CN110354880A - 一种锶铋氧-碳酸锶复合光催化剂及其制备方法和催化还原六价铬的应用 - Google Patents
一种锶铋氧-碳酸锶复合光催化剂及其制备方法和催化还原六价铬的应用 Download PDFInfo
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- CN110354880A CN110354880A CN201910716291.7A CN201910716291A CN110354880A CN 110354880 A CN110354880 A CN 110354880A CN 201910716291 A CN201910716291 A CN 201910716291A CN 110354880 A CN110354880 A CN 110354880A
- Authority
- CN
- China
- Prior art keywords
- strontium
- catalyst
- composite photo
- strontium carbonate
- bismuth oxygen
- 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.)
- Granted
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 102
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 99
- -1 strontium bismuth oxygen-strontium carbonate Chemical compound 0.000 title claims abstract description 82
- 230000009467 reduction Effects 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000006555 catalytic reaction Methods 0.000 title claims abstract description 14
- 229910000018 strontium carbonate Inorganic materials 0.000 claims abstract description 50
- 238000006722 reduction reaction Methods 0.000 claims abstract description 45
- BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 claims abstract description 26
- 229910052712 strontium Inorganic materials 0.000 claims abstract description 16
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 15
- DHEQXMRUPNDRPG-UHFFFAOYSA-N strontium nitrate Chemical compound [Sr+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O DHEQXMRUPNDRPG-UHFFFAOYSA-N 0.000 claims description 28
- 150000001621 bismuth Chemical class 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000010792 warming Methods 0.000 claims description 4
- 239000012295 chemical reaction liquid Substances 0.000 claims description 3
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 3
- CJJMLLCUQDSZIZ-UHFFFAOYSA-N oxobismuth Chemical compound [Bi]=O CJJMLLCUQDSZIZ-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- BHKCFECVUIBFSY-UHFFFAOYSA-N [Bi]=O.[Sr] Chemical compound [Bi]=O.[Sr] BHKCFECVUIBFSY-UHFFFAOYSA-N 0.000 abstract description 20
- 239000011651 chromium Substances 0.000 abstract description 20
- 230000001699 photocatalysis Effects 0.000 abstract description 20
- 239000003054 catalyst Substances 0.000 abstract description 9
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract description 8
- 230000004087 circulation Effects 0.000 abstract description 7
- 230000003197 catalytic effect Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 6
- 238000010531 catalytic reduction reaction Methods 0.000 abstract description 3
- 238000002474 experimental method Methods 0.000 description 15
- 239000003795 chemical substances by application Substances 0.000 description 10
- 238000007146 photocatalysis Methods 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000011259 mixed solution Substances 0.000 description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 6
- 230000005855 radiation Effects 0.000 description 6
- 229910052797 bismuth Inorganic materials 0.000 description 5
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 5
- 229910052804 chromium Inorganic materials 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 239000008367 deionised water Substances 0.000 description 5
- 229910021641 deionized water Inorganic materials 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 238000000634 powder X-ray diffraction Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 235000019441 ethanol Nutrition 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000013065 commercial product Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000000985 reflectance spectrum Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910002915 BiVO4 Inorganic materials 0.000 description 1
- 206010070834 Sensitisation Diseases 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- PYVVCXKMLKKUOO-UHFFFAOYSA-N [Bi]=O.[C] Chemical compound [Bi]=O.[C] PYVVCXKMLKKUOO-UHFFFAOYSA-N 0.000 description 1
- VNSWULZVUKFJHK-UHFFFAOYSA-N [Sr].[Bi] Chemical compound [Sr].[Bi] VNSWULZVUKFJHK-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 159000000008 strontium salts Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/10—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by subjecting to electric or wave energy or particle or ionizing radiation
- A62D3/17—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by subjecting to electric or wave energy or particle or ionizing radiation to electromagnetic radiation, e.g. emitted by a laser
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/20—Carbon compounds
- B01J27/232—Carbonates
-
- B01J35/39—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/10—Heat treatment in the presence of water, e.g. steam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/16—Reducing
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
- A62D2101/40—Inorganic substances
- A62D2101/43—Inorganic substances containing heavy metals, in the bonded or free state
-
- 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
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Abstract
Description
Claims (10)
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CN201910716291.7A CN110354880B (zh) | 2019-08-05 | 2019-08-05 | 一种锶铋氧-碳酸锶复合光催化剂及其制备方法和催化还原六价铬的应用 |
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CN201910716291.7A CN110354880B (zh) | 2019-08-05 | 2019-08-05 | 一种锶铋氧-碳酸锶复合光催化剂及其制备方法和催化还原六价铬的应用 |
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CN110354880A true CN110354880A (zh) | 2019-10-22 |
CN110354880B CN110354880B (zh) | 2022-06-07 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105833890A (zh) * | 2016-03-30 | 2016-08-10 | 重庆工商大学 | 可见光型复合光催化剂及其制备方法 |
WO2016185042A1 (de) * | 2015-05-20 | 2016-11-24 | H1 Energy B.V. | Photokatalysator |
CN106807424A (zh) * | 2017-03-14 | 2017-06-09 | 重庆工商大学 | 一种碳酸盐‑碘氧化铋复合催化剂及其制备方法 |
CN109319840A (zh) * | 2018-11-15 | 2019-02-12 | 北京工业大学 | 一种制备铌酸锶/碳酸锶复合纳米材料的方法 |
-
2019
- 2019-08-05 CN CN201910716291.7A patent/CN110354880B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016185042A1 (de) * | 2015-05-20 | 2016-11-24 | H1 Energy B.V. | Photokatalysator |
CN105833890A (zh) * | 2016-03-30 | 2016-08-10 | 重庆工商大学 | 可见光型复合光催化剂及其制备方法 |
CN106807424A (zh) * | 2017-03-14 | 2017-06-09 | 重庆工商大学 | 一种碳酸盐‑碘氧化铋复合催化剂及其制备方法 |
CN109319840A (zh) * | 2018-11-15 | 2019-02-12 | 北京工业大学 | 一种制备铌酸锶/碳酸锶复合纳米材料的方法 |
Non-Patent Citations (1)
Title |
---|
XINLING WANG ET AL.: "AgBr/(Sr0.6Bi0.305)2Bi2O7 Heterostructured Composites: Fabrication, Characterization, and Significantly Enhanced Photocatalytic Activity", 《CATALYSTS》 * |
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Application publication date: 20191022 Assignee: Guilin Shenchen Information Technology Co.,Ltd. Assignor: GUILIN University OF ELECTRONIC TECHNOLOGY Contract record no.: X2023980045846 Denomination of invention: A strontium bismuth oxygen strontium carbonate composite photocatalyst and its preparation method and application in catalytic reduction of hexavalent chromium Granted publication date: 20220607 License type: Common License Record date: 20231108 |