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Method for comprehensively utilizing xanthoceras sorbifolia shells

A technology of fruit husk and Xanthania sorbifolia, which is applied in the field of comprehensive utilization of radix sorbifolia husks, a raw material for biodiesel, to achieve the effects of low production cost, increased yield, and retained chemical activity

Inactive Publication Date: 2010-12-01
FUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The comprehensive utilization of X. sorbifolium husk not only solves the processing problem of extracting biodiesel husk from the kernel of X. Effective utilization, the bio-natural gas and bio-ethanol produced are clean energy, and another product - enzymatic lignin can replace some petrochemical raw materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] Embodiment 1: according to the example of this patent method comprehensively utilizing Xantho sorbifolia husk

[0050] Use a crusher to crush 100g of dried Xanthos sorbifolium husks into fragments with a diameter of less than 1 cm, and use the QBS-80 steam explosion experimental device to implement pulsed steam under the conditions of 2.0 MPa steam pressure and 90 seconds holding time. Explosion to make the material slurry. Wash with 200ml of water, separate by centrifugal filtration, and dry the solid components to obtain 75.10g of filter residue. After analysis, the hemicellulose content in the filter residue is reduced from 23.72% to 4.16% from 23.72% before the steam explosion of the raw material, indicating that the above steam explosion treatment has removed most of the The hemicellulose is degraded into xylo-oligosaccharides, which are dissolved in water and separated from the shell residue of X. sorbifolium. Then the obtained filter residue was cooked with 40...

Embodiment 2

[0053] Use a crusher to crush 100g of dried Xantho sorbifolium husk into fragments with a diameter of less than 1 cm. Use the QBS-80 steam explosion experimental device to implement pulsed steam explosion under the conditions of 2.5MPa steam pressure and 90 seconds holding time. , the material is slurried, washed with 200ml of water, separated by centrifugal filtration, and the solid component is dried to obtain 73.8g filter residue. After analysis, the hemicellulose content in the filter residue drops from 23.73% before the steam explosion of the raw material to 3.98%. Explosion treatment has degraded most of the hemicellulose in X. sorbifolium husk into xylo-oligosaccharides, dissolved in water and separated from X. sorbifolia husk residue. Then the obtained filter residue was cooked with 400ml, 2% aqueous sodium hydroxide solution at 90°C for 1h, centrifuged, the filter residue was washed with water until neutral, and the filtrate was adjusted to pH 3 with 400ml, 2% aqueous ...

Embodiment 3

[0056] Use a crusher to crush 100g of dried Xantho sorbifolia husks into pieces with a diameter of less than 1 cm. Use the QBS-80 steam explosion experimental device to implement pulsed steam explosion under the conditions of 2.8MPa steam pressure and 80 seconds holding time. , to make the material slurry. Wash with 200ml of water, separate by centrifugal filtration, and dry the solid components to obtain 74.7g of filter residue. After analysis, the hemicellulose content in the filter residue is reduced from 23.73% to 2.95% from 23.73% before the steam explosion of the raw material, indicating that the above steam explosion treatment has removed most of the The hemicellulose is degraded into xylo-oligosaccharides, which are dissolved in water and separated from the shell residue of X. sorbifolium. Then the obtained filter residue was cooked with 400ml, 2% aqueous sodium hydroxide solution at 90°C for 1h, centrifuged, the filter residue was washed with water until neutral, and ...

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Abstract

The invention provides a method for comprehensively utilizing xanthoceras sorbifolia shells. The method comprises the following steps of: performing steam explosion pretreatment on the xanthoceras sorbifolia shells to obtain a slurry material; transforming hemicellulose and partial cellulose sugar into biological natural gas through acidification and methanation by adopting a microorganism transformation principle; extracting and separating enzymatic hydrolysis lignin contained in residues of the xanthoceras sorbifolia shells, wherein the enzymatic hydrolysis lignin can be effectively taken as a modifier for a high polymer material; and converting cellulose in the residues from which the lignin is extracted into bioethanol so as to reasonably and effectively utilize three natural major high polymer components in the xanthoceras sorbifolia shells, namely the hemicellulose, the lignin and the cellulose. The utilization problem of the xanthoceras sorbifolia shells after biodiesel is extracted from xanthoceras sorbifolia nuts in the prior art is solved, major biomass components contained in the xanthoceras sorbifolia shells are utilized reasonably and effectively, the produced biological natural gas and the bioethanol are clean renewable energy sources, and another product, namely, the enzymatic hydrolysis lignin can replace partial petrochemical materials and is used for modifying the high polymer material. Recycling and comprehensive utilization of xanthoceras sorbifolia shell waste can contribute to lowering the cost of the biodiesel, saving energy, reducing emission and bringing high social benefit; and processing technology for comprehensively utilizing the xanthoceras sorbifolia shells is simple and easy to implement and has good effect.

Description

technical field [0001] The invention belongs to the field of biomass refining engineering, and more specifically relates to a method for comprehensive utilization of biodiesel raw material plant Xantho sorbifolium husk. Background technique [0002] As the world's oil resources are dwindling, it is imperative to vigorously develop renewable energy. Renewable energy includes water energy, wind energy, solar energy, biomass energy, geothermal energy and ocean energy, etc. These clean energy sources have great potential, are environmentally friendly and can be recycled. Among them, biomass energy is the energy of solar energy stored in biomass in the form of chemical energy. It is the only renewable energy that can be stored and transported in the form of physical objects based on biomass. [0003] In recent years, a lot of research has been carried out on bio-alcohol, bio-diesel and other biomass new energy at home and abroad, and biomass resources are receiving more and more...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P5/02C12P7/10C12P19/04C05F5/00C10L5/44
CPCY02E50/16Y02E50/343Y02E50/30Y02E50/10Y02A40/20Y02P20/133Y02P20/59Y02W30/40
Inventor 程贤甦
Owner FUZHOU UNIV
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