Butamax Advanced Biofuels LLC

E.i. Dupont De Nemours and Company

Butamax (tm) Advanced Biofuels LLC

The Chemours Company Tt, LLC

Joseph J Zaher

Michael Charles Grady

Robert DiCosimo

Mark Scott Payne

Robert Donald Fallon

Daniel P O'Keefe

Thomas Foo

Anna Panova

F Glenn Gallagher

Xu Li

George C Fox

Jeffery Scott Thompson

William David Parten

Brian Michael Roesch

Keith H Burlew

Yihui Tom Xu

Bruce M Vrana

Robert W Sylvester

David J Lowe

Raymond Richard Zolandz

James Timothy Cronin

Stephane Francois Bazzana

John W Hallam

Scott N Hutchison

Steven Christopher Barr

Bryan C Fritzler

Adam Bernfeld

David Richard Corbin

Mark B Shiflett

Carmine C Torardi

Keith Ward Hutchenson

Charles David Musick

Anthony R Calabria

Benjamin Fuchs

Jeffrey Scott Thompson

Aidan Hurley

Yung-Hsing Samson Hsu

Mathias E Stolarski

James Gregory Wood

Robert A Johns

Thomas Paul Griffin

Sheng Li

Ana Paula Goes

Adam David Henry

Walter Tamulis

Duncan Coffey

Timothy J Becnel

Adam Jones

Stephan E Francois Bazzana

Mark Brandon Shiflett

Mustafa Akser

The present disclosure is directed to methods, approaches, devices, equipment, and systems for minimizing or reducing contamination in facilities implementing fermentation or distillation processes. In embodiments, the facility is a biofuel plant that produces fermentation product such as product alcohol like butanol. In some embodiments, the methods, approaches, devices, equipment, and systems are operable to implement clean in place contamination (CIP) mitigation techniques that can also include sterilize in place (SIP) mitigation techniques to decontaminate equipment including surfaces of the equipment that come in contact with materials used in the production of product alcohols. Other cleaning and contamination minimizing techniques are also described.

Contamination mitigation

The present invention relates to processes to remove butanol and other product alcohols from a fermentation broth employing vacuum vaporization.

Process to remove product alcohols from fermentation broth

The present invention relates to processes for recovering butanol produced in a fermentative process using, for example, an ethanol production plant which has been reversibly-retrofitted for butanol production, that is, the ethanol production plant may be converted for butanol production, but can also revert to an ethanol production. The present invention also relates to processes for recovering butanol produced in a fermentative process in a butanol production plant that may be converted to ethanol production plant.

Processes and systems for alcohol production and recovery

Provided herein are methods for recovering butanol from a fermentation medium. The methods comprise providing a fermentation medium comprising butanol, water, and a recombinant microorganism comprising a butanol biosynthetic pathway, wherein the recombinant microorganism produces butanol; contacting the fermentation medium with a water immiscible organic extractant composition comprising a dry solvent to form a butanol-containing organic phase and an aqueous phase; and recovering the butanol from the butanol-containing organic phase.

Method for producing butanol using extractive fermentation

A method and system for efficiently producing a fermentative product alcohol such as butanol utilizing in situ product extraction are provided. The efficiency is obtained through separating undissolved solids after liquefying a given feedstock to create a feedstock and prior to fermentation, for example, through centrifugation. Removal of the undissolved solids avoids problems associated with having the undissolved solids present during in situ production extraction, and thereby increases the efficiency of the alcohol production.

Methods and systems for removing undissolved solids prior to extractive fermentation in the production of butanol

The present invention relates to the fermentative production of alcohols including ethanol and butanol, and processes for improving alcohol fermentation employing in situ product removal methods.

Processes and systems for the fermentative production of alcohols

The present disclosure relates to a vapor phase process for producing a substantially anatase-free titanium dioxide pigment comprising reacting a vaporous titanium dioxide precursor and an oxygen containing gas in a reactor; and introducing a mixture of liquid silicon halide and liquid titanium dioxide precursor into the reactor at a point downstream of the addition of the vaporous titanium dioxide precursor, and the oxygen containing gas, and at a process temperature of about 1200&#xb0; C. to about 1600&#xb0; C. to produce titanium dioxide particles that are substantially encapsulated in silicon dioxide.

Process for controlling particle size and silica coverage in the preparation of titanium dioxide

Method for production of butanol using extractive fermentation

The present invention relates to the production of fermentation products such as alcohols including ethanol and butanol, and processes employing in situ product removal methods.

Processes and systems for the production of fermentation products

A fermentation liquid feed including water and a product alcohol and optionally COis at least partially vaporized such that a vapor stream is produced. The vapor stream is contacted with an absorption liquid under suitable conditions wherein an amount of the product alcohol is absorbed. The portion of the vapor stream that is absorbed can include an amount of each of the water, the product alcohol and optionally the CO. The temperature at the onset of the absorption of the vapor stream into the absorption liquid can be greater than the temperature at the onset of condensation of the vapor stream in the absence of the absorption liquid. The product alcohol can be separated from the absorption liquid whereby the absorption liquid is regenerated. The absorption liquid can include a water soluble organic molecule such as an amine.

Process to remove product alcohol from a fermentation by vaporization under vacuum

A process for recovering butanol from a mixture comprising a water-immiscible organic extractant, water, butanol, and optionally a non-condensable gas, is provided. The butanol is selected from 1-butanol, 2-butanol, isobutanol, and mixtures thereof. An overhead stream from a first distillation column is condensed to recover a mixed condensate. An entrainer is added to at least one appropriate process stream or vessel such that the mixed condensate comprises sufficient entrainer to provide phase separation of the organic and the aqueous phases to provide for recovery of the butanol.

Recovery of butanol from a mixture of butanol, water, and an organic extractant

A process for recovering butanol from a mixture comprising a water-immiscible organic extractant, water, butanol, and optionally a non-condensable gas, is provided. The butanol is selected from 1-butanol, 2-butanol, isobutanol, and mixtures thereof. The extractant comprises at least one solvent selected from the group consisting of Cto Cfatty alcohols, Cto Cfatty acids, esters of Cto Cfatty acids, Cto Cfatty aldehydes, and mixtures thereof.

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Newark, DE, United States of America

Joseph J Zaher