CN106044954A - 自然光条件下光电转换催化氧化水中有机物的方法 - Google Patents
自然光条件下光电转换催化氧化水中有机物的方法 Download PDFInfo
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- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims abstract description 12
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- 235000010413 sodium alginate Nutrition 0.000 claims abstract description 12
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Abstract
一种自然光条件下光电转换催化氧化水中有机物的方法,自然光照条件下,从腔体的进水口泵入水,通过腔体内的光电转换催化填料降解有机物,再由腔体的出水口出水,产生的废气由腔体的通气口排出,所述的光电转换催化填料的制备步骤如下:取薄膜太阳能电池,进行微元粉碎切割;将3‑6g海藻酸钠倒入100mL水中,搅拌均匀,再加入10‑20g的微元薄膜太阳能电池,充分搅拌混匀,装入10mL注射器中,推注滴加到(1.5‑3)g/100mL氯化钙溶液中。本发明具有以下优点:1、采用物理化学方法进行催化,与一般采用的活性污泥相比,耐受性更佳,适用性更广。特别对微生物有毒害作用的有机化合物的降解有利。2、采用自然光,实现光电转化,节约大量能源。
Description
技术领域
本发明公开了一种光电法处理有机废水的方法,具体涉及一种自然光条件下光电转换催化氧化水中有机物的方法。
背景技术
废水是指居民活动过程中排出的水及径流雨水的总称。它包括生活污水、工业废水和初雨径流入排水管渠等其它无用水,一般指经过一定技术处理后不能再循环利用或者一级污染后制纯处理难度达不到一定标准的水。其中,工业废水,即工业生产过程中产生的废水、污水和废液,含有随水流失的工业生产用料、中间产物和产品以及生产过程中产生的污染物。随着工业的迅速发展,废水的种类和数量迅猛增加,对水体的污染也日趋广泛和严重,威胁人类的健康和安全。因此,对于保护环境来说,工业废水的处理比城市污水的处理更为重要。
发明内容
本发明所要解决的技术问题是针对现有技术的不足,提供一种自然光条件下光电转换催化氧化水中有机物的方法。
本发明是通过以下技术方案解决上述技术问题的:一种自然光条件下光电转换催化氧化水中有机物的方法,自然光照条件下,从腔体(1)的进水口(3)泵入水,通过腔体(1)内的光电转换催化填料(2)降解有机物,再由腔体(1)的出水口(4)出水,产生的废气由腔体(1)的通气口(5)排出,所述的光电转换催化填料(2)的制备步骤如下:
1)取薄膜太阳能电池,进行微元粉碎切割,切割为1-2μm×1-2μm面积的微元薄膜太阳能电池;
2)将3-6g海藻酸钠倒入100mL水中,搅拌均匀,再加入10-20g步骤1)制备的微元薄膜太阳能电池,充分搅拌混匀,装入10mL注射器中,推注滴加到(1.5-3)g/100mL氯化钙溶液中,形成光电转换催化填料。
优化的,进水口(3)开设于腔体(1)的下端,出水口(4)开设于腔体(1)的上方侧面,通气口(5)开设于腔体(1)的上端。
优化的,所述的腔体为钢化玻璃腔体,壁厚0.8-1.2cm。
优化的,所述的腔体壁厚1.0cm。
优化的,所述的光电转换催化填料的装量为0.4-0.8腔体容积。
优化的,所述的光电转换催化填料的装量为0.7腔体容积。
优化的,所述的光电转换催化填料的粒径范围为4-8mm。
优化的,所述的光电转换催化填料的粒径范围为6mm。
作为一个具体的实施例,腔体采用钢化玻璃腔体,壁厚1.2cm,光电转换催化填料的装量为0.7腔体容积,粒径为6mm,其中,光电转换催化填料的制备步骤如下:
1)取碲化镉薄膜电池,进行微元粉碎切割,切割为1μm×1μm面积的微元碲化镉薄膜电池;
2)将4g海藻酸钠倒入100mL水中,搅拌均匀,再加入20g微元碲化镉薄膜电池,充分搅拌混匀,装入10mL注射器中,采用平头2号针推注滴加到2g/100mL氯化钙溶液中,形成光电转换催化填料。
作为另一个具体的实施例,腔体采用钢化玻璃腔体,壁厚1.0cm,光电转换催化填料的装量为0.6腔体容积,粒径为5mm,其中,光电转换催化填料的制备步骤如下:
1)取碲化镉薄膜电池,进行微元粉碎切割,切割为2μm×2μm面积的微元碲化镉薄膜电池。
2)将5g海藻酸钠倒入100mL水中,搅拌均匀,再加入15g微元碲化镉薄膜电池,充分搅拌混匀,装入10mL注射器中,采用平头3号针推注滴加到2.5g/100mL氯化钙溶液中,形成光电转换催化填料。
本发明相比现有技术具有以下优点:
1、采用物理化学方法进行催化,与一般采用的活性污泥相比,耐受性更佳,适用性更广。特别对微生物有毒害作用的有机化合物的降解有利。
2、采用自然光,实现光电转化,节约大量能源。
3、利用薄膜太阳能电池微球进行微元反应,在微球中形成大量的微电流,利用电提高传递效率,进而提高反应速率。
4、薄膜太阳能电池阴极产生大量氢气和H2O2,通过通气口进行氢回收,可大量制氢,H2O2是较强的氧化性,也参与了水中有机物的氧化作用。
5、薄膜太阳能电池阳极产生大量羟基自由基·OH和O2,具有强氧化性,强氧化性对水中的有机物等有害物进行强氧化反应,并将其降解为CO2和H2O;O2部分溶解于水体中,相当于给水中增氧,使水体中呈氧态,使水体中厌氧菌因富氧而死亡,水体不易发臭,而水生动物、植物也因富氧而生长,从而进一步降低水中的有机物和氨氮、磷等有害物。
附图说明
图1是本发明光电转换催化氧化水中有机物的装置示意图。
具体实施方式
下面对本发明的实施例作详细说明,本实施例在以本发明技术方案为前提下进行实施,给出了详细的实施方式和具体的操作过程,但本发明的保护范围不限于下述的实施例。
实施例1
一种自然光条件下光电转换催化氧化水中有机物的装置,包括腔体1、光电转换催化填料2、进水口3,出水口4和通气口5。
其中,腔体1全透明,优化的采用钢化玻璃腔体,壁厚1.2cm。光电转换催化填料的装量为0.7腔体容积,粒径为6mm。
其中,光电转换催化填料的制备步骤如下:
1)微元碲化镉薄膜电池的制备。取碲化镉薄膜电池,进行微元粉碎切割,切割为1μm×1μm面积的微元碲化镉薄膜电池。
2)光电转换催化填料的制备。将4g海藻酸钠倒入100mL水中,搅拌均匀,再加入20g微元碲化镉薄膜电池,充分搅拌混匀,装入10mL注射器中,采用平头2号针推注滴加到2g/100mL氯化钙溶液中,形成光电转换催化填料。
采用本发明的光电转换催化氧化水中有机物的装置的使用方法如下:
自然光照条件下,从进水口3泵入水,通过光电转换催化填料2降解有机物,再由出水口4出水,产生的废气由通气口5排出。进水流量控制在0.5腔体容积/h。
实施例2
一种自然光条件下光电转换催化氧化水中有机物的装置,其特征在于:它包括一全透明光电催化氧化器,它包括腔体1、光电转换催化填料2、进水口3,出水口4和通气口5。
其中,腔体为钢化玻璃腔体,壁厚0.8cm。光电转换催化填料的装量为0.5腔体容积,粒径为4mm。
其中,光电转换催化填料的制备步骤如下:
1)微元铜铟镓硒薄膜电池的制备。取铜铟镓硒薄膜电池,进行微元粉碎切割,切割为1μm×2μm面积的微元铜铟镓硒薄膜电池。
2)光电转换催化填料的制备。将3g海藻酸钠倒入100mL水中,搅拌均匀,再加入10g微元碲化镉薄膜电池,充分搅拌混匀,装入10mL注射器中,采用平头1号针推注滴加到1.5g/100mL氯化钙溶液中,形成光电转换催化填料。
采用本发明的光电转换催化氧化水中有机物的装置的使用方法如下:
自然光照条件下,从进水口3泵入水,通过光电转换催化填料2降解有机物,再由出水口4出水,产生的废气由通气口5排出。进水流量控制在0.8腔体容积/h。
实施例3
一种自然光条件下光电转换催化氧化水中有机物的装置,其特征在于:它包括一全透明光电催化氧化器,它包括腔体1、光电转换催化填料2、进水口3,出水口4和通气口5。
其中,腔体为钢化玻璃腔体,壁厚0.9cm。光电转换催化填料的装量为0.4腔体容积,粒径为8mm。其中,光电转换催化填料的制备步骤如下:
1)微元砷化镓薄膜电池的制备。取砷化镓薄膜电池,进行微元粉碎切割,切割为2μm×1μm面积的微元砷化镓薄膜电池。
2)光电转换催化填料的制备。将6g海藻酸钠倒入100mL水中,搅拌均匀,再加入12g微元碲化镉薄膜电池,充分搅拌混匀,装入10mL注射器中,采用平头4号针推注滴加到3g/100mL氯化钙溶液中,形成光电转换催化填料。
采用本发明的光电转换催化氧化水中有机物的装置的使用方法如下:
自然光照条件下,从进水口3泵入水,通过光电转换催化填料2降解有机物,再由出水口4出水,产生的废气由通气口5排出。进水流量控制在1腔体容积/h。
实施例4
一种自然光条件下光电转换催化氧化水中有机物的装置,其特征在于:它包括一全透明光电催化氧化器,它包括腔体1、光电转换催化填料2、进水口3,出水口4和通气口5。
其中,腔体为钢化玻璃腔体,壁厚1.0cm。光电转换催化填料的装量为0.6腔体容积,粒径为5mm。
其中,光电转换催化填料的制备步骤如下:
1)微元碲化镉薄膜电池的制备。取碲化镉薄膜电池,进行微元粉碎切割,切割为2μm×2μm面积的微元碲化镉薄膜电池。
2)光电转换催化填料的制备。将5g海藻酸钠倒入100mL水中,搅拌均匀,再加入15g微元碲化镉薄膜电池,充分搅拌混匀,装入10mL注射器中,采用平头3号针推注滴加到2.5g/100mL氯化钙溶液中,形成光电转换催化填料。
采用本发明的光电转换催化氧化水中有机物的装置的使用方法如下:
自然光照条件下,从进水口3泵入水,通过光电转换催化填料2降解有机物,再由出水口4出水,产生的废气由通气口5排出。进水流量控制在0.6腔体容积/h。
实施例5
一种自然光条件下光电转换催化氧化水中有机物的装置,其特征在于:它包括一全透明光电催化氧化器,它包括腔体1、光电转换催化填料2、进水口3,出水口4和通气口5。
其中,腔体为钢化玻璃腔体,壁厚1.1cm。光电转换催化填料的装量为0.4腔体容积,粒径范为7mm。
其中,光电转换催化填料的制备步骤如下:
1)微元砷化镓薄膜电池的制备。取砷化镓薄膜电池,进行微元粉碎切割,切割为1μm×1μm面积的微元砷化镓薄膜电池。
2)光电转换催化填料的制备。将3g海藻酸钠倒入100mL水中,搅拌均匀,再加入18g微元碲化镉薄膜电池,充分搅拌混匀,装入10mL注射器中,采用平头4号针推注滴加到3g/100mL氯化钙溶液中,形成光电转换催化填料。
采用本发明的光电转换催化氧化水中有机物的装置的使用方法如下:
自然光照条件下,从进水口3泵入水,通过光电转换催化填料2降解有机物,再由出水口4出水,产生的废气由通气口5排出。进水流量控制在0.7腔体容积/h。
将原水和处理后的水采用废水处理标准进行测试,结果如下:
指标 | 原水 | 实施例1 | 实施例2 | 实施例3 | 实施例4 | 实施例5 | 常规水处理工艺 |
BOD5,ppm | 60 | 9 | 12 | 13 | 10 | 11 | 15 |
COD,ppm | 400 | 12 | 20 | 25 | 18 | 29 | 49 |
苯酚含量,ppm | 4.00 | 0.22 | 0.42 | 0.35 | 0.37 | 0.58 | 2.39 |
氨氮,ppm | 70 | 0.13 | 0.29 | 0.58 | 0.23 | 0.27 | 0.85 |
采用本发明的光电转换催化氧化水中有机物的装置及使用方法处理的水比常规水处理工艺处理的水中的有机物和氨氮等有害物含量更低,废水处理效果更佳。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明的保护范围之内。
Claims (10)
1.一种自然光条件下光电转换催化氧化水中有机物的方法,其特征在于:自然光照条件下,从腔体(1)的进水口(3)泵入水,通过腔体(1)内的光电转换催化填料(2)降解有机物,再由腔体(1)的出水口(4)出水,产生的废气由腔体(1)的通气口(5)排出,所述的光电转换催化填料(2)的制备步骤如下:
1)取薄膜太阳能电池,进行微元粉碎切割,切割为1-2μm×1-2μm面积的微元薄膜太阳能电池;
2)将3-6g海藻酸钠倒入100mL水中,搅拌均匀,再加入10-20g步骤1)制备的微元薄膜太阳能电池,充分搅拌混匀,装入10mL注射器中,推注滴加到(1.5-3)g/100mL氯化钙溶液中,形成光电转换催化填料。
2.根据权利要求1所述的自然光条件下光电转换催化氧化水中有机物的方法,进水口(3)开设于腔体(1)的下端,出水口(4)开设于腔体(1)的上方侧面,通气口(5)开设于腔体(1)的上端。
3.根据权利要求2所述的自然光条件下光电转换催化氧化水中有机物的方法,其特征在于,所述的腔体为钢化玻璃腔体,壁厚0.8-1.2cm。
4.根据权利要求3所述的自然光条件下光电转换催化氧化水中有机物的方法,其特征在于,所述的腔体壁厚1.0cm。
5.根据权利要求1所述的自然光条件下光电转换催化氧化水中有机物的方法,其特征在于,所述的光电转换催化填料的装量为0.4-0.8腔体容积。
6.根据权利要求5所述的自然光条件下光电转换催化氧化水中有机物的方法,其特征在于,所述的光电转换催化填料的装量为0.7腔体容积。
7.根据权利要求1所述的自然光条件下光电转换催化氧化水中有机物的方法,其特征在于,所述的光电转换催化填料的粒径范围为4-8mm。
8.根据权利要求7所述的自然光条件下光电转换催化氧化水中有机物的方法,其特征在于,所述的光电转换催化填料的粒径范围为6mm。
9.根据权利要求1所述的自然光条件下光电转换催化氧化水中有机物的方法,其特征在于,腔体采用钢化玻璃腔体,壁厚1.2cm,光电转换催化填料的装量为0.7腔体容积,粒径为6mm,其中,光电转换催化填料的制备步骤如下:
1)取碲化镉薄膜电池,进行微元粉碎切割,切割为1μm×1μm面积的微元碲化镉薄膜电池;
2)将4g海藻酸钠倒入100mL水中,搅拌均匀,再加入20g微元碲化镉薄膜电池,充分搅拌混匀,装入10mL注射器中,采用平头2号针推注滴加到2g/100mL氯化钙溶液中,形成光电转换催化填料。
10.根据权利要求1所述的自然光条件下光电转换催化氧化水中有机物的方法,其特征在于,腔体采用钢化玻璃腔体,壁厚1.0cm,光电转换催化填料的装量为0.6腔体容积,粒径为5mm,其中,光电转换催化填料的制备步骤如下:
1)取碲化镉薄膜电池,进行微元粉碎切割,切割为2μm×2μm面积的微元碲化镉薄膜电池。
2)将5g海藻酸钠倒入100mL水中,搅拌均匀,再加入15g微元碲化镉薄膜电池,充分搅拌混匀,装入10mL注射器中,采用平头3号针推注滴加到2.5g/100mL氯化钙溶液中,形成光电转换催化填料。
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