Method to valorize 2G bioethanol waste streams

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United States of America Patent

PATENT NO 11623937
SERIAL NO

17411722

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An integrated approach for utilizing waste products of 2G bio-refineries to fractionate the lignin of high purity. The present invention also provides a method of recycling of two waste products (2-G ethanol residue as the substrate (LRBR) and fusel oil/synthetic fusel oil (SFO) as one of the solvent) of the biorefineries in a beneficial manner to fractionate the lignin of high purity. The present method of separating high purity lignin comprises fractioning extractive-free lignin rich residue with a solvent, wherein the solvent is a mixture of SFO/Fusel oil and Formic acid. An optimized ratio of waste fusel oil and formic acid gave more than >85% yields of high purity lignin.

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Patent Owner(s)

Patent OwnerAddress
INDIAN OIL CORPORATION LIMITEDMUMBAI 400051 MAHARASHTRA
DEPARTMENT OF BIOTECHNOLOGYMINISTRY OF SCIENCE AND TECHNOLOGY BLOCK-2 7TH FLOOR C G O COMPLEX LODI ROAD NEW DELHI 110 003 INDIA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Agrawal, Ruchi Faridabad, IN 6 21
Gupta, Ravi Prakash Faridabad, IN 31 6
Kumar, Ravindra Faridabad, IN 261 3174
Puri, Suresh Kumar Faridabad, IN 45 35
Ramakumar, Sankara Sri Venkata Faridabad, IN 142 104
Satlewal, Alok Faridabad, IN 8 0
Saxena, Deepak Faridabad, IN 28 28

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