Results 21 to 30 of about 5,749,437 (309)

Mechanism and isotherm modeling of effective adsorption of malachite green as endocrine disruptive dye using Acid Functionalized Maize Cob (AFMC)

open access: yesScientific Reports, 2021
Cationic Malachite green has been identified as a candidate for the endocrine disruptive compound found in the environment. In this study, the mechanism and isotherm modeling of effective adsorption of cationic malachite green dye onto acid ...
John O Ojediran   +4 more
doaj   +1 more source

Evaluation of optimization techniques for predicting exergy efficiency of the cement raw meal production process

open access: yesCogent Engineering, 2021
In cement production, raw meal preparation and energy consumption are extremely important for cost reduction. However, few studies have examined the relationship between operational process parameters and exergy efficiency.
Anthony I. Okoji   +2 more
doaj   +1 more source

Energetic assessment of a precalcining rotary kiln in a cement plant using process simulator and neural networks

open access: yesAlexandria Engineering Journal, 2022
Cement production has been increasing rapidly leading to energy consumption, with serious cost implications and environmental challenges. Energy efficiency is a key component required to maintain the cement company’s environmental strategy. In this study,
Anthony I. Okoji   +4 more
doaj   +1 more source

THE (MISSING) ROLE OF NUCLEAR ENERGY IN THE SUSTAINABLE DEVELOPMENT GOALS

open access: yesJournal of Multidisciplinary Studies in Human Rights and Science, 2022
Nuclear science and technology are used in many countries to help meet development objectives in areas including energy, human health, food production, water management and environmental protection.
Zion Lights
doaj   +1 more source

The Long Road to Universal Electrification: A Critical Look at Present Pathways and Challenges

open access: yesEnergies, 2020
Nearly 840 million people still lack access to electricity, while over a billion more have an unreliable electricity connection. In this article, the three different electrification pathways—grid extension, centralized microgrids, and standalone ...
Nishant Narayan   +5 more
doaj   +1 more source

Influence of foreign direct investment from China on achieving the 2030 Sustainable Development Goals in African countries

open access: yesChinese Journal of Population, Resources and Environment, 2021
The lack of funding is one of the most important challenges in achieving the 2030 Sustainable Development Goals (SDGs) in African countries. Can foreign direct investment (FDI) from China as an important source of external financing help African ...
Ye Fang
doaj   +1 more source

Resonant DC/DC Converters: Investigating Phase-Shift Control

open access: yesEnergies, 2023
The paper presents an innovative approach to control the voltage of an LCL-T type converter at the output side against variation at input and load ports, utilizing a fixed-frequency phase-shift control scheme.
Vijaya Bhaskar Reddy   +2 more
doaj   +1 more source

Sustainable energy technologies for the Global South: Challenges and solutions toward achieving SDG 7

open access: yesEnvironmental Science: Advances, 2023
The United Nations (UN) expectations for 2030 account for a renewable, affordable, and eco-friendly energy future. The 2030 agenda includes 17 different Sustainable Development Goals (SDGs) for countries worldwide.
Andrew Ng Kay Lup   +7 more
semanticscholar   +1 more source

Renewable Energy Policies: Bibliometric Review and Policy Implications

open access: yesEnvironmental and Climate Technologies, 2020
The energy policies of the Union States should promote energy security, energy efficiency, decarbonisation, research, innovation and competitiveness.
Annibaldi Valeria   +4 more
doaj   +1 more source

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