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Process for producing volatile organic compounds from biomass material

A technology of biomass materials and organic compounds, applied in the preparation of organic compounds, biochemical equipment and methods, separation/purification of hydroxyl compounds, etc., can solve the problems of low storage efficiency and expensive storage, and achieve the goal of eliminating demand Effect

Active Publication Date: 2015-01-21
SHELL INT RES MAATSCHAPPIJ BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Likewise, Noah and Linden note storage and inefficient sugar extraction as two major disadvantages of using sweet sorghum as fuel and chemicals
[0015] In summary, obstacles to the use of sorghum and other plants containing fermentable sugars include the fact that they are only seasonally available and expensive to store, making it a challenge to use infrastructure and planning labor efficiently; Sugar extraction and storage are two key hurdles, as conversion must begin immediately after harvest to avoid spoilage

Method used

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  • Process for producing volatile organic compounds from biomass material
  • Process for producing volatile organic compounds from biomass material
  • Process for producing volatile organic compounds from biomass material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment A

[0128] In this example, various samples of fresh chopped sorghum were mixed with various added components listed in Table A.1 and stored in silage lines for 258 days. The amount of ethanol produced in each experiment is shown in the bottom row of the table. Addition rates for selected additives are shown in Table A.2.

[0129]

[0130] Table A.2

[0131] additive rate

[0132] The experiments of example A demonstrate the principle of ethanol production in silage stacks and the duration of this storage, furthermore they demonstrate the influence of certain additives. All cases produced significant amounts of ethanol in this example, showing that embodiments of the invention can be quite robust. In Table A.1, all but the last row describe which additives were entered into the test. The bottom row depicts the results of ethanol production in this experiment. In general, experiments with acid indicated superior stability relative to those without acid. Neverthele...

Embodiment B

[0134]In Example B, three additional experiments are shown in Table B.1. Addition rates for selected additives are shown in Table B.2.

[0135] Table B.1

[0136]

[0137]

[0138] Table B.2

[0139] Additives

[0140] The experiments in Example B also demonstrate the effect of certain additives as well as the effect of scale. Experiments 1 and 2 of Example B were performed in the same tank to demonstrate that this fermentation technique is stable and efficient on a commercial scale.

Embodiment C

[0142] In these experiments, GEA SSD TM Used as a solvent-free recovery unit. In Table C.1 below, the top section describes certain properties of the prepared biomass material fed into the system. The next section describes the conditions for the solid components leaving the solvent less recovery system. The third section shows the operating conditions of the solvent-less recovery system and the last section gives the recovery rates of the main liquid components: ethanol, acetic acid and water. Shown here is the ability to recover >90% ethanol in the solids in all cases (100% in some cases), and the ability to vary the amount of ethanol and water recovered based on the conditions of the solvent-less recovery system. Samples 10, 11 and 12 below also contained significant amounts of acetic acid and show that this method can also be used to recover acetic acid efficiently.

[0143]

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PUM

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Abstract

Embodiments of the present invention provide for production and recovery of ethanol or other volatile organic compounds, such as acetic acid, from solid biomass material. One embodiment comprises introducing a biomass material to a compartment of a solventless recovery system, wherein the biomass material contains one or more volatile organic compounds; contacting the biomass material with a superheated vapor stream in the compartment to vaporize at least a portion of an initial liquid content in the biomass material, said superheated vapor stream comprising at least one volatile organic compound; separating a vapor component and a solid component from the heated biomass material, said vapor component comprising at least one volatile organic compound; and retaining at least a portion of the gas component for use as part of the superheated vapor stream.

Description

field of invention [0001] Embodiments of the invention generally relate to methods of producing volatile organic compounds, such as ethanol, from biomass materials, and more particularly to fermenting and recovering such volatile organic compounds from biomass materials. Background of the invention [0002] This section is intended to introduce various aspects of prior art which may be relevant to the exemplary embodiments of this invention. This discussion is considered to aid in providing a framework within which to better understand certain aspects of the invention. Accordingly, it should be understood that this section should be read in this light, and not necessarily as an admission of any prior art. [0003] As the worldwide supply of petroleum continues to decrease, there is a growing demand for alternative materials that can replace various petroleum products, especially transportation fuels. Incentives for the use of oxygenated fuels in motor vehicles are provided...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P7/06C12P7/10B01D1/14C10L3/08C10G3/00C12F3/10
CPCY02E50/17C10G1/002C10G1/04Y02E50/16C10G1/02C10G3/46C07C29/80C07C29/76C10G3/50C12F3/10C12P7/10C12P5/02C12P5/026Y02P30/20Y02E50/10C07C29/82C10L1/182C10L10/02C10L2200/0469C10L2270/023C12P7/14
Inventor C·W·雷德特克P·G·汉密尔顿K·M·克莱特曼
Owner SHELL INT RES MAATSCHAPPIJ BV
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