PT92341A - Processo e aparelho para o tratamento de suspensao de carbonato de calcio como residuo do fabrico de papel - Google Patents

Processo e aparelho para o tratamento de suspensao de carbonato de calcio como residuo do fabrico de papel Download PDF

Info

Publication number: PT92341A
Authority: PT; Portugal
Prior art keywords: quot; tube; furnace; dry; pulp
Prior art date: 1988-11-17

Application number

PT92341A

Other languages

English (en)

Portuguese (pt)

Inventor

Jurgen Theil

Original Assignee

Smidth & Co As F L

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.)

1988-11-17

Filing date

1989-11-17

Publication date

1990-05-31

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20373977&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PT92341(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1989-11-17 Application filed by Smidth & Co As F L filed Critical Smidth & Co As F L

1990-05-31 Publication of PT92341A publication Critical patent/PT92341A/pt

Links

238000000034 method Methods 0.000 title claims abstract description 21
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 title claims abstract description 17
238000004519 manufacturing process Methods 0.000 title claims abstract description 13
229910000019 calcium carbonate Inorganic materials 0.000 title claims abstract description 8
239000000725 suspension Substances 0.000 title claims description 9
239000002699 waste material Substances 0.000 title 1
ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 26
239000000779 smoke Substances 0.000 claims abstract description 25
239000002994 raw material Substances 0.000 claims abstract description 14
239000000292 calcium oxide Substances 0.000 claims abstract description 13
235000012255 calcium oxide Nutrition 0.000 claims abstract description 13
235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 9
235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 9
239000004571 lime Substances 0.000 claims abstract description 9
235000010216 calcium carbonate Nutrition 0.000 claims abstract description 7
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims abstract description 4
229910021653 sulphate ion Inorganic materials 0.000 claims abstract description 4
239000010802 sludge Substances 0.000 claims abstract 2
239000007789 gas Substances 0.000 claims description 29
238000001035 drying Methods 0.000 claims description 24
239000000463 material Substances 0.000 claims description 10
239000003546 flue gas Substances 0.000 claims description 8
239000000843 powder Substances 0.000 claims description 8
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 7
238000001704 evaporation Methods 0.000 claims description 7
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
230000008020 evaporation Effects 0.000 claims description 6
238000010438 heat treatment Methods 0.000 claims description 5
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
229920001131 Pulp (paper) Polymers 0.000 claims description 4
229910052799 carbon Inorganic materials 0.000 claims description 4
239000003517 fume Substances 0.000 claims 1
239000002245 particle Substances 0.000 claims 1
239000011236 particulate material Substances 0.000 claims 1
230000001143 conditioned effect Effects 0.000 abstract description 2
239000002002 slurry Substances 0.000 abstract description 2
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 2
229910000029 sodium carbonate Inorganic materials 0.000 abstract 1
239000000428 dust Substances 0.000 description 10
239000000047 product Substances 0.000 description 9
238000005192 partition Methods 0.000 description 7
239000000446 fuel Substances 0.000 description 3
239000010419 fine particle Substances 0.000 description 2
238000009434 installation Methods 0.000 description 2
235000019738 Limestone Nutrition 0.000 description 1
238000010420 art technique Methods 0.000 description 1
238000009835 boiling Methods 0.000 description 1
238000001354 calcination Methods 0.000 description 1
239000003518 caustics Substances 0.000 description 1
238000004891 communication Methods 0.000 description 1
230000003750 conditioning effect Effects 0.000 description 1
238000010276 construction Methods 0.000 description 1
238000001816 cooling Methods 0.000 description 1
238000005265 energy consumption Methods 0.000 description 1
239000012065 filter cake Substances 0.000 description 1
230000003455 independent Effects 0.000 description 1
239000006028 limestone Substances 0.000 description 1
238000005259 measurement Methods 0.000 description 1
238000002156 mixing Methods 0.000 description 1
239000000203 mixture Substances 0.000 description 1
238000010791 quenching Methods 0.000 description 1
230000005855 radiation Effects 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
238000000926 separation method Methods 0.000 description 1
230000000391 smoking effect Effects 0.000 description 1
239000007787 solid Substances 0.000 description 1
238000009987 spinning Methods 0.000 description 1
238000005507 spraying Methods 0.000 description 1
239000000080 wetting agent Substances 0.000 description 1

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
- D21C11/0078—Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these compounds

Landscapes

Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Paper (AREA)
Processing Of Solid Wastes (AREA)
Treatment Of Sludge (AREA)
Fertilizers (AREA)

PT92341A 1988-11-17 1989-11-17 Processo e aparelho para o tratamento de suspensao de carbonato de calcio como residuo do fabrico de papel PT92341A (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE8804160A SE460728B (sv)	1988-11-17	1988-11-17	Foerfarande och anlaeggning vid behandling av mesa

Publications (1)

Publication Number	Publication Date
PT92341A true PT92341A (pt)	1990-05-31

Family

ID=20373977

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
PT92341A PT92341A (pt)	1988-11-17	1989-11-17	Processo e aparelho para o tratamento de suspensao de carbonato de calcio como residuo do fabrico de papel

Country Status (10)

Country	Link
EP (1)	EP0369650B1 (de)
JP (1)	JPH0319987A (de)
AT (1)	ATE88767T1 (de)
BR (1)	BR8905827A (de)
CA (1)	CA2003112A1 (de)
DE (1)	DE68906243T2 (de)
ES (1)	ES2055097T3 (de)
FI (1)	FI93751B (de)
PT (1)	PT92341A (de)
SE (1)	SE460728B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5213496A (en) *	1989-07-03	1993-05-25	A. Ahlstrom Corporation	Feeding system for a lime reburning kiln
FI87245C (fi) *	1989-07-03	1992-12-10	Ahlstroem Oy	Inmatningssystem foer mesaugn
GB9606638D0 (en) *	1996-03-29	1996-06-05	Ecc Int Ltd	Treatment of solid containing material derived from effluent
FI107057B (fi) *	1996-07-05	2001-05-31	Andritz Ahlstrom Oy	Meesan syöttöjärjestelmä
US20020079075A1 (en)	1998-09-04	2002-06-27	Imerys Minerals Limited	Treatment of solid containing material derived from effluent
US6348128B1 (en)	1998-06-01	2002-02-19	U.S. Borax Inc.	Method of increasing the causticizing efficiency of alkaline pulping liquor by borate addition
US6294048B1 (en) *	1998-06-01	2001-09-25	U.S. Borax Inc.	Method for regenerating sodium hydroxide by partial autocausticizing sodium carbonate containing smelt by reaction with a borate
JP4338744B2 (ja)	2007-03-30	2009-10-07	セイコークロック株式会社	からくり時計
DE102011014348A1 (de)	2011-03-18	2014-06-18	Ecoloop Gmbh	Verfahren zur kontinuierlichen Herstellung von gefälltem Calciumcarbonat

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3020881C2 (de) *	1980-06-02	1984-08-09	Krupp Polysius Ag, 4720 Beckum	Verfahren und Anlage zur Herstellung von Sintermagnesit aus Magnesiumhydroxid
FI73755C (fi) *	1985-11-22	1987-11-09	Ekono Oy	Foerfarande foer kausticering av en alkalikarbonathaltig vattenloesning.

1988
- 1988-11-17 SE SE8804160A patent/SE460728B/sv not_active IP Right Cessation
1989
- 1989-11-02 ES ES89311391T patent/ES2055097T3/es not_active Expired - Lifetime
- 1989-11-02 DE DE8989311391T patent/DE68906243T2/de not_active Revoked
- 1989-11-02 AT AT89311391T patent/ATE88767T1/de not_active IP Right Cessation
- 1989-11-02 EP EP89311391A patent/EP0369650B1/de not_active Revoked
- 1989-11-16 CA CA002003112A patent/CA2003112A1/en not_active Abandoned
- 1989-11-16 FI FI895468A patent/FI93751B/fi not_active IP Right Cessation
- 1989-11-17 BR BR898905827A patent/BR8905827A/pt not_active IP Right Cessation
- 1989-11-17 JP JP1299488A patent/JPH0319987A/ja active Pending
- 1989-11-17 PT PT92341A patent/PT92341A/pt not_active Application Discontinuation

Also Published As

Publication number	Publication date
BR8905827A (pt)	1990-06-12
EP0369650A2 (de)	1990-05-23
FI895468A0 (fi)	1989-11-16
ATE88767T1 (de)	1993-05-15
EP0369650B1 (de)	1993-04-28
DE68906243T2 (de)	1993-08-12
DE68906243D1 (de)	1993-06-03
EP0369650A3 (de)	1991-05-29
FI93751B (fi)	1995-02-15
JPH0319987A (ja)	1991-01-29
SE8804160D0 (sv)	1988-11-17
CA2003112A1 (en)	1990-05-17
ES2055097T3 (es)	1994-08-16
SE460728B (sv)	1989-11-13

Legal Events

Date	Code	Title	Description
1995-12-29	FC3A	Refusal	Effective date: 19950918

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US4311670A (en)	1982-01-19	Fluidized bed reactor system
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US1933255A (en)	1933-10-31	Apparatus for recovering black liquors
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DK174208B1 (da)	2002-09-23	Fremgangsmåde og anlæg til indføring af mesa i en roterende ovn
US3203761A (en)	1965-08-31	Process for production of lime
FI72542C (fi)	1987-06-08	Eldning av masugn med fast braensle.
EP0613867B1 (de)	1997-05-21	Verfahren zur Herstellung eines Puzzolanmaterials aus Papierschlamm
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FI54160C (fi)	1981-01-12	Foerfarande foer behandling av material i en virvelbaeddreaktor
FI75884C (sv)	1988-08-08	Arrangemang för att förbättra värmeekonomin i roterugnar
JPS61247619A (ja)	1986-11-04	造粒生石灰の製造法
GB2067727A (en)	1981-07-30	Improvements to installations for the calcination of alumina and similar products
JP2009179520A (ja)	2009-08-13	炭酸カルシウムの製造方法