Capsule for non-ferrous metal collection and method of collecting non-ferrous metal

a non-ferrous metal and capsule technology, applied in the field of capsules for non-ferrous metal collection and non-ferrous metal collection, can solve the problems of large amount of waste solvent generated, large amount of energy accompanied by consumption, and cost of constructing recovery systems, etc., to achieve effective concentrated and collected, easy to collect, and simple operation

Inactive Publication Date: 2013-10-31
MORISHITA JINTAN CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0024]The capsule for collecting a non-ferrous metal of the present invention has an advantage that a non-ferrous metal can be easily collected by a simple operation of immersion in a solution containing a non-ferrous metal for a given time. In the collection of a non-ferrous metal, a non-ferrous metal can be effectively concentrated and collected, even in the case where an amount of a non-ferrous metal contained is very small.
[0025]In collection of a non-ferrous metal using the capsule for collecting a non-ferrous metal of the present invention, a non-ferrous metal can be collected without accompanying consumption of a large amount of energy like a method using chemical reaction. There is also an advantage that a large amount of waste solvent is not accompanied like a solvent extraction method, and the load on the environment is small. Further, in the present invention, since a non-ferrous metal can be collected by a simple operation of immersing the capsule for collecting a non-ferrous metal in a solution for a given period, and, thereafter, taking out the capsule by a means such as filtration, there is an advantage that the collection can be simply implemented without accompanying the large cost of facility investment.

Problems solved by technology

Accordingly, a recovery method using a chemical reaction has a problem that consumption of a large amount of energy is accompanied.
Further, there is also a problem that the cost of constructing a recovery system is necessary.
For this reason, there is a problem that a large amount of waste solvent is generated and an environmental load is great.

Method used

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  • Capsule for non-ferrous metal collection and method of collecting non-ferrous metal
  • Capsule for non-ferrous metal collection and method of collecting non-ferrous metal
  • Capsule for non-ferrous metal collection and method of collecting non-ferrous metal

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Experimental program
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second embodiment

Method of Manufacturing Capsule for Collecting Non-Ferrous Metal Having Three-Layered Structure (Second Embodiment)

[0121]A left drawing of FIG. 2 is a schematic view showing a capsule for collecting a non-ferrous metal having a three-layered structure immediately after manufacturing. The capsule for collecting a non-ferrous metal of the present invention having a three-layered structure (second embodiment) shown in this FIG. 2 can be manufactured, for example, by an in-liquid dropwise addition method, using a conventionally known capsule manufacturing apparatus, in which the concentric double nozzle is changed to a concentric triple nozzle, shown in FIG. 3. Specifically, the capsule for collecting a non-ferrous metal having a three-layered structure can be manufactured by using a capsule manufacturing apparatus provided with a concentric triple nozzle having a first nozzle (innermost portion), a second nozzle (intermediate portion) and a third nozzle (outermost portion) to extrude a...

example 1

[0144]Example 1 is a capsule for collecting a non-ferrous metal having a two-layered structure immediately after manufacturing, in which a capsule content is an oily portion containing Shewanella bacteria, and a shell covering the capsule content is obtained by curing a shell formation composition containing a hydrophilic photocurable component.

[0145]The shell formation composition was prepared by mixing 60 parts by mass of a 40% aqueous solution of ENTG-3800 (manufactured by Kansai Paint Co., Ltd.), 0.6 parts by mass of acetoin, and 20 parts by mass of a 0.5% aqueous poval solution.

[0146]The capsule content was prepared by dispersing and suspending Shewanella oneidensis being reducing bacteria cultured at a high concentration in coconut oil being an oily substance, to prepare a suspension composition in which a concentration was adjusted to 1.2×108 cells / capsule per one capsule.

[0147]Then, the capsules were obtained using an apparatus having a concentric double nozzle (a seamless c...

example 2

[0148]Example 2 is a capsule for collecting a non-ferrous metal having a three-layered structure immediately after manufacturing, in which a capsule content is a hydrophilic portion containing Shewanella bacteria, a shell covering the capsule content is obtained by curing a shell formation composition containing a hydrophilic photocurable component, and an intermediate layer is made of an oily substance.

[0149]The shell formation composition was prepared by mixing 60 parts by mass of a 40% aqueous solution of ENTG-3800 (manufactured by Kansai Paint Co., Ltd.), 0.6 parts by mass of acetoin, and 20 parts by mass of a 0.5% aqueous poval solution.

[0150]The capsule content was prepared from a hydrophilic internal layer composition in which a concentration of Shewanella oneidensis being a reducing bacterium cultured at a high concentration was adjusted so that the bacterium was contained in a hydrophilic solution culture medium at 1.2×108 cells / capsule per one capsule.

[0151]The intermediat...

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Abstract

Provided are: a capsule for non-ferrous metal collection that can collect a non-ferrous metal; and a method for collecting a non-ferrous metal using same. The capsule for non-ferrous metal collection comprises capsule contents and a covering section covering the capsule contents, and collects a non-ferrous metal within the capsule for non-ferrous metal collection by means of the capsule for non-ferrous metal collection being immersed in a solution containing a non-ferrous metal.

Description

TECHNICAL FIELD[0001]The present invention relates to a capsule which can collect a non-ferrous metal, and a method of collecting a non-ferrous metal using the same.BACKGROUND ART[0002]Non-ferrous metals other than steel material (iron and alloy containing mainly iron) are becoming highly useful in industry, and an amount of a non-ferrous metal to be used is increasing. In order to avoid resource depletion of the non-ferrous metals, recycle technique which effectively utilizes non-ferrous metals contained in wastes such as home electric appliances is becoming highly important. For example, rare metal or rare noble metal is recovered from parts of wasted mobile phones, personal computers, automobiles and the like, which is sometimes called urban mines and intensely studied.[0003]For recovering rare metal or rare noble metal, a recovery method using a chemical reaction, a recovery method using solvent extraction, and the like have been conventionally proposed. For example, JP-A 2010-1...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): C22B3/18B29C48/21
CPCC22B3/18A61K2035/128B01J13/14B01J13/206C22B7/006C22B3/24B29C48/21B29K2101/12C12N1/20Y02P10/20B01D61/24B01D71/28C12N11/04C22B7/00C22B11/00C22B58/00C22B59/00B29C35/0805B29C2035/0827
Inventor KONISHI, YASUHIROTAMAOKI, KOSHIROKAMAGUCHI, RYOSEITAGAWA, DAISUKEHASHIMOTO, TAKUNAKATSUJI, MASAAKI
Owner MORISHITA JINTAN CO LTD
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