Promoting better economics, renewables and CO2 reduction through trade: A case study for the Eastern Africa Power Pool

2020 ◽  
Vol 57 ◽  
pp. 81-97 ◽  
Author(s):  
Tom Remy ◽  
Debabrata Chattopadhyay
Keyword(s):  
Co2 Reduction ◽  
Eastern Africa ◽  
Power Pool

Economic optimization of microgrids based on peak shaving and CO2 reduction effect: A case study in Japan

2021 ◽  
pp. 128973
Author(s):  
Liting Zhang ◽  
Yongwen Yang ◽  
Qifen Li ◽  
Weijun Gao ◽  
Fanyue Qian ◽  
...  
Keyword(s):  
Co2 Reduction ◽  
Economic Optimization ◽  
Peak Shaving ◽  
Reduction Effect

scholarly journals Over 1,000 Years of Contact Between Arabic and the Eastern and Southern African Languages: A Case Study of Kiswahili and Setswana

2018 ◽  
Vol 4 (2) ◽  
pp. 43
Author(s):  
Herman M. Batibo
Keyword(s):  
Southern Africa ◽  
Language Contact ◽  
Arabic Language ◽  
Eastern Africa ◽  
Key Factors ◽  
African Languages ◽  
Arabic Speaking ◽  
Sound Features ◽  
The Impact

Arab travellers and traders along the eastern African coast, more than 1000 years ago, were the first Arabic speaking people to bring Arabic language in contact with the other African languages in eastern and later southern Africa. Over the years, Arabic gained a lot of influence in the region. The impact of Arabic can be seen, especially in old scripts, loanwords, Arabic accents and sound features in some of the local languages.This article examines the nature and extent of contact situations between Arabic and two languages, namely Kiswahili, spoken in eastern Africa, and Setswana, spoken in southern Africa. The study is based on the Language Contact Theory, which states that the nature, length and intensity of language contact are the key factors determining the linguistic and sociolinguistic processes that take place. Contact between languages could be either direct or indirect. The main argument of the study is that the extent of influence of a language on another depends not only on the nature of contact, but also, and mainly, on the length and intensity of contact. The paper highlights the domains in which elements of Arabic origin have infiltrated or been adopted in these languages.

A Study for the Measurement of Environmental Impact Resulting From Railway Construction

2011 ◽  
Author(s):  
Yasutomo Morita ◽  
Kenji Shimizu ◽  
Hirokazu Kato ◽  
Naoki Shibahara ◽  
Toshihiro Yamasaki
Keyword(s):  
Life Cycle ◽  
Co2 Reduction ◽  
Environmentally Friendly ◽  
Rail Transport ◽  
Transportation Mode ◽  
Co2 Gas ◽  
Low Emission ◽  
Global Concern ◽  
Whole Life Cycle

This study shows how to measure CO2 emissions caused by railways during its life span from construction to disposal. It is now a common global concern that CO2 reduction is vital for conserving the global environment. Amidst this growing awareness, rail transport has attracted significant attention as an environmentally-friendly transportation mode due to its low emission of CO2 gas. But in many studies the amount of CO2 is calculated only during operation and doesn’t include emissions during the phase of construction of related infrastructure and rolling stocks. Rail transport can not be a truly environmentally-friendly transportation mode if it isn’t proven to emit less gases compared with other modes during a modes whole life cycle. In this paper, we introduce the method to calculate CO2 emission from the construction of infrastructure with the application of Life Cycle Assessment (LCA) and the result of a case study.

A Material Culture

2016 ◽  
Author(s):  
Stephanie Wynne-Jones
Keyword(s):  
Indian Ocean ◽  
Material Culture ◽  
Theoretical Models ◽  
Social Identities ◽  
Eastern Africa ◽  
Alternative Form ◽  
Significant Case ◽  
The Indian Ocean ◽  
Indian Ocean World

A Material Culture focuses on objects in Swahili society through the elaboration of an approach that sees both people and things as caught up in webs of mutual interaction. It therefore provides both a new theoretical intervention in some of the key themes in material culture studies, including the agency of objects and the ways they were linked to social identities, through the development of the notion of a biography of practice. These theoretical discussions are explored through the archaeology of the Swahili, on the Indian Ocean coast of eastern Africa. This coast was home to a series of "stonetowns" (containing coral architecture) from the ninth century AD onwards, of which Kilwa Kisiwani is the most famous, considered here in regional context. These stonetowns were deeply involved in maritime trade, carried out among a diverse, Islamic population. This book suggests that the Swahili are a highly-significant case study for exploration of the relationship between objects and people in the past, as the society was constituted and defined through a particular material setting. Further, it is suggested that this relationship was subtly different than in other areas, and particularly from western models that dominate prevailing analysis. The case is made for an alternative form of materiality, perhaps common to the wider Indian Ocean world, with an emphasis on redistribution and circulation rather than on the accumulation of wealth. The reader will therefore gain familiarity with a little-known and fascinating culture, as well as appreciating the ways that non-western examples can add to our theoretical models.

Highly correlation of CO2 reduction selectivity and surface electron Accumulation: A case study of Au-MoS2 and Ag-MoS2 catalyst

2020 ◽  
Vol 271 ◽  
pp. 118931 ◽  
Author(s):  
Songmei Sun ◽  
Qi An ◽  
Motonori Watanabe ◽  
Junfang Cheng ◽  
Hack Ho Kim ◽  
...  
Keyword(s):  
Co2 Reduction ◽  
Surface Electron ◽  
Electron Accumulation ◽  
Mos2 Catalyst

scholarly journals Carbon Capture for CO2 Emission Reduction in the Cement Industry in Germany

Energies ◽  
2019 ◽  
Vol 12 (12) ◽  
pp. 2432 ◽  
Author(s):  
Markewitz ◽  
Zhao ◽  
Ryssel ◽  
Moumin ◽  
Wang ◽  
...  
Keyword(s):  
Co2 Emissions ◽  
Carbon Capture ◽  
Co2 Reduction ◽  
Cement Industry ◽  
Co2 Emission Reduction ◽  
Detailed Model ◽  
Model Calculations ◽  
Reduction Potentials ◽  
Combustion Technology

The share of global CO2 emissions deriving from the cement industry is about 5%. More than 50% of these are process-related and cannot be avoided. This paper addresses the application of CO2 capture technology to the cement industry. Analyses focusing on post-combustion technology for cement plants are carried out on the basis of detailed model calculations. Different heat supply variants for the regeneration of loaded wash solution were investigated. CO2 avoidance costs are in a range of 77 to 115 EUR/tCO2. The achievable CO2 avoidance rate for the investigated cases was determined to be 70% to 90%. CO2 reduction potentials were identified using CCS technology, focusing on the German cement industry as a case study. The results show that adopting carbon capture technology could lead to a significant reduction in CO2 emissions.

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