CA1301965C - Methode de traitement des eaux usees - Google Patents

Methode de traitement des eaux usees

Info

Publication number: CA1301965C
Authority: CA; Canada
Prior art keywords: catalyst; waste water; tio2; mol; zro2
Prior art date: 1987-08-19
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

CA000544862A

Other languages

English (en)

Inventor

Kiichiro Mitsui

Sadao Terui

Kunio Sano

Toshihide Kanzaki

Kazuyoshi Nishikawa

Akira Inoue

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.)

Nippon Shokubai Co Ltd

Original Assignee

Nippon Shokubai Co Ltd

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.)

1987-08-19

Filing date

1987-08-19

Publication date

1992-05-26

1987-08-19 Application filed by Nippon Shokubai Co Ltd filed Critical Nippon Shokubai Co Ltd

1987-08-19 Priority to CA000544862A priority Critical patent/CA1301965C/fr

1992-05-26 Application granted granted Critical

1992-05-26 Publication of CA1301965C publication Critical patent/CA1301965C/fr

2009-05-26 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

239000002351 wastewater Substances 0.000 title claims abstract description 92
238000011282 treatment Methods 0.000 title claims abstract description 47
238000000034 method Methods 0.000 title claims description 79
239000003054 catalyst Substances 0.000 claims abstract description 132
239000002131 composite material Substances 0.000 claims abstract description 37
229910052751 metal Inorganic materials 0.000 claims abstract description 31
239000002184 metal Substances 0.000 claims abstract description 30
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 24
239000001301 oxygen Substances 0.000 claims abstract description 24
229910052760 oxygen Inorganic materials 0.000 claims abstract description 24
239000007789 gas Substances 0.000 claims abstract description 23
150000001875 compounds Chemical class 0.000 claims abstract description 18
229910052719 titanium Inorganic materials 0.000 claims abstract description 18
229910052710 silicon Inorganic materials 0.000 claims abstract description 17
229910052763 palladium Inorganic materials 0.000 claims abstract description 13
238000009279 wet oxidation reaction Methods 0.000 claims abstract description 13
229910052697 platinum Inorganic materials 0.000 claims abstract description 12
229910052726 zirconium Inorganic materials 0.000 claims abstract description 12
229910052742 iron Inorganic materials 0.000 claims abstract description 11
229910052703 rhodium Inorganic materials 0.000 claims abstract description 10
229910052707 ruthenium Inorganic materials 0.000 claims abstract description 10
229910052741 iridium Inorganic materials 0.000 claims abstract description 9
150000002739 metals Chemical class 0.000 claims abstract description 9
229910052709 silver Inorganic materials 0.000 claims abstract description 9
229910052721 tungsten Inorganic materials 0.000 claims abstract description 9
229910052759 nickel Inorganic materials 0.000 claims abstract description 8
239000007791 liquid phase Substances 0.000 claims abstract description 4
MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 58
238000006243 chemical reaction Methods 0.000 claims description 55
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 40
GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 36
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 35
KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 27
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 25
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 21
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 20
229910052757 nitrogen Inorganic materials 0.000 claims description 20
239000000126 substance Substances 0.000 claims description 20
239000000203 mixture Substances 0.000 claims description 19
239000000377 silicon dioxide Substances 0.000 claims description 19
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
229910001868 water Inorganic materials 0.000 claims description 18
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 17
229910052681 coesite Inorganic materials 0.000 claims description 17
229910052906 cristobalite Inorganic materials 0.000 claims description 17
229910052682 stishovite Inorganic materials 0.000 claims description 17
239000010936 titanium Substances 0.000 claims description 17
229910052905 tridymite Inorganic materials 0.000 claims description 17
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 16
239000010703 silicon Substances 0.000 claims description 16
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 12
235000012239 silicon dioxide Nutrition 0.000 claims description 12
QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 11
229910017052 cobalt Inorganic materials 0.000 claims description 10
239000010941 cobalt Substances 0.000 claims description 10
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 10
KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 9
239000010948 rhodium Substances 0.000 claims description 9
MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 9
229910052684 Cerium Inorganic materials 0.000 claims description 8
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 claims description 8
229910052802 copper Inorganic materials 0.000 claims description 8
239000010949 copper Substances 0.000 claims description 8
GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 8
WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 8
239000004332 silver Substances 0.000 claims description 8
WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 8
239000010937 tungsten Substances 0.000 claims description 8
BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 7
239000001569 carbon dioxide Substances 0.000 claims description 6
229910002092 carbon dioxide Inorganic materials 0.000 claims description 6
VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 claims description 4
229910003082 TiO2-SiO2 Inorganic materials 0.000 claims description 3
239000011148 porous material Substances 0.000 claims 1
229910052748 manganese Inorganic materials 0.000 abstract 1
239000002244 precipitate Substances 0.000 description 18
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
239000000243 solution Substances 0.000 description 15
241000264877 Hippospongia communis Species 0.000 description 13
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 11
MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 11
229910001882 dioxygen Inorganic materials 0.000 description 11
230000000694 effects Effects 0.000 description 10
239000000843 powder Substances 0.000 description 9
239000007787 solid Substances 0.000 description 9
238000001354 calcination Methods 0.000 description 8
210000002421 cell wall Anatomy 0.000 description 8
238000001035 drying Methods 0.000 description 8
239000002245 particle Substances 0.000 description 8
229940095054 ammoniac Drugs 0.000 description 7
239000007800 oxidant agent Substances 0.000 description 7
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
239000007864 aqueous solution Substances 0.000 description 6
239000011218 binary composite Substances 0.000 description 6
239000010802 sludge Substances 0.000 description 6
XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 6
238000005406 washing Methods 0.000 description 6
239000012298 atmosphere Substances 0.000 description 5
238000000354 decomposition reaction Methods 0.000 description 5
239000000499 gel Substances 0.000 description 5
230000001965 increasing effect Effects 0.000 description 5
238000006864 oxidative decomposition reaction Methods 0.000 description 5
238000002360 preparation method Methods 0.000 description 5
235000011121 sodium hydroxide Nutrition 0.000 description 5
241000196324 Embryophyta Species 0.000 description 4
239000002253 acid Substances 0.000 description 4
239000002585 base Substances 0.000 description 4
239000011324 bead Substances 0.000 description 4
238000002156 mixing Methods 0.000 description 4
238000000465 moulding Methods 0.000 description 4
239000005416 organic matter Substances 0.000 description 4
238000001556 precipitation Methods 0.000 description 4
239000011369 resultant mixture Substances 0.000 description 4
229910001220 stainless steel Inorganic materials 0.000 description 4
239000010935 stainless steel Substances 0.000 description 4
239000002699 waste material Substances 0.000 description 4
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 3
229910021529 ammonia Inorganic materials 0.000 description 3
230000003197 catalytic effect Effects 0.000 description 3
238000002474 experimental method Methods 0.000 description 3
230000001939 inductive effect Effects 0.000 description 3
-1 nic~el Chemical compound 0.000 description 3
229910000510 noble metal Inorganic materials 0.000 description 3
CMOAHYOGLLEOGO-UHFFFAOYSA-N oxozirconium;dihydrochloride Chemical compound Cl.Cl.[Zr]=O CMOAHYOGLLEOGO-UHFFFAOYSA-N 0.000 description 3
239000008188 pellet Substances 0.000 description 3
150000003839 salts Chemical class 0.000 description 3
239000011206 ternary composite Substances 0.000 description 3
150000003609 titanium compounds Chemical class 0.000 description 3
229910000349 titanium oxysulfate Inorganic materials 0.000 description 3
150000003755 zirconium compounds Chemical class 0.000 description 3
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
239000000969 carrier Substances 0.000 description 2
238000001125 extrusion Methods 0.000 description 2
238000001914 filtration Methods 0.000 description 2
229910001385 heavy metal Inorganic materials 0.000 description 2
230000014759 maintenance of location Effects 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
229910021645 metal ion Inorganic materials 0.000 description 2
150000002894 organic compounds Chemical class 0.000 description 2
GPNDARIEYHPYAY-UHFFFAOYSA-N palladium(ii) nitrate Chemical compound [Pd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O GPNDARIEYHPYAY-UHFFFAOYSA-N 0.000 description 2
239000012071 phase Substances 0.000 description 2
239000000047 product Substances 0.000 description 2
239000011541 reaction mixture Substances 0.000 description 2
239000010865 sewage Substances 0.000 description 2
RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 2
NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
239000007858 starting material Substances 0.000 description 2
239000004408 titanium dioxide Substances 0.000 description 2
VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 description 2
230000001052 transient effect Effects 0.000 description 2
VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 1
241000894006 Bacteria Species 0.000 description 1
241000195493 Cryptophyta Species 0.000 description 1
NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
239000004115 Sodium Silicate Substances 0.000 description 1
229920002472 Starch Polymers 0.000 description 1
238000002441 X-ray diffraction Methods 0.000 description 1
229910006213 ZrOCl2 Inorganic materials 0.000 description 1
230000002378 acidificating effect Effects 0.000 description 1
238000013019 agitation Methods 0.000 description 1
239000003513 alkali Substances 0.000 description 1
229910052784 alkaline earth metal Inorganic materials 0.000 description 1
150000001341 alkaline earth metal compounds Chemical class 0.000 description 1
150000001342 alkaline earth metals Chemical class 0.000 description 1
150000003863 ammonium salts Chemical class 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
125000003118 aryl group Chemical group 0.000 description 1
238000002306 biochemical method Methods 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
XFVGXQSSXWIWIO-UHFFFAOYSA-N chloro hypochlorite;titanium Chemical compound [Ti].ClOCl XFVGXQSSXWIWIO-UHFFFAOYSA-N 0.000 description 1
239000008119 colloidal silica Substances 0.000 description 1
239000012050 conventional carrier Substances 0.000 description 1
230000007812 deficiency Effects 0.000 description 1
230000002950 deficient Effects 0.000 description 1
230000008021 deposition Effects 0.000 description 1
238000001784 detoxification Methods 0.000 description 1
238000007865 diluting Methods 0.000 description 1
230000003467 diminishing effect Effects 0.000 description 1
238000004090 dissolution Methods 0.000 description 1
238000000855 fermentation Methods 0.000 description 1
230000004151 fermentation Effects 0.000 description 1
235000013305 food Nutrition 0.000 description 1
239000008187 granular material Substances 0.000 description 1
150000004820 halides Chemical class 0.000 description 1
230000007062 hydrolysis Effects 0.000 description 1
238000006460 hydrolysis reaction Methods 0.000 description 1
150000004679 hydroxides Chemical class 0.000 description 1
238000005470 impregnation Methods 0.000 description 1
239000010842 industrial wastewater Substances 0.000 description 1
229910021331 inorganic silicon compound Inorganic materials 0.000 description 1
238000009434 installation Methods 0.000 description 1
238000004898 kneading Methods 0.000 description 1
239000000463 material Substances 0.000 description 1
150000002736 metal compounds Chemical class 0.000 description 1
230000003472 neutralizing effect Effects 0.000 description 1
150000002823 nitrates Chemical class 0.000 description 1
UJVRJBAUJYZFIX-UHFFFAOYSA-N nitric acid;oxozirconium Chemical compound [Zr]=O.O[N+]([O-])=O.O[N+]([O-])=O UJVRJBAUJYZFIX-UHFFFAOYSA-N 0.000 description 1
229910000069 nitrogen hydride Inorganic materials 0.000 description 1
239000003921 oil Substances 0.000 description 1
150000003891 oxalate salts Chemical class 0.000 description 1
BBJSDUUHGVDNKL-UHFFFAOYSA-J oxalate;titanium(4+) Chemical compound [Ti+4].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O BBJSDUUHGVDNKL-UHFFFAOYSA-J 0.000 description 1
DAWBXZHBYOYVLB-UHFFFAOYSA-J oxalate;zirconium(4+) Chemical compound [Zr+4].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O DAWBXZHBYOYVLB-UHFFFAOYSA-J 0.000 description 1
230000001590 oxidative effect Effects 0.000 description 1
239000012476 oxidizable substance Substances 0.000 description 1
DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 description 1
150000002978 peroxides Chemical class 0.000 description 1
238000006116 polymerization reaction Methods 0.000 description 1
235000019353 potassium silicate Nutrition 0.000 description 1
239000002994 raw material Substances 0.000 description 1
230000003014 reinforcing effect Effects 0.000 description 1
238000000926 separation method Methods 0.000 description 1
239000010801 sewage sludge Substances 0.000 description 1
239000000741 silica gel Substances 0.000 description 1
229910002027 silica gel Inorganic materials 0.000 description 1
150000003377 silicon compounds Chemical class 0.000 description 1
239000005049 silicon tetrachloride Substances 0.000 description 1
229910052911 sodium silicate Inorganic materials 0.000 description 1
239000011973 solid acid Substances 0.000 description 1
235000019698 starch Nutrition 0.000 description 1
239000008107 starch Substances 0.000 description 1
150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
239000006228 supernatant Substances 0.000 description 1
239000004094 surface-active agent Substances 0.000 description 1
238000009283 thermal hydrolysis Methods 0.000 description 1
229910000348 titanium sulfate Inorganic materials 0.000 description 1
239000002912 waste gas Substances 0.000 description 1
ZXAUZSQITFJWPS-UHFFFAOYSA-J zirconium(4+);disulfate Chemical compound [Zr+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZXAUZSQITFJWPS-UHFFFAOYSA-J 0.000 description 1

Landscapes

Catalysts (AREA)
Treatment Of Water By Oxidation Or Reduction (AREA)

CA000544862A 1987-08-19 1987-08-19 Methode de traitement des eaux usees Expired - Fee Related CA1301965C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000544862A CA1301965C (fr)	1987-08-19	1987-08-19	Methode de traitement des eaux usees

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA000544862A CA1301965C (fr)	1987-08-19	1987-08-19	Methode de traitement des eaux usees

Publications (1)

Publication Number	Publication Date
CA1301965C true CA1301965C (fr)	1992-05-26

Family

ID=4136301

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000544862A Expired - Fee Related CA1301965C (fr)	1987-08-19	1987-08-19	Methode de traitement des eaux usees

Country Status (1)

Country	Link
CA (1)	CA1301965C (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN113526716A (zh) *	2020-04-15	2021-10-22	四川运辉环保工程有限公司	一种高氨氮废水的降氨氮处理工艺
CN114425319A (zh) *	2020-10-15	2022-05-03	中国石油化工股份有限公司	湿式氧化催化剂及其制备方法
CN115414952A (zh) *	2022-08-22	2022-12-02	中国五环工程有限公司	一种合成乙醇酸甲酯的多组分加氢催化剂及制备方法
CN115475619A (zh) *	2021-06-16	2022-12-16	中国石油化工股份有限公司	一种湿式氧化催化剂及其制备方法和应用
CN116462303A (zh) *	2023-04-28	2023-07-21	湖南中天元环境工程有限公司	一种催化湿式氧化复配均相催化剂及其制备方法和应用

1987
- 1987-08-19 CA CA000544862A patent/CA1301965C/fr not_active Expired - Fee Related

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN113526716A (zh) *	2020-04-15	2021-10-22	四川运辉环保工程有限公司	一种高氨氮废水的降氨氮处理工艺
CN114425319A (zh) *	2020-10-15	2022-05-03	中国石油化工股份有限公司	湿式氧化催化剂及其制备方法
CN114425319B (zh) *	2020-10-15	2023-08-04	中国石油化工股份有限公司	湿式氧化催化剂及其制备方法
CN115475619A (zh) *	2021-06-16	2022-12-16	中国石油化工股份有限公司	一种湿式氧化催化剂及其制备方法和应用
CN115475619B (zh) *	2021-06-16	2024-03-29	中国石油化工股份有限公司	一种湿式氧化催化剂及其制备方法和应用
CN115414952A (zh) *	2022-08-22	2022-12-02	中国五环工程有限公司	一种合成乙醇酸甲酯的多组分加氢催化剂及制备方法
CN115414952B (zh) *	2022-08-22	2023-09-12	中国五环工程有限公司	一种合成乙醇酸甲酯的多组分加氢催化剂及制备方法
CN116462303A (zh) *	2023-04-28	2023-07-21	湖南中天元环境工程有限公司	一种催化湿式氧化复配均相催化剂及其制备方法和应用

Legal Events

Date	Code	Title	Description
2008-05-26	MKLA	Lapsed

Publication	Publication Date	Title
CA1301964C (fr)	1992-05-26	Methode de traitement des eaux usees
EP0431932B1 (fr)	1994-07-27	Procédé pour le traitement d'eau usée
US5192452A (en)	1993-03-09	Catalyst for water treatment
US5430230A (en)	1995-07-04	Method for disposing of organohalogen compounds by oxidative decomposition
Imamura et al.	1988	Wet oxidation catalyzed by ruthenium supported on cerium (IV) oxides
Cybulski	2007	Catalytic wet air oxidation: are monolithic catalysts and reactors feasible?
US5770093A (en)	1998-06-23	Catalyst for treatment of waste water, method for production thereof and method for treatment of waste water therewith
US7857981B2 (en)	2010-12-28	Bimetallic catalyst for the treatment of water containing nitrates
JPH0724774B2 (ja)	1995-03-22	排ガス処理触媒用担体、その製造方法ならびに該担体を含有してなる排ガス処理用触媒
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