Showing 81 - 90 of 4,053
Catalyst plays an important role in biodiesel production. Owing to the advantages of heterogeneous catalysts in terms … different industrial processes. Therefore, its utilization as catalyst makes the biodiesel production a “greener” one. Under … optimal conditions biodiesel (FAME) yields up to 90–98.3% were reported over various carbon based catalysts. …
Persistent link: https://www.econbiz.de/10011049502
Because of biodegradability and nontoxicity biodiesel has become more attractive as alternative fuel. Biodiesel is … produced mainly from vegetable oils by transesterification of triacylglycerols. From economic and social reasons, edible oils … should be replaced by lower-cost and reliable feedstocks for biodiesel production such as non-edible plant oils. This paper …
Persistent link: https://www.econbiz.de/10011049579
reaction rate is focused on. UA transesterification is compared with other techniques for biodiesel production. Several …In the present paper state-of-the art and perspectives of ultrasound-assisted (UA) biodiesel production from different … oil-bearing materials using acid, base and enzyme catalysts are critically discussed. The ultrasound action in biodiesel …
Persistent link: https://www.econbiz.de/10011049598
An experiment to establish the best reaction conditions for the transesterification of soybean oil is described. We …/oil molar ratio, catalyst (%), catalyst type, and temperature affected the process. The highest yield of biodiesel was obtained … also conducted the physicochemical analysis of the soybean oil used as feedstock to produce biodiesel. …
Persistent link: https://www.econbiz.de/10011053226
The potential of Jatropha curcas seed oil for biodiesel production is well recognized. Lipase transesterification of … enzymatic transesterification. This study investigated the impact of methanol adding on transesterification efficiency for … bonds of linoleic acid (C18:2) on methanolytic transesterification by both adding methods. …
Persistent link: https://www.econbiz.de/10011053486
Effects of variation in biodiesel fuel properties on engine performance are not completely understood and there is a … need for further research. The effects of altering the feedstock oil and alcohol type used in biodiesel production on … acid ethyl esters (Rapeseed, Soybean, Palm, Lard, Tallow) were studied. Compared to petro-diesel, biodiesel showed …
Persistent link: https://www.econbiz.de/10011053544
of various reaction conditions on the quantity and quality of biodiesel (yield, purity, acid number, carbon residue, free … independent experiments and they are able to predict the biodiesel quantity and quality in the range of the reaction conditions …
Persistent link: https://www.econbiz.de/10011054115
In this paper, parameters affecting castor oil transesterification reaction were investigated. Applying four basic … catalysts including NaOCH3, NaOH, KOCH3 and KOH the best one with maximum biodiesel yield was identified. Using Taguchi method … rate of transesterification reaction. Furthermore, applying ASTM D 976 correlation, minimum cetane number of produced …
Persistent link: https://www.econbiz.de/10011054288
Kerala (India), are chosen and their transesterification processes have been investigated. The various process variables like … temperature, catalyst concentration, amount of methanol and reaction time were optimized. Biodiesel from rubber seed oil (with …(±2)°C with 1h reaction time followed by transesterification using methanol–oil ratio of 0.30 v/v, 0.5 w/v KOH as alkaline …
Persistent link: https://www.econbiz.de/10011055058
Alkali-catalyzed transesterification of waste frying oils (WFO) was carried out in various conditions to investigate … dowex) on the biodiesel yields. The optimum conditions were 0.5%wt. of NaOH, 30min reaction time, 50°C reaction temperature …, 7.5 methanol to oil ratio and purification with hot distilled water. 96% biodiesel yield with ∼97% ester content was …
Persistent link: https://www.econbiz.de/10011055230