Method, container and uses for converting biomass materials into soluble substances by one-step

Inactive Publication Date: 2017-04-20
TIANJIN INST OF IND BIOTECH CHINESE ACADEMY OF SCI TIANJIN CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0005]In nature, there are methods that utilizing biomass materials quickly and subtly in the bodies of wood-eating termites and white rot fungus. The research work of the applicant for the present invention finds the reason why the organisms can utilize biomass materials quickly is that their bodies produce radicals, and the radicals oxidize and destroy the crystalline region of biomass materials and modify lignin at the same time, to greatly reduce the barrier of biomass materials that are resistan

Problems solved by technology

However, the natural biomass materials are resistant to enzymatic hydrolysis due to having the characteristics of dense structure, composition diversity and complexity of the chemical structure, etc.
The process for converting biomass materials into high value-added products is more complex, which needs pretreatment process that can destroy the barrier of biomass materials that are resistan

Method used

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  • Method, container and uses for converting biomass materials into soluble substances by one-step
  • Method, container and uses for converting biomass materials into soluble substances by one-step

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embodiment 1

[0074]With the method above, an experiment was carried out in the present invention by using the following conditions. current intensity: 0.3 A; reacting at different times; molarity and volume ratio of NaCl: 0.4 mol / L; mass / volume ratio of the particle electrodes in the electrolyte: 2%; mass / volume ratio of the lignin in the electrolyte: 5%; After reaction, samples were taken and extracted by ethyl acetate and n-hexane. The varieties of the products were analyzed by GC-MS. The result of GC-MS showed the product mainly included two substances: hexadecanoic acid, methyl ester and 9-octadecenoic acid, methyl ester. The main products from the biomass materials were hexadecanoic acid and 9-octadecanoic acid. This was because products need to be methyl esterified before the GC-MS analysis, and the real products should accordingly remove methyl ester moieties. Yields and conversion rates of every product were analyzed by GC-MS. The gas detection diagram was shown in FIG. 1, and the variet...

embodiment 2

[0075]With the method above, an experiment was carried out in the present invention by using the following conditions. current intensity: 0.3 A; molarity and volume ratio of NaCl: 0.2 mol / L; mass / volume ratio of the particle electrodes in the electrolyte: 2%; mass / volume ratio of the lignin in the electrolyte: 5%; After different reaction time, samples were taken and extracted by ethyl acetate and n-hexane. Yields and conversion rates of every product were analyzed by GC-MS, as shown in table 3. The gas detection diagram was shown in FIG. 2.

TABLE 3conversion ratios of two products in the present embodimenthexadecanoic9-octadecenoicproductacidacidconversion rate (57.5 min)24.2%23.4%

embodiment 3

[0076]With the method above, an experiment was carried out in the present invention by using the following conditions. current intensity: 0.3 A; molarity and volume ratio of NaCl: 0.4 mol / L; mass / volume ratio of the particle electrodes in the electrolyte: 3%; lignin: 5%; After different reaction time, samples were taken and extracted by ethyl acetate and n-hexane. Yields and conversion rates of every product were analyzed by GC-MS, as shown in table 4. The gas detection diagram was shown in FIG. 3.

TABLE 4conversion ratios of two products in the present embodimenthexadecanoic9-octadecenoicproductacidacidconversion rate (90 min)18.3%20.7%conversion rate (120 min)27.6%23.7%

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Abstract

The present invention discloses a method for converting biomass material into soluble substances by one-step, comprising: converting biomass materials into soluble substances by one-step by electrolyzing at a certain time under the condition of constant current using bipolar three-dimension-electrodes system, wherein bipolar three-dimension-electrodes system including an anode, a cathode, particle electrodes and electrolyte, and in electrolyzing process, the particle electrodes and the biomass materials being suspended in the electrolyte. The present invention also discloses a container for converting biomass materials into soluble substances by one-step, comprising: A tank which holds electrolyte at the interior thereof, wherein the side wall of the tank is provided with an opening, the opening is provided with a permeable membrane, and the opening also communicates with a discharge pipe; A pair of electrode plates which are immersed into the electrolyte by at least a part thereof, wherein the pair of electrode plates space from each other and connect to positive pole and negative pole of power supply respectively to form anode and cathode in energized state respectively; and, Particle electrodes which are in granular form and are suspended in the electrolyte. The present invention also discloses uses of soluble substances that are prepared by any one of the methods.

Description

FIELD OF THE INVENTION[0001]The present invention relates to a method for converting biomass materials into soluble substances by one-step, and relates to a container for converting biomass materials into soluble substances, and also relates to uses for soluble substances that are converted from biomass materials.BACKGROUND ART[0002]Biomass materials are the most abundant and cheapest renewable resources. The production of fuel ethanol and the chemicals from biomass materials that have abundant resources, such as agricultural wastes (straw, bagasse, corn stover), forestry wastes (sawdust, wood branches, etc.) and marine algae (green algae, brown algae, red algae), has become a research hotspot at home and abroad. The conversion of biomass materials into chemicals may meet the growing energy needs of human society, reduce dependence on increasingly scarce fossil fuels, and achieve the goal of lowering pollution and protecting the environment. However, the natural biomass materials ar...

Claims

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Application Information

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IPC IPC(8): C25B3/02C25B11/12C25B11/02C25B3/23
CPCC25B3/02C25B11/12C25B11/02C25B3/23C25B9/40C25B11/043
Inventor GAO, LEZHANG, DONGYUANCHEN, SHULIN
Owner TIANJIN INST OF IND BIOTECH CHINESE ACADEMY OF SCI TIANJIN CHINA
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