CH627663A5 - Process for the purification of residual gases containing water-soluble metal chlorides - Google Patents

Process for the purification of residual gases containing water-soluble metal chlorides Download PDF

Info

Publication number: CH627663A5
Authority: CH; Switzerland
Prior art keywords: gases; bed; hcl; hydrolysis; metal chlorides
Prior art date: 1977-02-03

Application number

CH123378A

Other languages

English (en)

French (fr)

Inventor

Lee Graydon Carpenter

Vito Cedro Iii

Donald Lee Kinosz

Thomas George Lamberti

Original Assignee

Aluminum Co Of America

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.)

1977-02-03

Filing date

1978-02-03

Publication date

1982-01-29

1977-12-12 Priority claimed from US05/859,927 external-priority patent/US4157374A/en

1978-02-03 Application filed by Aluminum Co Of America filed Critical Aluminum Co Of America

1982-01-29 Publication of CH627663A5 publication Critical patent/CH627663A5/fr

Links

239000007789 gas Substances 0.000 title claims description 89
229910001510 metal chloride Inorganic materials 0.000 title claims description 26
238000000034 method Methods 0.000 title claims description 17
238000000746 purification Methods 0.000 title description 4
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 51
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 41
229910001868 water Inorganic materials 0.000 claims description 34
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 28
238000006460 hydrolysis reaction Methods 0.000 claims description 26
230000007062 hydrolysis Effects 0.000 claims description 25
239000002245 particle Substances 0.000 claims description 22
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
229910044991 metal oxide Inorganic materials 0.000 claims description 14
150000004706 metal oxides Chemical class 0.000 claims description 13
YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 claims description 11
239000007787 solid Substances 0.000 claims description 11
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
229910052799 carbon Inorganic materials 0.000 claims description 8
229910052742 iron Inorganic materials 0.000 claims description 7
239000000203 mixture Substances 0.000 claims description 7
150000001875 compounds Chemical class 0.000 claims description 5
239000007788 liquid Substances 0.000 claims description 5
229910015983 MxCly Inorganic materials 0.000 claims description 4
229910052751 metal Inorganic materials 0.000 claims description 2
239000002184 metal Substances 0.000 claims description 2
229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims 2
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims 2
150000001722 carbon compounds Chemical class 0.000 claims 1
239000003245 coal Substances 0.000 claims 1
150000002739 metals Chemical class 0.000 claims 1
235000017550 sodium carbonate Nutrition 0.000 claims 1
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 48
FDNAPBUWERUEDA-UHFFFAOYSA-N silicon tetrachloride Chemical class Cl[Si](Cl)(Cl)Cl FDNAPBUWERUEDA-UHFFFAOYSA-N 0.000 description 44
238000001179 sorption measurement Methods 0.000 description 23
230000009466 transformation Effects 0.000 description 20
238000010521 absorption reaction Methods 0.000 description 16
229910003910 SiCl4 Inorganic materials 0.000 description 15
238000006243 chemical reaction Methods 0.000 description 14
239000000377 silicon dioxide Substances 0.000 description 14
239000004576 sand Substances 0.000 description 11
VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 8
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
150000001805 chlorine compounds Chemical class 0.000 description 6
235000012239 silicon dioxide Nutrition 0.000 description 6
KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 5
229910003902 SiCl 4 Inorganic materials 0.000 description 5
230000015572 biosynthetic process Effects 0.000 description 5
229910002092 carbon dioxide Inorganic materials 0.000 description 5
239000000463 material Substances 0.000 description 5
VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 4
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
238000002474 experimental method Methods 0.000 description 4
239000001301 oxygen Substances 0.000 description 4
229910052760 oxygen Inorganic materials 0.000 description 4
239000005049 silicon tetrachloride Substances 0.000 description 4
239000000243 solution Substances 0.000 description 4
239000002253 acid Substances 0.000 description 3
238000002386 leaching Methods 0.000 description 3
238000004519 manufacturing process Methods 0.000 description 3
229910052757 nitrogen Inorganic materials 0.000 description 3
239000002244 precipitate Substances 0.000 description 3
230000008929 regeneration Effects 0.000 description 3
238000011069 regeneration method Methods 0.000 description 3
XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 3
239000012808 vapor phase Substances 0.000 description 3
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
229910004028 SiCU Inorganic materials 0.000 description 2
GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
238000004364 calculation method Methods 0.000 description 2
229910002091 carbon monoxide Inorganic materials 0.000 description 2
238000001035 drying Methods 0.000 description 2
239000000428 dust Substances 0.000 description 2
230000000694 effects Effects 0.000 description 2
239000012530 fluid Substances 0.000 description 2
239000011343 solid material Substances 0.000 description 2
229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
239000004743 Polypropylene Substances 0.000 description 1
239000004809 Teflon Substances 0.000 description 1
229920006362 Teflon® Polymers 0.000 description 1
238000005054 agglomeration Methods 0.000 description 1
230000002776 aggregation Effects 0.000 description 1
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
239000001569 carbon dioxide Substances 0.000 description 1
229910002090 carbon oxide Inorganic materials 0.000 description 1
239000000919 ceramic Substances 0.000 description 1
238000005660 chlorination reaction Methods 0.000 description 1
239000000460 chlorine Substances 0.000 description 1
229910052801 chlorine Inorganic materials 0.000 description 1
238000002485 combustion reaction Methods 0.000 description 1
239000008367 deionised water Substances 0.000 description 1
229910021641 deionized water Inorganic materials 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
230000001627 detrimental effect Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
238000005243 fluidization Methods 0.000 description 1
239000012213 gelatinous substance Substances 0.000 description 1
IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
230000003301 hydrolyzing effect Effects 0.000 description 1
238000002347 injection Methods 0.000 description 1
239000007924 injection Substances 0.000 description 1
FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
229910001507 metal halide Inorganic materials 0.000 description 1
150000005309 metal halides Chemical class 0.000 description 1
238000005554 pickling Methods 0.000 description 1
-1 polypropylene Polymers 0.000 description 1
229920001155 polypropylene Polymers 0.000 description 1
239000000047 product Substances 0.000 description 1
239000001294 propane Substances 0.000 description 1
239000011044 quartzite Substances 0.000 description 1
239000000741 silica gel Substances 0.000 description 1
229910002027 silica gel Inorganic materials 0.000 description 1
RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
229910052710 silicon Inorganic materials 0.000 description 1
239000010703 silicon Substances 0.000 description 1
239000000779 smoke Substances 0.000 description 1
230000003068 static effect Effects 0.000 description 1
XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
229910052815 sulfur oxide Inorganic materials 0.000 description 1
239000004408 titanium dioxide Substances 0.000 description 1
238000004448 titration Methods 0.000 description 1
238000005303 weighing Methods 0.000 description 1
210000002268 wool Anatomy 0.000 description 1

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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8659—Removing halogens or halogen compounds
- B01D53/8662—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
- B01D53/68—Halogens or halogen compounds
- B01D53/70—Organic halogen compounds
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/14—Methods for preparing oxides or hydroxides in general
- C01B13/20—Methods for preparing oxides or hydroxides in general by oxidation of elements in the gaseous state; by oxidation or hydrolysis of compounds in the gaseous state
- C01B13/22—Methods for preparing oxides or hydroxides in general by oxidation of elements in the gaseous state; by oxidation or hydrolysis of compounds in the gaseous state of halides or oxyhalides
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
- C01B33/181—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process
- C01B33/183—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process by oxidation or hydrolysis in the vapour phase of silicon compounds such as halides, trichlorosilane, monosilane
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/01—Chlorine; Hydrogen chloride
- C01B7/03—Preparation from chlorides
- C01B7/035—Preparation of hydrogen chloride from chlorides
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Environmental & Geological Engineering (AREA)
Inorganic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Oil, Petroleum & Natural Gas (AREA)
Analytical Chemistry (AREA)
Biomedical Technology (AREA)
Health & Medical Sciences (AREA)
Treating Waste Gases (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Exhaust Gas Treatment By Means Of Catalyst (AREA)
Catalysts (AREA)
Silicon Compounds (AREA)

CH123378A 1977-02-03 1978-02-03 Process for the purification of residual gases containing water-soluble metal chlorides CH627663A5 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US76534677A	1977-02-03	1977-02-03
US05/859,927 US4157374A (en)	1977-02-03	1977-12-12	Disposal of waste gases from production of aluminum chloride

Publications (1)

Publication Number	Publication Date
CH627663A5 true CH627663A5 (en)	1982-01-29

Family

ID=27117598

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH123378A CH627663A5 (en)	1977-02-03	1978-02-03	Process for the purification of residual gases containing water-soluble metal chlorides

Country Status (19)

Country	Link
JP (1)	JPS53124162A (de)
AU (1)	AU512584B2 (de)
BR (1)	BR7800715A (de)
CA (1)	CA1103901A (de)
CH (1)	CH627663A5 (de)
DD (1)	DD134731A5 (de)
DE (1)	DE2804742A1 (de)
FR (1)	FR2379312A1 (de)
GB (1)	GB1588211A (de)
GR (1)	GR70057B (de)
IN (1)	IN147852B (de)
IT (1)	IT1104157B (de)
NL (1)	NL7801208A (de)
NO (1)	NO146228C (de)
NZ (1)	NZ186211A (de)
PL (1)	PL110508B1 (de)
RO (1)	RO76384A (de)
SE (1)	SE424507B (de)
YU (1)	YU21978A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2919661A1 (de) *	1979-05-16	1980-11-27	Basf Ag	Verfahren zur vernichtung von phosgen
DE3438770A1 (de) *	1984-10-23	1986-04-24	Bergwerksverband Gmbh, 4300 Essen	Verwendung von ein schmelzfaehiges metall enthaltenden formlingen zur entschwefelung heisser gase und verfahren zu deren herstellung
RU2217371C1 (ru) *	2002-04-24	2003-11-27	Открытое акционерное общество "Химпром"	Способ получения хлористого водорода
RU2241670C1 (ru) *	2003-07-21	2004-12-10	Открытое Акционерное Общество "Российский научно-исследовательский и проектный институт титана и магния" (ОАО "РИТМ")	Способ переработки серпентинита
CN116036800B (zh) *	2023-01-09	2024-08-27	中国成达工程有限公司	一种氯化尾气处理和利用方法、及处理和利用系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1346120A (fr) *	1962-03-15	1963-12-13	Duisburger Kupferhuette	Procédé de récupération de chlore à partir de gaz résiduaires contenant du chlorure d'arsenic
DE1268850C2 (de) *	1965-07-16	1974-10-03		Vorrichtung zur reinigung der abgase, die beim entfernen des wasserstoffes aus aluminiumschmelzen durch einleiten von chlor entstehen
GB1167461A (en) *	1967-01-13	1969-10-15	Allied Chem	Process for the Production of Hydrogen Chloride and Calcium Silicate and/or Aluminate
GB1309744A (en) *	1969-03-31	1973-03-14	Woodall Duckham Ltd	Decomposition of metal chlorides

1978
- 1978-01-09 SE SE7800178A patent/SE424507B/sv unknown
- 1978-01-10 GB GB899/78A patent/GB1588211A/en not_active Expired
- 1978-01-12 NZ NZ186211A patent/NZ186211A/xx unknown
- 1978-01-13 IN IN33/DEL/78A patent/IN147852B/en unknown
- 1978-01-19 GR GR55204A patent/GR70057B/el unknown
- 1978-01-20 AU AU32604/78A patent/AU512584B2/en not_active Expired
- 1978-01-25 NO NO780275A patent/NO146228C/no unknown
- 1978-01-31 YU YU00219/78A patent/YU21978A/xx unknown
- 1978-02-02 IT IT7847877A patent/IT1104157B/it active
- 1978-02-02 JP JP1104178A patent/JPS53124162A/ja active Granted
- 1978-02-02 CA CA296,047A patent/CA1103901A/en not_active Expired
- 1978-02-02 NL NL7801208A patent/NL7801208A/xx not_active Application Discontinuation
- 1978-02-02 DE DE19782804742 patent/DE2804742A1/de not_active Ceased
- 1978-02-03 PL PL1978204431A patent/PL110508B1/pl unknown
- 1978-02-03 CH CH123378A patent/CH627663A5/fr not_active IP Right Cessation
- 1978-02-03 RO RO7893092A patent/RO76384A/ro unknown
- 1978-02-03 DD DD78203542A patent/DD134731A5/de unknown
- 1978-02-03 BR BR7800715A patent/BR7800715A/pt unknown
- 1978-02-03 FR FR7803133A patent/FR2379312A1/fr active Granted

Also Published As

Publication number	Publication date
NO146228B (no)	1982-05-18
NL7801208A (nl)	1978-08-07
BR7800715A (pt)	1978-11-28
PL204431A1 (pl)	1978-10-23
IT1104157B (it)	1985-10-21
PL110508B1 (en)	1980-07-31
DE2804742A1 (de)	1978-08-17
JPS5741289B2 (de)	1982-09-02
IT7847877A0 (it)	1978-02-02
FR2379312B1 (de)	1983-01-28
NZ186211A (en)	1980-05-08
IN147852B (de)	1980-07-19
YU21978A (en)	1982-06-30
GB1588211A (en)	1981-04-15
NO780275L (no)	1978-08-04
DD134731A5 (de)	1979-03-21
AU512584B2 (en)	1980-10-16
AU3260478A (en)	1979-07-26
FR2379312A1 (fr)	1978-09-01
SE424507B (sv)	1982-07-26
NO146228C (no)	1982-08-25
RO76384A (ro)	1981-11-04
SE7800178L (sv)	1978-08-04
GR70057B (de)	1982-07-26
JPS53124162A (en)	1978-10-30
CA1103901A (en)	1981-06-30

Legal Events

Date	Code	Title	Description
1986-10-31	PL	Patent ceased
2024-10-31	PL	Patent ceased

Publication	Publication Date	Title
US4209496A (en)	1980-06-24	Treatment of offgas from aluminum chloride production
FR2520091A1 (fr)	1983-07-22	Procede et installation pour la conversion de dechets en produits finaux stables
JPH07762A (ja)	1995-01-06	乾燥排気ガスコンディショニング
JPH03504958A (ja)	1991-10-31	硫酸を製造するために硫酸蒸気を凝縮させる方法
EP0191679B1 (de)	1990-08-22	Verfahren für die Oxydation von gelösten oder suspendierten Substanzen in einer wässrigen Lösung
AU2009202202A1 (en)	2009-06-25	Method for Treating Carbonaceous Materials
CH627663A5 (en)	1982-01-29	Process for the purification of residual gases containing water-soluble metal chlorides
FR2492392A1 (fr)	1982-04-23	Procede a rendement energetique eleve pour la production de carbon-black
FR2516398A1 (fr)	1983-05-20	Procede et appareil pour refroidir et purifier un gaz chaud
FR2568141A1 (fr)	1986-01-31	Procede et installation pour purifier les gaz de rejet
JPS5940762B2 (ja)	1984-10-02	液体状硫黄からの硫化水素およびポリ硫化水素の除去方法
JPS5964514A (ja)	1984-04-12	炭素モレキユラ−シ−ブおよびその製造方法
US4157374A (en)	1979-06-05	Disposal of waste gases from production of aluminum chloride
CA1339291C (fr)	1997-08-19	Procede pour ameliorer le rendement en soufre d'un ensemble de production de soufre a partir d'un gaz acide renfermant h s, ledit ensemble comportant une usine a soufre suivie d'une unite d'epuration
JPWO2017221642A1 (ja)	2019-04-11	三塩化ホウ素の製造方法
JP2671980B2 (ja)	1997-11-05	廃棄物処理
EP0367654B1 (de)	1992-01-29	Verfahren zur Erzeugung von Synthesegas durch Partialoxidation von leichten Kohlenwasserstoffen
FR2505808A1 (fr)	1982-11-19	Preparation de gaz de synthese a partir d'hydrocarbures riches en cendre
EP0001368B1 (de)	1981-12-09	Verfahren zur Granulierung von Natriummetasilikat und die so erhaltenen Produkte
FR2698090A1 (fr)	1994-05-20	Procédé de conversion des oxydes polluants des soufre et d'azote provenant d'effluents gazeux.
FR2944456A1 (fr)	2010-10-22	Procede de desulfuration d'un effluent gazeux comportant un dispositif d'analyse en ligne et de controle
EP1384699A1 (de)	2004-01-28	Verfahren zur Herstellung von Synthesegas durch partial Oxidation von Schweren Beschickungen wie Rohöl oder Distillationsrückständen.
FR2897860A1 (fr)	2007-08-31	Procede d'optimisation de la marche des unites claus.
EP0606271B1 (de)	1996-05-08	Verfahren zum Reinigen von einem Stickstoffoxide enthaltenden Gas
EP0715601A1 (de)	1996-06-12	Verfahren und vorrichtung zur bohrrückgewinnung aus flüssigem abfall