Nowadays, the aviation industry pays more attention to emission reduction toward the net-zero carbon goals. However, the volume of global passengers and baggage is exponentially increasing, which leads to challenges for sustainable airports. A baggage-free airport terminal is considered a potential solution in solving this issue. Removing the baggage operation away from the passenger terminals will reduce workload for airport operators and promote passengers to use public transport to airport terminals. As a result, it will bring a significant impact on energy and the environment, leading to a reduction of fuel consumption and mitigation of carbon emission. This paper studies a baggage collection network design problem using vehicle routing strategies and augmented reality for baggage-free airport terminals. We use a spreadsheet solver tool, based on the integration of the modified Clark and Wright savings heuristic and density-based clustering algorithm, for optimizing the location of logistic hubs and planning the vehicle routes for baggage collection. This tool is applied for the case study at London City Airport to analyze the impacts of the strategies on carbon emission quantitatively. The result indicates that the proposed baggage collection network can significantly reduce 290.10 tonnes of carbon emissions annually.
The perspectives of the quality and composition of fly ash. The comprehensive usage of fly ash hazard-free treatment and recycling of fly ash. The application of fly ash in construction, agriculture, industrial production and environmental protection. The status quo and prospects of China's comprehensive usage of fly ash.
The upgrading and reconstruction projects of the wastewater treatment plant (WWTP)in Leshan city are introduced,through investigation and analysis of the current situation of WWTP, while considering to meet water quality demands of effluent. The article presents the programs of Anoxic-Aerobic Membrane Bioreactor (A/O-MBR). Following an investigation and multiple upgrading of the plant, water quality reaches first grade A standard of Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002).
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