What kind of lca's are needed to better understand hybrid-poplar biofuel systems?
Best insight from top research papers
To better understand hybrid-poplar biofuel systems, comprehensive Life Cycle Assessments (LCAs) are essential. These LCAs should encompass various aspects such as energy input and output, greenhouse gas emissions, impact on the environment, and comparisons with other energy sources . Factors like biomass production, extractives, holocellulose, lignin, and heating value should be considered to evaluate the quality of biomass feedstock. Additionally, the environmental advantages of using specific poplar clones with disease resistance and fast growth should be assessed through LCAs, focusing on CO2 equivalent emissions from cultivation to commercial stand. By integrating these diverse elements into the LCA framework, a holistic understanding of hybrid-poplar biofuel systems can be achieved, aiding in decision-making processes for sustainable bioenergy production.
Answers from top 5 papers
More filters
| Papers (5) | Insight |
|---|---|
| Not addressed in the paper. | |
7 Citations | Life Cycle Assessments (LCAs) focusing on biomass production, extractives, holocellulose, lignin, and higher heating value are essential to understand hybrid-poplar biofuel systems comprehensively. |
Open access•Dissertation 01 Jan 2007 9 Citations | Life Cycle Assessments (LCAs) focusing on energy input/output and greenhouse gas emissions are crucial to comprehensively understand hybrid-poplar biofuel systems for cellulosic ethanol production. |
| Life-cycle analyses (LCAs) focusing on environmental impacts, economic feasibility, and policy implications are crucial to comprehensively understand hybrid-poplar biofuel systems for sustainable decision-making. | |
153 Citations | Life cycle assessments (LCAs) focusing on fertilizer use, diesel consumption, and transport energy are crucial to comprehensively evaluate hybrid-poplar biofuel systems' environmental impact and energy efficiency. |
Related Questions
What are biofuels?4 answersBiofuels are renewable energy sources derived from living materials, distinct from fossil fuels like coal and oil. They can be in liquid, gaseous, or solid form, with liquid biofuels being particularly popular due to existing infrastructure, especially in transportation. Examples include ethanol, primarily from fermenting starch or sugar, and biodiesel, often made from oily plants like palm or soybean oil. Biodiesel, an alternative to conventional diesel, can be produced from nonedible vegetable oils like Jatropha and Pongamia, offering benefits such as reduced emissions and support for agriculture. Biodiesel, a type of biofuel, is produced by combining vegetable oils and animal fats with alcohol to form alkyl esters, providing improved lubricity and lower emissions when meeting ASTM specifications.
What are Common types of liquid biofuels?5 answersCommon types of liquid biofuels include ethanol and biodiesel. Ethanol, derived from fermenting starch or sugar, is a widely used liquid biofuel. Biodiesel, primarily produced from oily plants like palm or soybean oil, is another prevalent liquid biofuel used in diesel engines and often blended with petroleum diesel. Additionally, there are other types of liquid biofuels such as hydrotreated vegetable oils and fats, which are part of the second and third generations of biofuels. These liquid biofuels play a crucial role in reducing carbon emissions, promoting environmental sustainability, and offering alternatives to traditional fossil fuels in various sectors, especially transportation.
What are biofuels?5 answersBiofuels are renewable energy sources derived from living materials, distinct from fossil fuels like coal and oil that form over extended periods. They can be in liquid, gaseous, or solid form, with liquid biofuels being particularly popular for transportation due to existing infrastructure. Liquid biofuels like ethanol, primarily sourced from fermenting starch or sugar, and biodiesel, often made from oily plants, are commonly used alternatives to petroleum. Biodiesel, a type of biofuel, is produced through transesterification of organic oils and can be used in various applications like diesel vehicles and generators. Biofuels are produced from diverse sources such as agricultural crops, food crops, forestry, and organic waste, offering a sustainable and environmentally friendly option for fuel production.
The influence of biofuel on the environmental sustainability?4 answersBiofuels have been found to have a substantial impact on environmental sustainability. Studies have shown that biofuels can significantly moderate carbon emissions, thus contributing to a carbon-neutral environment. Additionally, biofuels offer benefits such as reduced dependency on fuel, lower greenhouse gas emissions, and job opportunities for rural communities. However, it is important to consider the specific sources and production methods of biofuels. For example, corn ethanol and soybean biodiesel, two commonly produced biofuels in the United States, have been found to have a lower carbon intensity compared to petroleum-based gasoline. However, they also have unfavorable impacts on water, land, and nitrogen intensity. Therefore, while biofuels can contribute to environmental sustainability, it is crucial to assess their specific value and consider the associated economic costs and environmental trade-offs.
What is the conceptual framework of biofuel?5 answersThe conceptual framework of biofuel integrates various aspects of its performance. It considers the social factors determining the desirability of biofuel use on the demand side, the internal technical and economic constraints affecting its production on the supply side, the external biophysical constraints limiting its feasibility, and the level of openness of the biofuel system referring to imports used to overcome local limits. This framework provides a biophysical characterization of the supply function of a biofuel system and contextualizes it against the societal demand for biofuels.Another conceptual framework combines elements of complex adaptive systems, (neo) institutional economics, and socio-technical systems theory to analyze the effect of institutions on the emergence of biofuel supply chains. This framework incorporates social structures into an agent-based model and can provide insights on the effect of different deployment strategies on bioenergy systems.A sustainable livelihoods approach is also proposed as a foundation for a conceptual framework to identify elements of sustainability and innovation in biofuel production by smallholder farmers.Additionally, a comprehensive biofuel policy analysis framework is developed to assess the policy measures of major biofuel-producing countries and their impact on the biofuel sector's performance.
How can poplar trees be used to treat wastewater more effectively?5 answersPoplar trees can be used effectively to treat wastewater by removing organic carbon and pollutants, decreasing groundwater contamination, and reducing nutrient inputs to surface waters. The biological treatment of aqueous residue from poplar wood pyrolysis showed substantial removal of organic carbon in aerobic conditions. Poplar trees were found to decrease groundwater contamination from land application of food processing wastewaters by evapotranspiring more water and reducing leaching of chemical oxygen demand (COD), nitrate, iron, and manganese. In phytotechnological approaches, poplar and willow trees were able to treat landfill leachate and remove specific pollutants, with poplar performing better under high loads. Poplar trees in tree plantations have a high assimilation capacity for nutrients and pollutants, and accumulated metals remain immobilized for longer periods. Effluent fertilization of poplar trees in wastewater treatment plants increased growth and had no major impacts on soil or groundwater nutrient concentrations, offering a cost-effective strategy for decreasing effluent input rates.