DE3735245A1 - Dry gas purification to remove acidic pollutants such as SO3, SO2, HF, HCl and NOx by means of alkali-impregnated lime/aluminium cement silicates as sorbents - Google Patents

Dry gas purification to remove acidic pollutants such as SO3, SO2, HF, HCl and NOx by means of alkali-impregnated lime/aluminium cement silicates as sorbents

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Publication number
DE3735245A1
DE3735245A1 DE19873735245 DE3735245A DE3735245A1 DE 3735245 A1 DE3735245 A1 DE 3735245A1 DE 19873735245 DE19873735245 DE 19873735245 DE 3735245 A DE3735245 A DE 3735245A DE 3735245 A1 DE3735245 A1 DE 3735245A1
Authority
DE
Germany
Prior art keywords
lime
impregnated
hcl
sorbents
nox
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
DE19873735245
Other languages
German (de)
Inventor
Heinz Dipl Ing Hoelter
Heinrich Dipl Ing Igelbuescher
Heinrich Ing Grad Gresch
Heribert Dipl Ing Dewert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19873713600 external-priority patent/DE3713600A1/en
Application filed by Individual filed Critical Individual
Priority to DE19873735245 priority Critical patent/DE3735245A1/en
Publication of DE3735245A1 publication Critical patent/DE3735245A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/50—Sulfur oxides
    • B01D53/508—Sulfur oxides by treating the gases with solids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/68—Halogens or halogen compounds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

The invention describes the preparation of an expanded, porous material, the preparation being characterized in that the material consists of a mixture of caustic lime (quick lime), very fine quartz sand, Portland cement and water, which is mixed with aluminium powder for the purpose of expanding, and in that a uniform, even pore structure is formed by air and steam drying.

Description

Es ist nach der Patentanmeldung P 37 13 600.3 bekannt, SO3, SO2, HCl, HF und NO x mittels Kalk (CaO/CaCO3/Ca(OH)2) zu absorbieren und aus dem Gasstrom über einen Filter abzuscheiden.According to patent application P 37 13 600.3, it is known to absorb SO 3 , SO 2 , HCl, HF and NO x by means of lime (CaO / CaCO 3 / Ca (OH) 2 ) and to separate them from the gas stream via a filter.

Weiterhin ist bekannt, Blähstoffe wie Blähtone oder Perlite mit Alkalien (z. B. NaOH/KOH) zu ummanteln und für die Sorption von sauren Schadstoffen aus Rauch- bzw. Abgasen einzusetzen.It is also known to expand materials such as expanded clay or To coat perlite with alkalis (e.g. NaOH / KOH) and for the sorption of acidic pollutants from smoke or Use exhaust gases.

Es wurde nun gefunden, daß an Stelle von Blähton oder Perlite ein geblähter poriger Stoff, hergestellt aus einer Mischung von Branntkalk, feinstem Quarzsand, Portlandzement, der durch den Zusatz von Wasser und Aluminiumpulver gebläht wurde, luft- oder dampfgetrocknet in entsprechender Körnung zum Einsatz kommt. Natürlich kann auch das Material des Gasbetons zum Einsatz kommen. Weiterhin können auch der Mischung noch andere Stoffe wie Roteisenstein, Magneteisenstein, Limonit (Eisenerz) sowie Magnesit zugesetzt werden.It has now been found that instead of expanded clay or Perlite is an expanded, porous material made from a mixture of quicklime, finest quartz sand,  Portland cement made by adding water and Aluminum powder has been swelled, air or steam dried in appropriate grain size is used. Naturally the material of the gas concrete can also be used. The mixture can also contain other substances such as red iron stone, magnetic iron stone, limonite (iron ore) and magnesite can be added.

Der so hergestellte, poröse Trägerstoff, mit Natron- oder Kalilauge getränkt, weist - entsprechend eingesetzt - hervorragende Sorptionseigenschaften für saure Schadstoffe, insbesondere für NO x aus dem Rauchgas, auf.The porous carrier thus produced, impregnated with sodium or potassium hydroxide solution, has - when used appropriately - excellent sorption properties for acidic pollutants, in particular for NO x from the flue gas.

Claims (2)

1. Herstellung eines geblähten, porigen Stoffes, dadurch gekennzeichnet, daß er aus einer Mischung von Branntkalk, feinstem Quarzsand, Portlandzement und Wasser besteht, der Aluminiumpulver zum Auf­ blähen zugesetzt wird und durch Luft- und Dampf­ trocknung eine einheitliche, gleichmäßige Poren­ struktur gebildet wird.1. Production of a bloated, porous substance, characterized in that it consists of a mixture of quicklime, finest quartz sand, Portland cement and water, the aluminum powder is added to inflate and a uniform, uniform pore structure is formed by air and steam drying . 2. Herstellung eines geblähten, porigen Stoffes nach Anspruch 1, dadurch gekennzeichnet, daß dem Gemisch noch Zusatzstoffe wie Roteisenstein, Magneteisenstein, Limonit, Magnesit bzw. Magnesium-Calciumcarbonat beigegeben werden können.2. Production of an expanded, porous substance according to claim 1, characterized in that the Mixture of additives such as red iron stone, Magnetic iron stone, limonite, magnesite or Magnesium calcium carbonate can be added can.
DE19873735245 1987-04-23 1987-10-17 Dry gas purification to remove acidic pollutants such as SO3, SO2, HF, HCl and NOx by means of alkali-impregnated lime/aluminium cement silicates as sorbents Withdrawn DE3735245A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19873735245 DE3735245A1 (en) 1987-04-23 1987-10-17 Dry gas purification to remove acidic pollutants such as SO3, SO2, HF, HCl and NOx by means of alkali-impregnated lime/aluminium cement silicates as sorbents

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873713600 DE3713600A1 (en) 1987-04-23 1987-04-23 Dry gas purification based on sodium with an alkaline support material
DE19873735245 DE3735245A1 (en) 1987-04-23 1987-10-17 Dry gas purification to remove acidic pollutants such as SO3, SO2, HF, HCl and NOx by means of alkali-impregnated lime/aluminium cement silicates as sorbents

Publications (1)

Publication Number Publication Date
DE3735245A1 true DE3735245A1 (en) 1989-05-03

Family

ID=25854872

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873735245 Withdrawn DE3735245A1 (en) 1987-04-23 1987-10-17 Dry gas purification to remove acidic pollutants such as SO3, SO2, HF, HCl and NOx by means of alkali-impregnated lime/aluminium cement silicates as sorbents

Country Status (1)

Country Link
DE (1) DE3735245A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4034417A1 (en) * 1990-10-29 1992-04-30 Walhalla Kalk Entwicklungs Und HIGHLY REACTIVE REAGENTS AND COMPOSITIONS FOR EXHAUST GAS AND WASTE WATER TREATMENT, THEIR PRODUCTION AND THEIR USE
DE4330593A1 (en) * 1993-09-09 1995-03-16 Krupp Polysius Ag Process for cleaning flue gases
DE4401166A1 (en) * 1994-01-17 1995-07-20 Krupp Polysius Ag Process for cleaning flue gases
EP0667180A1 (en) * 1994-02-11 1995-08-16 CS-GmbH Halbleiter- und Solartechnologie Process for the disposal of halogenated hydrocarbons

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD7179A (en) * 1900-01-01
DE454744C (en) * 1924-08-22 1928-01-17 Johan Axel Eriksson Process for the production of porous artificial stones
DE533231C (en) * 1930-02-13 1931-09-10 Gustave Hory Process for the production of cellular concrete o.
DE757545C (en) * 1939-03-26 1952-01-31 Berliner Kalksandsteinwerke Ro Process for the production of aerated concrete
DE764819C (en) * 1939-03-08 1952-12-22 Berliner Kalksandsteinwerke Ro Process for the production of frost-resistant lightweight stone bodies of high strength
DE1671286A1 (en) * 1966-05-05 1971-08-26 Intong Ab Process for the production of aerated concrete and / or foam-porosity
DE1771635A1 (en) * 1968-06-19 1972-02-03 Kloeckner Humboldt Deutz Ag Method and device for producing a gas concrete mass
DE2119924B2 (en) * 1970-04-28 1973-05-17 Henriksen og Hennksen Industn A/S, Kopenhagen METHOD OF MANUFACTURING LIGHTWEIGHT CONCRETE
DE2203958B2 (en) * 1972-01-28 1976-01-29 Grischin, Boris Wasiljewitsch, Kujbyschew (Sowjetunion) GAS CREAM FOR THE PRODUCTION OF CELL CONCRETE
DE2748209A1 (en) * 1976-10-29 1978-05-11 Matsushita Electric Ind Co Ltd PROCEDURE FOR THE REMOVAL OF NITROGEN OXIDES
DE2744365A1 (en) * 1977-10-01 1979-04-05 Ytong Ag Gas concrete, made from line, cement and sand - where dolomite is added to lower reaction temp.
EP0014343B1 (en) * 1979-01-19 1982-06-02 Mars Incorporated Calcium silicate in granular or powder form and its use
DE3504932A1 (en) * 1984-03-01 1985-09-05 Kemira Oy, Helsinki MANUFACTURING METHOD FOR MECHANICAL STRENGTH, HUMIDIFICATION-COMPREHENSIVE, POROUS SILICONE CORES
US4540553A (en) * 1983-09-26 1985-09-10 Onoda Cement Co., Inc. Desulfurizing agent
DE3607929A1 (en) * 1985-03-13 1986-09-18 The Hokkaido Electric Power Co., Inc., Sapporo, Hokkaido METHOD FOR THE PRODUCTION OF DESULFURING AND DENITRATING AGENTS

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD7179A (en) * 1900-01-01
DE454744C (en) * 1924-08-22 1928-01-17 Johan Axel Eriksson Process for the production of porous artificial stones
DE533231C (en) * 1930-02-13 1931-09-10 Gustave Hory Process for the production of cellular concrete o.
DE764819C (en) * 1939-03-08 1952-12-22 Berliner Kalksandsteinwerke Ro Process for the production of frost-resistant lightweight stone bodies of high strength
DE757545C (en) * 1939-03-26 1952-01-31 Berliner Kalksandsteinwerke Ro Process for the production of aerated concrete
DE1671286A1 (en) * 1966-05-05 1971-08-26 Intong Ab Process for the production of aerated concrete and / or foam-porosity
DE1771635A1 (en) * 1968-06-19 1972-02-03 Kloeckner Humboldt Deutz Ag Method and device for producing a gas concrete mass
DE2119924B2 (en) * 1970-04-28 1973-05-17 Henriksen og Hennksen Industn A/S, Kopenhagen METHOD OF MANUFACTURING LIGHTWEIGHT CONCRETE
DE2203958B2 (en) * 1972-01-28 1976-01-29 Grischin, Boris Wasiljewitsch, Kujbyschew (Sowjetunion) GAS CREAM FOR THE PRODUCTION OF CELL CONCRETE
DE2748209A1 (en) * 1976-10-29 1978-05-11 Matsushita Electric Ind Co Ltd PROCEDURE FOR THE REMOVAL OF NITROGEN OXIDES
DE2744365A1 (en) * 1977-10-01 1979-04-05 Ytong Ag Gas concrete, made from line, cement and sand - where dolomite is added to lower reaction temp.
DE2744365B2 (en) * 1977-10-01 1979-05-31 Ytong Ag, 8000 Muenchen
EP0014343B1 (en) * 1979-01-19 1982-06-02 Mars Incorporated Calcium silicate in granular or powder form and its use
US4540553A (en) * 1983-09-26 1985-09-10 Onoda Cement Co., Inc. Desulfurizing agent
DE3504932A1 (en) * 1984-03-01 1985-09-05 Kemira Oy, Helsinki MANUFACTURING METHOD FOR MECHANICAL STRENGTH, HUMIDIFICATION-COMPREHENSIVE, POROUS SILICONE CORES
DE3607929A1 (en) * 1985-03-13 1986-09-18 The Hokkaido Electric Power Co., Inc., Sapporo, Hokkaido METHOD FOR THE PRODUCTION OF DESULFURING AND DENITRATING AGENTS

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DE-Z: beton 6-64, S.250-255 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4034417A1 (en) * 1990-10-29 1992-04-30 Walhalla Kalk Entwicklungs Und HIGHLY REACTIVE REAGENTS AND COMPOSITIONS FOR EXHAUST GAS AND WASTE WATER TREATMENT, THEIR PRODUCTION AND THEIR USE
EP0487913A1 (en) * 1990-10-29 1992-06-03 Walhalla-Kalk Entwicklungs- und Vertriebsgesellschaft mbH Highly reactive reagents and compositions for the purification of waste gas and waste water, their preparation and their use
DE4034417C2 (en) * 1990-10-29 2002-02-07 Walhalla Kalk Entwicklungs Und Highly reactive reagents and compositions for exhaust gas and wastewater treatment, their manufacture and their use
DE4330593A1 (en) * 1993-09-09 1995-03-16 Krupp Polysius Ag Process for cleaning flue gases
DE4401166A1 (en) * 1994-01-17 1995-07-20 Krupp Polysius Ag Process for cleaning flue gases
EP0667180A1 (en) * 1994-02-11 1995-08-16 CS-GmbH Halbleiter- und Solartechnologie Process for the disposal of halogenated hydrocarbons

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