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...
Recent advances on biobutanol production
Tập 2 - Trang 1-9 - 2014
Recent studies have shown that butanol is a potential gasoline replacement that
can also be blended in significant quantities with conventional diesel fuel.
However, biotechnological production of butanol has some challenges such as low
butanol titer, high cost feedstocks and product inhibition. The present work
reviewed the technical and economic feasibility of the main technologies
available to ...
Using metrics and sustainability considerations to evaluate the use of bio-based and non-renewable Brønsted acidic ionic liquids to catalyse Fischer esterification reactions
Tập 1 - Trang 1-13 - 2013
Ionic liquids have found uses in many applications, one of which is the joint
solvation and catalysis of chemical transformations. Suitable Brønsted acidic
ionic liquids can be formed by combining lactams with sulphonic acids. This work
weighs up the relative benefits and disadvantages of applying these Brønsted
acidic ionic liquid catalysts in esterifications through a series of comparisons
using...
Recent advances in application of chitosan in fuel cells
Tập 1 - Trang 1-12 - 2013
Fuel cells are electrochemical devices which convert chemical energy into
electrical energy. Fuel cells have attracted attention due to their potential as
a promising alternative to traditional power sources. More recently, efficient
and environmentally benign biopolymer “chitosan” have been extensively
investigated as a novel material for its application in fuel cells. This
biopolymer can be used...
An astute synthesis of locked nucleic acid monomers
Tập 3 - Trang 1-6 - 2015
Novel attributes of Locked Nucleic Acid (LNA) makes it preferable over most of
the other classes of modified nucleic acid analogues and therefore, it has been
extensively explored in different synthetic oligonucleotide based therapeutics.
In addition to five oligonucleotides of this class undergoing clinical trials, a
healthy pipeline in pre-clinical studies validates the tenacity of LNA. Due to
t...
Microwave-assisted catalytic esterification of α-glucoisosaccharino-1,4-lactone with tall oil fatty acids
Tập 4 - Trang 1-5 - 2016
Carbohydrates-rich materials are partly degraded during alkaline kraft pulping
into a complex mixture of aliphatic carboxylic acids consisting of
α-glucoisosaccharinic acid as one of the main acids. On the other hand, crude
tall oil, containing significant amounts fatty acids, is obtained as a
by-product from kraft pulping. One interesting novel approach is to utilize
chemically both these side-st...
Carbamoylation of primary, secondary and aromatic amines by dimethyl carbonate in a flow system over solid catalysts
Tập 3 - Trang 1-7 - 2015
Carbamate esters represent an important class of organic compounds which find
wide application in chemical industry. Classical procedures for the preparation
of carbamates are based on the reaction with a very risky compound - phosgene or
phosgene derivatives. A phosgene-free flow-system synthesis of eight carbamates
in the reaction of various amines with dimethyl carbonate has been presented.
The...