Showing 1 - 10 of 18
Recently, we have introduced a new bioeconomic indicator in order to avoid the difficulties in evaluating the process and technologies for sustainability. In this paper, we wish to improve this new indicator for the analysis of sustainability. Indeed, the indicator has been based on the exergy...
Persistent link: https://www.econbiz.de/10012266168
The objective of this paper is to optimise the liquid product of pyrolysis from as much as 500 g of polypropylene (PP) plastic waste, using a fixed bed type reactor in a vacuum condition (-3 mm H2O), to minimise the oxygen entering the reactor. The vapour flows through the 4-tray distillation...
Persistent link: https://www.econbiz.de/10012001251
Efficient use of energy in agroecosystems will reduce environmental problems, prevent destruction of natural resources and serve to promote sustainable agriculture as an economical production system. The aim of this study was to investigate the energy use efficiency in four double cropping...
Persistent link: https://www.econbiz.de/10011863206
Persistent link: https://www.econbiz.de/10011863990
While previous studies focus on linear unit root test to study the convergence of carbon price in some developed countries and the results might be biased due to the lower power of these linear unit root tests. China provides an interesting arena to investigate its carbon price convergence due...
Persistent link: https://www.econbiz.de/10012125763
An oleaginous yeast, Cryptococcus sp., was isolated from a traditional Korean fermented fish and used for bio-oil production with banana peel as a feedstock. Pretreatment of banana peel with 1% sulfuric acid resulted in up to 4.5 g L-1 of glucose (11.2% yield), and 18.1 g L-1 of fructose (45.2%...
Persistent link: https://www.econbiz.de/10012041928
Motivated by possible future applications in low pressure drop reactors for hydrogen production by fixed bed chemical looping steam reforming (CLSR), novel high porosity fibrous mats of aluminosilicate fibres have been investigated as a substrate for Ni/Co oxygen carriers (OC's). When compared...
Persistent link: https://www.econbiz.de/10011959639
The pattern of development of the economies of Europe and the world in recent decades is a focus on sustainable development. In accordance with the declaration of the United Nations Conference of 1992, sustainable development is defined as "equitable meeting the needs of present and future...
Persistent link: https://www.econbiz.de/10012176430
This work presents the synthesis gas production from gasification of plastic waste, i.e. polyethylene (PE) and polypropylene (PP). The steam gasification is modeled by using AspenPlusTM simulation software. The effects of gasifier temperature and steam to feed (S/F) mass ratio were examined to...
Persistent link: https://www.econbiz.de/10012176685
Nowadays the production systems are linear and the consumption patterns are essentially based on products with a short life cycle, which contribute to increase the demand for raw materials and environmental impacts. The Circular Economy (CE) is playing a major role among scholars and...
Persistent link: https://www.econbiz.de/10012177159