CA1156431A - Methode et appareil pour l'obtention d'alumine anhydre - Google Patents

Methode et appareil pour l'obtention d'alumine anhydre

Info

Publication number: CA1156431A
Authority: CA; Canada
Prior art keywords: alumina; chamber; reaction chamber; gas; fuel
Prior art date: 1978-04-20
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.): Expired

Application number

CA000325683A

Other languages

English (en)

Inventor

Benny E. Raahauge

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.)

FLSmidth Ltd

Original Assignee

FLSmidth and Company of Canada Ltd

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.)

1978-04-20

Filing date

1979-04-18

Publication date

1983-11-08

1979-04-18 Application filed by FLSmidth and Company of Canada Ltd filed Critical FLSmidth and Company of Canada Ltd

1983-11-08 Application granted granted Critical

1983-11-08 Publication of CA1156431A publication Critical patent/CA1156431A/fr

Status Expired legal-status Critical Current

Links

PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 163
238000000034 method Methods 0.000 title claims abstract description 55
239000007789 gas Substances 0.000 claims abstract description 99
238000006243 chemical reaction Methods 0.000 claims abstract description 88
239000000463 material Substances 0.000 claims abstract description 69
239000000446 fuel Substances 0.000 claims abstract description 46
238000002485 combustion reaction Methods 0.000 claims abstract description 33
238000001816 cooling Methods 0.000 claims abstract description 27
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 24
239000001301 oxygen Substances 0.000 claims abstract description 24
229910052760 oxygen Inorganic materials 0.000 claims abstract description 24
150000004684 trihydrates Chemical class 0.000 claims abstract description 20
239000000567 combustion gas Substances 0.000 claims abstract description 12
238000004519 manufacturing process Methods 0.000 claims abstract description 12
238000010438 heat treatment Methods 0.000 claims abstract description 11
238000001953 recrystallisation Methods 0.000 claims abstract description 10
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
239000000428 dust Substances 0.000 claims description 15
238000002156 mixing Methods 0.000 claims description 15
239000002245 particle Substances 0.000 claims description 15
230000015572 biosynthetic process Effects 0.000 claims description 10
230000000977 initiatory effect Effects 0.000 claims description 6
239000000725 suspension Substances 0.000 claims description 6
239000000203 mixture Substances 0.000 claims description 5
230000036647 reaction Effects 0.000 claims description 4
238000001035 drying Methods 0.000 claims description 3
TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims 3
230000008569 process Effects 0.000 description 19
229910052593 corundum Inorganic materials 0.000 description 18
229910001845 yogo sapphire Inorganic materials 0.000 description 18
239000000047 product Substances 0.000 description 17
238000001354 calcination Methods 0.000 description 6
WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 5
238000010960 commercial process Methods 0.000 description 4
238000010276 construction Methods 0.000 description 3
238000009826 distribution Methods 0.000 description 3
239000012717 electrostatic precipitator Substances 0.000 description 3
239000000295 fuel oil Substances 0.000 description 3
239000000779 smoke Substances 0.000 description 3
206010037660 Pyrexia Diseases 0.000 description 2
238000010586 diagram Methods 0.000 description 2
239000012065 filter cake Substances 0.000 description 2
238000005243 fluidization Methods 0.000 description 2
239000008246 gaseous mixture Substances 0.000 description 2
230000006872 improvement Effects 0.000 description 2
230000004048 modification Effects 0.000 description 2
238000012986 modification Methods 0.000 description 2
238000000638 solvent extraction Methods 0.000 description 2
230000005654 stationary process Effects 0.000 description 2
BHMLFPOTZYRDKA-IRXDYDNUSA-N (2s)-2-[(s)-(2-iodophenoxy)-phenylmethyl]morpholine Chemical compound IC1=CC=CC=C1O[C@@H](C=1C=CC=CC=1)[C@H]1OCCNC1 BHMLFPOTZYRDKA-IRXDYDNUSA-N 0.000 description 1
BYFGZMCJNACEKR-UHFFFAOYSA-N Al2O Inorganic materials [Al]O[Al] BYFGZMCJNACEKR-UHFFFAOYSA-N 0.000 description 1
241000272470 Circus Species 0.000 description 1
RREGISFBPQOLTM-UHFFFAOYSA-N alumane;trihydrate Chemical compound O.O.O.[AlH3] RREGISFBPQOLTM-UHFFFAOYSA-N 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
230000008901 benefit Effects 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
239000013078 crystal Substances 0.000 description 1
230000007423 decrease Effects 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
238000007599 discharging Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000001704 evaporation Methods 0.000 description 1
230000008020 evaporation Effects 0.000 description 1
239000012467 final product Substances 0.000 description 1
239000012530 fluid Substances 0.000 description 1
230000006698 induction Effects 0.000 description 1
229910052500 inorganic mineral Inorganic materials 0.000 description 1
238000009434 installation Methods 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
230000007775 late Effects 0.000 description 1
238000012423 maintenance Methods 0.000 description 1
230000014759 maintenance of location Effects 0.000 description 1
239000011707 mineral Substances 0.000 description 1
239000003921 oil Substances 0.000 description 1
JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
238000012545 processing Methods 0.000 description 1
230000009467 reduction Effects 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000011343 solid material Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1
238000012546 transfer Methods 0.000 description 1

Landscapes

Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

CA000325683A 1978-04-20 1979-04-18 Methode et appareil pour l'obtention d'alumine anhydre Expired CA1156431A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB15689/79		1978-04-20
GB1568979		1978-04-20

Publications (1)

Publication Number	Publication Date
CA1156431A true CA1156431A (fr)	1983-11-08

Family

ID=10063677

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000325683A Expired CA1156431A (fr)	1978-04-20	1979-04-18	Methode et appareil pour l'obtention d'alumine anhydre

Country Status (1)

Country	Link
CA (1)	CA1156431A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN113277535A (zh) *	2021-05-20	2021-08-20	萍乡市华顺环保化工填料有限公司	一种新型氧化铝生产用沉降槽加热装置
CN113816408A (zh) *	2021-10-14	2021-12-21	周运刚	一种利用高温氧化铝进料冶炼白刚玉的系统
CN117177942A (zh) *	2021-03-12	2023-12-05	美铝澳大利亚有限公司	煅烧方法

1979
- 1979-04-18 CA CA000325683A patent/CA1156431A/fr not_active Expired

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN117177942A (zh) *	2021-03-12	2023-12-05	美铝澳大利亚有限公司	煅烧方法
CN113277535A (zh) *	2021-05-20	2021-08-20	萍乡市华顺环保化工填料有限公司	一种新型氧化铝生产用沉降槽加热装置
CN113277535B (zh) *	2021-05-20	2022-11-18	萍乡市华顺环保化工填料有限公司	一种新型氧化铝生产用沉降槽加热装置
CN113816408A (zh) *	2021-10-14	2021-12-21	周运刚	一种利用高温氧化铝进料冶炼白刚玉的系统

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Legal Events

Date	Code	Title	Description
2000-11-08	MKEX	Expiry
2023-05-26	MKEX	Expiry	Effective date: 20001108