EP0349860A3 - Verfahren zur Steuerung der Retentionsmittelzugabe bei der Papierherstellung - Google Patents
Verfahren zur Steuerung der Retentionsmittelzugabe bei der Papierherstellung Download PDFInfo
- Publication number
- EP0349860A3 EP0349860A3 EP19890111530 EP89111530A EP0349860A3 EP 0349860 A3 EP0349860 A3 EP 0349860A3 EP 19890111530 EP19890111530 EP 19890111530 EP 89111530 A EP89111530 A EP 89111530A EP 0349860 A3 EP0349860 A3 EP 0349860A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- controlling
- addition
- agent during
- retention agent
- during papermaking
- Prior art date
- 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.)
- Withdrawn
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
- D21H23/06—Controlling the addition
- D21H23/12—Controlling the addition by measuring properties of the formed web
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
- D21H23/06—Controlling the addition
- D21H23/08—Controlling the addition by measuring pulp properties, e.g. zeta potential, pH
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S162/00—Paper making and fiber liberation
- Y10S162/09—Uses for paper making sludge
- Y10S162/10—Computer control of paper making variables
- Y10S162/11—Wet end paper making variables
Landscapes
- Paper (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3822783 | 1988-07-06 | ||
DE3822783A DE3822783A1 (de) | 1988-07-06 | 1988-07-06 | Verfahren zur steuerung der retentionsmittelzugabe bei der papierherstellung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0349860A2 EP0349860A2 (de) | 1990-01-10 |
EP0349860A3 true EP0349860A3 (de) | 1991-05-22 |
Family
ID=6358029
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19890111530 Withdrawn EP0349860A3 (de) | 1988-07-06 | 1989-06-24 | Verfahren zur Steuerung der Retentionsmittelzugabe bei der Papierherstellung |
Country Status (5)
Country | Link |
---|---|
US (1) | US4952280A (fi) |
EP (1) | EP0349860A3 (fi) |
JP (1) | JPH0247386A (fi) |
DE (1) | DE3822783A1 (fi) |
FI (1) | FI893232A (fi) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4237309A1 (fi) * | 1992-11-05 | 1993-04-08 | Voith Gmbh J M | |
SE503386C2 (sv) * | 1994-09-30 | 1996-06-03 | Skogsind Tekn Foskningsinst | Förfarande vid bestämning av mängden fyllmedel i papper |
US6114171A (en) * | 1997-10-20 | 2000-09-05 | Westvaco Corporation | Additive management system |
FI103822B1 (fi) | 1998-06-16 | 1999-09-30 | Valmet Corp | Menetelmä flokkisuuden optimoimiseksi |
US6363610B1 (en) | 1999-10-21 | 2002-04-02 | Allied Signal, Inc. | Gas turbine rotor bimetallic ring seal and method therefor |
DE10003383A1 (de) * | 2000-01-26 | 2001-08-02 | Voith Paper Patent Gmbh | Verfahren zur Bestimmung eines Kennwertes für das Bindekräfte-Potential von suspendierten Papierfasern sowie Verwendung des Verfahrens |
DE10118508A1 (de) * | 2001-04-12 | 2002-10-17 | Voith Paper Patent Gmbh | Verfahren und Anlage zur Herstellung einer Faserstoffbahn |
FI116241B (fi) * | 2002-05-06 | 2005-10-14 | Metso Automation Oy | Menetelmä ja laitteisto paperikoneen viiraosan retention määrittämiseksi |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1987002396A1 (en) * | 1985-10-18 | 1987-04-23 | Miami University | Papermaking process |
-
1988
- 1988-07-06 DE DE3822783A patent/DE3822783A1/de not_active Withdrawn
-
1989
- 1989-06-14 US US07/366,495 patent/US4952280A/en not_active Expired - Fee Related
- 1989-06-24 EP EP19890111530 patent/EP0349860A3/de not_active Withdrawn
- 1989-06-28 JP JP1164095A patent/JPH0247386A/ja active Pending
- 1989-07-03 FI FI893232A patent/FI893232A/fi not_active Application Discontinuation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1987002396A1 (en) * | 1985-10-18 | 1987-04-23 | Miami University | Papermaking process |
Non-Patent Citations (2)
Title |
---|
PAPIER, DAS. vol. 40, no. 10A, Oktober 1986, DARMSTADT DE Seiten 62 - 67; D. HORAND ET AL: "OPTIMIERUNG VON PAPIER- UND KARTONREZEPTUREN" * |
TA-A- (CHIGAGO) 11-13, 1988 CONTINUOUS RETENTION MONITORING SYSTEM....KORTELAINEN H. * |
Also Published As
Publication number | Publication date |
---|---|
FI893232A0 (fi) | 1989-07-03 |
FI893232A (fi) | 1990-01-07 |
JPH0247386A (ja) | 1990-02-16 |
DE3822783A1 (de) | 1990-01-11 |
EP0349860A2 (de) | 1990-01-10 |
US4952280A (en) | 1990-08-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT DE FR GB NL SE |
|
17P | Request for examination filed |
Effective date: 19901227 |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT DE FR GB NL SE |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Withdrawal date: 19920124 |
|
R18W | Application withdrawn (corrected) |
Effective date: 19920124 |