CN114534715A - 一种甲醛净化剂 - Google Patents
一种甲醛净化剂 Download PDFInfo
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 239000012629 purifying agent Substances 0.000 title claims abstract description 7
- 239000006185 dispersion Substances 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 26
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000008367 deionised water Substances 0.000 claims abstract description 19
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 19
- 238000002156 mixing Methods 0.000 claims abstract description 19
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 claims abstract description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002131 composite material Substances 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 claims abstract description 8
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 8
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 claims abstract description 8
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004327 boric acid Substances 0.000 claims abstract description 8
- 239000004202 carbamide Substances 0.000 claims abstract description 8
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 238000003760 magnetic stirring Methods 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 238000005406 washing Methods 0.000 claims abstract description 7
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 6
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims abstract description 4
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 239000002516 radical scavenger Substances 0.000 claims 4
- 230000000052 comparative effect Effects 0.000 description 7
- 238000000746 purification Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
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- 230000001699 photocatalysis Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000004887 air purification Methods 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
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- 230000003197 catalytic effect Effects 0.000 description 1
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- 239000013078 crystal Substances 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
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- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
- 238000003905 indoor air pollution Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
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- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
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Abstract
本发明涉及一种甲醛净化剂，其特征在于，采用如下工艺制备：将硝酸锌、偏钒酸铵以及尿素和氟化铵、十二烷基硫醇溶于乙二醇中，得到分散液A，将钨酸铵加入到去离子水中，超声混合至完全溶解，加入氨水调节pH为9‑10，得到分散液B；将硼酸加入去离子水中，超声混合均匀得到分散液C；在磁力搅拌下将分散液B、分散液C同时逐滴加入到分散液A中，混合均匀后将其转移至高压反应釜中，180‑200摄氏度下反应10‑24h，离心，采用去离子水和乙醇交替洗涤3次，随后在300‑400摄氏度热处理3‑4h，得到B掺杂的ZnV2O4‑WO3复合材料。
Description
技术领域
本发明涉及环保领域，具体涉及一种降解甲醛的净化剂及其制备方法。
背景技术
随着经济的发展以及人们生活水平的不断提高，室内装修也是越来越豪华，室内空气污染越来越严重，其中，甲醛是最严重的污染源之一，对于人类身体健康，尤其是长期处于室内环境的儿童、老人有着极大的威胁；光催化技术由于其成本低、无毒、除醛效率高等优点被广泛应用，研发催化性能高、结构稳定的光催化剂具有重要的现实意义。
发明内容
本申请的目的在于提供一种净化效率高的甲醛净化剂。
一种甲醛净化剂，其特征在于，采用乳如下工艺制备：将硝酸锌、偏钒酸铵以及尿素和氟化铵、十二烷基硫醇溶于乙二醇中，得到分散液A，将钨酸铵加入到去离子水中，超声混合至完全溶解，加入氨水调节pH为9-10，得到分散液B；将硼酸加入去离子水中，超声混合均匀得到分散液C；在磁力搅拌下将分散液B、分散液C同时逐滴加入到分散液A中，混合均匀后将其转移至高压反应釜中，180-200摄氏度下反应10-24h，离心，采用去离子水和乙醇交替洗涤3次，随后在300-400摄氏度热处理3-4h，得到B掺杂的ZnV2O4-WO3复合材料；
优选的，硝酸锌、偏钒酸铵以及尿素和氟化铵、十二烷基硫醇的物料比为(12-20)mmol：(24-40)mmol：(24-40)mmol：(24-40)mmol：(15-30)mg；
优选的，热处理气氛为空气、氧气；
优选的，钨酸铵加入量为3-5mmol；
优选的，硼酸的加入量为0.5-1mmol；
技术效果：
本申请通过一步乙二醇/水热法制备得到B掺杂的ZnV2O4-WO3异质结复合材料，通过调整实验条件以调控材料形貌为纳米片形成的纳米花状结构，其有利于增大活性比表面积，将甲醛分解为二氧化碳和水；通过将B掺到ZnV2O4-WO3晶格中，扩宽了其可见光范围，减少其光生电子-空穴复合，大大提高其光催化性能，制备过程简单、成本低，环保、无二次污染，便于工业化生产。
附图说明
图1为本申请制备得到的F掺杂的ZnV2O4-WO3异质结复合材料的SEM图。
具体实施方式
实施例1
将物料比为15mmol：30mmol：30mmol：30mmol：25mg硝酸锌、偏钒酸铵以及尿素和氟化铵、十二烷基硫醇溶于120ml乙二醇中，得到分散液A，将5mmol钨酸铵加入到50ml去离子水中，超声混合至完全溶解，加入氨水调节pH为9，得到分散液B；将1mmol硼酸加入50ml去离子水中，超声混合均匀得到分散液C；在磁力搅拌下将分散液B、分散液C同时逐滴加入到分散液A中，混合均匀后将其转移至高压反应釜中，180摄氏度下反应10h，离心，采用去离子水和乙醇交替洗涤3次，随后在300摄氏度热处理4h，得到B掺杂的ZnV2O4-WO3复合材料。
对比例1
将物料比为15mmol：30mmol：30mmol：30mmol：25mg硝酸锌、偏钒酸铵以及尿素和氟化铵、十二烷基硫醇溶于120ml乙二醇中，得到分散液A，将1mmol硼酸加入50ml去离子水中，超声混合均匀得到分散液C；在磁力搅拌下将分散液C逐滴加入到分散液A中，混合均匀后将其转移至高压反应釜中，180摄氏度下反应10h，离心，采用去离子水和乙醇交替洗涤3次，随后在300摄氏度热处理4h，得到B掺杂的ZnV2O4复合材料。
对比例2
将5mmol钨酸铵加入到50ml去离子水中，超声混合至完全溶解，加入氨水调节pH为9，得到分散液B；将1mmol硼酸加入50ml去离子水中，超声混合均匀得到分散液C；在磁力搅拌下将分散液B、分散液C混合均匀后将其转移至高压反应釜中，180摄氏度下反应10h，离心，采用去离子水和乙醇交替洗涤3次，随后在300摄氏度热处理4h，得到B掺杂的WO3复合材料。
对比例3
将物料比为15mmol：30mmol：30mmol：30mmol：25mg硝酸锌、偏钒酸铵以及尿素和氟化铵、十二烷基硫醇溶于120ml乙二醇中，得到分散液A，将5mmol钨酸铵加入到50ml去离子水中，超声混合至完全溶解，加入氨水调节pH为9，得到分散液B；在磁力搅拌下将分散液B逐滴加入到分散液A中，混合均匀后将其转移至高压反应釜中，180摄氏度下反应10h，离心，采用去离子水和乙醇交替洗涤3次，随后在300摄氏度热处理4h，得到ZnV2O4-WO3复合材料。
用实施例1和对比例1～3中的作为甲醛净化剂依照国家标准QB/T 2765-2016《室内空气净化产品净化效果测定方法》，测试甲醛净化率。
| 3天后甲醛净化率 | |
| 实施例1 | 95.5％ |
| 对比例1 | 85.1％ |
| 对比例2 | 77.4％ |
| 对比例3 | 87.4％ |
上述实施例仅例示性说明本发明的原理及其功效，而非用于限制本发明。任何熟悉此技术的人士皆可在不违背本发明的精神及范畴下，对上述实施例进行修饰或改变。因此，举凡所属技术领域中具有通常知识者在未脱离本发明所揭示的精神与技术思想下所完成的一切等效修饰或改变，仍应由本发明的权利要求所涵盖。
Claims (5)
1.一种甲醛净化剂，其特征在于，采用如下工艺制备：将硝酸锌、偏钒酸铵以及尿素和氟化铵、十二烷基硫醇溶于乙二醇中，得到分散液A，将钨酸铵加入到去离子水中，超声混合至完全溶解，加入氨水调节pH为9-10，得到分散液B；将硼酸加入去离子水中，超声混合均匀得到分散液C；在磁力搅拌下将分散液B、分散液C同时逐滴加入到分散液A中，混合均匀后将其转移至高压反应釜中，180-200摄氏度下反应10-24h，离心，采用去离子水和乙醇交替洗涤3次，随后在300-400摄氏度热处理3-4h，得到B掺杂的ZnV2O4-WO3复合材料。
2.根据权利要求1所述的一种甲醛净化剂，硝酸锌、偏钒酸铵以及尿素和氟化铵、十二烷基硫醇的物料比为(12-20)mmol：(24-40)mmol：(24-40)mmol：(24-40)mmol：(15-30)mg。
3.根据权利要求1所述的一种甲醛净化剂，热处理气氛为空气、氧气。
4.根据权利要求1所述的一种甲醛净化剂，钨酸铵加入量为3-5mmol。
5.根据权利要求1-5所述的一种甲醛净化剂，硼酸的加入量为0.5-1mmol。
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