نتایج جستجو برای: methanol biofuel

تعداد نتایج: 36666  

2010
Douglas A. Landis Benjamin P. Werling

Biomass harvest may eventually be conducted on over 100 000 000 ha of US crop and forest lands to meet federally-mandated targets for renewable biofuels. Such largescale land use changes could profoundly impact working landscapes and the arthropod communities that inhabit them. We review the literature on dedicated biofuel crops and biomass harvest from forests to look for commonalities in arth...

2017
Huiming Zhang Simon R. Mortimer Qunwei Wang

Converting waste cooking oil into biofuel represents a three-win solution, dealing simultaneously with food security, pollution, and energy security. In this paper, we encode the policy documents of waste cooking oil refining biofuel in China based on content analysis, and explore the related policies from the two dimensions as basic policy tools and enterprises supply chain. Research indicates...

Journal: :Ambio 2010
Kersti Johansson Karin Liljequist Lars Ohlander Kjell Aleklett

A database of global agricultural primary production has been constructed and used to estimate its energy content. The portion of crops available for food and biofuel after postharvest losses was evaluated. The basic conditions for agriculture and plant growth were studied, to ensure sustainable scenarios regarding use of residues. The available energy contents for the world and EU27 was found ...

2017
Xianhui Zhao Lin Wei Shouyun Cheng James Julson Manuel López-Granados

To address the issues of greenhouse gas emissions associated with fossil fuels, vegetable oilseeds, especially non-food oilseeds, are used as an alternative fuel resource. Vegetable oil derived from these oilseeds can be upgraded into hydrocarbon biofuel. Catalytic cracking and hydroprocessing are two of the most promising pathways for converting vegetable oil to hydrocarbon biofuel. Heterogene...

2013
GianCarlo MosChini JinGbo Cui H. Lapan

This paper provides an overview of the economics of biofuels. It starts by describing the remarkable growth of the biofuel industry over the last decade, with emphasis on developments in the United States, Brazil and the European Union, and it identifies the driving role played by some critical policies. After a brief discussion of the motivations that are commonly argued in favor of biofuels a...

2014
Renganathan Rajkumar Zahira Yaakob Mohd Sobri Takriff

The world seems to be raising its energy needs owing to an expanding population and people’s desire for higher living standards. Diversification biofuel sources have become an important energy issue in recent times. Among the various resources, algal biomass has received much attention in the recent years due to its relatively high growth rate, its vast potential to reduce greenhouse gas (GHG) ...

2015
Sauro Pierucci Jiří J. Klemeš Dajun Yue Fengqi You

We propose a bilevel mixed-integer nonlinear programming (MINLP) model for the optimal investment of biorefinery facilities considering non-cooperative farmers and biofuel consumers. Interactions among the supply chain players are captured through a single-leader-multiple-follower Stackelberg game under the generalized Nash equilibrium assumption. Given a three-echelon superstructure, the lead ...

Journal: :American Journal of Analytical Chemistry 2023

The world’s total fossil fuel consumption has been significantly increasing with consequential increased environmental catastrophes. A hunt for an alternate energy source was stimulated. Biofuel is a plausible option in this pursuit due to its ideal qualities which included but are not limited renewability and friendliness. However, the pump price of biodiesel still very high mainly cost produc...

Journal: :Current Biology 2010
Cyrus Martin

A recent report by the Earth Policy Institute estimated that one quarter of the US corn crop is being channelled into biofuel production, raising fears of increased food prices and worldwide hunger. An excerpt from the report reads, “The amount of grain needed to fill the tank of an SUV with ethanol just once can feed one person for an entire year. The average income of the owners of the world’...

2017
SAMUEL D. ZAPATA MARCO A. PALMA

In order to guarantee the success of the nascent cellulose-based biofuel industry, it is crucial to identify the most economically relevant components of the biofuel production path. To this aim, an original stochastic financial model is developed to estimate the impact that different feedstock production and biofuel conversion parameters have on the probability of economic success. Estimation ...

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