Results 81 to 90 of about 831 (155)

Manufacturing of environment friendly biolubricants from vegetable oils

open access: yes, 2017
Environment friendly products such as fuels and lubricants are among the candidates which are studied in several countries including Egypt. The purpose of this work was to utilize commercially available palm oil and Jatropha oil for the production of ...
Ebtisam K. Heikal   +3 more
core   +1 more source

TOPSIS Multi-Criteria Decision Modeling Approach for Biolubricant Selection for Two-Stroke Petrol Engines

open access: yesEnergies, 2015
Exhaust pollutants from two-stroke petrol engines are a problem for the environment. Biolubricants are a new generation of renewable and eco-friendly vegetable-based lubricants, which have attracted a lot of attention in recent years.
Masoud Dehghani Soufi   +4 more
doaj   +1 more source

Viscoelasticity and shear-thinning effects on bio-polymer solution and suspended particle behaviours under oscillatory curve Couette flow conditions

open access: yesBiosurface and Biotribology, 2018
Formation of wear particles within total hip replacement is one of the main causes of its failure. In addition to improving the lubrication and wear resistance of materials used as bearing surfaces, understanding of wear particle distribution patterns ...
Alaleh Safari   +2 more
doaj   +1 more source

Biolubricants Based on Epoxidized Vegetable Oils: A Review on Chemical Modifications, Tribological Properties, and Sustainability

open access: yesLubricants
The growing demand for sustainable and high-performance lubricants has accelerated interest in biolubricants derived from renewable feedstocks. Vegetable oils are attractive candidates due to their biodegradability, low toxicity, and favorable viscosity ...
Diana C. M. Ribeiro   +3 more
doaj   +1 more source

Energy Recovery from Municipal Sewage Sludge: An Environmentally Friendly Source for the Production of Biochemicals

open access: yesApplied Sciences
In this work, a detailed analysis of the lipid component in primary sludge and sewage scum up-taken from several wastewater treatment plants located in southern Italy was carried out.
Luigi di Bitonto   +2 more
doaj   +1 more source

Vegetable oils as hydraulic fluids for agricultural applications

open access: yesGrasas y Aceites, 2011
The formulation of environmentally friendly lubricants following the criterion of the European EcoLabel is expensive owing to the lack of technological development in this area.
G. Mendoza   +5 more
doaj   +1 more source

Synthesis of fatty acid derivatives as potential biolubricants and their physical properties and boundary lubrication performances [PDF]

open access: yes, 2012
The desire to replace petroleum-based materials with environmentally friendly and sustainable alternatives has stimulated the development of vegetable oil-based materials as biolubricants.
Yao, Linxing
core   +1 more source

Lubrifiants et environnement

open access: yesOléagineux, Corps gras, Lipides, 2005
As figures show, volumes of lost lubricants in Europe like in most of industrial countries represent a threat for the environment and for the human health.
De Caro Pascale, Cecutti Christine
doaj   +1 more source

Synthesis and Physical Properties of Potential Biolubricants based on Ricinoleic Acid

open access: yes, 2016
The desire to replace petroleum-based materials with environmentally friendly and sustainable alternatives has stimulated the development of vegetable oil-based materials as biolubricants.
Bhuyan, Satyam   +4 more
core   +1 more source

A Semi-Mechanistic Approach to Modeling Lipase-Catalyzed Processes with Multiple Competing Reactions: Demonstration for the Esterification of Trimethylolpropane

open access: yesBiomass
Kinetic models are important tools for guiding the design and optimization of lipase-catalyzed processes. These processes follow the Ping Pong bi bi mechanism, for which mechanistic kinetic equations can be derived.
Ana Paula Yumi Nishimura   +3 more
doaj   +1 more source

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