Results 71 to 80 of about 1,073,002 (385)

Catalytic Approaches for CO2 Conversion to Value‐Added Products: An Overview of Life Cycle Assessment Studies

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
The catalytic conversion of CO2 into value‐added products provides an emerging strategy for reducing carbon emissions and improving environmental performance. This review compares different Life Cycle Assessment studies to evaluate the environmental impacts of CO2 conversion, focusing on the main challenges, technical limitations, and potential ...
Anastasia Pappa   +3 more
wiley   +1 more source

Development Status and Future Prospects of Hydrogen Energy Technology: Production, Storage, and Cost Analysis

open access: yesAdvanced Energy and Sustainability Research, EarlyView.
Hydrogen is an energy carrier, produced from renewable and nonrenewable resources. It can be stored in a variety of materials and transported to distant locations. This article reviews progress in hydrogen technology by looking at environmental and economic impact, cost analysis, and policy support at government level as way forward for bringing it to ...
Xuexue Pan   +5 more
wiley   +1 more source

Behavior of a CI Engine Running by Biodiesel under Transient Conditions [PDF]

open access: yes, 2010
The emission characteristics of compression ignition (CI) engines running on biodiesel during transient operating conditions, which is the most usual case in urban and extra-urban transportation, have rarely been investigated.
Gu, Fengshou   +2 more
core  

The Role of Coordination Mechanisms and Transaction Costs Promoting Sustainability Performance in Agri‐Food Supply Chains: Evidence From Ecuador

open access: yesAgribusiness, EarlyView.
ABSTRACT Social tensions and resource depletion pose significant challenges to the agri‐food sector, highlighting the need for coordinated strategies to ensure sustainability in supply chains. Despite its critical importance, the relationship between coordination mechanisms and sustainability performance remains underexplored.
Carlos Moreno‐Miranda, Liesbeth Dries
wiley   +1 more source

Study of γ-Valerolactone as a Diesel Blend: Engine Performance and Emission Characteristics [PDF]

open access: yes, 2013
γ-valerolactone (GVL) is a C5-cyclic ester that can be produced from biomass providing a potentially renewable fuel for transportation and feedstock for the chemical industry.
Bereczky, Ákos   +3 more
core  

Comparative Study on Biodiesel-methanol-diesel Low Proportion Blends Operating with a Diesel Engine [PDF]

open access: yes, 2015
In this study, biodiesel (20%)-methanol (5%)-diesel (75%), biodiesel (20%)-methanol (10%)-diesel (70%), biodiesel (20%)- diesel (80%), and standard mineral diesel as a baseline fuel are tested in a multi-cylinder diesel engine.
Aziz, Amir   +4 more
core   +1 more source

Techno‐Economic Analysis of Polypropylene Recycling Through Catalytic Pyrolysis: FCC Catalysts in Batch Reactors

open access: yesJournal of Advanced Manufacturing and Processing, EarlyView.
ABSTRACT The short lifespan of plastics, particularly in the packaging sector, results in rapid accumulation of plastic waste, with polypropylene being a major contributor. Chemical recycling is gaining increasing attention as a strategy in managing plastic waste, facilitating the transition from a linear to a circular economy.
Farhad Zaker Hosseiny, Rui Shi
wiley   +1 more source

BRE‐X Emissions Database for End‐of‐Life Scenarios of Selective Building Construction Materials to Enable Circular Economy in Construction

open access: yesJournal of Advanced Manufacturing and Processing, EarlyView.
ABSTRACT In the United States, construction and demolition debris predominately end up in landfills with minimal end‐of‐life Re‐X (recover, recycle, reuse, etc.) scenarios, resulting in large environmental impacts and lost opportunities for material recovery.
Naveen Kumar Muthumanickam   +7 more
wiley   +1 more source

Utilization of waste heat in trucks for increased fuel economy [PDF]

open access: yes
Improvements in fuel economy for a broad spectrum of truck engines and waste heat utilization concepts are evaluated and compared. The engines considered are the diesel, spark ignition, gas turbine, and Stirling.
Degrey, S. P.   +3 more
core   +4 more sources

Stability Analysis in a Direct-Current Shipboard Power System with Parallel Permanent Magnet Synchronous Generators and Supercapacitor Integration

open access: yesJournal of Marine Science and Engineering
This paper investigates the small-signal stability of a DC shipboard power system (SPS) with the integration of a supercapacitor. As an efficient energy storage solution, supercapacitors can not only provide rapid energy response to sudden power demand ...
Qinsheng Yun   +4 more
doaj   +1 more source

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