BR112016021322B8 - Método para a produção de materiais microporosos com troca de metais por troca de íons no estado sólido e método para a remoção de óxidos de nitrogênio do gás de exaustão pela redução catalítica seletiva com um redutor - Google Patents

Método para a produção de materiais microporosos com troca de metais por troca de íons no estado sólido e método para a remoção de óxidos de nitrogênio do gás de exaustão pela redução catalítica seletiva com um redutor

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BR112016021322B8
BR112016021322B8 BR112016021322A BR112016021322A BR112016021322B8 BR 112016021322 B8 BR112016021322 B8 BR 112016021322B8 BR 112016021322 A BR112016021322 A BR 112016021322A BR 112016021322 A BR112016021322 A BR 112016021322A BR 112016021322 B8 BR112016021322 B8 BR 112016021322B8
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Brazil
Prior art keywords
exchange
metal
microporous materials
solid state
ion exchange
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BR112016021322A
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English (en)
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BR112016021322B1 (pt
BR112016021322A2 (pt
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N R Vennestrøm Peter
V W Janssens Ton
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Haldor Topsoe As
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Publication of BR112016021322A2 publication Critical patent/BR112016021322A2/pt
Publication of BR112016021322B1 publication Critical patent/BR112016021322B1/pt
Publication of BR112016021322B8 publication Critical patent/BR112016021322B8/pt

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    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
    • B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/30—Ion-exchange
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    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
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    • B01D53/9409—Nitrogen oxides
    • B01D53/9413—Processes characterised by a specific catalyst
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    • B01J29/42—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing iron group metals, noble metals or copper
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    • B01J29/42—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing iron group metals, noble metals or copper
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    • B01J29/66—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38, as exemplified by patent documents US4046859, US4016245 and US4046859, respectively containing iron group metals, noble metals or copper
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Abstract

método para a produção de materiais microporosos com troca de metais por troca de íons no estado sólido. a presente invenção refere-se a um método para a preparação de materiais microporosos com troca de metais, por exemplo, silicoaluminofosfatos com troca de metais ou zeólitas com troca de metais ou misturas de materiais microporosos com troca de metais, compreendendo as etapas de prover uma mistura seca de a) um ou mais materiais microporosos que exibem capacidade de troca de íons e b) um ou mais compostos de metal; aquecimento da mistura em uma atmosfera gasosa contendo amônia e um ou mais óxidos de nitrogênio até uma temperatura e por um tempo suficiente para iniciar e realizar uma troca de íons no estado sólido de íons do composto de metal e íons do material microporoso; e obtenção do material microporoso com troca de metais.
BR112016021322A 2014-04-07 2014-10-15 Método para a produção de materiais microporosos com troca de metais por troca de íons no estado sólido e método para a remoção de óxidos de nitrogênio do gás de exaustão pela redução catalítica seletiva com um redutor BR112016021322B8 (pt)

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