally friendly oil-producing countries.

Keywords: CCS research facility     Net GHG emission reduction     Energy consumption     Monitoring    

Spatial targeting evaluation of energy and environmental performance of waste-to-energy processing

Petar S. Varbanov, Timothy G. Walmsley, Yee V. Fan, Jiří J. Klemeš, Simon J. Perry

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4,   Pages 731-744 doi: 10.1007/s11705-018-1772-1

Abstract:

Waste-to-energy supply chains are important potential contributors to minimising the environmental impacts of municipal solid waste by reducing the amounts of waste sent to landfill, as well as the fossil fuel consumption and environmental footprints. Accounting for the spatial and transport properties of the waste-to-energy supply chains is crucial for understanding the problem and improving the supply chain designs. The most significant challenge is the distributed nature of the waste generation and the household energy demands. The current work proposes concepts and a procedure for targeting the size of the municipal solid waste collection zone as the first step in the waste-to-energy supply chains synthesis. The formulated concepts and the provided case study reveal trends of reducing the net greenhouse gas savings and energy recovery by increasing the collection zone size. Population density has a positive correlation with the greenhouse gas saving and energy recovery performance. For smaller zone size the energy recovery from waste approaches and in some cases may surpass the energy spent on waste transportation. The energy recovery and greenhouse gas savings remain significant even for collection zones as large as 200 km2. The obtained trends are discussed and key directions for future work are proposed.

Keywords: waste-to-energy     supply chain optimisation     GHG savings     energy recovery ratio    

REINTEGRATION OF CROP-LIVESTOCK SYSTEMS IN EUROPE: AN OVERVIEW

Antonius G. T. SCHUT, Emily C. COOLEDGE, Marc MORAINE, Gerrie W. J. VAN DE VEN, Davey L. JONES, David R. CHADWICK

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 1,   Pages 111-129 doi: 10.15302/J-FASE-2020373

Abstract: Ongoing specialization of crop and livestock systems provides socioeconomic benefits to the farmer but has led to greater externalization of environmental costs when compared to mixed farming systems. Better integration of crop and livestock systems offers great potential to rebalance the economic and environmental trade-offs in both systems. The aims of this study were to analyze changes in farm structure and review and evaluate the potential for reintegrating specialized intensive crop and livestock systems, with specific emphasis on identifying the co-benefits and barriers to reintegration. Historically, animals were essential to recycle nutrients in the farming system but this became less important with the availability of synthetic fertilisers. Although mixed farm systems can be economically attractive, benefits of scale combined with socio-economic factors have resulted in on-farm and regional specialization with negative environmental impacts. Reintegration is therefore needed to reduce nutrient surpluses at farm, regional and national levels, and to improve soil quality in intensive cropping systems. Reintegration offers practical and cost-effective options to widen crop rotations and promotes the use of organic inputs and associated benefits, reducing dependency on synthetic fertilisers, biocides and manure processing costs. Circular agriculture goes beyond manure management and requires adaptation of both food production and consumption patterns, matching local capacity to produce with food demand. Consequently, feed transport, greenhouse gas emissions, nutrient surpluses and nutrient losses to the environment can be reduced. It is concluded that reintegration of specialized farms within a region can provide benefits to farmers but may also lead to further intensification of land use. New approaches within a food system context offer alternatives for reintegration, but require strong policy incentives which show clear, tangible and lasting benefits for farmers, the environment and the wider community.

Keywords: circular agriculture     coupled farming systems     mixed farming     specialised farming systems     GHG    

Title Author Date Type Operation

Spatiotemporal evolution and driving factors for GHG emissions of aluminum industry in China

Journal Article

Abating transport GHG emissions by hydrogen fuel cell vehicles: Chances for the developing world

Han HAO, Zhexuan MU, Zongwei LIU, Fuquan ZHAO

Journal Article

Revealing the GHG reduction potential of emerging biomass-based CO utilization with an iron cycle system

Journal Article

Greenhouse gas emissions mitigation and economic viability of sugar crops in China

Journal Article

Accounting greenhouse gas emissions of food consumption between urban and rural residents in China: a whole production perspective

Journal Article

Quantification of energy related industrial eco-efficiency of China

Jiansu MAO, Yanchun DU, Linyu XU, Yong ZENG

Journal Article

Carbon Capture and Storage: History and the Road Ahead

Jinfeng Ma, Lin Li, Haofan Wang, Yi Du, Junjie Ma, Xiaoli Zhang, Zhenliang Wang

Journal Article

Spatial targeting evaluation of energy and environmental performance of waste-to-energy processing

Petar S. Varbanov, Timothy G. Walmsley, Yee V. Fan, Jiří J. Klemeš, Simon J. Perry

Journal Article

REINTEGRATION OF CROP-LIVESTOCK SYSTEMS IN EUROPE: AN OVERVIEW

Antonius G. T. SCHUT, Emily C. COOLEDGE, Marc MORAINE, Gerrie W. J. VAN DE VEN, Davey L. JONES, David R. CHADWICK

Journal Article