A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
ALKALI METAL REMOVAL METHOD AND ALKALI METAL REMOVAL DEVICE
To provide an alkali metal removal method for effectively removing alkali metals from flying ashes of woody biomass ashes to effectively utilize the alkali metals as a cement raw material.SOLUTION: A method for removing alkali metals from flying ashes of woody biomass combustion ashes includes: a step (a) of classifying flying ashes into fine powder and coarse powder; a step (b) of acquiring a pulverized object by pulverizing a surface part of the coarse powder that is acquired from the step (a); a step (c) of classifying the pulverized object that is acquired from the step (b) into pulverized fine powder and pulverized coarse powder; a step (d) of acquiring a heat treatment object by heating the pulverized fine powder that is acquired from the step (c) together with a chlorine source; and a step (e) of washing with water the fine powder that is acquired from the step (a) and the heat treatment object that is acquired from the step (d).SELECTED DRAWING: Figure 1
【課題】木質バイオマス灰の飛灰からアルカリ金属を効率的に除去してセメント原料として有効利用するための、アルカリ金属除去方法を提供する。【解決手段】本発明は、木質バイオマスの燃焼灰の飛灰からアルカリ金属を除去する方法であって、飛灰を微粉と粗粉に分級する工程（ａ）と、工程（ａ）で得られた粗粉の表面部を粉砕して粉砕物を得る工程（ｂ）と、工程（ｂ）で得られた粉砕物を粉砕微粉と粉砕粗粉に分級する工程（ｃ）と、工程（ｃ）で得られた粉砕微粉を塩素源と共に加熱して加熱処理物を得る工程（ｄ）と、工程（ａ）で得られた微粉と工程（ｄ）で得られた加熱処理物とを水洗する工程（ｅ）とを含む。【選択図】 図１
ALKALI METAL REMOVAL METHOD AND ALKALI METAL REMOVAL DEVICE
To provide an alkali metal removal method for effectively removing alkali metals from flying ashes of woody biomass ashes to effectively utilize the alkali metals as a cement raw material.SOLUTION: A method for removing alkali metals from flying ashes of woody biomass combustion ashes includes: a step (a) of classifying flying ashes into fine powder and coarse powder; a step (b) of acquiring a pulverized object by pulverizing a surface part of the coarse powder that is acquired from the step (a); a step (c) of classifying the pulverized object that is acquired from the step (b) into pulverized fine powder and pulverized coarse powder; a step (d) of acquiring a heat treatment object by heating the pulverized fine powder that is acquired from the step (c) together with a chlorine source; and a step (e) of washing with water the fine powder that is acquired from the step (a) and the heat treatment object that is acquired from the step (d).SELECTED DRAWING: Figure 1
【課題】木質バイオマス灰の飛灰からアルカリ金属を効率的に除去してセメント原料として有効利用するための、アルカリ金属除去方法を提供する。【解決手段】本発明は、木質バイオマスの燃焼灰の飛灰からアルカリ金属を除去する方法であって、飛灰を微粉と粗粉に分級する工程（ａ）と、工程（ａ）で得られた粗粉の表面部を粉砕して粉砕物を得る工程（ｂ）と、工程（ｂ）で得られた粉砕物を粉砕微粉と粉砕粗粉に分級する工程（ｃ）と、工程（ｃ）で得られた粉砕微粉を塩素源と共に加熱して加熱処理物を得る工程（ｄ）と、工程（ａ）で得られた微粉と工程（ｄ）で得られた加熱処理物とを水洗する工程（ｅ）とを含む。【選択図】 図１
ALKALI METAL REMOVAL METHOD AND ALKALI METAL REMOVAL DEVICE
アルカリ金属除去方法及びアルカリ金属除去装置
TATSUMI YOSHINORI (author) / TERASAKI JUNICHI (author)
2021-09-27
Patent
Electronic Resource
Japanese
IPC:
B09B
DISPOSAL OF SOLID WASTE
,
Beseitigung von festem Abfall
/
B02C
CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL
,
Brechen, Pulverisieren oder Zerkleinern allgemein
/
B07B
Trennen fester Stoffe von festen Stoffen durch Sieben, Klassieren oder Sichten oder durch Verwendung von Gasströmungen
,
SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, OR SIFTING OR BY USING GAS CURRENTS
/
C04B
Kalk
,
LIME
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