NO128336B - - Google Patents
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- Publication number
- NO128336B NO128336B NO02888/69A NO288869A NO128336B NO 128336 B NO128336 B NO 128336B NO 02888/69 A NO02888/69 A NO 02888/69A NO 288869 A NO288869 A NO 288869A NO 128336 B NO128336 B NO 128336B
- Authority
- NO
- Norway
- Prior art keywords
- water
- leather
- soluble
- compounds
- acid
- Prior art date
Links
- 239000010985 leather Substances 0.000 claims description 24
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000011651 chromium Substances 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 150000007522 mineralic acids Chemical class 0.000 claims description 6
- -1 ester salts Chemical class 0.000 claims description 5
- 150000007524 organic acids Chemical class 0.000 claims description 5
- 235000005985 organic acids Nutrition 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- 150000002894 organic compounds Chemical group 0.000 claims description 3
- 150000001298 alcohols Chemical class 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
- 239000011707 mineral Substances 0.000 claims description 2
- 239000013543 active substance Substances 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 239000002253 acid Substances 0.000 description 11
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 9
- 238000005470 impregnation Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 150000003863 ammonium salts Chemical class 0.000 description 4
- 235000014113 dietary fatty acids Nutrition 0.000 description 4
- 229930195729 fatty acid Natural products 0.000 description 4
- 239000000194 fatty acid Substances 0.000 description 4
- 150000004665 fatty acids Chemical class 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- QMKYBPDZANOJGF-UHFFFAOYSA-N benzene-1,3,5-tricarboxylic acid Chemical compound OC(=O)C1=CC(C(O)=O)=CC(C(O)=O)=C1 QMKYBPDZANOJGF-UHFFFAOYSA-N 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- TVACALAUIQMRDF-UHFFFAOYSA-N dodecyl dihydrogen phosphate Chemical compound CCCCCCCCCCCCOP(O)(O)=O TVACALAUIQMRDF-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 150000002191 fatty alcohols Chemical class 0.000 description 2
- 239000000944 linseed oil Substances 0.000 description 2
- 235000021388 linseed oil Nutrition 0.000 description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
- 239000011976 maleic acid Substances 0.000 description 2
- YDSWCNNOKPMOTP-UHFFFAOYSA-N mellitic acid Chemical compound OC(=O)C1=C(C(O)=O)C(C(O)=O)=C(C(O)=O)C(C(O)=O)=C1C(O)=O YDSWCNNOKPMOTP-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- FJMKXRHMJBDWHX-UHFFFAOYSA-N 2-(2-hexadecoxy-2-oxoethyl)-2-hydroxybutanedioic acid Chemical compound CCCCCCCCCCCCCCCCOC(=O)CC(O)(C(O)=O)CC(O)=O FJMKXRHMJBDWHX-UHFFFAOYSA-N 0.000 description 1
- YTALXTIAGRLMQC-UHFFFAOYSA-N 2-dodecoxycarbonyl-6-sulfobenzoic acid Chemical compound CCCCCCCCCCCCOC(C1=CC=CC(S(O)(=O)=O)=C1C(O)=O)=O YTALXTIAGRLMQC-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- SDGNNLQZAPXALR-UHFFFAOYSA-N 3-sulfophthalic acid Chemical class OC(=O)C1=CC=CC(S(O)(=O)=O)=C1C(O)=O SDGNNLQZAPXALR-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- DJHGAFSJWGLOIV-UHFFFAOYSA-N Arsenic acid Chemical compound O[As](O)(O)=O DJHGAFSJWGLOIV-UHFFFAOYSA-N 0.000 description 1
- WTJWIAHZELNVTK-UHFFFAOYSA-N CCCCCCCCCCCCCCCCCCNC(=O)CC(O)(CC(O)=O)C(O)=O Chemical compound CCCCCCCCCCCCCCCCCCNC(=O)CC(O)(CC(O)=O)C(O)=O WTJWIAHZELNVTK-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229940000489 arsenate Drugs 0.000 description 1
- 229940000488 arsenic acid Drugs 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- ZHVGLSPRBOXEPD-UHFFFAOYSA-N hexadecoxyboronic acid Chemical compound CCCCCCCCCCCCCCCCOB(O)O ZHVGLSPRBOXEPD-UHFFFAOYSA-N 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 238000004078 waterproofing Methods 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/93—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with rotary discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/50—Mixing receptacles
- B01F35/53—Mixing receptacles characterised by the configuration of the interior, e.g. baffles for facilitating the mixing of components
- B01F35/531—Mixing receptacles characterised by the configuration of the interior, e.g. baffles for facilitating the mixing of components with baffles, plates or bars on the wall or the bottom
- B01F35/5312—Mixing receptacles characterised by the configuration of the interior, e.g. baffles for facilitating the mixing of components with baffles, plates or bars on the wall or the bottom with vertical baffles mounted on the walls
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
- B01F27/191—Stirrers with two or more mixing elements mounted in sequence on the same axis with similar elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/50—Mixing receptacles
- B01F35/53—Mixing receptacles characterised by the configuration of the interior, e.g. baffles for facilitating the mixing of components
- B01F35/531—Mixing receptacles characterised by the configuration of the interior, e.g. baffles for facilitating the mixing of components with baffles, plates or bars on the wall or the bottom
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE954068 | 1968-07-11 | ||
| SE6809689A SE411771B (sv) | 1968-07-15 | 1968-07-15 | Apparat for behandling av cellulosamassa med gasformigt syre |
| ZA686629 | 1968-10-14 | ||
| SE86869 | 1969-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO128336B true NO128336B (fi) | 1973-10-29 |
Family
ID=27484467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO02888/69A NO128336B (fi) | 1968-07-11 | 1969-07-10 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US3660225A (fi) |
| DE (1) | DE1935067C3 (fi) |
| ES (1) | ES369349A1 (fi) |
| FI (1) | FI45473C (fi) |
| FR (1) | FR2012740A1 (fi) |
| NO (1) | NO128336B (fi) |
| OA (1) | OA03094A (fi) |
Families Citing this family (72)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4105494A (en) * | 1973-01-05 | 1978-08-08 | Sunds Aktiebolag | Process of gas-phase bleaching high consistency finely disintegrated pulp |
| US4177105A (en) * | 1973-05-22 | 1979-12-04 | Kamyr, Incorporated | Apparatus for delignifying and bleaching cellulose pulp |
| US4062722A (en) * | 1974-01-18 | 1977-12-13 | Carlos Ibanez Ajuria | Device for treating deformable particles with the counterflowing liquids |
| US4089737A (en) * | 1974-02-18 | 1978-05-16 | Toyo Pulp Company, Ltd. | Delignification of cellulosic material with an alkaline aqueous medium containing oxygen dissolved therein |
| US3964962A (en) * | 1974-02-25 | 1976-06-22 | Ingersoll-Rand Company | Gaseous reaction apparatus and processes including a peripheral gas receiving chamber and a gas recirculation conduit |
| GB1505529A (en) * | 1974-06-14 | 1978-03-30 | Mo Och Domsjoe Ab | Method for the oxygen-gas delignification of lignocellulosic material and apparatus for carrying out the method |
| SE431662B (sv) * | 1974-07-05 | 1984-02-20 | Kamyr Ab | Sett vid kontinuerlig kokning av fibermaterial |
| US3966542A (en) * | 1974-09-20 | 1976-06-29 | General Signal Corporation | Multi-stage bleaching of pulp using successively lower power levels |
| US4058433A (en) * | 1975-03-06 | 1977-11-15 | Gulf States Paper Corporation | Conversion of sulfur in blank liquor to eliminate odorous emissions and facilitate the collection of sulfate soaps |
| NO137651C (no) * | 1975-10-31 | 1978-03-29 | Myrens Verksted As | Fremgangsmaate og apparat til kontinuerlig behandling av findelt fibermateriale eller celluloseholdig masse med gass uten overtrykk. |
| US4338158A (en) * | 1976-04-09 | 1982-07-06 | Weyerhaeuser Company | Pulping in the presence of a protector |
| FI67413C (fi) * | 1977-04-27 | 1985-03-11 | Myrens Verksted As | Foerfarande foer behandling av finfoerdelad fiberhaltig eller cellulosahaltig massa samt anordning foer utfoerande av foerfarandet |
| US4161421A (en) * | 1977-09-13 | 1979-07-17 | Kamyr, Inc. | Method and apparatus for continuous oxygen bleaching of cellulosic pulp |
| US4259150A (en) * | 1978-12-18 | 1981-03-31 | Kamyr Inc. | Plural stage mixing and thickening oxygen bleaching process |
| US4451268A (en) * | 1982-09-29 | 1984-05-29 | Lerch John A | Dry acetylene generator |
| US4744873A (en) * | 1986-11-25 | 1988-05-17 | The Dow Chemical Company | Multiple compartment electrolytic cell |
| US5135968A (en) * | 1990-10-10 | 1992-08-04 | Stranco, Ltd. | Methods and apparatus for treating wastewater |
| US5164429A (en) * | 1987-08-25 | 1992-11-17 | Stranco, Inc. | Polymer activation apparatus |
| US5061456A (en) * | 1987-08-25 | 1991-10-29 | Stranco, Inc. | Polymer activation apparatus |
| US5316031A (en) * | 1987-08-25 | 1994-05-31 | Brazelton Carl L | Valve with independent control of discharge through plurality of orifices |
| US5252635A (en) * | 1987-08-25 | 1993-10-12 | Stranco, Inc. | Polymer activation method using two separate mixing zones |
| US5525195A (en) * | 1989-02-15 | 1996-06-11 | Union Camp Patent Holding, Inc. | Process for high consistency delignification using a low consistency alkali pretreatment |
| US5188708A (en) * | 1989-02-15 | 1993-02-23 | Union Camp Patent Holding, Inc. | Process for high consistency oxygen delignification followed by ozone relignification |
| US5085734A (en) * | 1989-02-15 | 1992-02-04 | Union Camp Patent Holding, Inc. | Methods of high consistency oxygen delignification using a low consistency alkali pretreatment |
| US5211811A (en) * | 1989-02-15 | 1993-05-18 | Union Camp Patent Holding, Inc. | Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification |
| US5181989A (en) * | 1990-10-26 | 1993-01-26 | Union Camp Patent Holdings, Inc. | Reactor for bleaching high consistency pulp with ozone |
| US5409570A (en) * | 1989-02-15 | 1995-04-25 | Union Camp Patent Holding, Inc. | Process for ozone bleaching of oxygen delignified pulp while conveying the pulp through a reaction zone |
| US5173153A (en) * | 1991-01-03 | 1992-12-22 | Union Camp Patent Holding, Inc. | Process for enhanced oxygen delignification using high consistency and a split alkali addition |
| US5217574A (en) * | 1989-02-15 | 1993-06-08 | Union Camp Patent Holdings Inc. | Process for oxygen delignifying high consistency pulp by removing and recycling pressate from alkaline pulp |
| US5472572A (en) * | 1990-10-26 | 1995-12-05 | Union Camp Patent Holding, Inc. | Reactor for bleaching high consistency pulp with ozone |
| US5441603A (en) * | 1990-05-17 | 1995-08-15 | Union Camp Patent Holding, Inc. | Method for chelation of pulp prior to ozone delignification |
| US5164043A (en) * | 1990-05-17 | 1992-11-17 | Union Camp Patent Holding, Inc. | Environmentally improved process for bleaching lignocellulosic materials with ozone |
| US5164044A (en) * | 1990-05-17 | 1992-11-17 | Union Camp Patent Holding, Inc. | Environmentally improved process for bleaching lignocellulosic materials with ozone |
| US5520783A (en) * | 1990-10-26 | 1996-05-28 | Union Camp Patent Holding, Inc. | Apparatus for bleaching high consistency pulp with ozone |
| US5174861A (en) * | 1990-10-26 | 1992-12-29 | Union Camp Patent Holdings, Inc. | Method of bleaching high consistency pulp with ozone |
| CA2068981C (en) * | 1991-05-24 | 1996-08-27 | Michael A. Pikulin | Two stage pulp bleaching reactor |
| US5372679A (en) * | 1992-06-08 | 1994-12-13 | Air Products And Chemicals, Inc. | Reactor system for treating cellulosic pulp at a constant upward flow velocity |
| US5338779A (en) * | 1992-09-18 | 1994-08-16 | Stranco, Inc | Dry polymer activation apparatus and method |
| US5554259A (en) * | 1993-10-01 | 1996-09-10 | Union Camp Patent Holdings, Inc. | Reduction of salt scale precipitation by control of process stream Ph and salt concentration |
| US6174409B1 (en) | 1997-09-19 | 2001-01-16 | American Air Liquide Inc. | Method to improve final bleached pulp strength properties by adjusting the CI02:03 ration within a single (D/Z) stage of the bleaching process |
| US6409926B1 (en) | 1999-03-02 | 2002-06-25 | United States Filter Corporation | Air and water purification using continuous breakpoint halogenation and peroxygenation |
| US6143184A (en) | 1999-03-02 | 2000-11-07 | United States Filter Corporation | Air and water purification using continuous breakpoint halogenation |
| MXPA02012886A (es) | 2000-06-22 | 2003-05-14 | United States Filter Corp | Control de la corrosion utilizando un donador de peroxido de hidrogeno. |
| US6419817B1 (en) | 2000-06-22 | 2002-07-16 | United States Filter Corporation | Dynamic optimization of chemical additives in a water treatment system |
| US6716359B1 (en) | 2000-08-29 | 2004-04-06 | United States Filter Corporation | Enhanced time-based proportional control |
| US20020129911A1 (en) * | 2000-10-16 | 2002-09-19 | Marcoccia Bruno S. | Process and configuration for providing external upflow/internal downflow in a continuous digester |
| US6620315B2 (en) | 2001-02-09 | 2003-09-16 | United States Filter Corporation | System for optimized control of multiple oxidizer feedstreams |
| US6776926B2 (en) * | 2001-08-09 | 2004-08-17 | United States Filter Corporation | Calcium hypochlorite of reduced reactivity |
| US7108781B2 (en) * | 2002-02-26 | 2006-09-19 | Usfilter Corporation | Enhanced air and water purification using continuous breakpoint halogenation with free oxygen radicals |
| US6991735B2 (en) * | 2002-02-26 | 2006-01-31 | Usfilter Corporation | Free radical generator and method |
| US10343939B2 (en) | 2006-06-06 | 2019-07-09 | Evoqua Water Technologies Llc | Ultraviolet light activated oxidation process for the reduction of organic carbon in semiconductor process water |
| US8652336B2 (en) * | 2006-06-06 | 2014-02-18 | Siemens Water Technologies Llc | Ultraviolet light activated oxidation process for the reduction of organic carbon in semiconductor process water |
| US12103874B2 (en) | 2006-06-06 | 2024-10-01 | Evoqua Water Technologies Llc | Ultraviolet light activated oxidation process for the reduction of organic carbon in semiconductor process water |
| US9365436B2 (en) * | 2007-04-03 | 2016-06-14 | Evoqua Water Technologies Llc | Method of irradiating a liquid |
| US8741155B2 (en) * | 2007-04-03 | 2014-06-03 | Evoqua Water Technologies Llc | Method and system for providing ultrapure water |
| US20080245737A1 (en) * | 2007-04-03 | 2008-10-09 | Siemens Water Technologies Corp. | Method and system for providing ultrapure water |
| US8961798B2 (en) * | 2007-04-03 | 2015-02-24 | Evoqua Water Technologies Llc | Method for measuring a concentration of a compound in a liquid stream |
| US8753522B2 (en) * | 2007-04-03 | 2014-06-17 | Evoqua Water Technologies Llc | System for controlling introduction of a reducing agent to a liquid stream |
| US9365435B2 (en) * | 2007-04-03 | 2016-06-14 | Evoqua Water Technologies Llc | Actinic radiation reactor |
| US9725343B2 (en) | 2007-04-03 | 2017-08-08 | Evoqua Water Technologies Llc | System and method for measuring and treating a liquid stream |
| US8591730B2 (en) * | 2009-07-30 | 2013-11-26 | Siemens Pte. Ltd. | Baffle plates for an ultraviolet reactor |
| CN103370401A (zh) | 2010-08-17 | 2013-10-23 | 安德里兹技术资产管理有限公司 | 用于木质纤维素材料烘焙的方法和系统 |
| EP2527301B1 (en) | 2011-05-26 | 2016-04-27 | Evoqua Water Technologies GmbH | Method and arrangement for a water treatment |
| WO2013003599A2 (en) * | 2011-06-28 | 2013-01-03 | Andritz Inc. | Method for the torrefaction of lignocellulosic material |
| US20130098751A1 (en) * | 2011-06-28 | 2013-04-25 | Andritz Inc. | Method for the torrefaction of lignocellulosic material |
| WO2013003615A2 (en) | 2011-06-28 | 2013-01-03 | Andritz Inc. | System for the torrefaction of lignocellulosic material |
| JP2014532096A (ja) * | 2011-09-21 | 2014-12-04 | アンドリッツ インコーポレーテッド | リグノセルロース材料の焙焼のための方法及びシステム |
| FR2982273B1 (fr) * | 2011-11-09 | 2014-03-14 | Commissariat Energie Atomique | Reacteur de sechage et de torrefaction de biomasse, de preference ligno-cellulosique |
| US11161762B2 (en) | 2015-01-21 | 2021-11-02 | Evoqua Water Technologies Llc | Advanced oxidation process for ex-situ groundwater remediation |
| CA2918564C (en) | 2015-01-21 | 2023-09-19 | Evoqua Water Technologies Llc | Advanced oxidation process for ex-situ groundwater remediation |
| CN107020041A (zh) * | 2016-01-29 | 2017-08-08 | 上海戴沃机械科技有限公司 | 一种矿用新型搅拌桶装置 |
| US12083526B1 (en) * | 2023-03-13 | 2024-09-10 | Namon A. Nassef | Waste stream homogenizing apparatus and method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1529919A (en) * | 1922-03-06 | 1925-03-17 | Stebbins Engineering And Mfg C | Pulp-bleaching method and apparatus |
| US2431478A (en) * | 1942-07-25 | 1947-11-25 | Raymond P Hill | Bleaching fibrous material |
| US2662821A (en) * | 1949-05-03 | 1953-12-15 | Celotex Corp | Fiber preparation device |
| US3041051A (en) * | 1959-08-10 | 1962-06-26 | Reiffen Ernst Alfred | Mixer |
| US3298900A (en) * | 1963-03-22 | 1967-01-17 | Kamyr Ab | Method and apparatus for the continuous bleaching of cellulosic pulp |
| FI41897B (fi) * | 1963-12-23 | 1969-12-01 | Kamyr Ab | |
| US3492199A (en) * | 1966-10-04 | 1970-01-27 | Fmc Corp | Bleaching fluffed mechanical wood pulp with hydrogen peroxide |
-
1969
- 1969-07-09 OA OA53668A patent/OA03094A/xx unknown
- 1969-07-10 DE DE1935067A patent/DE1935067C3/de not_active Expired
- 1969-07-10 NO NO02888/69A patent/NO128336B/no unknown
- 1969-07-10 FR FR6923422A patent/FR2012740A1/fr active Pending
- 1969-07-10 US US840639A patent/US3660225A/en not_active Expired - Lifetime
- 1969-07-10 ES ES369349A patent/ES369349A1/es not_active Expired
- 1969-07-10 FI FI692052A patent/FI45473C/fi active
-
1972
- 1972-01-27 US US00221263A patent/US3742735A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3742735A (en) | 1973-07-03 |
| DE1935067B2 (de) | 1974-08-15 |
| ES369349A1 (es) | 1972-03-16 |
| DE1935067C3 (de) | 1975-04-24 |
| OA03094A (fr) | 1970-12-15 |
| US3660225A (en) | 1972-05-02 |
| FI45473B (fi) | 1972-02-29 |
| FR2012740A1 (fi) | 1970-03-20 |
| FI45473C (fi) | 1972-06-12 |
| DE1935067A1 (de) | 1970-04-09 |
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