Title of Invention

A PROCESS FOR PRODUCTION OF ETHANOL FROM LIGNOCELLULOSIC MATERIAL

Abstract This invention relates to a process for production of ethanol from lignocellulosic material. The process use carboxylic acid preferably oxalic acid pre-treatment for complete hydrolysis of hemicellulose material to produce high yield of fibrilateabble cellulose pulp having a high unreacted lignin. The process comprises pre-treatment with a mixture of water and oxalic acid at elevated temperature and pressure followed by alkaline treatment and then subsequently followed by enzymatic treatment. In enzymatic treatment Cellulolytic enzymes are used which consist of a catalytic domain, a linking peptide, and a binding domain. The oxalic acid mimics the action of enzymes. The oxalic acid catalyze the less degradation of glucose and xylose from cellulose and hemicellulose are higher for the oxalic acid when tested, as compared to other pretreatments.
Full Text

Documents:


Patent Number 250042
Indian Patent Application Number 878/MUM/2008
PG Journal Number 48/2011
Publication Date 02-Dec-2011
Grant Date 30-Nov-2011
Date of Filing 21-Jul-2008
Name of Patentee PRAJ INDUSTRIES LIMITED
Applicant Address PRAJ HOUSE, BAVDHAN, PUNE-411021,
Inventors:
# Inventor's Name Inventor's Address
1 MOHAN BABU PRAJ HOUSE, BAVDHAN, PUNE-411021,
2 RAVIKUMAR RAO PRAJ HOUSE, BAVDHAN, PUNE-411021,
3 MILIND KULKARNI PRAJ HOUSE, BAVDHAN, PUNE-411021,
4 SHASHANK INAMDAR PRAJ HOUSE, BAVDHAN, PUNE-411021,
PCT International Classification Number C12P7/10
PCT International Application Number N/A
PCT International Filing date
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 NA