Sustainable Chemical Processes
2043-7129
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High performance green barriers based on nanocellulose
- 2014
Abstract With the increasing environmental concerns such as sustainability and
end-of-life disposal challenges, materials derived from renewable resources such
as nanocellulose have been strongly advocated as potential replacements for
packaging materials. Nanocellulose can be extracted from various plant resources
through mechanical and chemical ways. Nanocellulose with its nanoscale
dimensions, ...
Valorisation of food waste to biofuel: current trends and technological challenges
Tập 2 - Trang 1-4 - 2014
Demand for biofuels is rapidly growing worldwide as petroleum based fuels are
finite reserves. In this context, biodiesel and bioethanol are popular biofuels
that are commercially available in various countries. Biofuels can be prepared
from edible biomass. However, this is already generating food versus fuel debate
among the members of civil societies. Therefore, there are needs to synthesize
bio...
Green chemistry and the biorefinery concept
Tập 1 - Trang 1-3 - 2013
Green Chemistry and Biorefinery concepts are two approaches helping to develop
new and more sustainable processes. The implementation of both methodologies
impels to fossil-independent future with bioeconomy based on natural feedstock
like biowaste and industrial by-products. The development of technologies for
valorisation of these resources is a key role of society in the creation of
sustainable...
High yield lactic acid selective oxidation into acetic acid over a Mo-V-Nb mixed oxide catalyst
Tập 3 - Trang 1-8 - 2015
In this paper, we report for the first time a one-pot reaction enabling total
transformation of lactic acid to acetic acid over a Mo-V-Nb mixed oxide catalyst
having an optimal atomic ratio 19:5:1. The mechanism of the reaction consists in
two parallel ways leading to acetic acid: (i) oxi-dehydrogenation of lactic acid
to pyruvic acid followed by decarboxylation and (ii) decarbonylation of lactic
...
Assessing the mutagenicity of protic ionic liquids using the mini Ames test
Tập 3 - Trang 1-11 - 2015
Protic ionic liquids (PILs) have been suggested as “greener” alternatives to
conventional solvents in various industrial applications. In order to assess
their suitability for such purposes, a thorough evaluation of their toxicity,
mutagenicity, carcinogenicity and environmental impact is crucial. Whilst some
studies have been published concerning the biodegradability and toxicity towards
microorg...
Nano Cu-catalyzed efficient and selective reduction of nitroarenes under combined microwave and ultrasound irradiation
Tập 2 - Trang 1-6 - 2014
In situ preparation of copper nanoparticles from a copper acetate precursor and
its application as an efficient catalyst for the selective reduction of aromatic
nitro compounds with hydrazine hydrate under combined microwave and ultrasound
irradiation were described in detail. The results reveal the synergetic effect
of microwave and ultrasound on the synthesis of copper nanoparticles, and
formati...
Differential interactions of halophilic and non-halophilic proteases with nanoparticles
Tập 2 - Trang 1-8 - 2014
Increase in the industrial use of nanomaterials and nanoparticles (NPs) make
their release into the environment inevitable. This may lead to environmental
contamination and exposure of the biological/ microbial diversity. Nanoparticles
have been reported to impregnate the cells and interact with cellular
biomolecules especially proteins and DNA, leading to nanotoxicity in many cases.
The present w...
Study on the color levelness of silk fabric dyed with vegetable dyes
Tập 3 - Trang 1-4 - 2015
At present, customers are more conscious about the quality of clothing items. As
a result, it becomes more challenging for the manufacturers to maintain the
consistent dyeing quality. Unlevelness is generally unaccepted in commercial
dyeing, except some cases such as stone-washed, acid-washed or pigment-dyed
textiles. The aim of the study was to evaluate the color levelness quality of
fabric dyed ...