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Small-scale production of straight vegetable oil from rapeseed and its use as biofuel in the Spanish territory
(2010-01)
Article.
Accés obert
Article.
Accés obert
Biofuels nowadays are an important topic of study. The most significant point is the availability of bioethanol or biodiesel and their production from different raw materials. It is already known that
large scale production ...
Application of highly carboxylate resins in aqueous emulsion for leather coating avoiding the use of isopropyl alcohol
(2016-08-15)
Article.
Accés obert
Article.
Accés obert
Today, the first stages of the finishing processes of buffed cattle hides or full loose grain – known as impregnation – are largely carried out with acrylic resins and penetrating agents (typically, a mixture of surfactants ...
An evaluation of the life cycle cost of rapeseed oil as a straight vegetable oil fuel to replace petroleum diesel in agriculture
(2011-08)
Article.
Accés obert
Article.
Accés obert
The use of straight vegetable oil (SVO) as biofuel has been recognized as a valid substitute of diesel fuel in the agricultural sector under specific circumstances. Its direct use reduces
most of the chemical processes ...
Temperature dependence of density and viscosity of vegetable oils
(2012-07)
Article.
Accés obert
Article.
Accés obert
The straight use of vegetable oils as fuel in diesel engines entails adjusting several physical properties such as density and viscosity. By adequately heating the vegetable oil before entering the injection system, its ...
Environmental life cycle assessment of rapeseed straight vegetable oil as self-supply agricultural biofuel
(2013-02-01)
Article.
Accés obert
Article.
Accés obert
Biofuels are nowadays considered a questionable environmental alternative to fossil fuels. In that context, this work analyses the environmental impacts when introducing rapeseed on the traditional and
current wheat and ...
Carbon footprint and toxicity indicators of alternative chromium free tanning in China
(2015-05-01)
Article.
Accés restringit per política de l'editorial
Article.
Accés restringit per política de l'editorial
This paper analyzes, from a life cycle perspective, the environmental performance of a newly developed chromium-free tanning process compared to the conventional one, in China. Both processes were evaluated by using carbon ...
Evaluation of a new sustainable continuous system for processing bovine leather
(2015-08-15)
Article.
Accés obert
Article.
Accés obert
The aim of the present work is to evaluate a new sustainable continuous system for processing bovine leather. By means of a prototype described in the international patent WO, 2010/070571 (A2) of the technological centre ...
Environmental optimization of chromium recovery from tannery sludge using a life cycle assessment approach
(Elsevier, 2011)
Article.
Accés restringit per política de l'editorial
Article.
Accés restringit per política de l'editorial
Life cycle assessment (LCA) was used to evaluate the environmental impact of an oxidative chromium recovery method from tannery sludge, in comparison with the usual landfilling process. Three improvement
options (water ...
Carbon footprint and energy balance of biodiesel produced from tannery fleshings
(2014-09-01)
Article.
Accés restringit per política de l'editorial
Article.
Accés restringit per política de l'editorial
This paper analyzes, from a life cycle perspective, the environmental performance of biodiesel obtained from leather industry fleshing waste (BDF). The indicators used for this environmental evaluation are: global warming ...
Environmental assessment of dehydration processes for bovine leather
(2017-02-15)
Article.
Accés restringit per política de l'editorial
Article.
Accés restringit per política de l'editorial
The purpose of this work is to compare the environmental impact of two systems for processing bovine leather: (i) a new continuous system that consists in dehydration and tanning and post-tanning by immersion versus (ii) ...