IR@NEIST - North East Institute of Science and Technology (CSIR)
Not a member yet
339 research outputs found
Sort by
Montmorillonite K-10 as a reusable catalyst for fischer type of glycosylation under microwave irradiation
Get PDFCultivation of Shiitake mushroom - a potential agro-industry for hilly areas of North Eastern India
Get PDFDevolatilization of coals of North-Eastern India under fluidized bed conditions in oxygen-enriched air
Get PDFOxygen-enriched air can increase the combustion efficiency, boiler efficiency, and sulfur
absorption efficiency of atmospheric fluidized bed combustion (AFBC) boilers which use
high-sulfur coal, and other combustion systems that use coal. Devolatilization is the first
step in the gasification or combustion of coal. In this work, devolatilization characteristics of
five run-of-mine (ROM) coals of North-Eastern India having particle-size between 4mmand
9 mm are reported. The experiments were performed under fluidized bed conditions at
1123 K in enriched air containing 30% oxygen. The devolatilization time was correlated with
the particle diameter by a power law correlation. The variation of mass with time was
correlated by an exponential correlation. It was observed that the average ratio of yield of
volatile matter to the proximate volatile matter decreased with the increase in volatilecontent
of the coals. A shrinking-core model was used to determine the role of filmdiffusion,
ash-diffusion and chemical reaction. The experimental results indicate the
likelihood of film-diffusion to be the rate-controlling mechanism in presence of oxygenenriched
air. A cost-analysis was carried out to study the economy of the proces
Selectivity in eactive extraction of 7-aminodeactoxy- cephalosporanic acid and cephalexin with Aliquat-335 , In--Book of Abstract
Get PDFConversion of Alcohols to Carbonyls and Monohydroxy Phenols with UHP in Ionic Liquid: Use of Acidic Amberlite Resin (IRA-120) as Catalyst
Get PDFAn efficient method for the synthesis of indolo[3,2-b]carbazoles from 3,3'- bis(indolyl)methanes catalyzed by molecular iodine
Get PDFAn efficient and one-pot synthesis of 2,4,5-trisubstituted and 1,2,4,5-tetrasubstituted imidazoles catalyzed by InCl3·3H2O
Get PDFInCl3�3H2O was found to be a mild and effective catalyst for the efficient, one-pot, three component synthesis of 2,4,5-trisubstituted
imidazoles at room temperature. Moreover, the utility of this protocol was further explored conveniently for the one-pot, four
component synthesis of 1,2,4,5-tetrasubstituted imidazoles in high yields
A microwave promoted and Lewis acid catalysed solventless approach to 4-azasteroids
Get PDFThe preparation of 3-oxo-4-azasteroid fromA-nor-3,5-secosteroid-3-oic acid is described in a
solventless condition catalysed by Lewis acid under microwave irradiation.We utilized urea
as an environmentally benign source for the generation of ammonia for the aza cyclization
reaction
The facile and efficient three-component one-pot Mannich-type reaction of indoles catalyzed by In(OTf)3 under microwave irradiations
Get PDFIndium triflate catalysed the three-component one-pot reaction of indole 1 with a heteroimine generated in situ
under microwave irradiations and afforded predominately secondary indolyl amines 4 in excellent yields as well as bisindolyl
methane 5 in poor yields. The catalyst indium triflate can be recovered after the reaction and reused in the subsequent
experiments
