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Sugar compositions

a technology of sugar composition and sugar, which is applied in the field of sugar composition, can solve the problems of low yield of conversion products, and increased and achieve the effects of increasing the number of sugar compositions, and increasing the cost of fossil fuels

Inactive Publication Date: 2015-01-22
VIRDIA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention relates to sugar compositions that can be used as substrates for chemical catalysts. These compositions are made by hydrolyzing cellulose-containing materials, such as wood or crop residues, with hydrochloric acid. The resulting hydrolyzate contains a mixture of sugars that can be used as a substrate for further conversion processes. The hydrolyzate can be in the form of an aqueous solution or a dried sugar mixture. The concentration of sugars in the solution is typically 40% to 80%. The invention also relates to the reduction of inorganic materials in the hydrolyzate, which can help decrease catalyst fouling and poisoning during the conversion process. The level of furfurals present in the sugar mixture can also be controlled. The invention also includes the ability to adjust the saccharide composition of the hydrolyzate, which can be useful for various applications.

Problems solved by technology

The increasing cost of fossil fuels has created a demand for alternative energy sources.
In practice, development of this technology has revealed a variety of technical problems including, but not limited to, fouling or poisoning of catalysts, unacceptably low yields of conversion product and requirements for reaction conditions which make the conversion process industrially unattractive.

Method used

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example 1

Chemical Analysis of Exemplary Compositions

[0185]Table 1 provides a summary of chemical analyses of six samples of sugar compositions according to exemplary embodiments of the invention. These compositions, when used in chemically catalyzed conversion processes can give results superior to those obtained in similar processes using previously available 42 DE sugar compositions.

TABLE 1chemical analyses exemplary sugar compositionsSAMPLES2011080801S2011081001S2011081301S2011081601PARAMETERRESULT**S11060601S11060602APPEARANCEClearClearColorlessClearColorlessColorlesscolorlesscolorlessliquidcolorlessviscousviscousliquid***liquidliquid***liquidliquidDS** 76% 78% 77% 80% 69% 73%Monomeric94.3% 94.1% 93.5%93.6% 89.7%87.3sugars (total)XYLOSE10.5% 10.7% 11.1%9.9%13.0%12.5%ARABINOSE3.0%3.0% 3.2%2.7%4.26%4.20%MANNOSE25.4% 26.1% 25.3%25.0% 26.4%25.8%GLUCOSE50.5% 49.6% 49.2%50.9% 38.2%37.3%GALACTOSE4.7%4.7% 4.8%4.5%7.80%7.54%FRUCTOSENotNotNotNotNotNotdetecteddetecteddetecteddetecteddetecteddetecte...

example 2

Chemical Analysis of Ash Fraction of Exemplary Compositions

[0186]Table 2 provides a summary of chemical analyses of the ash fraction from the first four samples presented in Table 1.

TABLE 2chemical analyses of ash fraction of exemplary sugar compositionsSAMPLES2011080801S2011081001S2011081301S2011081601IonRESULT (PPM of total solids)CaCuFeK10101111MgMnNa42383443PS7677Si154152146163

[0187]Results presented in Table 2 indicate that sulfur and phosphorus levels in the analyzed samples are exceptionally low.

[0188]These results suggest that the exemplary sugar compositions analyzed will exhibit a low tendency to foul and / or poison catalysts employed in the relevant conversion processes.

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Abstract

A sugar composition comprising at least 40% dissolved solids in an aqueous solution having a viscosity at least 10% lower than a 42 DE (Dextrose Equivalents) reference solution with a same dissolved solids concentration at a given temperature. Another sugar composition comprising at least 30% glucose relative to total sugars, at least 10% mannose relative to total sugars, at least 5% xylose relative to total sugars, and less than 0.25% ash. Another sugar composition comprising at least 30% glucose relative to total sugars at least 10% mannose relative to total sugars, at least 5% xylose relative to total sugars, and at least 2% total furfurals.

Description

RELATED APPLICATIONS[0001]In accord with the provisions of 35 U.S.C. §119(e) and §363, this application claims the benefit of:[0002]U.S. 61 / 545389 filed Oct. 10, 2011 by Aharon EYAL and entitled “Sugar Compositions And Uses Thereof”; which is fully incorporated herein by reference.[0003]This application is related to the following co-pending applications:[0004]Prior PCT application IL 2011 / 000424 filed on Jun. 1, 2011 by Robert JANSEN et al. and entitled “LIGNIN COMPOSITIONS, SYSTEMS AND METHODS FOR PROCESSING LIGNIN AND / OR HCl” and published as WO / 2011 / 151823;[0005]Prior PCT application IL 2011 / 000509 filed on Jun. 26, 2011 by Aharon EYAL et al. and entitled “SUGAR MIXTURES AND METHODS FOR PRODUCTION AND USE THEREOF” and published as WO 2011 / 161685;[0006]Prior PCT application IL 2011 / 000517 filed on Jun. 28, 2011 by Aharon EYAL et al. and entitled “METHODS AND SYSTEMS FOR PROCESSING A SUCROSE CROP AND SUGAR MIXTURES” and published as WO2012 / 001688;[0007]Prior PCT application US 201...

Claims

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Application Information

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IPC IPC(8): C13K13/00C13K1/02A23L27/30
CPCC13K1/02C13K13/002C13K13/00C07H3/02A23L1/09C07H3/06C13B50/00A23L29/30C07H3/04C13K11/00
Inventor EYAL, AHARONJANSEN, ROBERT
Owner VIRDIA
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