SYSTEM FOR THE TORREFACTION OF LIGNOCELLULOSIC MATERIAL

WIPO Patent Application WO/2013/003615

A3

A pressurized torrefaction reactor vessel including: a rotatable shaft extending vertically down from a top of the vessel; scraper devices each at a different elevation within the vessel and mounted to the shaft; a tray associated with each one of the scraper devices such that the scraper device is immediately above a tray of the tray assembly; wherein the tray is an open mesh and impermeable to passage of biomass through the tray; each tray includes a discharge opening to transfer biomass from the tray and down to a tray of a lower one of the tray assemblies, and wherein the discharge opening in the lowermost tray assembly transfers the biomass to a pile of the biomass in the vessel, and a bottom discharge port of the vessel through which the torrefied biomass is discharged.

EYER ANDREW (US)
STROMBERG BERTIL (US)
RAWLS JOSEPH MONROE (US)
GREENWOOD BRIAN F (US)
WESTON JOHN (US)
SESTRICH MICHAEL (US)
NANDY NACHIKETA (US)
BOLLES JOHN (US)
MIELE JAY (US)

PCT/US2012/044686

February 14, 2013

June 28, 2012

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ANDRITZ INC (US)
EYER ANDREW (US)
STROMBERG BERTIL (US)
RAWLS JOSEPH MONROE (US)
GREENWOOD BRIAN F (US)
WESTON JOHN (US)
SESTRICH MICHAEL (US)
NANDY NACHIKETA (US)
BOLLES JOHN (US)
MIELE JAY (US)

C10L5/44; C10L9/08

WO2012024314A1

2012-02-23

US20100242351A1	2010-09-30
US20100083530A1	2010-04-08
US3742735A	1973-07-03

NELSON, Jeffry, N. (901 North Glebe Road 11th Floo, Arlington VA, US)

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