GB9009002D0 - Improvements in process control - Google Patents
Improvements in process controlInfo
- Publication number
- GB9009002D0 GB9009002D0 GB909009002A GB9009002A GB9009002D0 GB 9009002 D0 GB9009002 D0 GB 9009002D0 GB 909009002 A GB909009002 A GB 909009002A GB 9009002 A GB9009002 A GB 9009002A GB 9009002 D0 GB9009002 D0 GB 9009002D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- process control
- control
- 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- Withdrawn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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
- G01N21/73—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited using plasma burners or torches
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
-
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9009002A GB2243445A (en) | 1990-04-21 | 1990-04-21 | Treating mineral slurries |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9009002A GB2243445A (en) | 1990-04-21 | 1990-04-21 | Treating mineral slurries |
Publications (2)
Publication Number | Publication Date |
---|---|
GB9009002D0 true GB9009002D0 (en) | 1990-06-20 |
GB2243445A GB2243445A (en) | 1991-10-30 |
Family
ID=10674801
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9009002A Withdrawn GB2243445A (en) | 1990-04-21 | 1990-04-21 | Treating mineral slurries |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2243445A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2406377A (en) * | 2003-09-25 | 2005-03-30 | Qinetiq Ltd | Laser spectroscopic identification of asbestos |
-
1990
- 1990-04-21 GB GB9009002A patent/GB2243445A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2243445A (en) | 1991-10-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB9113287D0 (en) | Process | |
EP0712949A3 (en) | Process control in the textile field | |
GB9022127D0 (en) | Process | |
GB9022787D0 (en) | Process | |
AP9100251A0 (en) | Process | |
GB9017479D0 (en) | Process | |
ZA917324B (en) | Improvements in refining | |
HU913311D0 (en) | Deparaffinizating process | |
GB9015832D0 (en) | Introducing means | |
EP0437888A3 (en) | Computer-controlled spray-dying process | |
GB9004390D0 (en) | Process | |
GB9009002D0 (en) | Improvements in process control | |
GB9014851D0 (en) | Process | |
GB9010657D0 (en) | Improvements in reflecters | |
GB9011619D0 (en) | Improvements in or relating to control | |
GB9021828D0 (en) | Improvements in or relating to control apparatus | |
GB9018600D0 (en) | Improvements in movement control | |
GB9025680D0 (en) | Process | |
GB9014852D0 (en) | Process | |
GB9023291D0 (en) | Process | |
GB9023300D0 (en) | Process | |
GB9021663D0 (en) | Process | |
GB9026426D0 (en) | Process | |
GB9026477D0 (en) | Process | |
GB9027725D0 (en) | Process |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |