CN110152736A - 用于含油污水处理的膨胀珍珠岩-碘氧铋复合光催化剂 - Google Patents
用于含油污水处理的膨胀珍珠岩-碘氧铋复合光催化剂 Download PDFInfo
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Abstract
本发明提供了一种用于含油污水处理的膨胀珍珠岩‑碘氧铋复合光催化剂及其制备方法。将硝酸铋、碘化钾、预处理的膨胀珍珠岩按照一定量配比取量,在乙二醇溶液中混合、溶解,在100~140℃下反应1~5h,经洗涤、分离、烘干,即得膨胀珍珠岩‑碘氧铋复合光催化剂。本发明原料易得、生产工艺简单,所制备的复合光催化剂漂浮在水面上,油光解效率高,并可循环利用。
Description
技术领域
本发明涉及碘氧铋漂浮光催化材料制备方法及其用于处理含油废水,属于废水治理技术领域。
背景技术
随着经济的飞速发展,石油大量开采,在开采或运输途中可能会产生泄露事故。据不完全统计,全球范围内,在2010~2015年之间,仅仅运油船泄露量就达到33000吨。大量泄露事件的发生,已经超过了环境的最大承载量,对环境造成了严重的污染和破坏。
由于大量的油污泄露到水环境中,碳氢化合物逐渐成为自然水体中受到广泛关注的一种污染物,因此如何处理修复将成为关注焦点。并且油污的密度小于水的,主要以漂浮态存在于水体表面。主要油污染修复常见方法有物理法、化学法和生物法。
物理方法是处理水污染最常用的方法,但其中围油法、机械法等需要大型设备的辅助,耗时耗力,并且污染物去除率低;化学方法可以有效地去除污染,但絮凝法等很容易造成二次污染和消耗高成本。生物法受周围环境影响较大,反应较慢。光催化降解技术则具备工艺简单、无二次污染、几乎所有污染物成分均可矿化等优点。
半导体光催化材料因其在光激发条件下对有机污染物的降解引起了人们的很大兴趣。近年来,光催化降解技术被用于含油废水的处理,但是光触媒集中在二氧化钛、氧化锌,季秋忆等利用共沉淀法制备ZrO2(Er3+)-TiO2复合纳米光催化剂,在可见光下光催化降解海水中柴油,柴油去除率达87.74%(季秋忆,于晓彩,张健等,材料导报,2017)。
铋基光催化剂由于具有良好的光催化性能,也开始被研究学者们所关注。除氯氧铋外,溴、碘氧铋均可以在可见光下进行光催化反应。例如,溴氧化铋纳米片(王吉玲,华中师范大学化学学院硕士论文,2013.5)用于降解罗丹明B、水杨酸、苯酚衍生物等水溶性有机物,发现可见光照射6小时,40mg/L五氯酚钠的矿化率可达100%。
曹江平等制备了WO3/BiOBr光催化剂,并催化降解甲基橙溶液,在催化剂用量为2.0g/L,20mg/L甲基橙溶液光照反应2h,甲基橙脱色率可达99.39%(曹江平,王莉琼,黄雪松等,工业催化,2018.8)。对于含油废水,因为油漂浮在水面,而传统光催化剂则分散在水体中,与表面油分子接触面小,光催化效率低。
CN107096537A提供了一种Fe2O3掺杂TiO2负载膨胀珍珠岩的漂浮型环境修复材料及其制备方法,TiO2的光催化反应只能在紫外光条件下,不能在可见光下,光照利用率较小,不利于大规模推广使用。
CN107511153A提供了一种抑制水中蓝藻的漂浮型光催化剂及其制备方法和应用,该方法制备繁琐,需要进行12h的反应;并且该材料的制备原料较繁琐,需要用到硫脲,该材料有一定的毒性,在大量制备的时候可能损害身体健康;该材料的降解率较低,反应时间较长。
发明内容
针对现有技术的上述问题,本申请提供了专门用于含油污水处理的漂浮型光催化剂-碘氧铋复合材料的制备与使用方法,本发明原料易得、生产工艺简单,所制备的复合光催化剂漂浮在水面上,油光解效率高,并可循环利用。
本发明的技术方案如下:
一种用于含油污水处理的膨胀珍珠岩-碘氧铋复合光催化剂,制备方法如下:
(1)原料液配制
称取5~20g硝酸铋,溶解于0.5~1L乙二醇,得液体A;称取5~20g碘化钾溶解于1~3L乙二醇,加入10~50g膨胀珍珠岩,得悬浮液体B;
(2)膨胀珍珠岩-碘氧铋复合光催化剂制备
在300~1000rad/s搅拌条件下,将液体A缓慢滴入液体B,滴加速率0.5~2ml/min,待液体A全部滴完后,继续搅拌1~3h;
然后将混合液体倒入反应釜,在100~140℃下反应1~5h,收集漂浮微粒,用0.2~1L乙醇洗涤两次,再用0.5~2L水洗涤两次,然后在100℃烘干,即得膨胀珍珠岩-碘氧铋复合光催化剂。
优选的,可以对膨胀珍珠岩进行预处理后再使用,所述预处理方法为:
将膨胀珍珠岩与浓度为5g/L CTAB的乙二醇溶液按照质量比0.5~1.5:1的配比混合,搅拌超声1h。
所述硝酸铋、乙二醇、乙醇、碘化钾为工业级化学品。所述膨胀珍珠岩粒径为0.1~1mm。
本发明复合光催化剂应用方法:取1L含油浓度为1000~3000mg/L的污水,加入0.3~2g未预处理的膨胀珍珠岩-碘氧铋复合光催化剂,暴露在阳光下3~6h,即可除油91%以上;将膨胀珍珠岩预处理后,去除率可达95%。用后的复合光催化剂经分离并在阳光下曝晒2h再生,可再循环用于含油污水处理。
本发明有益的技术效果在于:
本发明的膨胀珍珠岩-卤碘氧铋复合光催化剂漂浮于水面,能与油分子充分接触,在可见光下对不同类型含油废水如食用油、柴油等均具有良好的光催化降解性能。
本发明对膨胀珍珠岩进行预处理时,CTAB(即十六烷基三甲基溴化铵)与膨胀珍珠岩通过硅氧键与羰基的连接,使得膨胀珍珠岩表面从亲水性改为疏水性;又通过Si-O-Bi健的连接使得碘氧铋成功负载于膨胀珍珠岩表面,制备成亲油型漂浮光催化材料。
现有技术中常用硬脂酸进行预处理珍珠岩,只是简单的范德华力使膨胀珍珠岩表面吸附上硬脂酸分子,并且该实验需要用到丙酮溶液,该溶液对环境有一定的危害,并且硬脂酸在丙酮中的溶解度较小,需要长时间搅拌加热才可以完全溶解,此间需要消耗大量的能量。本发明的预处理方法则克服了上述缺陷,简单环保,效果更好。
具体实施方式
下面结合实施例,对本发明进行具体描述。显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
以下实施例所述硝酸铋、乙二醇、乙醇、碘化钾为工业级化学品;膨胀珍珠岩粒径为0.1~1mm。这些原料均可在市场上购买。
实施例1:
本实施例提供的用于含油污水处理的膨胀珍珠岩-碘氧铋复合光催化剂的制备方法如下:
第一步,原料液配制
称量5g硝酸铋溶解于0.5L乙二醇,得液体A;称取5g碘化钾溶解于1L乙二醇,加入10g膨胀珍珠岩,搅拌0.5h,得液体B。
第二步,复合光催化剂制备
在1000rad/s搅拌条件下,将溶液A缓慢滴入溶液B,滴加速率0.5ml/min,待溶液A全部滴完后,继续搅拌1h,液体倒入反应釜,于100℃下水热反应5h,冷却到室温后,收集漂浮颗粒,用0.2L乙醇洗涤两次,再用0.5L水洗涤两次,100℃烘干,即得膨胀珍珠岩—碘氧铋复合光催化剂。
实施例2
本实施例提供的用于含油污水处理的膨胀珍珠岩-碘氧铋复合光催化剂的制备方法如下:
首先将膨胀珍珠岩与浓度为5g/L CTAB的乙二醇溶液按照质量比1:1的配比混合,搅拌超声1h,得到预处理后的膨胀珍珠岩。
然后进行原料液配制:称取10g硝酸铋,溶解于1L乙二醇,得液体A;称取10g碘化钾溶解于2L乙二醇,加入20g预处理后的膨胀珍珠岩,得悬浮液体B。
第三步,膨胀珍珠岩-碘氧铋复合光催化剂制备:
在500rad/s搅拌条件下,将液体A缓慢滴入液体B,滴加速率1ml/min,待液体A全部滴完后,继续搅拌1h;
然后将混合液体倒入反应釜,在120℃下反应3h,收集漂浮微粒,用0.5L乙醇洗涤两次,再用1L水洗涤两次,然后在100℃烘干,即得膨胀珍珠岩-碘氧铋复合光催化剂。
测试例1:膨胀珍珠岩-碘氧铋光催化复合材料处理食用油废水
取100ml某食品加工厂含1000mg/L食用油废水于烧杯中,加入实施例1和实施例2制备得到的0.03g膨胀珍珠岩-碘氧铋复合光催化剂,暴露在阳光照射下3小时,分离后的滤液利用紫外分光光度计检测油含量,结果表明:预处理后的膨胀珍珠岩负载光催化剂,油浓度降低到70mg/L,油去除率93%。而未预处理的材料,去除率为73%,油去除率为而分离后的滤渣暴露在阳光照射下再生2小时,再用于该废水处理,油去除率仍接近90%。同时,利用纳米氧化锌在紫外光照射下处理该废水,油去除率仅63%。因此,膨胀珍珠岩-碘氧铋复合光催化剂对食用油废水比传统光催化剂有更好的处理效果,且可充分利用太阳光,操作简单,可再生循环使用,处理成本低。
测试例2:膨胀珍珠岩—碘氧铋复合光催化剂处理柴油废水
取100ml某炼油厂中含3000mg/L柴油废水于烧杯中,加入实施例1和实施例2制备得到的0.2g膨胀珍珠岩-碘氧铋复合光催化剂,暴露在阳光照射下搅拌6小时,材料经分离后,利用紫外分光光度计检测液体中油含量,结果表明:浓度降低到240mg/L,油去除率95%。因此,该复合光催化剂对柴油废水也有很好的去除效果。该光催化剂用于废水处理时,只需光照,勿需特殊设备,方法简单、方便。
Claims (5)
1.一种用于含油污水处理的膨胀珍珠岩-碘氧铋复合光催化剂,其特征在于制备方法如下:
(1)原料液配制
称取5~20g硝酸铋,溶解于0.5~1L乙二醇,得液体A;称取5~20g碘化钾溶解于1~3L乙二醇,加入10~50g膨胀珍珠岩,得悬浮液体B;
(2)膨胀珍珠岩-碘氧铋复合光催化剂制备
在300~1000rad/s搅拌条件下,将液体A缓慢滴入液体B,滴加速率0.5~2ml/min,待液体A全部滴完后,继续搅拌1~3h;
然后将混合液体倒入反应釜,在100~140℃下反应1~5h,收集漂浮微粒,用0.2~1L乙醇洗涤两次,再用0.5~2L水洗涤两次,然后在100℃烘干,即得膨胀珍珠岩-碘氧铋复合光催化剂。
2.根据权利要求1所述的复合光催化剂,其特征在于对膨胀珍珠岩进行预处理后再使用,所述预处理方法为:将膨胀珍珠岩与浓度为5g/L CTAB的乙二醇溶液按照质量比0.5~1.5:1的配比混合,搅拌超声1h。
3.根据权利要求1所述的复合光催化剂,其特征在于所述硝酸铋、乙二醇、乙醇、碘化钾为工业级化学品。
4.根据权利要求1所述的复合光催化剂,其特征在于所述膨胀珍珠岩粒径为0.1~1mm。
5.权利要求1或2所述的复合光催化剂的应用,其特征在于取1L含油浓度为1000~3000mg/L的污水,加入0.3~2g膨胀珍珠岩-碘氧铋复合光催化剂,暴露在阳光下3~6h。
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Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103497840A (zh) * | 2013-10-09 | 2014-01-08 | 太原理工大学 | 一种焦化行业废弃油综合利用的方法 |
CN103509587A (zh) * | 2013-09-26 | 2014-01-15 | 太原理工大学 | 一种用动植物油脂及废弃油制备煤浮选剂的方法 |
CN104646039A (zh) * | 2015-02-15 | 2015-05-27 | 济南大学 | 一种分级结构BiOI/Bi2MoO6复合可见光催化剂的制备方法及应用 |
CN105214693A (zh) * | 2015-10-13 | 2016-01-06 | 辽宁大学 | 碘氧化铋/多孔二氧化钛复合光催化剂及其制备方法和应用 |
CN106607063A (zh) * | 2015-10-27 | 2017-05-03 | 湖南城市学院 | 漂浮型可见光光催化剂及制备方法和应用 |
CN107051587A (zh) * | 2017-06-01 | 2017-08-18 | 上海师范大学 | 漂浮型半导体光催化材料及其制备方法和应用 |
CN107511153A (zh) * | 2017-09-19 | 2017-12-26 | 南昌航空大学 | 一种抑制水中蓝藻的漂浮型光催化剂及其制备方法和应用 |
CN108479816A (zh) * | 2018-04-02 | 2018-09-04 | 常州大学 | 一种高效能碘空位铋氧碘光催化材料的制备方法及在毒害有机废水处理中的应用 |
CN109569731A (zh) * | 2018-12-22 | 2019-04-05 | 滨州学院 | 一种MIL-100(Fe)/BiOI复合光催化剂及其应用 |
CN109603862A (zh) * | 2018-12-14 | 2019-04-12 | 同济大学 | 一种用于含油污水处理的溴氧铋光催化复合材料的制备与使用方法 |
-
2019
- 2019-05-07 CN CN201910375227.7A patent/CN110152736B/zh active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103509587A (zh) * | 2013-09-26 | 2014-01-15 | 太原理工大学 | 一种用动植物油脂及废弃油制备煤浮选剂的方法 |
CN103497840A (zh) * | 2013-10-09 | 2014-01-08 | 太原理工大学 | 一种焦化行业废弃油综合利用的方法 |
CN104646039A (zh) * | 2015-02-15 | 2015-05-27 | 济南大学 | 一种分级结构BiOI/Bi2MoO6复合可见光催化剂的制备方法及应用 |
CN105214693A (zh) * | 2015-10-13 | 2016-01-06 | 辽宁大学 | 碘氧化铋/多孔二氧化钛复合光催化剂及其制备方法和应用 |
CN106607063A (zh) * | 2015-10-27 | 2017-05-03 | 湖南城市学院 | 漂浮型可见光光催化剂及制备方法和应用 |
CN107051587A (zh) * | 2017-06-01 | 2017-08-18 | 上海师范大学 | 漂浮型半导体光催化材料及其制备方法和应用 |
CN107511153A (zh) * | 2017-09-19 | 2017-12-26 | 南昌航空大学 | 一种抑制水中蓝藻的漂浮型光催化剂及其制备方法和应用 |
CN108479816A (zh) * | 2018-04-02 | 2018-09-04 | 常州大学 | 一种高效能碘空位铋氧碘光催化材料的制备方法及在毒害有机废水处理中的应用 |
CN109603862A (zh) * | 2018-12-14 | 2019-04-12 | 同济大学 | 一种用于含油污水处理的溴氧铋光催化复合材料的制备与使用方法 |
CN109569731A (zh) * | 2018-12-22 | 2019-04-05 | 滨州学院 | 一种MIL-100(Fe)/BiOI复合光催化剂及其应用 |
Non-Patent Citations (5)
Title |
---|
BO GE ET AL.: "Fabrication of superhydrophobic Cu-BiOBr surface for oil/water separation and water soluble pollutants degradation", 《APPLIED SURFACE SCIENCE》 * |
JINFEN NIU ET AL.: "Facile synthesis of γ-Fe2O3/BiOI microflowers with enhanced visible light photocatalytic activity", 《 MATERIALS & DESIGN》 * |
徐洁等: "C/BiOI复合材料的合成及光催化性质研究", 《染整技术》 * |
王喜全等: "不同改性膨胀珍珠岩处理印染废水的试验研究", 《安全与环境工程》 * |
马荣荣等: "漂浮型可见光复合光催化剂B-N-TiO2/EP的制备、表征及其光催化性能", 《环境工程学报》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112246257A (zh) * | 2020-10-19 | 2021-01-22 | 江南大学 | BiOCl/膨胀珍珠岩漂浮型光催化剂及其应用 |
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