scholarly journals Technical Aspects of Biofuel Production from Different Sources in Malaysia—A Review

Processes ◽  
2020 ◽  
Vol 8 (8) ◽  
pp. 993 ◽  
Author(s):  
Shahabaldin Rezania ◽  
Bahareh Oryani ◽  
Jinwoo Cho ◽  
Farzaneh Sabbagh ◽  
Parveen Fatemeh Rupani ◽  
...  
Keyword(s):  
Fossil Fuels ◽  
Ghg Emissions ◽  
Biofuel Production ◽  
Tropical Country ◽  
Renewable Sources ◽  
Role Of Government ◽  
Different Types ◽  
The Status ◽  
Different Sources

Due to the depletion of fossil fuels, biofuel production from renewable sources has gained interest. Malaysia, as a tropical country with huge resources, has a high potential to produce different types of biofuels from renewable sources. In Malaysia, biofuels can be produced from various sources, such as lignocellulosic biomass, palm oil residues, and municipal wastes. Besides, biofuels are divided into two main categories, called liquid (bioethanol and biodiesel) and gaseous (biohydrogen and biogas). Malaysia agreed to reduce its greenhouse gas (GHG) emissions by 45% by 2030 as they signed the Paris agreement in 2016. Therefore, we reviewed the status and potential of Malaysia as one of the main biofuel producers in the world in recent years. The role of government and existing policies have been discussed to analyze the outlook of the biofuel industries in Malaysia.

scholarly journals An Assessment Of Microalgal Biodiesel With Acetone, Butanol and Ethanol Using LIfe Cycle Assessment (LCA) Methodology

2021 ◽  
Author(s):  
Cherilyn Dignan
Keyword(s):  
Fossil Fuels ◽  
Ghg Emissions ◽  
Primary Energy ◽  
Biofuel Production ◽  
Production Model ◽  
Lca Methodology ◽  
Fuel Production ◽  
Renewable Fuel ◽  
Production Processes ◽  
Microalgal Biodiesel

Canada, as one of the largest producers and consumers of fossil fuels per capita on the planet, is attempting to reduce greenhouse gas (GHG) emissions. In order to accomplish this, fuel alternatives, such as biofuel, are required. Accordingly, this study uses LCA methodology to quantify the GHG impact of a unique biofuel production model. This unique model produces biodiesel (BD), acetone, butanol and ethanol (ABE) from microalgae and assesses the process GHG impact against other microalgal BD production processes. This study’s microalgal BD and ABE production process produces 76 kgCO2e per functional unit, whereas other comparable microalgal BD production processes produce between 3.7 and 85 kgCO2e. Overall, this study clarifies that without the development of versatile infrastructure to accommodate biofuel production, LCA studies will continue to find renewable fuel production processes net GHG positive for the simple reason that fossil resources are still the primary energy source.

scholarly journals Implicitness and experimental methods in language variation research

2019 ◽  
Vol 5 (s1) ◽  
Author(s):  
Laura Rosseel ◽  
Stefan Grondelaers
Keyword(s):  
Language Attitudes ◽  
Language Variation ◽  
Underlying Structure ◽  
Special Issue ◽  
Language Variation And Change ◽  
New Methods ◽  
Different Types ◽  
The Status ◽  
Terminological Confusion

AbstractThis special issue brings together research that reflects on the status and role of different types of language attitudes, and the methods required to study them. Many linguists distinguish between explicit and implicit attitudes towards language, but more often than not it remains unclear how these constructs are defined, and what their potential significance is for the study of language variation and change. The contributions to this issue address this question by critically reflecting on theory and methodology, by highlighting (and clarifying) the terminological confusion, and by showcasing new methods and tools. It is hoped that this special issue can inspire theoretical and methodological convergence in a notoriously fragmented field, so that attitude researchers can identify the underlying structure of language attitudes, and the theoretical significance of language evaluation to processes of language variation and change.

Financial Literacy of Indian Youth: A Study on the Twin Cities of Hyderabad–Secunderabad

2016 ◽  
Vol 6 (2) ◽  
pp. 132-147
Author(s):  
Mousumi Singha Mahapatra ◽  
Swati Alok ◽  
Jayasree Raveendran
Keyword(s):  
College Students ◽  
Financial Literacy ◽  
Financial Planning ◽  
Parental Influence ◽  
Negative Impact ◽  
Positive Impact ◽  
Twin Cities ◽  
Different Types ◽  
The Status

A person’s capability to manage financial matters has become important in today’s world. Availability of different types of sophisticated financial products coupled with the complexity and increased uncertainty of the economy and financial markets have generated a strong move to measure and study financial literacy among investors. The present article aims to analyze the status of financial literacy of college students with three identified antecedents, namely, socio-demographic characteristics, parental influence and attitude towards financial planning. A sample of 425 students from various colleges of the Hyderabad–Secunderabad region was studied to understand the role of the identified antecedents on financial literacy. The results of logistic regression analysis support the hypothesis that financial literacy of Indian college students is influenced by their socio-demographic characters, parental influence and their attitude towards financial planning. While both socio-demographic and parental influences have a positive impact on financial literacy, attitude towards financial planning is observed to have a negative impact.

scholarly journals SOBRE A MOBILIDADE NO SISTEMA MUNDIAL: A RELEVÂNCIA DO CONCEITO DE SEMIPERIFERIA PARA OS PROJETOS DE DESENVOLVIMENTO NO SÉC. XXI

2020 ◽  
Vol 9 (17) ◽  
Author(s):  
Alexandre Freitas
Keyword(s):  
21St Century ◽  
System Approach ◽  
World Economy ◽  
World System ◽  
Role Of Government ◽  
The World ◽  
The Status ◽  
Capitalist World Economy ◽  
Capitalist World

The objective of this article is to discuss the relevance of the concept of semiperiphery to analyze the world system in the 21st century. First, the main concepts of the world-system approach will be analyzed. In the second part, a more in-depth examination of the question of the semi-periphery will be made through its political and economic characteristics. Later, we will examine the empirical attempts to define the semiperiphery, its role in the reproduction of the capitalist world-economy and the question of mobility in the world-system hierarchy. In conclusion, the role of government apparatus in the issue of development and overcoming the status of semi-periphery in the capitalist world-system will be highlighted.

scholarly journals But does voting really feed you? Ideas about democracy's role in famine and chronic hunger

COMPASS ◽  
2011 ◽  
Vol 1 (1) ◽  
pp. 56-61
Author(s):  
Janine Hancock
Keyword(s):  
United States ◽  
Food Policy ◽  
The United States ◽  
Policy Decisions ◽  
Role Of Government ◽  
Different Types

Scarcity of democracy is often cited as the source of hunger. In this paper the origin of this idea, the arguments behind it, and its validity are examined. In doing so, different types of hunger are addressed. The author also looks at the role of government systems in the famines of Ireland, India, and Sudan and the effect that democracy has on food policy decisions in the United States. By the conclusion of this paper, the reader will be familiar with the phenomenon of citing democracy in discussions of food. A lack of democracy is not the source of hunger, and democracy is not inherently equipped to confront hunger.

MODELING LAND-USE CHANGE IMPACTS OF BIOFUELS IN THE GTAP-BIO FRAMEWORK

2012 ◽  
Vol 03 (03) ◽  
pp. 1250015 ◽  
Author(s):  
ALLA A. GOLUB ◽  
THOMAS W. HERTEL
Keyword(s):  
Land Use ◽  
Land Use Change ◽  
Computable General Equilibrium ◽  
Bilateral Trade ◽  
Crop Yields ◽  
Ghg Emissions ◽  
Biofuel Production ◽  
Cge Models

This paper reviews an analysis of land use change impacts of expanded biofuel production with GTAP-BIO computable general equilibrium (CGE) model. It describes the treatment of energy substitution, the role of biofuel by-products, specification of bilateral trade, the determination of land cover changes in response to increased biofuel feedstock production, and changes in crop yields – both at the intensive and extensive margins. The paper responds to some of the criticisms of GTAP-BIO and provides insights into the sensitivity of land use change and GHG emissions to changes in key parameters and assumptions. In particular, it considers an alternative specification of acreage response that takes into account the degree of land heterogeneity within agro-ecological zone (AEZ) for different AEZs and countries. The paper concludes with the discussion of alternative specifications of land mobility across uses employed in CGE models and the agenda for further research to narrow parametric and structural uncertainty to improve the model's performance.

Empowering Communities to cope Flood Risk: Learning from Flood affected Community in Narowal District, Pakistan

2021 ◽  
Vol 14 (9) ◽  
pp. 23-33
Author(s):  
M. Asim ◽  
M. Nadeem ◽  
G. Saima
Keyword(s):  
Flood Risk ◽  
Community Empowerment ◽  
Structured Interviews ◽  
Role Of Government ◽  
Field Surveys ◽  
Government Institutions ◽  
Flood Impacts ◽  
The Status ◽  
The Government

Community empowerment plays a significant role in adapting and organizing flood risks and impacts. The flood impacts the livelihood, infrastructure, production system and sustainable development. The flood in 2014 has severely affected the Narowal district and has put a momentous impact on the communities residing in those places. The six most affected villages in Narowal were selected for this research study. The data was collected by conducting field surveys followed by structured interviews in study area. This study was carried out to assess the role of government institutions and to evaluate the status of community empowerment. The structured interviews were conducted with the officials of the various institutions and 121 affected respondents were identified to conduct the primary survey. This study concluded that more than 42% respondents did not leave home because of the nonavailability of the shelter point. More than 75% respondents were dissatisfied with the efforts of government during a flood. This study inferred that 9.09% and 67.77% respondents were highly dissatisfied and dissatisfied respectively with the efforts of the Government during flood in empowering communities to cope with flood risk. The government institutions should take suitable actions to comprehend the issues of the communities to bring them in sustainable trends.

scholarly journals Determining the 2019 Carbon Footprint of a School of Design, Innovation and Technology

2021 ◽  
Vol 13 (4) ◽  
pp. 1750
Author(s):  
Guillermo Filippone ◽  
Rocío Sancho ◽  
Sebastián Labella
Keyword(s):  
Climate Change ◽  
Greenhouse Gas ◽  
Carbon Footprint ◽  
Fossil Fuels ◽  
Ghg Emissions ◽  
Electrical Energy ◽  
Renewable Sources ◽  
Innovation And Technology ◽  
Design Innovation

As a contribution to the fight against climate change, ESNE’s 2018/19 carbon footprint has been evaluated using the CarbonFeel methodology, based on ISO 14069 standards. In the scenario studied, greenhouse gas (GHG) emissions produced by direct and indirect emissions have been included. For comparative purposes, a second scenario has been analyzed in which fossil fuels used for heating are replaced by electrical energy from renewable sources. A decrease of 28% in GHG emissions has been verified, which could even reach 40% if the energy for thermal conditioning was replaced by renewables.

scholarly journals Green Diesel Production by Catalytic Hydrodeoxygenation of Vegetables Oils

2021 ◽  
Vol 18 (24) ◽  
pp. 13041
Author(s):  
Giuseppe Di Vito Nolfi ◽  
Katia Gallucci ◽  
Leucio Rossi
Keyword(s):  
Vegetable Oils ◽  
Fossil Fuels ◽  
Chemical Properties ◽  
Environmentally Friendly ◽  
High Energy ◽  
Biofuel Production ◽  
High Energy Density ◽  
Renewable Sources ◽  
Green Diesel ◽  
Catalytic Deoxygenation

Non-renewable fossil fuels and the air pollution associated with their combustion have made it necessary to develop fuels that are environmentally friendly and produced from renewable sources. In addition, global warming and climate change have brought to the attention of many countries the need to develop programs and reforms, such as the 2030 Agenda of the United Nations and the European Green Deal, that finance and promote the conversion of all socio-economic activities in favor of sustainable and environmentally friendly development. These major projects include the development of non-polluting biofuels derived from renewable sources. Vegetable oils are a renewable source widely used to produce biofuels due to their high energy density and similar chemical composition to petroleum derivatives, making them the perfect feedstock for biofuel production. Green diesel and other hydrocarbon biofuels, obtained by the catalytic deoxygenation of vegetable oils, represent a sustainable alternative to mineral diesel, as they have physico-chemical properties similar to derived oil fuels. The catalyst, temperature, hydrogen pressure, and the type of vegetable oil can influence the type of biofuel obtained and its properties. The main aspects discussed in this review include the influence of the catalyst and reaction conditions on the catalytic deoxygenation reaction.

scholarly journals Role of Microalgae as a Source for Biofuel Production in the Future: A Short Review

2021 ◽  
Vol 16 (2) ◽  
pp. 396-412
Author(s):  
Mustafa Jawad Nuhma ◽  
Hajar Alias ◽  
Ali A. Jazie ◽  
Muhammad Tahir
Keyword(s):  
Fossil Fuels ◽  
Arable Land ◽  
Short Review ◽  
Biofuel Production ◽  
Advantages And Disadvantages ◽  
Microalgae Oil ◽  
Chemical Products ◽  
Major Chemical ◽  
Open Access Article

The continued burning of fossil fuels since the beginning of the last century led to higher emissions of greenhouse gases and thus leads to global warming. Microalgae are one of the most important sources of green hydrocarbons because this type of algae has a high percentage of lipids and has rapid growth, consumes the carbon dioxide in large quantities. Besides, the cultivation of these types of algae does not require arable land. This review aims to explain the suitability of microalgae as a biofuel source depending on the fat content, morphology, and other parameters and their effect on the conversion processes of microalgae oil into biofuels by different zeolite catalytic reactions. It also discusses in detail the major chemical processes that convert microalgae oil to chemical products. This review sheds light on one of the most important groups of microalgae (Chlorella vulgaris microalgae). This review includes a historical overview and a comprehensive description of the structure needed to develop this type of algae. The most important methods of production, their advantages and disadvantages are also deliberated in this work. Copyright © 2021 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0). 

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