CN110124688A - 一种电触媒材料的合成方法 - Google Patents
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Abstract
本发明公开了一种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为60:40。
3.如权利要求1所述的一种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、煅烧或者烧结熔融混合。
4.如权利要求1所述的一种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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