CN107890859A - 氧化改性活性炭吸附剂及其制备方法 - Google Patents
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Abstract
本发明公开了一种氧化改性活性炭吸附剂,包括氧化改性活性炭:150‑200份;玄武岩纤维:10‑15份;高岭土:8‑10份;膨润土:8‑10份;生石灰:5‑10份;壳聚糖:10‑15份;金属化合物:5‑10份。本发明同时公开了其制备方法。本发明通过以污泥活性炭为主体吸附组分,可有效替代传统的木炭、木材等,不仅节约了资源,且能废物利用,氧化后的污泥活性炭的吸附性能更高,而玄武岩纤维、高岭土、膨润土、蒙脱石、壳聚糖、金属化合物等组分,均具有良好的吸附和脱硫性能,而和活性炭配伍后,可进一步加强吸附性能,同时成本低、制作工艺简单。
Description
技术领域
本发明涉及一种活性炭吸附剂及其制备方法,属于化工技术领域。
背景技术
传统的活性炭的制备多以木材、木炭、木屑、椰子壳、果壳等为原料,而 随着社会环保意识的增强,人们对生态恶化对民生和社会发展的影响越来越深 有体会。目前,国家已经明令禁止采伐自然林采伐,因此,木材、木炭的来源 严重不足,价格也随势上涨,在次情况下,以矿物质原料代替生物质原料制备 活性炭是发展的趋势。此外,如何提高活性炭吸附剂的吸附效果也是亟待解决 的一个关键问题。
发明内容
为了克服现有技术的不足,本发明的目的在于提供一种吸附效果优异的氧 化改性活性炭吸附剂及其制备方法。
本发明是通过以下技术方案来实现的:
一种氧化改性活性炭吸附剂,其特征在于,包括以下组分且各组分的重量 份数分别为:
氧化改性活性炭:150-200份;
玄武岩纤维:10-15份;
高岭土:8-10份;
膨润土:8-10份;
生石灰:5-10份;
壳聚糖:10-15份;
金属化合物:5-10份。
进一步,上述的一种氧化改性活性炭吸附剂,包括以下组分且各组分的重 量份数分别为:
氧化改性活性炭:200份;
玄武岩纤维:10份;
高岭土:10份;
膨润土:10份;
蒙脱石:5份;
壳聚糖:10份;
金属化合物:5份。
所述的氧化改性活性炭的制备方法为:将活性炭置于氧化剂溶液中进行氧 化改性,然后烘干得到氧化改性活性炭。
且所述的氧化剂溶液为过氧化苯甲酰溶液。
而所述的活性炭为过100-150目筛的污泥活性炭。
且所述的污泥活性炭的制备方法为:将干污泥放入炭化炉中,在氮气氛中, 于600-800℃的条件下炭化,然后经活化后得到污泥活性炭。
更进一步,上述的氧化改性活性炭吸附剂的制备方法,其特征在于,包括 以下步骤:按照重量份数比将氧化改性活性炭;玄武岩纤维;高岭土;膨润土; 蒙脱石;壳聚糖和金属化合物,加水搅拌调成泥状,然后在60-70℃下研磨3-5h, 至过300-400目筛,最后用清洗洗涤至pH为中性后烘干,得到目标产物。
本发明的有益效果是:本发明通过以污泥活性炭为主体吸附组分,可有效 替代传统的木炭、木材等,不仅节约了资源,且能废物利用,氧化后的污泥活 性炭的吸附性能更高,而玄武岩纤维、高岭土、膨润土、蒙脱石、壳聚糖、金 属化合物等组分,均具有良好的吸附和脱硫性能,而和活性炭配伍后,可进一 步加强吸附性能,同时成本低、制作工艺简单。
具体实施方式
下面将结合具体实施例,详细说明本发明的具体实施方式:
在本实施例中,所述的活性剂的氧化改性步骤为:将活性炭置于氧化剂溶 液中进行氧化改性,然后烘干得到氧化改性活性炭。其中的氧化剂溶液为过氧 化苯甲酰溶液。而所述的活性炭为过100-150目筛的污泥活性炭。且所述的污泥 活性炭的制备方法为:将干污泥放入炭化炉中,在氮气氛中,于600-800℃的条 件下炭化,然后经活化后得到污泥活性炭。
实施例1:
将氧化改性活性炭:150-200份;玄武岩纤维:10-15份;高岭土:8-10份; 膨润土:8-10份;生石灰:5-10份;壳聚糖:10-15份;金属化合物:5-10份, 加水搅拌调成泥状,然后在60-70℃下研磨3-5h,至过300-400目筛,最后用清 洗洗涤至pH为中性后烘干,得到目标产物。
实施例2:
将氧化改性活性炭:150-200份;玄武岩纤维:10-15份;高岭土:8-10份; 膨润土:8-10份;生石灰:5-10份;壳聚糖:10-15份;金属化合物:5-10份, 加水搅拌调成泥状,然后在60-70℃下研磨3-5h,至过300-400目筛,最后用清 洗洗涤至pH为中性后烘干,得到目标产物。
实施例3:
将氧化改性活性炭:150-200份;玄武岩纤维:10-15份;高岭土:8-10份; 膨润土:8-10份;生石灰:5-10份;壳聚糖:10-15份;金属化合物:5-10份, 加水搅拌调成泥状,然后在60-70℃下研磨3-5h,至过300-400目筛,最后用清 洗洗涤至pH为中性后烘干,得到目标产物。
实施例4
将氧化改性活性炭:200份;玄武岩纤维:10份;高岭土:10份;膨润土: 10份;蒙脱石:5份;壳聚糖:10份;金属化合物:5份,加水搅拌调成泥状, 然后在60-70℃下研磨3-5h,至过300-400目筛,最后用清洗洗涤至pH为中性 后烘干,得到目标产物。
根据上述实施例1-4所述的方法制备得到的汽车尾气吸附用活性炭的吸附 性能如表1所示:
表1:汽车尾气吸附用活性炭的吸附性能:
由表1可知:本发明所述的方法制备得到的氧化改性活性炭吸附剂的吸附 性能非常好,吸附效率高,且机械强度大,非常适合汽车尾气的吸附。
以上已以较佳实施例公开了本发明,然其并非用以限制本发明,凡采用等 同替换或者等效变换方式所获得的技术方案,均落在本发明的保护范围之内。
Claims (7)
1.一种氧化改性活性炭吸附剂,其特征在于,包括以下组分且各组分的重量份数分别为:
氧化改性活性炭:150-200份;
玄武岩纤维:10-15份;
高岭土:8-10份;
膨润土:8-10份;
生石灰:5-10份;
壳聚糖:10-15份;
金属化合物:5-10份。
2.根据权利要求1所述的一种氧化改性活性炭吸附剂,其特征在于,包括以下组分且各组分的重量份数分别为:
氧化改性活性炭:150-200份;
玄武岩纤维:10-15份;
高岭土:8-10份;
膨润土:8-10份;
生石灰:5-10份;
壳聚糖:10-15份;
金属化合物:5-10份。
3.根据权利要求1或2所述的一种氧化改性活性炭吸附剂,其特征在于,所述的氧化改性活性炭的制备方法为:将活性炭置于氧化剂溶液中进行氧化改性,然后烘干得到氧化改性活性炭。
4.根据权利要求3所述的一种氧化改性活性炭吸附剂,其特征在于,所述的氧化剂溶液为过氧化苯甲酰溶液。
5.根据权利要求3所述的一种氧化改性活性炭吸附剂,其特征在于,所述的活性炭为过100-150目筛的污泥活性炭。
6.根据权利要求5所述的一种氧化改性活性炭吸附剂,其特征在于,所述的污泥活性炭的制备方法为:将干污泥放入炭化炉中,在氮气氛中,于600-800℃的条件下炭化,然后经活化后得到污泥活性炭。
7.一种权利要求1所述的氧化改性活性炭吸附剂的制备方法,其特征在于,包括以下步骤:按照重量份数比将氧化改性活性炭;玄武岩纤维;高岭土;膨润土;蒙脱石;壳聚糖和金属化合物,加水搅拌调成泥状,然后在60-70℃下研磨3-5h,至过300-400目筛,最后用清洗洗涤至pH为中性后烘干,得到目标产物。
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CN108745279A (zh) * | 2018-04-20 | 2018-11-06 | 句容市盛达环保净化材料有限公司 | 一种活性炭吸附剂及其制备方法 |
CN110026164A (zh) * | 2019-04-12 | 2019-07-19 | 华侨大学 | 一种多孔纤维复合除磷吸附剂的制备方法 |
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CN108745279A (zh) * | 2018-04-20 | 2018-11-06 | 句容市盛达环保净化材料有限公司 | 一种活性炭吸附剂及其制备方法 |
CN110026164A (zh) * | 2019-04-12 | 2019-07-19 | 华侨大学 | 一种多孔纤维复合除磷吸附剂的制备方法 |
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