GB1070654A - Improvements in de-inking printed waste paper - Google Patents
Improvements in de-inking printed waste paperInfo
- Publication number
- GB1070654A GB1070654A GB3226564A GB3226564A GB1070654A GB 1070654 A GB1070654 A GB 1070654A GB 3226564 A GB3226564 A GB 3226564A GB 3226564 A GB3226564 A GB 3226564A GB 1070654 A GB1070654 A GB 1070654A
- Authority
- GB
- United Kingdom
- Prior art keywords
- waste paper
- alkaline
- thickened
- sulphate
- contain
- 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.)
- Expired
Links
- 239000010893 paper waste Substances 0.000 title abstract 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 abstract 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 239000003795 chemical substances by application Substances 0.000 abstract 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 2
- -1 alkali-metal salt Chemical class 0.000 abstract 2
- 239000002761 deinking Substances 0.000 abstract 2
- 150000002190 fatty acyls Chemical group 0.000 abstract 2
- 102000004196 processed proteins & peptides Human genes 0.000 abstract 2
- 108090000765 processed proteins & peptides Proteins 0.000 abstract 2
- 229910021653 sulphate ion Inorganic materials 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 108010009736 Protein Hydrolysates Proteins 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 238000005903 acid hydrolysis reaction Methods 0.000 abstract 1
- 150000007513 acids Chemical class 0.000 abstract 1
- 125000002252 acyl group Chemical group 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 abstract 1
- 238000005904 alkaline hydrolysis reaction Methods 0.000 abstract 1
- 229940037003 alum Drugs 0.000 abstract 1
- 235000001014 amino acid Nutrition 0.000 abstract 1
- 150000001413 amino acids Chemical class 0.000 abstract 1
- 150000008064 anhydrides Chemical class 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 239000007859 condensation product Substances 0.000 abstract 1
- 239000000413 hydrolysate Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 229920001184 polypeptide Polymers 0.000 abstract 1
- 239000003531 protein hydrolysate Substances 0.000 abstract 1
- 238000004537 pulping Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 229920006395 saturated elastomer Polymers 0.000 abstract 1
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 1
- 235000017550 sodium carbonate Nutrition 0.000 abstract 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 abstract 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- D21C5/025—De-inking
- D21C5/027—Chemicals therefor
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D9/00—Chemical paint or ink removers
- C09D9/04—Chemical paint or ink removers with surface-active agents
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US33108863A | 1963-12-12 | 1963-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1070654A true GB1070654A (en) | 1967-06-01 |
Family
ID=23292578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3226564A Expired GB1070654A (en) | 1963-12-12 | 1964-08-07 | Improvements in de-inking printed waste paper |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE644751A (enrdf_load_stackoverflow) |
| DE (1) | DE1243963B (enrdf_load_stackoverflow) |
| GB (1) | GB1070654A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE439787B (sv) * | 1984-03-19 | 1985-07-01 | Berol Kemi Ab | Sett att reducera missfergning och/eller klibbighet vid upparbetning av avfallspapper |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE667722C (de) * | 1936-10-06 | 1938-11-18 | Chem Fab Gruenau Akt Ges | Verfahren zur Wiedergewinnung von reinem Papierstoff aus bedrucktem Altpapier |
| NL84209C (enrdf_load_stackoverflow) * | 1952-02-09 | 1900-01-01 |
-
1964
- 1964-02-28 DE DEG39971A patent/DE1243963B/de active Pending
- 1964-03-05 BE BE644751A patent/BE644751A/xx unknown
- 1964-08-07 GB GB3226564A patent/GB1070654A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE644751A (enrdf_load_stackoverflow) | 1964-07-01 |
| DE1243963B (de) | 1967-07-06 |
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