isobutanol


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isobutanol

[¦ī·sō′byüt·ən‚ȯl]
(organic chemistry)
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Gevo announced that it has developed proprietary, breakthrough processes that converts either low-carbon isobutanol or low-value "fusel oils," a mixture of alcohols that are byproducts from fermentation processes such as alcohol production, into renewable diesel.
Isobutyraldehyde is widely used for the production of isobutanol, which has a wide range of applications from gasoline additive to plasticizer in plastics & rubber industry.
Taking a step closer to a "green" replacement for fossil fuels, a research team that includes a chemical engineer at Worcester (Mass.) Polytechnic Institute has developed a novel process using an unusual solvent and an exotic microorganism that may make it possible to manufacture isobutanol and other biofuels more economically.
Anaerobic stocks of the filter-sterilized substrates (sodium formate, sodium acetate, trimethylamine, methanol, 2-propanol, and isobutanol) were prepared and separately added at a final concentration of 50 mM.
Health-related information of tested VOCs and generated by-products Pollutnat REL (ppm) REL data source IARC carcinogenic classification 2-Propanol 400 NIOSH Group 3, not classifiable as to its carcinogenicity to humans 1-Butanol 50 NIOSH REL for - isobutanol n-Hexane 50 NIOSH - Octane 75 NIOSH - Toluene 100 NIOSH Group 3, not classifiable as to its carcinogenicity to humans O-xylene 100 NIOSH Group 3, not classifiable as to its carcinogenicity to humans MEK 200 NIOSH - Formaldehyde 0.016 NIOSH Group 1, carcinogenic to humans Acetaldehyde 0.078 OEHHA (*) Group 2B, possibly carcinogenic to humans Acetone 250 NIOSH - Propionaldehyde - Not established - (*) Office of Environmental Health Hazards Assessments, California Environmental Protection Agency, U.S.
This manuscript presents an evaluation of three candidates which have been evaluated favorably by the tiered screening approach, particularly due to their ability to increase both RON and S when blended into a base fuel: isobutanol, 2-butanol, and diisobutylene.
The powdered material (500 g) was soaked into ethyl acetate, absolute methanol, distilled water, or isobutanol for 24 hours.
A 5 ml aliquot of the photooxidized solution of TH was placed in a 100 ml separating funnel, 2 ml of dehydrated ethanol was added, and the solution extracted with 10 ml of isobutanol to isolate TC.
Once sugars have been isolated, numerous pathways exist for creating fuels, including converting the sugars to isobutanol (similar to the intermediate ethanol generated from agricultural crops).
This renewable energy has been derived from an alcohol called isobutanol, produced from renewable feedstocks such as sugar, corn, or forest wastes will discuss in details FRL level [9].