CN107694560A - 一种甲醛净化剂及其制备方法 - Google Patents
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Abstract
本发明公开了一种甲醛净化剂及其制备方法,由粉料、植物胶、羟甲基纤维素、水,经搅拌、炼泥、陈腐、挤压成型制成坯体、坯体干燥定型、烧制成基体、基体浸泡后沥干、真空干燥后得到的:粉料,由60—80份硅铝粉、3—5份蒙脱石、5—10份二氧化钛和15—30份硅藻土混合均匀而成;向上述粉料中添加植物胶2—4份、羟甲基纤维素3—5份、水110‑130份。本发明产品,能对有害气体和异味直接进行彻底分解,改变了以往单纯依靠吸附或者覆盖的方式。依靠吸附和分解相结合的方式对有害气体作用时间长,有效时间长达3—6个月,使用后无需任何处理;并能通过再生方法反复使用,无二次污染。
Description
技术领域
本发明涉及一种空气净化剂,具体涉及一种甲醛净化剂及其制备方法,能快速持续吸附甲醛、分解VOC挥发性有机物等有害化学物质。
背景技术
众所周知,现在市面上有的除甲醛、空气净化剂很多,鱼龙混杂。总体来说有以下几种类型:
1、吸附型空气净化类,如活性炭、海泡石,它属于被动净化材料,其吸附空气中有害物质必须依靠空气作为媒介,但室内的空气流动性较差,活性炭在短时间内难以捕捉到距离较远空气中的有害物质,因此用于小范围、小空间使用效果;
2、遮盖型除味产品,如凝脱香盒、空气清新剂,遮盖型除味产品是利用芳香烃的的香味遮盖空气中的各种异味,已达到除味效果,因此很多空气清新剂事实上并没有将车内或室内的异味清除,仅仅是用一种讨人喜欢的香型将异味掩盖而已;而气雾剂和喷雾剂空气新剂原液含有可燃性物质,因此,无论在生产、运输和使用过程中,有可能发生危险。
3、分解型空气净化产品,如光触媒此类产品是天然矿石在高温负压下,通过解基络合技术,与空气中的臭气分子发生氧化还原反应,直接产生二氧化碳、氮气氢气等无害气体,彻底清除异味,无二次污染,但由于其原材料的价格昂贵,因此限制了它的广泛使用。
因此,为解决以上不足之处,本发明从原材料精选,到现代科学技术的处理,即所形成的具有消除空气中有害气体、祛除各种异味功能无毒无味的产品。
发明内容
本发明所要解决的技术问题是针对现有技术中存在的不足,而提供一种甲醛净化剂及其制备方法。该产品是一种特效吸附、分解脱臭除味的产品,能针对汽车、室内甲醛、苯、氨等有害气体和异味直接进行彻底分解,产品从根本上改变了以往单纯依靠吸附或者覆盖的方式。依靠吸附和分解相结合的方式对有害气体作用时间长,根据异味源情况有效时间长达3—6个月,使用过程中有颜色变化,由紫红色或桃红色逐渐变浅黄色或黑褐色,使用后无需任何处理;并能通过再生方法反复使用,无二次污染。
为了实现上述目的,本发明采用如下技术方案:
一种甲醛净化剂,由粉料、植物胶、羟甲基纤维素、水,经搅拌、炼泥、陈腐、挤压成型制成坯体、坯体干燥定型、烧制成基体、基体浸泡后沥干、真空干燥后得到的;所述的粉料,由硅铝粉、蒙脱石、二氧化钛和硅藻土混合而成;各原料的重量份为:
60—80份硅铝粉、5—10份二氧化钛、3—5份蒙脱石、15—30份硅藻土、2—4份植物胶、3—5份羟甲基纤维素、110-130份水。
上述技术方案中,所述的硅铝粉,为无定形硅酸铝,英文名:amorphous silica-alumina,比表面积为390m2/g以上、孔容为1.0cm2/g以上。
上述技术方案中,所述的二氧化钛,为纳米级二氧化钛。
上述技术方案中,所述的挤压成型制成坯体,成型后坯体为拉西环坯体。
本发明还提供一种甲醛净化剂的制备方法,包括以下步骤:
(1)将硅铝粉、蒙脱石、二氧化钛和硅藻土按照以下重量份混合均匀制成粉料:60—80份硅铝粉、5—10份二氧化钛、3—5份蒙脱石、15—30份硅藻土;
(2)向步骤(1)的粉料中添加2—4份植物胶、3—5份羟甲基纤维素和110-130份水;经强制搅拌机混合形成泥料,再进行炼泥、陈腐、挤压成型制成坯体;
(3)将步骤(2)得到的胚体坯体干燥定型,然后再放入旋转窑中,经高温烧制后冷却出炉,得到基体;
(4)将步骤(3)得到的基体浸渍在高锰酸钾溶液中,沥干后真空干燥,得到甲醛净化剂,成品,包装入库。
上述技术方案中,步骤(1)中,所述的硅铝粉,为无定形硅酸铝,英文名:amorphoussilica-alumina,比表面积为390m2/g以上、孔容为1.0cm2/g以上。
上述技术方案中,步骤(1)中,所述的二氧化钛,为纳米级二氧化钛。
上述技术方案中,步骤(2)中,所述的挤压成型制成坯体,成型后坯体为拉西环坯体。
上述技术方案中,步骤(3)中,所述的高温烧制,指的是将旋转窑内温度加热至500-600℃,在此温度下保温2—4小时。
上述技术方案中,步骤(4)中,所述的高锰酸钾溶液,质量浓度为8-10%;浸渍时间为1小时。
上述技术方案中,步骤(4)中,所述的沥干,沥干时间为30分钟。
上述技术方案中,步骤(4)中,所述的真空干燥,指的是在真空干燥机中、在80—120℃下干燥30分钟—1小时。
本发明所述的甲醛净化剂,使用方法为直接放置在需净化空间内(车内、室内、柜内等),使用量如表1所示:
表1:不同污染情况下本发明甲醛净化剂的使用量
本发明技术方案的优点在于:
1、本发明采用的原料以高性能硅铝粉为主,是一种多孔性物质,390m2/g以上大比表面积,1.0cm2/g以上大孔容的粉体,采用这种粉体,化学性能稳定,物理性能好具有与其它离子及活性分子进行吸附和交换的特征,具有活性高吸附能力强的功能。
2、本发明采用拉西环状作为坯体,与球体状比较增大了表面积,也就增大了产品的吸附性;负载高锰酸钾后,能够让表面积得以充分利用,让催化剂更好的分散在整个坯体上,对甲醛的吸附和分解更快更彻底。
3、本发明采用纳米二氧化钛,由于表面效应,粒子越小,比表面积越大,而且表面的不饱和键也越多,吸附性越好,负载催化剂后活性也大大增加。
4、本发明采用的蒙脱石和硅藻土为辅助材料,降低成本,和高性能硅铝粉相辅相成,增大比表面,增加吸附力。
5、本发明采用加入植物胶、羟甲基纤维素为粘接剂,让比表面增大、吸附力增加。
6、本发明采用纳米级二氧化钛与高性能硅铝粉相结合作为载体,负载高锰酸钾溶液作为催化剂,能在空气中更有效地降解有毒有害气体,与有毒有害气体发生氧化还原反应,生成二氧化碳和水等无害气体,比单纯的二氧化钛作为催化剂只能在紫外线中对甲醛进行降解,而采用纳米级二氧化钛与高性能硅铝粉相结合作为载体,负载高锰酸钾溶液作为催化剂,可以在空气中就能降解,没有二次污染。
7、本发明采用真空干燥,排出多的水分,增强吸附性,并减少物料与空气中污染源接触的机会,能避免产品的污染或氧化变质;最终影响产品的使用效果或使用期限。
具体实施方式
以下对本发明技术方案的具体实施方式详细描述,但本发明并不限于以下描述内容:
实施例1:
一种甲醛净化剂,是通过下述方法制备而成的:
(1)将硅铝粉、蒙脱石、二氧化钛和硅藻土按照以下重量份混合均匀制成粉料:65份硅铝粉、8份纳米级二氧化钛、5份蒙脱石、22份硅藻土;
(2)向步骤(1)的粉料中添加植物胶4份、羟甲基纤维素4份、水115份;经强制搅拌机混合形成泥料,再进行炼泥、陈腐、挤压成型制成拉西环坯体;
(3)将步骤(2)得到的胚体坯体干燥定型,然后再放入旋转窑中,加热至500-600℃,保温4小时,冷却出炉,得到基体;
(4)将步骤(3)得到的基体浸渍在质量浓度为8%的高锰酸钾溶液中1小时,拿出沥干30分钟后,放入真空干燥机100℃温度进行干燥45分钟,即得到成品,包装入库。
将实施例1得到的甲醛净化剂放于室内,采用QB/T2761-2006《室内空气净化效果测定方法》检测,采用两个测试舱容积为1.5m3(一个为样品舱、另一个为空白舱),不间断自然缓慢释放污染源,分三组实验分别进行,第一组测甲醛,污染源为1.17mg/m3,第二组测苯,污染源为1.15mg/m3,第三组测TVOC,污染源为7.06mg/m3,分别放入1KG样的甲醛净化剂产品,24小时,甲醛的去除率为91%、苯的去除率为80%、TVOC的去除率为81%。
实施例2:
一种甲醛净化剂,是通过下述方法制备而成的:
(1)将硅铝粉、蒙脱石、二氧化钛和硅藻土按照以下重量份混合均匀制成粉料:75份硅铝粉、10份纳米级二氧化钛、3份蒙脱石、15份硅藻土;
(2)向步骤(1)的粉料中添加植物胶、羟甲基纤维素和水,各占粉料总重量比为:植物胶3份、羟甲基纤维素5份、水129份;经强制搅拌机混合形成泥料,再进行炼泥、陈腐、挤压成型制成拉西环坯体;
(3)将步骤(2)得到的胚体坯体干燥定型,然后再放入旋转窑中,加热至500—600℃烧制,保温4小时,冷却出炉,即得基体;
(4)将步骤(3)得到的基体浸渍在质量浓度为10%的高锰酸钾溶液中1小时,拿出沥干30分钟后放入真空干燥机120℃温度进行干燥30分钟,即得到成品,包装入库。
将实施例2得到的甲醛净化剂放于汽车内,采用QB/T2761-2006《室内空气净化效果测定方法》检测,用专业空气检测器测得汽车内的甲醛、苯含量各0.98mg/m3、1.02mg/m3;本发明实施例2得到的甲醛净化剂的用量为600g,经过24小时后,测得汽车或室内的甲醛、苯含量各为0.06、0.12;甲醛的去除率为93%、苯的去除率为88%。
上述实例只是为说明本发明的技术构思以及技术特点,并不能以此限制本发明的保护范围。凡根据本发明的实质所做的等效变换或修饰,都应该涵盖在本发明的保护范围之内。
Claims (10)
1.一种甲醛净化剂,由粉料、植物胶、羟甲基纤维素、水,经搅拌、炼泥、陈腐、挤压成型制成坯体、坯体干燥定型、烧制成基体、基体浸泡后沥干、真空干燥后得到的,所述的粉料,由硅铝粉、蒙脱石、二氧化钛和硅藻土混合而成;其特征在于,各原料的重量份为:
60—80份硅铝粉、5—10份二氧化钛、3—5份蒙脱石、15—30份硅藻土、2—4份植物胶、3—5份羟甲基纤维素、110-130份水。
2.根据权利要求1所述的甲醛净化剂,其特征在于:所述的硅铝粉为无定形硅酸铝,比表面积为390m2/g以上、孔容为1.0cm2/g以上。
3.根据权利要求1所述的甲醛净化剂,其特征在于:所述的二氧化钛,为纳米级二氧化钛。
4.根据权利要求1所述的甲醛净化剂,其特征在于:所述的挤压成型制成坯体,成型后坯体为拉西环坯体。
5.一种权利要求1所述的甲醛净化剂的制备方法,其特征在于,包括以下步骤:
(1)将硅铝粉、蒙脱石、二氧化钛和硅藻土按照以下重量份混合均匀制成粉料:60—80份硅铝粉、5—10份二氧化钛、3—5份蒙脱石、15—30份硅藻土;
(2)向步骤(1)的粉料中添加2—4份植物胶、3—5份羟甲基纤维素和110-130份水;经强制搅拌机混合形成泥料,再进行炼泥、陈腐、挤压成型制成坯体;
(3)将步骤(2)得到的胚体坯体干燥定型,然后再放入旋转窑中,经高温烧制后冷却出炉,得到基体;
(4)将步骤(3)得到的基体浸渍在高锰酸钾溶液中,沥干后真空干燥,得到甲醛净化剂,成品,包装入库。
6.根据权利要求1所述的制备方法,其特征在于:步骤(1)中,所述的硅铝粉为无定形硅酸铝,比表面积为390m2/g以上、孔容为1.0cm2/g以上;所述的二氧化钛,为纳米级二氧化钛。
7.根据权利要求1所述的制备方法,其特征在于:步骤(2)中,所述的挤压成型制成坯体,成型后坯体为拉西环坯体。
8.根据权利要求1所述的制备方法,其特征在于:步骤(3)中,所述的高温烧制,指的是将旋转窑内温度加热至500-600℃,在此温度下保温2—4小时。
9.根据权利要求1所述的制备方法,其特征在于:步骤(4)中,所述的高锰酸钾溶液,质量浓度为8-10%,浸渍时间为1小时;所述的沥干,沥干时间为30分钟。
10.根据权利要求1所述的制备方法,其特征在于:步骤(4)中,所述的真空干燥,指的是在真空干燥机中、在80—120℃下干燥30分钟—1小时。
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