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1. WO1985002453 - PROCESS FOR SEPARATING ACID POLLUTING GAS AND COMBUSTION PLANT

Publication Number WO/1985/002453
Publication Date 06.06.1985
International Application No. PCT/AT1984/000042
International Filing Date 23.11.1984
IPC
B01D 53/50 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
53Separation 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 or aerosols
34Chemical or biological purification of waste gases
46Removing components of defined structure
48Sulfur compounds
50Sulfur oxides
B01D 53/68 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
53Separation 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 or aerosols
34Chemical or biological purification of waste gases
46Removing components of defined structure
68Halogens or halogen compounds
F23J 7/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
7Arrangement of devices for supplying chemicals to fire
CPC
B01D 53/508
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
53Separation 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,
34Chemical or biological purification of waste gases
46Removing components of defined structure
48Sulfur compounds
50Sulfur oxides
508by treating the gases with solids
B01D 53/68
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
53Separation 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,
34Chemical or biological purification of waste gases
46Removing components of defined structure
68Halogens or halogen compounds
F23J 2215/30
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
2215Preventing emissions
30Halogen; Compounds thereof
F23J 2215/60
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
2215Preventing emissions
60Heavy metals; Compounds thereof
F23J 2217/101
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
2217Intercepting solids
10by filters
101Baghouse type
F23J 2217/40
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23COMBUSTION APPARATUS; COMBUSTION PROCESSES
JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
2217Intercepting solids
40by cyclones
Applicants
  • WAAGNER-BIRÓ AKTIENGESELLSCHAFT [AT]/[AT] (AllExceptUS)
  • LINDBAUER, Ralf [AT]/[AT] (UsOnly)
  • GLASNER, Alfred [AT]/[AT] (UsOnly)
Inventors
  • LINDBAUER, Ralf
  • GLASNER, Alfred
Common Representative
  • WAAGNER-BIRÓ AKTIENGESELLSCHAFT
Priority Data
A 4136/8325.11.1983AT
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(EN) PROCESS FOR SEPARATING ACID POLLUTING GAS AND COMBUSTION PLANT
(FR) PROCEDE DE SEPARATION DE GAZ POLLUANTS ACIDES ET INSTALLATION DE COMBUSTION
Abstract
(EN)
In order to separate noxious substances from flue gas after combustion plants, there is proposed a twin stage sorption process with different sorbents, for example limestone dust or calcium hydroxide dust, in different temperature ranges, for example 1,000oC and 400oC, a substantial cooling of the fumes between the two sorbent supply points and a separation of the first sorption agent already used being considered as important steps, so that a cost reduction of the sorption agents and of the absolute amounts of sorbents, as well as a separation degree comparable to that of a wet process method are obtained. A substantial advantage is also obtained by the appropriate separation of heavy metals in the area of the sorption agent with a minimum volume, thereby contributing to lower the costs of waste deposition.
(FR)
Afin de séparer les produits nocifs des fumées après des installations de combustion, on propose un procédé de sorption à deux étapes avec différents sorbants, par exemple du calcaire pulvérisé ou de l'hydrate de calcaire pulvérisé, dans différentes zones de température, par exemple 1000oC et 400oC, un refroidissement considérable des fumées entre les deux points d'alimentation en sorbants et une séparation du premier agent de sorption déjà utilisé étant considérées comme des pas importants, si bien qu'il y a diminution des coûts en agents de sorption et des quantités absolues de sorbants, ainsi qu'obtention d'un degré de séparation comparable à celui d'un procédé par voie humide. Un avantage essentiel est également donné par la séparation adéquate des métaux lourds dans la zone de l'agent de sorption avec volume minimum, ce qui contribue à abaisser les coûts de dépôt de déchets.
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