CA2135826C - Procede d'elimination des constituants inorganiques formant des cendres a l'inflammation et des dechets huileux du papier recycle - Google Patents

Procede d'elimination des constituants inorganiques formant des cendres a l'inflammation et des dechets huileux du papier recycle Download PDF

Info

Publication number: CA2135826C
Authority: CA; Canada
Prior art keywords: organoclay; wastepaper; cation; aqueous system; clays
Prior art date: 1994-11-15
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 - Fee Related

Application number

CA 2135826

Other languages

English (en)

Other versions

CA2135826A1 (fr

Inventor

Edward D. Magauran

Charles A. Cody

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Individual

Original Assignee

Individual

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.)

1994-11-15

Filing date

1994-11-15

Publication date

2001-05-08

1994-11-15 Application filed by Individual filed Critical Individual

1994-11-15 Priority to CA 2135826 priority Critical patent/CA2135826C/fr

1996-05-16 Publication of CA2135826A1 publication Critical patent/CA2135826A1/fr

2001-05-08 Application granted granted Critical

2001-05-08 Publication of CA2135826C publication Critical patent/CA2135826C/fr

2014-11-15 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 98
230000008569 process Effects 0.000 title claims abstract description 75
239000002699 waste material Substances 0.000 title claims abstract description 56
238000004064 recycling Methods 0.000 title description 10
239000010893 paper waste Substances 0.000 claims abstract description 118
239000000203 mixture Substances 0.000 claims abstract description 31
238000005406 washing Methods 0.000 claims abstract description 16
229920001131 Pulp (paper) Polymers 0.000 claims abstract description 15
150000003863 ammonium salts Chemical class 0.000 claims description 72
239000004927 clay Substances 0.000 claims description 70
NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 34
238000011065 in-situ storage Methods 0.000 claims description 32
239000000356 contaminant Substances 0.000 claims description 30
KWLMIXQRALPRBC-UHFFFAOYSA-L hectorite Chemical compound [Li+].[OH-].[OH-].[Na+].[Mg+2].O1[Si]2([O-])O[Si]1([O-])O[Si]([O-])(O1)O[Si]1([O-])O2 KWLMIXQRALPRBC-UHFFFAOYSA-L 0.000 claims description 27
229910000271 hectorite Inorganic materials 0.000 claims description 27
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
238000004537 pulping Methods 0.000 claims description 19
235000019270 ammonium chloride Nutrition 0.000 claims description 16
230000002209 hydrophobic effect Effects 0.000 claims description 14
239000000440 bentonite Substances 0.000 claims description 11
229910000278 bentonite Inorganic materials 0.000 claims description 11
SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 11
238000005341 cation exchange Methods 0.000 claims description 11
-1 dimethyl dehydrogenated ammonium chloride Chemical class 0.000 claims description 10
239000003760 tallow Substances 0.000 claims description 10
125000001931 aliphatic group Chemical group 0.000 claims description 8
125000004432 carbon atom Chemical group C* 0.000 claims description 8
NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 8
229960000892 attapulgite Drugs 0.000 claims description 7
229910052622 kaolinite Inorganic materials 0.000 claims description 7
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 7
238000002156 mixing Methods 0.000 claims description 7
229910052625 palygorskite Inorganic materials 0.000 claims description 7
IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 6
125000003118 aryl group Chemical group 0.000 claims description 6
125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims description 5
239000010455 vermiculite Substances 0.000 claims description 5
229910052902 vermiculite Inorganic materials 0.000 claims description 5
235000019354 vermiculite Nutrition 0.000 claims description 5
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
229910052739 hydrogen Inorganic materials 0.000 claims description 3
239000001257 hydrogen Substances 0.000 claims description 3
150000001768 cations Chemical class 0.000 claims description 2
238000011084 recovery Methods 0.000 claims description 2
150000003839 salts Chemical class 0.000 claims description 2
239000007795 chemical reaction product Substances 0.000 claims 14
229910000275 saponite Inorganic materials 0.000 claims 2
239000007921 spray Substances 0.000 claims 2
238000005188 flotation Methods 0.000 abstract description 35
239000000123 paper Substances 0.000 description 64
239000000976 ink Substances 0.000 description 37
239000003795 chemical substances by application Substances 0.000 description 29
239000002002 slurry Substances 0.000 description 21
239000004094 surface-active agent Substances 0.000 description 21
239000003921 oil Substances 0.000 description 19
235000019198 oils Nutrition 0.000 description 19
239000000654 additive Substances 0.000 description 18
238000000576 coating method Methods 0.000 description 18
239000000463 material Substances 0.000 description 16
239000002761 deinking Substances 0.000 description 13
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
239000011248 coating agent Substances 0.000 description 10
239000000945 filler Substances 0.000 description 10
229910000831 Steel Inorganic materials 0.000 description 9
239000002245 particle Substances 0.000 description 9
239000000047 product Substances 0.000 description 9
239000010959 steel Substances 0.000 description 9
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 8
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 8
GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 8
239000002655 kraft paper Substances 0.000 description 8
238000004519 manufacturing process Methods 0.000 description 7
JKXYOQDLERSFPT-UHFFFAOYSA-N 2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-[2-(2-octadecoxyethoxy)ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethanol Chemical compound CCCCCCCCCCCCCCCCCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCO JKXYOQDLERSFPT-UHFFFAOYSA-N 0.000 description 6
YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
239000000835 fiber Substances 0.000 description 6
239000000126 substance Substances 0.000 description 6
238000006243 chemical reaction Methods 0.000 description 5
238000005187 foaming Methods 0.000 description 5
238000011068 loading method Methods 0.000 description 5
239000011087 paperboard Substances 0.000 description 5
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
239000004115 Sodium Silicate Substances 0.000 description 4
150000001338 aliphatic hydrocarbons Chemical class 0.000 description 4
238000009472 formulation Methods 0.000 description 4
NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 4
229910052911 sodium silicate Inorganic materials 0.000 description 4
239000004408 titanium dioxide Substances 0.000 description 4
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
230000000996 additive effect Effects 0.000 description 3
239000012736 aqueous medium Substances 0.000 description 3
229910000019 calcium carbonate Inorganic materials 0.000 description 3
239000004359 castor oil Substances 0.000 description 3
235000019438 castor oil Nutrition 0.000 description 3
235000014113 dietary fatty acids Nutrition 0.000 description 3
239000000194 fatty acid Substances 0.000 description 3
229930195729 fatty acid Natural products 0.000 description 3
ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 3
239000002609 medium Substances 0.000 description 3
239000000049 pigment Substances 0.000 description 3
238000012545 processing Methods 0.000 description 3
150000003856 quaternary ammonium compounds Chemical class 0.000 description 3
125000001453 quaternary ammonium group Chemical group 0.000 description 3
150000003242 quaternary ammonium salts Chemical class 0.000 description 3
238000004513 sizing Methods 0.000 description 3
239000000344 soap Substances 0.000 description 3
238000012360 testing method Methods 0.000 description 3
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
229910021536 Zeolite Inorganic materials 0.000 description 2
150000003868 ammonium compounds Chemical class 0.000 description 2
150000001450 anions Chemical class 0.000 description 2
230000008901 benefit Effects 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
239000007767 bonding agent Substances 0.000 description 2
150000001875 compounds Chemical class 0.000 description 2
HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
239000006185 dispersion Substances 0.000 description 2
238000001914 filtration Methods 0.000 description 2
239000012467 final product Substances 0.000 description 2
125000001183 hydrocarbyl group Chemical group 0.000 description 2
230000006872 improvement Effects 0.000 description 2
239000012535 impurity Substances 0.000 description 2
229910010272 inorganic material Inorganic materials 0.000 description 2
239000011147 inorganic material Substances 0.000 description 2
229910052500 inorganic mineral Inorganic materials 0.000 description 2
PHTQWCKDNZKARW-UHFFFAOYSA-N isoamylol Chemical compound CC(C)CCO PHTQWCKDNZKARW-UHFFFAOYSA-N 0.000 description 2
239000011707 mineral Substances 0.000 description 2
235000010755 mineral Nutrition 0.000 description 2
150000002892 organic cations Chemical class 0.000 description 2
239000007787 solid Substances 0.000 description 2
235000012424 soybean oil Nutrition 0.000 description 2
239000000454 talc Substances 0.000 description 2
229910052623 talc Inorganic materials 0.000 description 2
150000003512 tertiary amines Chemical class 0.000 description 2
239000010457 zeolite Substances 0.000 description 2
WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-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
QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 description 1
239000005695 Ammonium acetate Substances 0.000 description 1
CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
244000068988 Glycine max Species 0.000 description 1
235000010469 Glycine max Nutrition 0.000 description 1
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
QPCDCPDFJACHGM-UHFFFAOYSA-N N,N-bis{2-[bis(carboxymethyl)amino]ethyl}glycine Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC(O)=O QPCDCPDFJACHGM-UHFFFAOYSA-N 0.000 description 1
229910000503 Na-aluminosilicate Inorganic materials 0.000 description 1
IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 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
239000008896 Opium Substances 0.000 description 1
235000019482 Palm oil Nutrition 0.000 description 1
VBIIFPGSPJYLRR-UHFFFAOYSA-M Stearyltrimethylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)C VBIIFPGSPJYLRR-UHFFFAOYSA-M 0.000 description 1
LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
239000002250 absorbent Substances 0.000 description 1
230000002745 absorbent Effects 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
230000002411 adverse Effects 0.000 description 1
238000013019 agitation Methods 0.000 description 1
229940037003 alum Drugs 0.000 description 1
150000001412 amines Chemical class 0.000 description 1
229940043376 ammonium acetate Drugs 0.000 description 1
235000019257 ammonium acetate Nutrition 0.000 description 1
239000010775 animal oil Substances 0.000 description 1
AGEZXYOZHKGVCM-UHFFFAOYSA-N benzyl bromide Chemical compound BrCC1=CC=CC=C1 AGEZXYOZHKGVCM-UHFFFAOYSA-N 0.000 description 1
KCXMKQUNVWSEMD-UHFFFAOYSA-N benzyl chloride Chemical compound ClCC1=CC=CC=C1 KCXMKQUNVWSEMD-UHFFFAOYSA-N 0.000 description 1
229940073608 benzyl chloride Drugs 0.000 description 1
AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
239000000920 calcium hydroxide Substances 0.000 description 1
229910001861 calcium hydroxide Inorganic materials 0.000 description 1
235000011116 calcium hydroxide Nutrition 0.000 description 1
239000000378 calcium silicate Substances 0.000 description 1
229910052918 calcium silicate Inorganic materials 0.000 description 1
OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
229920002678 cellulose Polymers 0.000 description 1
239000001913 cellulose Substances 0.000 description 1
230000008859 change Effects 0.000 description 1
239000002738 chelating agent Substances 0.000 description 1
235000019504 cigarettes Nutrition 0.000 description 1
239000003240 coconut oil Substances 0.000 description 1
235000019864 coconut oil Nutrition 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
239000002285 corn oil Substances 0.000 description 1
235000005687 corn oil Nutrition 0.000 description 1
238000005260 corrosion Methods 0.000 description 1
230000007797 corrosion Effects 0.000 description 1
235000012343 cottonseed oil Nutrition 0.000 description 1
239000002385 cottonseed oil Substances 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000013461 design Methods 0.000 description 1
239000003599 detergent Substances 0.000 description 1
238000002845 discoloration Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
239000000839 emulsion Substances 0.000 description 1
230000007613 environmental effect Effects 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
239000003925 fat Substances 0.000 description 1
235000019197 fats Nutrition 0.000 description 1
150000004665 fatty acids Chemical class 0.000 description 1
239000002657 fibrous material Substances 0.000 description 1
239000006260 foam Substances 0.000 description 1
239000004088 foaming agent Substances 0.000 description 1
235000013305 food Nutrition 0.000 description 1
239000008233 hard water Substances 0.000 description 1
XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
238000005984 hydrogenation reaction Methods 0.000 description 1
125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
238000010952 in-situ formation Methods 0.000 description 1
239000004615 ingredient Substances 0.000 description 1
238000005342 ion exchange Methods 0.000 description 1
239000002563 ionic surfactant Substances 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
239000007788 liquid Substances 0.000 description 1
230000002879 macerating effect Effects 0.000 description 1
HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
239000000391 magnesium silicate Substances 0.000 description 1
229910052919 magnesium silicate Inorganic materials 0.000 description 1
235000019792 magnesium silicate Nutrition 0.000 description 1
239000011159 matrix material Substances 0.000 description 1
230000007246 mechanism Effects 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
WCYWZMWISLQXQU-UHFFFAOYSA-N methyl Chemical compound [CH3] WCYWZMWISLQXQU-UHFFFAOYSA-N 0.000 description 1
CXKWCBBOMKCUKX-UHFFFAOYSA-M methylene blue Chemical compound [Cl-].C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 CXKWCBBOMKCUKX-UHFFFAOYSA-M 0.000 description 1
229960000907 methylthioninium chloride Drugs 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000002402 nanowire electron scattering Methods 0.000 description 1
150000002825 nitriles Chemical class 0.000 description 1
ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
239000003605 opacifier Substances 0.000 description 1
229960001027 opium Drugs 0.000 description 1
239000002540 palm oil Substances 0.000 description 1
230000035515 penetration Effects 0.000 description 1
229960003330 pentetic acid Drugs 0.000 description 1
XYFCBTPGUUZFHI-UHFFFAOYSA-O phosphonium Chemical compound [PH4+] XYFCBTPGUUZFHI-UHFFFAOYSA-O 0.000 description 1
229920000642 polymer Polymers 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
150000003254 radicals Chemical class 0.000 description 1
239000002994 raw material Substances 0.000 description 1
230000009467 reduction Effects 0.000 description 1
238000006722 reduction reaction Methods 0.000 description 1
238000005932 reductive alkylation reaction Methods 0.000 description 1
230000002829 reductive effect Effects 0.000 description 1
238000012552 review Methods 0.000 description 1
150000003335 secondary amines Chemical class 0.000 description 1
230000035945 sensitivity Effects 0.000 description 1
239000010802 sludge Substances 0.000 description 1
229910021647 smectite Inorganic materials 0.000 description 1
239000000429 sodium aluminium silicate Substances 0.000 description 1
235000012217 sodium aluminium silicate Nutrition 0.000 description 1
URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
239000002904 solvent Substances 0.000 description 1
239000003549 soybean oil Substances 0.000 description 1
241000894007 species Species 0.000 description 1
239000012906 subvisible particle Substances 0.000 description 1
239000000725 suspension Substances 0.000 description 1
238000010408 sweeping Methods 0.000 description 1
239000003784 tall oil Substances 0.000 description 1
150000003573 thiols Chemical class 0.000 description 1
235000015112 vegetable and seed oil Nutrition 0.000 description 1
239000008158 vegetable oil Substances 0.000 description 1
239000012905 visible particle Substances 0.000 description 1
239000000080 wetting agent Substances 0.000 description 1
239000002023 wood Substances 0.000 description 1
239000004711 α-olefin 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
- 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
- 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
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
- 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

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)

CA 2135826 1994-11-15 1994-11-15 Procede d'elimination des constituants inorganiques formant des cendres a l'inflammation et des dechets huileux du papier recycle Expired - Fee Related CA2135826C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA 2135826 CA2135826C (fr)	1994-11-15	1994-11-15	Procede d'elimination des constituants inorganiques formant des cendres a l'inflammation et des dechets huileux du papier recycle

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA 2135826 CA2135826C (fr)	1994-11-15	1994-11-15	Procede d'elimination des constituants inorganiques formant des cendres a l'inflammation et des dechets huileux du papier recycle

Publications (2)

Publication Number	Publication Date
CA2135826A1 CA2135826A1 (fr)	1996-05-16
CA2135826C true CA2135826C (fr)	2001-05-08

Family

ID=4154668

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2135826 Expired - Fee Related CA2135826C (fr)	1994-11-15	1994-11-15	Procede d'elimination des constituants inorganiques formant des cendres a l'inflammation et des dechets huileux du papier recycle

Country Status (1)

Country	Link
CA (1)	CA2135826C (fr)

1994
- 1994-11-15 CA CA 2135826 patent/CA2135826C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
CA2135826A1 (fr)	1996-05-16

Legal Events

Date	Code	Title	Description
1996-01-09	EEER	Examination request
2007-11-15	MKLA	Lapsed

Publication	Publication Date	Title
US5389200A (en)	1995-02-14	Process for removing inorganic components that form ash on ignition and oily waste from paper during recycling
AU662694B2 (en)	1995-09-07	Process for deinking wastepaper utilizing organoclays formed in situ
CA2067446C (fr)	2000-09-05	Procede de desencrage
US4561933A (en)	1985-12-31	Xerographics deinking
US4586982A (en)	1986-05-06	Process for the de-inking of printed waste paper
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