HK89095A - Process for cleaning gases and exhaust gases - Google Patents

Process for cleaning gases and exhaust gases

Info

Publication number
HK89095A
HK89095A HK89095A HK89095A HK89095A HK 89095 A HK89095 A HK 89095A HK 89095 A HK89095 A HK 89095A HK 89095 A HK89095 A HK 89095A HK 89095 A HK89095 A HK 89095A
Authority
HK
Hong Kong
Prior art keywords
gases
materials
slaking
waste
nox
Prior art date
Application number
HK89095A
Inventor
Suchenwirth Hermann Dipl-Chem
Original Assignee
Ftu Gmbh
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27195946&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK89095(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE19873716566 external-priority patent/DE3716566A1/en
Priority claimed from DE19883815982 external-priority patent/DE3815982A1/en
Application filed by Ftu Gmbh filed Critical Ftu Gmbh
Publication of HK89095A publication Critical patent/HK89095A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2/00—Lime, magnesia or dolomite
    • C04B2/02—Lime
    • C04B2/04—Slaking
    • C04B2/06—Slaking with addition of substances, e.g. hydrophobic agents ; Slaking in the presence of other compounds
    • 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
    • B01D53/48—Sulfur compounds
    • B01D53/50—Sulfur oxides
    • B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
    • B01D53/502—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
    • 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
    • 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
    • B01D53/64—Heavy metals or compounds thereof, e.g. mercury
    • 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
    • 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
    • B01D53/70—Organic halogen compounds
    • 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
    • B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/40—Alkaline earth metal or magnesium compounds
    • B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/60—Inorganic bases or salts
    • B01D2251/604—Hydroxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/102—Carbon

Abstract

(A) In the prodn. of reactive calcium hydroxide for (waste) gas purificn., the novelty is that reactivity increasing materials and/or noxious material-binding materials and/or catalytically acting materials are added prior to slaking, during slaking, to the water required for slaking and/or after slaking. (B) Use of the calcium hydro produced by process (A), for sepn. of acidic noxious materials and/or heavy metals and/or NOx and/or CO and/or organic materials from (waste) gases, is also claimed. (C) Purificn. of (waste) gases, to remove acidic gases (e.g. HCl, HF, SO2 and HCN), NOx, (chlorinated) hydrocarbons, organic cpds. and volatile heavy metals (e.g. Hg, As, Sb, Cd and Tl), comprises mixing the gases with the calcium hydroxide produced by process (A), at 20-1200 deg.C and then sepg. the solids in dust precipitators.
HK89095A 1987-05-18 1995-06-08 Process for cleaning gases and exhaust gases HK89095A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19873716566 DE3716566A1 (en) 1987-05-18 1987-05-18 Process for the production of reactive calcium hydroxides for exhaust gas purification
DE19883815982 DE3815982A1 (en) 1987-05-18 1988-05-10 Process for the production of reactive calcium hydroxides for purification of gas and exhaust gas
DE3816595 1988-05-16

Publications (1)

Publication Number Publication Date
HK89095A true HK89095A (en) 1995-06-16

Family

ID=27195946

Family Applications (1)

Application Number Title Priority Date Filing Date
HK89095A HK89095A (en) 1987-05-18 1995-06-08 Process for cleaning gases and exhaust gases

Country Status (6)

Country Link
EP (4) EP0655273A3 (en)
JP (1) JP2602085B2 (en)
AT (2) ATE110582T1 (en)
DE (4) DE3851344D1 (en)
HK (1) HK89095A (en)
WO (1) WO1988009203A2 (en)

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Also Published As

Publication number Publication date
EP0314733B1 (en) 1996-05-01
ATE110582T1 (en) 1994-09-15
EP0496432B1 (en) 1994-08-31
EP0655273A3 (en) 1995-07-26
EP0496432A1 (en) 1992-07-29
EP0655273A2 (en) 1995-05-31
EP0314733A1 (en) 1989-05-10
WO1988009203A2 (en) 1988-12-01
JPH01503232A (en) 1989-11-02
DE3851344D1 (en) 1994-10-06
EP0292083A2 (en) 1988-11-23
DE3855248D1 (en) 1996-06-05
WO1988009203A3 (en) 1989-02-23
JP2602085B2 (en) 1997-04-23
EP0292083A3 (en) 1989-01-25
ATE137417T1 (en) 1996-05-15
DE8817061U1 (en) 1993-01-14
DE8816866U1 (en) 1991-02-28

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