CN113511668B - 一种空心六方体状Zn-Mg氧化物及其在协同双氧水降解罗丹明B中的应用 - Google Patents
一种空心六方体状Zn-Mg氧化物及其在协同双氧水降解罗丹明B中的应用 Download PDFInfo
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- 229910009369 Zn Mg Inorganic materials 0.000 title claims abstract description 21
- 229910007573 Zn-Mg Inorganic materials 0.000 title claims abstract description 21
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 title claims abstract description 18
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 229940043267 rhodamine b Drugs 0.000 title claims abstract description 14
- 230000015556 catabolic process Effects 0.000 title claims abstract description 10
- 238000006731 degradation reaction Methods 0.000 title claims abstract description 10
- 230000002195 synergetic effect Effects 0.000 title description 3
- 239000013078 crystal Substances 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 9
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 238000002360 preparation method Methods 0.000 claims abstract description 3
- 239000000047 product Substances 0.000 description 8
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 238000001878 scanning electron micrograph Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- -1 printing and dyeing Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G9/00—Compounds of zinc
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- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
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- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
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- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/36—Organic compounds containing halogen
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
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Abstract
本发明涉及一种空心六方体状Zn‑Mg氧化物及其在协同双氧水降解罗丹明B中的应用，所述空心六方体状Zn‑Mg氧化物晶体的制备方法包括如下步骤：将镁粉与锌粉混合均匀后置于反应炉中，升温至900‑950℃，保温10‑15min，即得所述空心六方体状Zn‑Mg氧化物晶体。
Description
技术领域
本发明属于材料领域，具体涉及一种空心六方体状Zn-Mg氧化物及其在协同双氧水降解罗丹明B中的应用。
背景技术
罗丹明B(Rhodamine B，RhB)是一种人工合成的有机染料，在工业(如纺织、印染、制革等)中被大量使用，产生了大量罗丹明B的含量较高的工业废水。RhB是一种致癌物质，如不能有效地去除，将会威胁人类的身心健康。本发明提供一种空心六方体状Zn-Mg氧化物用于与双氧水协同降解RhB。
发明内容
本发明提供一种空心六方体状Zn-Mg氧化物晶体，其特征在于其制备方法包括如下步骤：
将镁粉与锌粉混合均匀后置于反应炉中，升温至900-950℃，保温10-15min，即得所述空心六方体状Zn-Mg氧化物晶体。
所述镁粉与锌粉的摩尔比为1：1；所述反应炉选自箱式炉或管式炉；升温速率优选20℃/min，优选升温至920℃，保温12min。
所述空心六方体状Zn-Mg氧化物晶体的XRD图与图1基本一致。
所述空心六方体状Zn-Mg氧化物晶体的SEM图与图2基本一致。
本发明的另一实施方案提供上述空心六方体状Zn-Mg氧化物晶体的制备方法，其特征在于包括如下步骤：
将镁粉与锌粉混合均匀后置于反应炉中，升温至900-950℃，保温10-15min，即得所述空心六方体状Zn-Mg氧化物晶体。
所述镁粉与锌粉的摩尔比为1：1；所述反应炉选自箱式炉或管式炉；升温速率优选20℃/min，优选升温至920℃，保温12min。
本发明的另一实施方案提供空心六方体状Zn-Mg氧化物晶体在协同双氧水降解罗丹明B中的应用。
附图说明
图1是产品A的XRD图；
图2是产品A的SEM图；
图3是产品B的XRD图；
图4是产品B的SEM图；
图5是本发明合成反应示意图；
图6是产品A和B协同双氧水对罗丹明B的降解效果图。
具体实施方式
为了便于对本发明的进一步理解，下面提供的实施例对其做了更详细的说明。但是这些实施例仅供更好的理解发明而并非用来限定本发明的范围或实施原则，本发明的实施方式不限于以下内容。
实施例1
取镁粉(5mmol)与锌粉(5mmol)于坩埚中混合均匀后置于反应炉中，以20℃/min的升温速率升温至920℃，保温12min后，关闭反应炉，恢复至室温后，即得所述空心六方体状Zn-Mg氧化物晶体(以下简称产品A)。用D/MAX-RB转靶x-ray衍射仪对晶体进行相分析(图1)，用剑桥S250-II型扫描电镜(SEM)观察晶须的形貌分析(图2)。
实施例2
取镁粉(10mmol)与锌粉(10mmol)于坩埚中混合均匀后置于反应炉中，以20℃/min的升温速率升温至1000℃，保温12min后，关闭反应炉，恢复至室温后，即得所述Zn-Mg氧化物晶体(以下简称产品B，图3和图4)。
实施例3罗丹明B降解实验
实验方法：将罗丹明B溶液(12mg/L)100mL移入250mL的锥形瓶中，用盐酸调节溶液的酸性至pH 4.0-5.0，分别加入测试样品(产品A、B，浓度2.0g/L)与双氧水(2.5g/L)，在摇床上振荡，温度25℃，时间20min；每隔一段时间(4min)取上层清液，测定残留罗丹明B浓度，罗丹明B的降解率见图6。
Claims (4)
1.一种空心六方体状Zn-Mg氧化物晶体，其特征在于其制备方法包括如下步骤：
将镁粉与锌粉混合均匀后置于反应炉中，升温至900-950 ℃，保温10-15 min，即得所述空心六方体状Zn-Mg氧化物晶体；所述镁粉与锌粉的摩尔比为1：1。
2.权利要求1所述的空心六方体状Zn-Mg氧化物晶体，其特征在于所述反应炉选自箱式炉或管式炉。
3.权利要求1所述的空心六方体状Zn-Mg氧化物晶体，其特征在于升温速率为20 ℃/min，升温至920 ℃，保温12 min。
4.权利要求1所述的空心六方体状Zn-Mg氧化物晶体在协同双氧水降解罗丹明B中的应用。
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| JP2697431B2 (ja) * | 1991-11-14 | 1998-01-14 | 松下電器産業株式会社 | 酸化亜鉛結晶及びその製造方法 |
| CN103420410B (zh) * | 2012-05-16 | 2015-01-14 | 上饶师范学院 | 一种以锌粉为前驱物制备纯ZnO纳米粉体的方法 |
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Non-Patent Citations (4)
| Title |
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| Mg -ZnO 复合物的紫外光催化效率及协同作用研究;赵鹏 等;《高等学校化学学报》;第41卷(第3期);第538-547页 * |
| Synthesis of Magnesium-Doped ZnO Rods via Hydrothermal Method: A Study of the Structural and Optical Properties;Naif H. Al-Hardan et al,;《Journal of Solid State Science and Technology》;第6卷(第9期);p571-577 * |
| 基于ZnO-MgO体系的纳米材料制备与表征研究;王峰;《中国优秀硕士学位论文全文数据库-工程科技Ⅰ辑》(第10期);B020-45 * |
| 纳米ZnO 的可控生长及光致发光性能;王东辉 等;《西安邮电学院学报》;第16卷(第3期);第45-48、52页 * |
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