CN106082400B - 一种用于污水处理的新型硼杂石墨烯电极的制备方法 - Google Patents
一种用于污水处理的新型硼杂石墨烯电极的制备方法 Download PDFInfo
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Abstract
本发明公开了一种用于污水处理的新型硼杂石墨烯电极的制备方法，包括以下步骤：A.采用铁、铂、钴或导电玻璃为基底，通过化学气相沉淀法制备基底薄片；B.将基底薄片在氩气下加入加热炉中密闭预热处理4‑6小时；C.向水、甲醇、乙醇、异丙醇溶剂中加入石墨烯与硼杂苯，形成石墨烯与硼杂苯混合溶液；D.将石墨烯与硼杂苯混合溶液在精密流量泵控制下，通过毛细管注入密闭反应室，在氩气保护下缓慢加入反应室，反应4‑6小时；E.反应结束后，停止加入石墨烯与硼杂苯混合溶液，关闭电炉并保持氩气流速不变。本发明的有益效果为：1）该电极大幅度降低污水COD值；2）反应速度快，过程中无有毒有害气体生成；3）反应高效，无毒，对设备无污染。
Description
技术领域
本发明涉及污水处理领域，具体涉及一种用于污水处理的新型硼杂石墨烯电极的制备方法。
背景技术
近年来随着经济的发展和科技的进步，对环境保护的呼声日益高涨，对环境保护的标准也在不断提高，对于大量的工业废水、生活污水的处理也提出了更高的标准。因此污水处理出现了新的亟待解决的问题，污水处理新技术应运而生。不但要大幅度减少污水的排放，保护水环境，也要求节约水。作为一种物理化学方法的吸附法是污水处理中的一种重要处理手段，具备成本低廉，选择性好，易再生等优势。高比表面积、稳定化学性质和低廉价格的吸附材料是决定吸附技术的关键部分，碳材料成为吸附材料的首选。目前常用于吸附技术的碳材料有活性碳、活性炭纤维和碳纳米管等。这些吸附材料通常都以粉体为主，收集的过程比较复杂，因此人们将注意力投向了石墨烯这种新型材料。
石墨烯作为一种新兴的二维蜂窝状结构的碳材料，是构成石墨的基本单元。其具有良好的导电性、较宽的电化学窗口，高化学稳定性及较大的比表面积，不仅是优异的光催化材料，而且也是优异的电容型去离子材料。石墨烯复合光催化剂可以有效降解有机废水中的有机物矿化为无机物小分子及无机离子，提高降解效率，石墨烯基电容型去离子吸附材料可以去除其中无机重金属离子，两者结合可以用于含有重金属的复合有机废水净化部分或全部回用，防止环境污染。石墨烯是由碳原子按照蜂窝状结构排列而成的单原子厚度的二维晶体，被认为是构建其他维度sp2杂化碳材料的基本结构单元。将卷曲或弯曲石墨烯可以构成一维碳纳米管或零维的富勒烯。石墨烯的独特结构赋予其良好的电学、热学以及化学性能。常见的石墨烯是以微米级片层结构的石墨烯粉体形式存在的。由于石墨烯片层间容易发生聚集，在实际应用中难以操控，导致基于石墨烯的组装体很难获得较大的比表面积，更难以达到石墨烯的理论比表面积值2630m2/g，这就极大地阻碍了石墨烯作为吸附材料的在工业化中的大规模应用。
发明内容
本发明的目的是为了克服现有技术中的不足，提供一种用于污水处理的新型硼杂石墨烯电极的制备方法解决上述问题。
为解决上述技术问题，本发明的技术方案为：
一种用于污水处理的新型硼杂石墨烯电极的制备方法，包括以下步骤：
A.基底薄片的制备：采用铁、铂、钴或导电玻璃为基底，通过化学气相沉淀法制备基底薄片；
B.预热处理：将步骤A中所述的基底薄片在氩气下加入加热炉中密闭预热处理4-6小时，保持反应室温度恒定且氩气流速恒定；
C.石墨烯与硼杂苯溶液的制备：向水、甲醇、乙醇、异丙醇溶剂中加入石墨烯与硼杂苯，形成石墨烯与硼杂苯混合溶液；
D.硼杂石墨烯电极的制备：将步骤C中所述的石墨烯与硼杂苯混合溶液在精密流量泵控制下，通过毛细管注入密闭反应室，在氩气保护下缓慢加入反应室，反应4-6小时；
E.后处理：反应结束后，停止加入石墨烯与硼杂苯混合溶液，关闭电炉并保持氩气流速不变，待电极自然冷却至室温。
与现有技术相比，本发明的有益效果为：1）该电极具有很高的电解氧化处理污水效果，经过通电处理可对污水中的有机物进行高效的氧化降解，大幅度降低污水COD值；2）反应速度快，过程中无有毒有害气体生成，反应后的产物稳定，不会产生其它有害物质；3）反应高效，无毒，反应前后对人体安全，对设备无污染。
具体实施方式
为使对本发明的结构特征及所达成的功效有更进一步的了解与认识，用以较佳的实施例详细的说明，说明如下：
实施例1
一种用于污水处理的新型硼杂石墨烯电极的制备方法，包括以下步骤：A.基底薄片的制备：采用铁、铂、钴或导电玻璃为基底，通过化学气相沉淀法制备基底薄片；B.预热处理：将步骤A中所述的基底薄片在氩气下加入加热炉中密闭预热处理4-6小时，保持反应室温度恒定且氩气流速恒定；C.石墨烯与硼杂苯溶液的制备：向水中加入石墨烯与硼杂苯，形成石墨烯与硼杂苯混合溶液；D.硼杂石墨烯电极的制备：将步骤C中所述的石墨烯与硼杂苯混合溶液在精密流量泵控制下，通过毛细管注入密闭反应室，在氩气保护下缓慢加入反应室，反应4-6小时；石墨烯与硼杂苯在基底上逐渐沉积并形成连续的硼杂石墨烯薄膜；E.后处理：反应结束后，停止加入石墨烯与硼杂苯混合溶液，关闭电炉并保持氩气流速不变，待电极自然冷却至室温。
实施例2
一种用于污水处理的新型硼杂石墨烯电极的制备方法，包括以下步骤：A.基底薄片的制备：采用铁、铂、钴或导电玻璃为基底，通过化学气相沉淀法制备基底薄片；B.预热处理：将步骤A中所述的基底薄片在氩气下加入加热炉中密闭预热处理4-6小时，保持反应室温度恒定且氩气流速恒定；C.石墨烯与硼杂苯溶液的制备：向甲醇中加入石墨烯与硼杂苯，形成石墨烯与硼杂苯混合溶液；D.硼杂石墨烯电极的制备：将步骤C中所述的石墨烯与硼杂苯混合溶液在精密流量泵控制下，通过毛细管注入密闭反应室，在氩气保护下缓慢加入反应室，反应4-6小时；石墨烯与硼杂苯在基底上逐渐沉积并形成连续的硼杂石墨烯薄膜；E.后处理：反应结束后，停止加入石墨烯与硼杂苯混合溶液，关闭电炉并保持氩气流速不变，待电极自然冷却至室温。
实施例3
一种用于污水处理的新型硼杂石墨烯电极的制备方法，包括以下步骤：A.基底薄片的制备：采用铁、铂、钴或导电玻璃为基底，通过化学气相沉淀法制备基底薄片；B.预热处理：将步骤A中所述的基底薄片在氩气下加入加热炉中密闭预热处理4-6小时，保持反应室温度恒定且氩气流速恒定；C.石墨烯与硼杂苯溶液的制备：向乙醇中加入石墨烯与硼杂苯，形成石墨烯与硼杂苯混合溶液；D.硼杂石墨烯电极的制备：将步骤C中所述的石墨烯与硼杂苯混合溶液在精密流量泵控制下，通过毛细管注入密闭反应室，在氩气保护下缓慢加入反应室，反应4-6小时；石墨烯与硼杂苯在基底上逐渐沉积并形成连续的硼杂石墨烯薄膜；E.后处理：反应结束后，停止加入石墨烯与硼杂苯混合溶液，关闭电炉并保持氩气流速不变，待电极自然冷却至室温。
实施例4
一种用于污水处理的新型硼杂石墨烯电极的制备方法，包括以下步骤：A.基底薄片的制备：采用铁、铂、钴或导电玻璃为基底，通过化学气相沉淀法制备基底薄片；B.预热处理：将步骤A中所述的基底薄片在氩气下加入加热炉中密闭预热处理4-6小时，保持反应室温度恒定且氩气流速恒定；C.石墨烯与硼杂苯溶液的制备：向异丙醇中加入石墨烯与硼杂苯，形成石墨烯与硼杂苯混合溶液；D.硼杂石墨烯电极的制备：将步骤C中所述的石墨烯与硼杂苯混合溶液在精密流量泵控制下，通过毛细管注入密闭反应室，在氩气保护下缓慢加入反应室，反应4-6小时；石墨烯与硼杂苯在基底上逐渐沉积并形成连续的硼杂石墨烯薄膜；E.后处理：反应结束后，停止加入石墨烯与硼杂苯混合溶液，关闭电炉并保持氩气流速不变，待电极自然冷却至室温。
以上显示和描述了本发明的基本原理、主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是本发明的原理，在不脱离本发明精神和范围的前提下本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明的范围内。本发明要求的保护范围由所附的权利要求书及其等同物界定。
Claims (1)
1.一种用于污水处理的新型硼杂石墨烯电极的制备方法，其特征在于，包括以下步骤：
A.基底薄片的制备：采用铁、铂、钴或导电玻璃为基底，通过化学气相沉淀法制备基底薄片；
B.预热处理：将步骤A中所述的基底薄片在氩气下加入加热炉中密闭预热处理4-6小时，保持加热炉温度恒定且氩气流速恒定；
C.石墨烯与硼杂苯溶液的制备：向水、甲醇、乙醇和异丙醇溶剂中加入石墨烯与硼杂苯，形成石墨烯与硼杂苯混合溶液；
D.硼杂石墨烯电极的制备：将步骤C中所述的石墨烯与硼杂苯混合溶液在精密流量泵控制下，通过毛细管注入加热炉，在氩气保护下缓慢加入加热炉，反应4-6小时；
E.后处理：反应结束后，停止加入石墨烯与硼杂苯混合溶液，关闭加热炉并保持氩气流速不变，待电极自然冷却至室温。
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