METHOD FOR PRODUCING PRODUCT DECOMPOSED WITH SUBCRITICAL WATER AND APPARATUS FOR DECOMPOSITION TREATMENT WITH SUBCRITICAL WATER

Title:

METHOD FOR PRODUCING PRODUCT DECOMPOSED WITH SUBCRITICAL WATER AND APPARATUS FOR DECOMPOSITION TREATMENT WITH SUBCRITICAL WATER

Document Type and Number:

WIPO Patent Application WO/2005/077514

Kind Code:

A1

Abstract:

A method for producing a product decomposed with a subcritical water, which comprises pulverizing a material to be treated in advance into particles, mixing the particles with water to prepare a slurry, pressurizing the slurry with a pressing means (1), heating the pressurized slurry with a heating means (2) to form a slurry in a subcritical state, introducing the slurry in a subcritical state from an introduction port (8) to the bottom of a reaction vessel (3), to form, from the bottom, a fixed layer, a fluidized layer and a layer being dissolved in a subcritical water respectively, and taking out a layer being dissolved in a subcritical water from anyone of the discharge ports (101) to (106) provided at upper and side portions of the reaction vessel (3), wherein the selection of an appropriate port from the above discharge ports allows the adjustment of the residence time of the subcritical water, resulting in the adjustment of the reaction time of the decomposition with the subcritical water. The above method can be suitably employed for controlling the decomposition reaction of a material to be treated, to produce a desired useful product selectively in good yield, in a continuous decomposition treatment with a subcritical water of a material to be treated containing solids.

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Inventors:

YOSHIDA HIYOYUKI (JP)

Application Number:

PCT/JP2005/002181

Publication Date:

August 25, 2005

Filing Date:

February 14, 2005

Export Citation:

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Assignee:

OSAKA IND PROMOTION ORG (JP)
YOSHIDA HIYOYUKI (JP)

International Classes:

B01J3/00; B01J19/00; B09B3/00; C02F11/08; C08J11/14; (IPC1-7): B01J3/00; B01J19/00; B09B3/00; C02F11/08; C08J11/14

Foreign References:

JP2002226871A	2002-08-14
JP2001246239A	2001-09-11
JP2000093926A	2000-04-04
JPH11156186A	1999-06-15

Other References: