CA2971374C - Acid recovery from acid-rich solutions - Google Patents
Acid recovery from acid-rich solutions Download PDFInfo
- Publication number
- CA2971374C CA2971374C CA2971374A CA2971374A CA2971374C CA 2971374 C CA2971374 C CA 2971374C CA 2971374 A CA2971374 A CA 2971374A CA 2971374 A CA2971374 A CA 2971374A CA 2971374 C CA2971374 C CA 2971374C
- Authority
- CA
- Canada
- Prior art keywords
- acid
- solution
- organic
- insoluble
- rich
- 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.)
- Active
Links
- 239000002253 acid Substances 0.000 title claims abstract description 193
- 238000011084 recovery Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 55
- 230000008569 process Effects 0.000 claims abstract description 50
- 239000007800 oxidant agent Substances 0.000 claims abstract description 47
- 239000011368 organic material Substances 0.000 claims abstract description 42
- 239000005416 organic matter Substances 0.000 claims abstract description 27
- FHHJDRFHHWUPDG-UHFFFAOYSA-N peroxysulfuric acid Chemical compound OOS(O)(=O)=O FHHJDRFHHWUPDG-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000000926 separation method Methods 0.000 claims abstract description 15
- 239000000243 solution Substances 0.000 claims description 127
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 79
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 50
- 239000000203 mixture Substances 0.000 claims description 24
- 229920002678 cellulose Polymers 0.000 claims description 17
- 239000001913 cellulose Substances 0.000 claims description 14
- SRBFZHDQGSBBOR-IOVATXLUSA-N D-xylopyranose Chemical compound O[C@@H]1COC(O)[C@H](O)[C@H]1O SRBFZHDQGSBBOR-IOVATXLUSA-N 0.000 claims description 12
- JOOXCMJARBKPKM-UHFFFAOYSA-N 4-oxopentanoic acid Chemical compound CC(=O)CCC(O)=O JOOXCMJARBKPKM-UHFFFAOYSA-N 0.000 claims description 10
- NOEGNKMFWQHSLB-UHFFFAOYSA-N 5-hydroxymethylfurfural Chemical compound OCC1=CC=C(C=O)O1 NOEGNKMFWQHSLB-UHFFFAOYSA-N 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 8
- PYMYPHUHKUWMLA-UHFFFAOYSA-N arabinose Natural products OCC(O)C(O)C(O)C=O PYMYPHUHKUWMLA-UHFFFAOYSA-N 0.000 claims description 8
- SRBFZHDQGSBBOR-UHFFFAOYSA-N beta-D-Pyranose-Lyxose Natural products OC1COC(O)C(O)C1O SRBFZHDQGSBBOR-UHFFFAOYSA-N 0.000 claims description 8
- RJGBSYZFOCAGQY-UHFFFAOYSA-N hydroxymethylfurfural Natural products COC1=CC=C(C=O)O1 RJGBSYZFOCAGQY-UHFFFAOYSA-N 0.000 claims description 8
- 239000002198 insoluble material Substances 0.000 claims description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 claims description 6
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 5
- 239000008103 glucose Substances 0.000 claims description 5
- 229940040102 levulinic acid Drugs 0.000 claims description 5
- WQZGKKKJIJFFOK-QTVWNMPRSA-N D-mannopyranose Chemical compound OC[C@H]1OC(O)[C@@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-QTVWNMPRSA-N 0.000 claims description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 4
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 claims description 4
- 229930182830 galactose Natural products 0.000 claims description 4
- 238000010952 in-situ formation Methods 0.000 claims description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 4
- 229920005610 lignin Polymers 0.000 claims description 4
- 239000011707 mineral Substances 0.000 claims description 4
- 229910017604 nitric acid Inorganic materials 0.000 claims description 4
- 235000011007 phosphoric acid Nutrition 0.000 claims description 4
- SHZGCJCMOBCMKK-UHFFFAOYSA-N D-mannomethylose Natural products CC1OC(O)C(O)C(O)C1O SHZGCJCMOBCMKK-UHFFFAOYSA-N 0.000 claims description 3
- SHZGCJCMOBCMKK-JFNONXLTSA-N L-rhamnopyranose Chemical compound C[C@@H]1OC(O)[C@H](O)[C@H](O)[C@H]1O SHZGCJCMOBCMKK-JFNONXLTSA-N 0.000 claims description 3
- PNNNRSAQSRJVSB-UHFFFAOYSA-N L-rhamnose Natural products CC(O)C(O)C(O)C(O)C=O PNNNRSAQSRJVSB-UHFFFAOYSA-N 0.000 claims description 3
- WQZGKKKJIJFFOK-PHYPRBDBSA-N alpha-D-galactose Chemical compound OC[C@H]1O[C@H](O)[C@H](O)[C@@H](O)[C@H]1O WQZGKKKJIJFFOK-PHYPRBDBSA-N 0.000 claims description 3
- 229920003086 cellulose ether Polymers 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 2
- 239000004327 boric acid Substances 0.000 claims description 2
- ZYCMDWDFIQDPLP-UHFFFAOYSA-N hbr bromine Chemical compound Br.Br ZYCMDWDFIQDPLP-UHFFFAOYSA-N 0.000 claims description 2
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 claims description 2
- 235000011149 sulphuric acid Nutrition 0.000 claims description 2
- 150000001720 carbohydrates Chemical class 0.000 abstract description 35
- 235000014633 carbohydrates Nutrition 0.000 abstract description 34
- 229910010272 inorganic material Inorganic materials 0.000 abstract description 2
- 239000011147 inorganic material Substances 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 27
- 239000000463 material Substances 0.000 description 20
- 229910052799 carbon Inorganic materials 0.000 description 18
- 239000002243 precursor Substances 0.000 description 17
- 229920001046 Nanocellulose Polymers 0.000 description 15
- 239000003575 carbonaceous material Substances 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 11
- 238000009472 formulation Methods 0.000 description 11
- 238000007254 oxidation reaction Methods 0.000 description 11
- 241000894007 species Species 0.000 description 10
- 230000003647 oxidation Effects 0.000 description 9
- 238000000354 decomposition reaction Methods 0.000 description 8
- 230000007062 hydrolysis Effects 0.000 description 7
- 238000006460 hydrolysis reaction Methods 0.000 description 7
- 238000011065 in-situ storage Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 6
- -1 sulfuric acid Chemical class 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 150000007513 acids Chemical class 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 229920002488 Hemicellulose Polymers 0.000 description 4
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000002028 Biomass Substances 0.000 description 3
- 241000252506 Characiformes Species 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000004448 titration Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
- 238000005903 acid hydrolysis reaction Methods 0.000 description 2
- 239000011260 aqueous acid Substances 0.000 description 2
- PYMYPHUHKUWMLA-WDCZJNDASA-N arabinose Chemical class OC[C@@H](O)[C@@H](O)[C@H](O)C=O PYMYPHUHKUWMLA-WDCZJNDASA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000001311 chemical methods and process Methods 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000000413 hydrolysate Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 150000002772 monosaccharides Chemical class 0.000 description 2
- 239000008104 plant cellulose Substances 0.000 description 2
- XXQBEVHPUKOQEO-UHFFFAOYSA-N potassium superoxide Chemical compound [K+].[K+].[O-][O-] XXQBEVHPUKOQEO-UHFFFAOYSA-N 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002195 soluble material Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- GAKLFAZBKQGUBO-UHFFFAOYSA-N 2-methyl-3-nitrophenol Chemical class CC1=C(O)C=CC=C1[N+]([O-])=O GAKLFAZBKQGUBO-UHFFFAOYSA-N 0.000 description 1
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical compound CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 description 1
- GDDNTTHUKVNJRA-UHFFFAOYSA-N 3-bromo-3,3-difluoroprop-1-ene Chemical compound FC(F)(Br)C=C GDDNTTHUKVNJRA-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- AEMOLEFTQBMNLQ-YMDCURPLSA-N D-galactopyranuronic acid Chemical class OC1O[C@H](C(O)=O)[C@H](O)[C@H](O)[C@H]1O AEMOLEFTQBMNLQ-YMDCURPLSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- IAJILQKETJEXLJ-UHFFFAOYSA-N Galacturonsaeure Chemical class O=CC(O)C(O)C(O)C(O)C(O)=O IAJILQKETJEXLJ-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- ZJRXSAYFZMGQFP-UHFFFAOYSA-N barium peroxide Chemical compound [Ba+2].[O-][O-] ZJRXSAYFZMGQFP-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- YALMXYPQBUJUME-UHFFFAOYSA-L calcium chlorate Chemical compound [Ca+2].[O-]Cl(=O)=O.[O-]Cl(=O)=O YALMXYPQBUJUME-UHFFFAOYSA-L 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- LZDSILRDTDCIQT-UHFFFAOYSA-N dinitrogen trioxide Chemical compound [O-][N+](=O)N=O LZDSILRDTDCIQT-UHFFFAOYSA-N 0.000 description 1
- 150000002016 disaccharides Chemical class 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000000640 hydroxylating effect Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 239000000025 natural resin Substances 0.000 description 1
- 229920001542 oligosaccharide Polymers 0.000 description 1
- 150000002482 oligosaccharides Chemical class 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- VKJKEPKFPUWCAS-UHFFFAOYSA-M potassium chlorate Chemical compound [K+].[O-]Cl(=O)=O VKJKEPKFPUWCAS-UHFFFAOYSA-M 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- JNTOKFNBDFMTIV-UHFFFAOYSA-N propyl nitrate Chemical compound CCCO[N+]([O-])=O JNTOKFNBDFMTIV-UHFFFAOYSA-N 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 125000005372 silanol group Chemical group 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- UKLNMMHNWFDKNT-UHFFFAOYSA-M sodium chlorite Chemical compound [Na+].[O-]Cl=O UKLNMMHNWFDKNT-UHFFFAOYSA-M 0.000 description 1
- 229960002218 sodium chlorite Drugs 0.000 description 1
- BAZAXWOYCMUHIX-UHFFFAOYSA-M sodium perchlorate Chemical compound [Na+].[O-]Cl(=O)(=O)=O BAZAXWOYCMUHIX-UHFFFAOYSA-M 0.000 description 1
- 229910001488 sodium perchlorate Inorganic materials 0.000 description 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- JOHWNGGYGAVMGU-UHFFFAOYSA-N trifluorochlorine Chemical compound FCl(F)F JOHWNGGYGAVMGU-UHFFFAOYSA-N 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/90—Separation; Purification
- C01B17/905—Removal of organic impurities
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
- C01B15/055—Peroxyhydrates; Peroxyacids or salts thereof
- C01B15/06—Peroxyhydrates; Peroxyacids or salts thereof containing sulfur
- C01B15/08—Peroxysulfates
-
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IL236365 | 2014-12-21 | ||
| IL236365A IL236365A0 (en) | 2014-12-21 | 2014-12-21 | Recycling of acid from acid-rich aqueous solutions |
| PCT/IL2015/051223 WO2016103252A1 (en) | 2014-12-21 | 2015-12-16 | Acid recovery from acid-rich solutions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2971374A1 CA2971374A1 (en) | 2016-06-30 |
| CA2971374C true CA2971374C (en) | 2023-04-18 |
Family
ID=54347957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2971374A Active CA2971374C (en) | 2014-12-21 | 2015-12-16 | Acid recovery from acid-rich solutions |
Country Status (11)
| Country | Link |
|---|---|
| US (3) | US10287164B2 (enExample) |
| EP (1) | EP3233724B1 (enExample) |
| JP (1) | JP6752206B2 (enExample) |
| KR (1) | KR102508638B1 (enExample) |
| CN (1) | CN107207254B (enExample) |
| AU (1) | AU2015369544B2 (enExample) |
| BR (1) | BR112017013145B1 (enExample) |
| CA (1) | CA2971374C (enExample) |
| ES (1) | ES2826553T3 (enExample) |
| IL (2) | IL236365A0 (enExample) |
| WO (1) | WO2016103252A1 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL236365A0 (en) * | 2014-12-21 | 2015-04-30 | Melodea Ltd | Recycling of acid from acid-rich aqueous solutions |
| KR102132228B1 (ko) * | 2018-08-28 | 2020-07-10 | 전남대학교산학협력단 | 저순도 인산용액으로부터 고순도 인산염을 제조하는 방법 |
| CN110697661B (zh) * | 2019-09-25 | 2021-06-04 | 闽南师范大学 | 工业废水中稀硫酸的回收工艺 |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1842884A (en) * | 1929-08-31 | 1932-01-26 | Grasselli Chemical Co | Process of purifying sulphuric acid |
| US2631974A (en) | 1950-01-06 | 1953-03-17 | American Viscose Corp | Sulfuric acid recovery process |
| US3856673A (en) * | 1973-04-02 | 1974-12-24 | Air Prod & Chem | Purification of spent sulfuric acid |
| DE2616768C3 (de) * | 1976-04-15 | 1978-12-07 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Regeneration von Abfallschwefelsäure |
| CA1059943A (en) * | 1976-07-20 | 1979-08-07 | Pierre L. Claessens | Electrolytically forming peroxosulfuric acid to oxidize organic material in sulfuric acid |
| DE2632989A1 (de) * | 1976-07-22 | 1978-02-02 | Hoechst Ag | Verfahren zum regenerieren von schwefelsaeure |
| JPS5832003A (ja) * | 1981-08-13 | 1983-02-24 | Mitsubishi Metal Corp | 着色濃硫酸の脱色方法 |
| JP2631974B2 (ja) | 1986-09-01 | 1997-07-16 | リクイパツク・インタ−ナシヨナル・ベ−ヴエ− | コンテナスリーブに対し順次作業をする方法及び装置 |
| SE464299B (sv) * | 1988-11-16 | 1991-04-08 | Boliden Contech Ab | Foerfarande foer avfaergning av svavelsyra framstaelld enligt kontaktmetoden |
| DE19600810A1 (de) * | 1996-01-11 | 1997-07-17 | Wacker Chemie Gmbh | Verfahren zum Reinigen von Schwefelsäure |
| DE19614642C2 (de) * | 1996-02-22 | 2002-05-16 | Mcw Mueller Chemikalien Wertst | Verfahren zur Aufarbeitung von Abfall-Schwefelsäure |
| KR20010042375A (ko) * | 1998-03-31 | 2001-05-25 | 크라우스 케빈 비. | 폐기산 수거 |
| JP3856673B2 (ja) | 2001-09-04 | 2006-12-13 | シャープ株式会社 | スターリングエンジン |
| US7273599B2 (en) * | 2005-04-22 | 2007-09-25 | Servicios Industriales Penoles S.A. De C.V. | Method for decoloring sulfuric acid |
| DE102005049084A1 (de) * | 2005-10-13 | 2007-04-26 | Wacker Chemie Ag | Verfahren zur Regenerierung von Schwefelsäure |
| CN101157445A (zh) | 2007-09-18 | 2008-04-09 | 陈培豪 | 植物纤维素原料浓酸水解液中硫酸的回收方法 |
| CN102596800B (zh) | 2009-08-11 | 2015-03-04 | Fp创新研究中心 | 来自纳米晶体纤维素制备过程的废液流的分离 |
| EP2333151A1 (en) * | 2009-12-11 | 2011-06-15 | Nederlandse Organisatie voor toegepast -natuurwetenschappelijk onderzoek TNO | Novel method for processing lignocellulose containing material |
| JP5581069B2 (ja) | 2010-01-29 | 2014-08-27 | 株式会社藤井基礎設計事務所 | 酸回収方法、糖液の製造方法、及び発酵方法 |
| CA2838043A1 (en) * | 2011-06-10 | 2012-12-13 | Syngenta Participations Ag | Methods for treating lignocellulosic material |
| ITTO20110773A1 (it) * | 2011-08-24 | 2013-02-25 | Chemtex Italia S R L | Idrolisi acida di biomassa lignocellulosica con uso minimale di catalizzatore acido |
| CN102757021A (zh) * | 2012-08-08 | 2012-10-31 | 刘立文 | 一种使用过氧化氢对硫酸进行脱色的方法 |
| US20160355444A1 (en) * | 2013-12-31 | 2016-12-08 | University Of Saskatchewan | Biomass processing methods and systems |
| IL236365A0 (en) * | 2014-12-21 | 2015-04-30 | Melodea Ltd | Recycling of acid from acid-rich aqueous solutions |
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2014
- 2014-12-21 IL IL236365A patent/IL236365A0/en unknown
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2015
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- 2015-12-16 JP JP2017533023A patent/JP6752206B2/ja not_active Expired - Fee Related
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- 2015-12-16 CN CN201580074223.5A patent/CN107207254B/zh not_active Expired - Fee Related
- 2015-12-16 WO PCT/IL2015/051223 patent/WO2016103252A1/en not_active Ceased
- 2015-12-16 ES ES15831076T patent/ES2826553T3/es active Active
- 2015-12-16 KR KR1020177019960A patent/KR102508638B1/ko active Active
- 2015-12-16 CA CA2971374A patent/CA2971374C/en active Active
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| JP2018502813A (ja) | 2018-02-01 |
| AU2015369544B2 (en) | 2019-05-02 |
| CA2971374A1 (en) | 2016-06-30 |
| KR102508638B1 (ko) | 2023-03-13 |
| US20190225492A1 (en) | 2019-07-25 |
| IL236365A0 (en) | 2015-04-30 |
| IL252999B (en) | 2019-12-31 |
| ES2826553T3 (es) | 2021-05-18 |
| EP3233724B1 (en) | 2020-07-29 |
| WO2016103252A1 (en) | 2016-06-30 |
| US20170355602A1 (en) | 2017-12-14 |
| JP6752206B2 (ja) | 2020-09-09 |
| US11203527B2 (en) | 2021-12-21 |
| BR112017013145A2 (pt) | 2018-01-02 |
| EP3233724A1 (en) | 2017-10-25 |
| KR20170102270A (ko) | 2017-09-08 |
| US10287164B2 (en) | 2019-05-14 |
| AU2015369544A1 (en) | 2017-07-13 |
| CN107207254B (zh) | 2019-11-19 |
| CN107207254A (zh) | 2017-09-26 |
| US20200361771A1 (en) | 2020-11-19 |
| US10730750B2 (en) | 2020-08-04 |
| BR112017013145B1 (pt) | 2022-04-12 |
| IL252999A0 (en) | 2017-08-31 |
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