CN110124688B - 一种用于杀菌除余氯的电触媒材料的合成方法 - Google Patents
一种用于杀菌除余氯的电触媒材料的合成方法 Download PDFInfo
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Abstract
本发明公开了一种用于杀菌除余氯的电触媒材料的合成方法,包括以下步骤:步骤1、将锌和铜熔融混合,制得熔融颗粒;步骤2、将二氧化钛、二氧化钌、熔融颗粒和铂粉混合,得到混合材料;将聚偏氟乙烯放入N‑甲基吡咯烷酮溶剂溶解,得到混合溶液;步骤3、将混合材料和混合溶液进行搅浆混合后倒入模具,置于氮气中,在高温炉烧制得到电触媒材料。采用上述方法后,本发明所合成的电触媒材料作为电极时进行电解水时,可以提高超氧离子的释放速率,从而提高杀菌除余氯的效果,并且能保持杀菌除余氯效果的稳定性。
Description
技术领域
本发明涉及水处理领域,特别是指一种用于杀菌除余氯的电触媒材料的合成方法。
背景技术
生活的提高使得人们对健康用水越来越关注,水中的余氯对人们沐浴有很大的会害。自来水中的氯,对任何有毛细孔如皮肤、鼻孔、口腔、肺部、毛发、眼睛等氧化表层有更直接性的危害,因为氯很容易快速被吸收,儿童幼嫩的皮肤、毛发和敏感肌肤对此更为敏感,且由于洗澡时全身的毛孔处于张开状态,则更加加剧氯的吸收数量和吸收量,吸收较多的氯后,容易伤害儿童娇嫩的皮肤,儿童容易因此引起皮炎湿疹等症状。
如何有效地将水中的余氯去除,以及防止水中滋生细菌,避免危害人体健康,一直是人们关注的问题。
发明内容
本发明的目的在于提供一种用于杀菌除余氯的电触媒材料的合成方法,所生产的电触媒材料作为电极进行电解水时,可以提高超氧离子的释放速率,从而提高杀菌除余氯的效果。
为了达成上述目的,本发明的解决方案是:
一种用于杀菌除余氯的电触媒材料的合成方法,包括以下步骤:
步骤1、将锌和铜熔融混合,制得熔融颗粒;
步骤2、将二氧化钛、二氧化钌、熔融颗粒和铂粉混合,得到混合材料;将聚偏氟乙烯放入N-甲基吡咯烷酮溶剂溶解,得到混合溶液;
步骤3、将混合材料和混合溶液进行搅浆混合后倒入模具,置于氮气中,在高温炉烧制得到电触媒材料。
所述步骤1中,锌与铜的质量份比值为60:40。
所述步骤1中,将锌和铜通过焙烧、煅烧或者烧结熔融混合。
所述步骤2的混合材料的体积中,二氧化钛的占比为40-60%,二氧化钌的占比为5-20%,熔融颗粒的占比为20-40%,铂粉的占比为5-15%。
所述步骤3中,混合材料和混合溶液的重量比为1:10。
所述步骤3中,高温炉的烧制温度为500-600℃。
所述步骤2中,铂粉的尺寸为微米或者纳米级。
所述步骤2中,混合溶液中聚偏氟乙烯的浓度为7%。
采用上述方法后,本发明所合成的电触媒材料作为电极时进行电解水时,可以提高超氧离子的释放速率,从而提高杀菌除余氯的效果,并且能保持杀菌除余氯效果的稳定性。
具体实施方式
为了进一步解释本发明的技术方案,下面通过具体实施例来对本发明进行详细阐述。
电触媒处理技术是分别将电触媒材料(如TiO2、IrO2等)与电化学相结合的高级氧化处理程序,现阶段运用于有机污染物降解,具有良好成效,由于其高效率、设备简单、操作方便(可于常温常压下进行)等优点,现已逐步应用于有机污染物废水上。
本发明为一种用于杀菌除余氯的电触媒材料的合成方法,包括以下步骤:
步骤1、将锌(Zn)和铜(Cu)通过焙烧、煅烧或者烧结熔融混合,制得熔融颗粒,其中锌与铜的质量份比值为60:40;
步骤2、将二氧化钛(TiO2)、二氧化钌(RuO2)、熔融颗粒和铂粉(Pt)混合,得到混合材料,所述铂粉的尺寸为微米或者纳米级;将聚偏氟乙烯(PVDF)放入N-甲基吡咯烷酮(NMP)溶剂溶解,得到聚偏氟乙烯浓度为7%的混合溶液;上述混合材料的体积中,二氧化钛的占比为40-60%,二氧化钌的占比为5-20%,熔融颗粒的占比为20-40%,铂粉的占比为5-15%;
步骤3、将混合材料和混合溶液按照1:10的重量比进行搅浆混合后倒入模具,置于氮气中,在高温炉500-600℃烧制得到电触媒材料。步骤3中,混合溶液对混合材料的组分起粘合作用。
将所制得的电触媒材料作为电极电解水时,电触媒将水中的分子置换,形成超氧离子,超氧离子穿入细菌内部,从而导致细菌死亡,达到杀菌效果。同时将氯气置换成次氯酸,当次氯酸氧化还原时,即可达到杀菌效果与除余氯效果。
以下通过具体的实施例来解释说明本方法所生产的电触媒的优点。
实施例一、将TiO2、RuO2、Zn/Cu(60/40)熔融颗粒、Pt以60:10:20:10的比例混合,再与7%PVDF混合后,放入10倍重量比的NMP溶剂溶解,进行搅浆混合后倒入2*5公分半圆尺寸的模具中,置于氮气中,在高温炉600℃烧制形成多孔复合材质的电触媒材料。将电触媒材料和碳棒作为电极,通入固定电压进行试验,结果显示当水中余氯0.5mg/L、流动水流速7L/min、滞留水量500毫升的条件下,初期1吨流水量余氯移除率75±3.2%,杀菌力可达77±2.1%,连续水流达5吨余氯移除率皆可以维持85-92%,杀菌力可达83-88%。
实施例二、将TiO2、RuO2、Zn/Cu(60/40)熔融颗粒、Pt以40:10:40:10的比例混合,再与7%PVDF混合后,放入10倍重量比的NMP溶剂溶解,进行搅浆混合后倒入2*5公分半圆尺寸的模具中,置于氮气中,在高温炉600℃烧制形成多孔复合材质的电触媒材料。将电触媒材料和碳棒作为电极,通入固定电压进行试验,结果显示当水中余氯0.5mg/L、流动水流速7L/min、滞留水量500毫升的条件下,初期1吨流水量余氯移除率88±2.1%,杀菌力可达85±1.4%,连续水流达5吨余氯移除率皆可以维持96-99%,杀菌力可达95-99%。
综上,本发明所合成的电触媒材料,其与碳棒一起作为电极时进行电解水时,可以提高超氧离子的释放速率,从而提高杀菌除余氯的效果,并且能保持杀菌除余氯效果的稳定性。
上述实施例并非限定本发明的产品形态和式样,任何所属技术领域的普通技术人员对其所做的适当变化或修饰,皆应视为不脱离本发明的专利范畴。
Claims (8)
1.一种用于杀菌除余氯的电触媒材料的合成方法,其特征在于包括以下步骤:
步骤1、将锌和铜熔融混合,制得熔融颗粒;
步骤2、将二氧化钛、二氧化钌、熔融颗粒和铂粉混合,得到混合材料;将聚偏氟乙烯放入N-甲基吡咯烷酮溶剂溶解,得到混合溶液;
步骤3、将混合材料和混合溶液进行搅浆混合后倒入模具,置于氮气中,在高温炉烧制得到电触媒材料。
2.如权利要求1所述的一种用于杀菌除余氯的电触媒材料的合成方法,其特征在于:所述步骤1中,锌与铜的质量份比值为60:40。
3.如权利要求1所述的一种用于杀菌除余氯的电触媒材料的合成方法,其特征在于:所述步骤1中,将锌和铜通过焙烧熔融混合。
4.如权利要求1所述的一种用于杀菌除余氯的电触媒材料的合成方法,其特征在于:所述步骤2的混合材料的体积中,二氧化钛的占比为40-60%,二氧化钌的占比为5-20%,熔融颗粒的占比为20-40%,铂粉的占比为5-15%。
5.如权利要求1所述的一种用于杀菌除余氯的电触媒材料的合成方法,其特征在于:所述步骤3中,混合材料和混合溶液的重量比为1:10。
6.如权利要求1所述的一种用于杀菌除余氯的电触媒材料的合成方法,其特征在于:所述步骤3中,高温炉的烧制温度为500-600℃。
7.如权利要求1所述的一种用于杀菌除余氯的电触媒材料的合成方法,其特征在于:所述步骤2中,铂粉的尺寸为微米或者纳米级。
8.如权利要求1所述的一种用于杀菌除余氯的电触媒材料的合成方法,其特征在于:所述步骤2中,混合溶液中聚偏氟乙烯的浓度为7%。
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CN1821108A (zh) * | 2006-03-08 | 2006-08-23 | 华南理工大学 | 多元金属簇净水材料及其制备方法和应用 |
CN101423270A (zh) * | 2008-10-09 | 2009-05-06 | *** | 一种高效电催化高级氧化技术电极材料 |
WO2014077713A1 (en) * | 2012-11-14 | 2014-05-22 | Politechnika Gdańska | Method of production of a material with photocatalytic and biocidal properties containing spatially oriented titanium dioxide nanotubes modified with metals, particularly precious metals |
CN105776429A (zh) * | 2016-03-15 | 2016-07-20 | 中国矿业大学(北京) | 具有电化学氧化活性的环管状亚氧化钛膜电极及其制备方法 |
CN106589715A (zh) * | 2015-12-31 | 2017-04-26 | 罗道友 | 一种负载功能TiO2纳米材料的PVDF母料的制备方法和应用 |
CN108975464A (zh) * | 2017-06-05 | 2018-12-11 | 财团法人工业技术研究院 | 电解还原模块单元及净水装置 |
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CN1821108A (zh) * | 2006-03-08 | 2006-08-23 | 华南理工大学 | 多元金属簇净水材料及其制备方法和应用 |
CN101423270A (zh) * | 2008-10-09 | 2009-05-06 | *** | 一种高效电催化高级氧化技术电极材料 |
WO2014077713A1 (en) * | 2012-11-14 | 2014-05-22 | Politechnika Gdańska | Method of production of a material with photocatalytic and biocidal properties containing spatially oriented titanium dioxide nanotubes modified with metals, particularly precious metals |
CN106589715A (zh) * | 2015-12-31 | 2017-04-26 | 罗道友 | 一种负载功能TiO2纳米材料的PVDF母料的制备方法和应用 |
CN105776429A (zh) * | 2016-03-15 | 2016-07-20 | 中国矿业大学(北京) | 具有电化学氧化活性的环管状亚氧化钛膜电极及其制备方法 |
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