GranBio to restart cellulosic ethanol production in Brazil

February 06, 2019
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GranBio previously shut down all operations at its 21 million gallon per year (MGY) cellulosic ethanol facility that was launched in 2014 following complications with its biomass pretreatment unit. GranBio now plans to resume operations by producing 8 MGY of cellulosic ethanol in 2019 and 13 MGY in 2020. There are no details on whether GranBio made any modifications to its pretreatment unit; the company utilizes the now-defunct Beta Renewables' steam explosion technology. Clients should monitor GranBio closely but rein in expectations, as steam explosion has so far had a poor commercial track record in cellulosic ethanol production; the only two successful projects to date, Raízen and POET-DSM, both utilize dilute acid pre-treatment.

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Further Reading

Cellulosic Ethanol

Technology | November 09, 2020

Production of ethanol from cellulosic biomass via pretreatment, enzymatic hydrolysis, and fermentation; also known as 2G ethanol. Not part of subscription


Company Snapshot | November 17, 2020

The company was started by Brian Thome in 2008 to develop a biological and mechanical method of increasing the process efficiency of conventional and cellulosic ethanol facilities. To date, the company has raised about $125 million through a combination of grants, venture capital funding, and debt ... Not part of subscription

TreeToTextile's $43 million demonstration plant refines regenerated cellulosic fiber (viscose) production, resulting in lower costs

News Commentary | March 05, 2021

This announcement further adds to the string of scale‑up news within the alternative fibers and materials space. TreeToTextile, owned by H&M, Ikea, Stora Enso, and LSCS Invest, will produce 1,500 tpa of the regenerative cellulosic fibers at Stora Enso's mill in Sweden using Stora Enso's ... Not part of subscription