CN115282940A - 用于改善气体污染物去除效率的表面改性炭和吸附剂 - Google Patents
用于改善气体污染物去除效率的表面改性炭和吸附剂 Download PDFInfo
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- CN115282940A CN115282940A CN202210964222.XA CN202210964222A CN115282940A CN 115282940 A CN115282940 A CN 115282940A CN 202210964222 A CN202210964222 A CN 202210964222A CN 115282940 A CN115282940 A CN 115282940A
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- carbon
- manganese
- reducing agent
- metal oxide
- oxide nanoparticles
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Abstract
一种材料,以及暴露于流动气体的、具有位于其中的材料的过滤器和其他结构,其从气体中去除VOC,诸如甲醛。该材料是由金属氧化物诸如锰氧化物(MnOx)纳米颗粒浸渍的多孔吸附剂。吸附剂可以是活性炭,并且锰氧化物可以将甲醛催化成水和二氧化碳,而炭可以吸附甲醛,这两种机理都可以从空气中除去VOC以防止或减少其被人吸入。该材料可以与未处理的吸附剂或用离子碱性盐处理的吸附剂组合。
Description
本申请是分案申请,其原案申请的申请号为201780071754.8(国际申请号为PCT/US2017/059902)、申请日为2017年11月03日、发明名称为“用于改善气体污染物去除效率的表面改性炭和吸附剂”,申请日“2017年11月03日”为国际申请日。
背景技术
本发明大体上涉及用于从气体中去除污染物的材料,更具体地涉及用于从空气中去除污染气体诸如醛的材料。
醛是高反应性有机化合物,并且包括甲醛、乙醛、丙醛、丁醛、苯甲醛、肉桂醛、甲苯甲醛和视黄醛等。如果人体吸入足够的水平的甲醛是有害的,并且甲醛被认为是挥发性有机化合物或VOC。有时在新制造的聚合物周围的空气中发现醛,其存在于住宅建筑物中。因此,希望从住宅建筑物中的空气中去除醛。
从住宅建筑物诸如房子中的空气中去除污染物的一种常见方式是使用材料处理用于房子的中央供暖和制冷***中的过滤器,当空气在房子中循环时,该材料会吸附空气中的污染物。已知这种供暖和制冷***使用风扇将空气移动到房子的每个房间,同时将大多数或所有上述房间的空气抽出。以这种方式,空气经中央***循环,并且当过滤器过滤和/或以其他方式从空气中去除颗粒时,处理材料在空气经过过滤器时从空气中吸附污染物气体分子。
现有技术的过滤器已经包括了用于吸附(物理吸附或化学吸附)机理的处理的活性炭,用于建筑物的中央供暖和制冷***中使用的过滤器。这些过滤器使用大网眼尺寸或丸形式的炭来吸附污染物,诸如甲醛。因此,现有技术通过用于吸附机理的处理的炭来去除甲醛。为了减少甲醛对任何建筑物的居住者(使用者)的负面影响,希望去除更多的甲醛,或者以更快的速率去除甲醛。
发明内容
本文公开了具有表面改性的活性炭和其他多孔吸附剂,表面改性可以通过浸渍过渡金属、金属氧化物和配合物来实施。这些表面改性的多孔吸附剂将金属氧化物容纳在它们的孔中,并且可以置于与室内空气接触,诸如通过添加至HVAC过滤器中。在穿过过滤器或其他空气接触结构的空气中,这产生了更高的VOC吸附和VOC(尤其是甲醛)氧化的催化活性,从而从将被建筑物的居住者呼吸的空气流中去除VOC。
活性炭是一种设想的多孔吸附剂,如二氧化钛、分子筛、沸石和氧化铝。活性炭可以用可以事先制备或原位制备的MnOx基纳米颗粒浸渍,以提供VOC诸如甲醛和其他醛的催化氧化的额外机理。这种MnOx纳米颗粒和活性炭的组合以更快的动力学具有更高的氧化能力,这得到了更高的过滤效率和更长的过滤器寿命。除活性炭之外的多孔基材可以用锰基颗粒和/或纳米颗粒浸渍,包括但不限于沸石。
本文还公开了可以是聚合物的纤维结构,诸如编织片、非编织絮垫或纤维幅材(web)。纤维结构可以具有金属氧化物和离子悬浮液的涂层,其在纤维结构上产生催化位点。这种纤维结构可以置于框架中并作为过滤器安装在中央供暖和制冷***中。设想使用所得过滤介质作为空气过滤介质,用于氧化空气流中的挥发性有机化合物(VOC),尤其是甲醛。这可以通过将介质放置在形成于建筑物的供暖、空调和通风(HVAC)***空气路径的管道中的框架中来实现,该建筑物可以是房子、公寓楼、办公楼、工厂或任何其他建筑。涂覆有催化剂纳米金属氧化物(例如锰氧化物)的聚合物幅材通过吸附污染物和将污染物催化成为危害更小的物质而具有提高的分子气体和/或VOC去除效率。
聚合物幅材介质可以涂覆有纳米尺寸的锰氧化物和钾离子。过滤介质可以在HVAC***中单独使用,或与活性炭组合使用。如本文所述可以用浸渍有市售或原位制备的MnOx基纳米颗粒的活性炭处理介质,以提供通过催化氧化VOC(诸如甲醛)来去除VOC/气体的机理。这得到了以更快的动力学的更高的去除能力,使得过滤效率更高和过滤器寿命更长。因此,涂覆有锰氧化物纳米颗粒的这种聚合物幅材的优点在于涂覆的幅材可以分解更多的VOC,并且以更快的动力学,以支持实现更高的CADR和CCM。
涂覆有锰氧化物的聚合物纤维结构用作将空气流中的VOC(特别是甲醛)分解和/或氧化成CO2的强催化剂。该幅材具有比现有技术结构更高的催化能力,通过在空气过滤***中单独使用或者与活性炭组合来去除气态污染物(包括甲醛蒸气和其它气体)。还公开了合成纳米锰氧化物颗粒(MnOx)和涂覆聚合物幅材的技术。
本文公开的添加了催化活性的过滤介质从空气流中去除了甲醛和分子气体和/或蒸气。可以通过使用涂覆有催化剂锰氧化物和钾离子的聚合物幅材层将催化活性添加至炭过滤器中。替代地,或此外,可通过将浸渍有MnOx的粒状吸附剂截留在两层之间或者将活性炭与浸渍在其中的MnOx附接到纤维幅材上,将催化活性添加至颗粒过滤器中。用于气相的空气过滤介质可以是颗粒过滤幅材和炭过滤器的组合,炭过滤器可以是丸、颗粒形式的炭,或者以片形式的固定化炭来与其反应(和/或吸附),并且因此从空气流中去除气态污染物。
本文公开的产品应该在去除甲醛和其他挥发性有机化合物(VOC)的更高的过滤效率方面满足新兴的空气过滤器标准。具体地,所公开的产品理想地满足中国官方引入的以更高洁净空气输出率(CADR)去除甲醛的GBT 18801测试方案。
本文公开了一种高过滤介质,其固定了本文所述的表面改性的炭以实现更高的吸附和催化活性,以从空气流中去除甲醛和其他蒸气/气体。
附图说明
图1是说明其上分散有MnOx颗粒的高度多孔炭颗粒的示意性截面视图。
图2是由实验得到的实验数据的图示,其中,多种不同物质从一定体积的空气中去除甲醛所需的时间量。
图3是由实验得到的实验数据的图示,其中,针对四个样品中的每一个示出了污染物穿透过滤器的时间。
图4是说明了本发明实施方式的示意性侧视图。
图5是说明了本发明实施方式的示意性侧视图。
图6是说明了穿过图5中线5-5的本发明实施方式的截面示意性端视图。
图7是说明了本发明实施方式的示意性侧视图。
图8是说明了穿过图7中线8-8的本发明实施方式的截面示意性端视图。
图9是供暖、通风和制冷***的示意性视图,其中本发明的实施方式就位于其中。
在描述附图中说明了的本发明的优选实施方式时,为了清楚起见,将采用特定术语。然而,这并不是意图将本发明限制于所选的特定术语,并且应当理解,每个特定术语包括以类似方式操作以实现类似目的的所有技术等同物。例如,经常使用的词连接或与其类似的术语。它们不限于直接连接,还包括通过其他元件的连接,其中,这种连接被本领域技术人员认为是等同的。
具体实施方式
于2016年11月3日提交的美国临时申请No.62/416,899;于2017年2月24日提交的美国临时申请No.62/463,144;于2016年11月16日提交的美国临时申请No.62/422,943通过引用并入本申请。
可以处理从4mm粗至10微米细的任何粒度分布的活性炭,诸如通过用锰氧化物(MnOx)浸渍,并且将这种复合物制备成其精细分散的纳米颗粒。MnOx的纳米颗粒优选在100-400纳米的范围内。
这些纳米颗粒是市售的并且可以应用于活性炭或其他基材。或者,颗粒可以通过化学试剂/还原试剂使用其前体原位形成,诸如高锰酸钾/高锰酸钠、乙酸锰、草酸锰和/或硫酸锰以及本领域普通技术人员已知的其他物质。可以将这种MnOx浸渍的炭与一定比例(10-60%)的浸渍有离子碱性盐(诸如KOH和KCl)的炭混合,以提高对催化氧化的活性。
除吸附性能外,所得的MnOx浸渍的活性炭或其它基材还具有催化剂能。提出的MnOx浸渍的基材是具有MnOx颗粒的活性炭,MnOx颗粒的浓度范围按重量计为炭的0.5-5.0%。所提出的浸渍的基材是具有MnOx颗粒的沸石,MnOx颗粒的浓度范围按重量计为沸石的0.5-2.0%。
为了将VOC(诸如甲醛)的催化氧化作用与这些VOC的物理吸附和化学吸附相结合,将多孔炭或其他基质用锰氧化物浸渍,也可能是氢氧化物在更细的炭颗粒上,并且实现了锰晶体的催化位点的均匀分散。这种MnOx浸渍的炭可以与一定比例的离子碱性盐(离子碱金属盐)(诸如KOH和KCl)浸渍的炭混合,以进一步提高对催化氧化的活性。
用于气相的空气过滤介质可以是颗粒过滤器和炭过滤器的组合。炭过滤器可以由炭丸、颗粒或片形式的固定化炭形成,其可以具有蜂窝结构以保持颗粒。
通过用锰氧化物湿法浸渍,表面改性可以在多种形式中的一种或多种以及宽范围的粒度分布中的炭上进行。锰氧化物可以通过将锰前体化合物(诸如高锰酸钾/高锰酸钠、乙酸锰、草酸锰和硫酸锰)与它们的还原剂(诸如草酸铵、氢氧化铵和苯胺)溶解在水相中来制备。然后通过湿法将在液相以悬浮物形成的锰氧化物颗粒分散在活性炭的多孔表面中,然后在低于150℃的温度下干燥。
形成锰氧化物颗粒的反应速率影响粒度。如果前体和还原剂快速结合,则大颗粒将沉淀,这是不希望的。然而,如果前体和还原剂以受控方式结合,例如以稀释形式(在水中)与故意保持低浓度的还原剂结合以减缓反应,则所形成的颗粒正如希望的非常小。具有碱性离子电荷的炭可以通过将钾前体化合物,诸如氢氧化钾/氯化钾/碘化钾溶解在水中来制备。用该溶液浸渍或浸泡炭约1小时,然后在低于150℃的温度下以相同方式干燥。
通常锰前体的使用范围为待浸渍的炭的0.5至5wt%之间,并且使用超过炭初始体积1-100%(例如,20%)的去离子水制备。使用还原剂如氢氧化铵、草酸铵、油酸或苯胺将锰前体转化为非常小尺寸的锰氧化物颗粒。然后使用将锰氧化物纳米颗粒均匀地涂布在活性炭上的喷洒和/或浸泡工艺,用含有细锰氧化物纳米颗粒的悬浮水溶液浸渍炭。
通常碱性/K+离子前体的使用范围为炭的0.5至10wt%之间,并且使用超过炭初始体积1-100%的去离子水制备,如上所述。
在一种方法中,购买市售的锰氧化物(MnO4)粉末,并将1.0g的MnO4粉末悬浮在100ml的水中。然后将该悬浮液喷洒在100g市售活性炭上并干燥。该炭的CADR测试结果类似于在下述方法中生产的MnOx炭的结果。
在另一方法中,将1.0g高锰酸钾或乙酸锰溶解在120ml水中。添加几滴氢氧化铵或草酸铵溶液(该溶液是50.0g在500ml水中的稀释液)并将该组合物摇动30分钟以形成液体中以悬浮物形式的锰氧化物纳米颗粒。然后用该悬浮液喷洒100.0g本文引用尺寸范围的活性炭颗粒并浸泡30分钟。最后,将炭在低温(低于150℃)下干燥直至炭中的最终含水量小于按炭重量计约1%,这需要约20-24小时。
所描述浸渍有锰氧化物的炭具有吸附性和催化剂,以从空气流中去除VOC,尤其是甲醛。锰氧化物通过湿法工艺制备成细颗粒并分散在活性炭颗粒的孔中。甲醛(HCHO)分子被吸附并通过下面提出的机理与催化剂MnOx颗粒反应并且被氧化成CO2和H2O:
HCHO+O2→CO2+H2O
负载有这种锰氧化物的表面改性的炭用作强催化剂,用于将甲醛分解/氧化成CO2以及将其它VOC分解和/或氧化。此外,该材料用作高效吸附剂以通过气相过滤中的物理吸附和化学吸附来吸附这些有机气体分子。
在图1中示出了负载有MnOx(例如,MnO2和其他锰氧化物)的表面改性的炭的所得形式。从图1的示意图可以看出,MnOx颗粒广泛且均匀地分布在多孔基质颗粒的孔内以及其外表面上或朝向其外表面。在本文所述的浓度下,除了吸附性能之外,炭基质上的这种MnOx颗粒还具有催化剂能。这些MnOx颗粒可以安装在过滤器中以从流过安装在传统HVAC***或房间或建筑物过滤装置中的过滤器的环境空气中去除甲醛和其他VOC。甲醛的催化作用将有害化学物质氧化成危害更小的CO2和H2O。吸附功能通过吸附从空气中去除VOC。这种组合是由于每单位质量极小颗粒MnOx的表面积而产生的。例如,MnOx颗粒的尺寸可以在100-400纳米的范围内。活性炭也具有每单位质量的高表面积,并且可以在800-1,300m2/g的范围内。优选的活性炭具有约为1,000m2/g的表面积。
由于吸附和催化活性的结合,所得炭的一个优点是它可以比其它产品分解更多的VOC并且以更快的动力学。另一优点是炭可以是从粗到细的网眼尺寸的任何尺寸的颗粒。此外,炭可以固定在非织造过滤介质中,诸如在两层之间,以在过滤器的给定空间中赋予这些益处。
为了支持催化氧化效率的提高,申请人比较了不同炭和沸石样品的甲醛CADR。结果在图2中示出。在试验中,使用VOC发生器向lm3腔室中填充~1.2ppm的甲醛并使其自然衰减半小时。在此期间,温度保持在22℃,并且相对湿度保持在约50%。一旦浓度稳定,开启腔室中的空气净化装置并记录了时间与浓度直到腔室的甲醛被完全清除。结果示出了,根据本发明制备的产品比单独使用任何类型的市售炭更快地去除甲醛。还可以看出,与那些未处理的(原始)炭和沸石相比,表面改性的炭和沸石在清洁腔室方面显示出明显更高的效率(CADR)。
本发明与现有技术的不同之处在于存在分散在炭或其他吸附剂基质孔中的纳米锰氧化物颗粒(MnOx),以产生组合的特定形态和性质。这产生了吸附和催化活性以去除包括甲醛蒸气和其他气体的气态污染物。
浸渍在炭中的MnOx和与一定比例的浸渍在其它炭颗粒中的离子碱性盐(诸如KOH和KCl)混合的MnOx的组合进一步提高了催化氧化的活性。介质的结构完整性和具有经处理的炭和粘合剂的配方是重要的。本发明设想了包括除炭之外的一定比例的表面改性的吸附剂,诸如二氧化钛、分子筛、沸石和氧化铝,以产生协同作用以提供甚至更高的性能。在现有的蜂窝过滤器中,设想了用这种催化剂炭涂覆结构,使得有两种VOC去除机理在运行:由催化剂炭的催化和由蜂窝过滤器中炭的吸附。
在水相中制备MnOx颗粒的方法可以从锰前体开始,诸如高锰酸钾或乙酸锰或硫酸锰,并得到用这些细悬浮的MnOx颗粒浸渍的炭颗粒。起始炭粒度可粗至4mm至细至10微米,具有高微孔隙率和质地特性。由于细催化剂MnOx颗粒均匀分散在炭上,所得过滤器在较高的气态污染物过滤效率下具有更高的寿命。
上述化合物用原位制备的纳米锰氧化物(nMnOx)颗粒悬浮液浸渍活性炭,其赋予催化性能以分解各种气体分子,诸如甲醛。已知甲醛是“醛”类化合物中的碱性化合物。另一种这种化合物是乙醛,其具有类似的性质并且被认为是同等或更有毒的空气污染物。相同的nMnOx浸渍的炭可以通过催化氧化去除乙醛以及甲醛。正是在这种背景下,产品扩展到VOC(诸如包括甲醛和乙醛的醛基化合物)的催化氧化。
本文公开了通过用过渡金属和金属氧化物,尤其是锰氧化物湿法浸渍来对活性炭和其它多孔吸附剂进行的表面改性。活性炭颗粒可以具有任何网眼尺寸和任何形式,但优选在4-8mm、8-16mm、20-50mm和50-200mm U.S网眼尺寸的范围内。如果使用沸石,优选的尺寸为12-30mm网眼尺寸。可以使用的活性炭丸片的尺寸范围为2-3mm。该MnOx浸渍的炭可以与浸渍有离子碱性盐如KOH和KCl的另一种炭共混,以提高催化氧化的活性。
目的是通过活性炭的更高吸附和催化从空气流中去除气态物质。所述更高的吸附和催化活性可以通过不同的化学处理和用活性金属/氧化物浸渍来产生。通过化学处理,我们在炭基面上产生了被认为是化学吸附活性位点的不同的官能团。这些位点被气态分子占据,在官能团和气体分子之间形成键并逐渐变得饱和。换句话说,化学处理的炭(例如,具有钾离子的活性炭)具有去除气态物质的有限的化学吸附能力。然而,通过所述的用nMnOx颗粒浸渍的方法制备的催化剂炭具有分解气体分子的能力,并且在每个循环后再生剩余的活性位点。
设想将化学吸附和催化机制组合以去除气体。设想了两种方法。第一种方法是物理混合两种炭:可以以各种比例混合化学处理的炭和nMnOx浸渍的催化剂炭以结合这些作用。观察到通过混合化学吸附炭和催化剂炭,甲醛和其他气体去除效率显著增加。效果显著增加,如图3中所示,图3示出了确定各种混合物的甲醛穿透和饱和容量的实验结果。最短的穿透时间是单独的催化剂nMnOx炭,次最短的时间是单独的化学处理的炭。最长的穿透时间,意味着这方面的最佳产品,是浸渍有nMnOx的炭和使用离子碱性盐(诸如钾离子(例如KCl、KOH、KI)化学处理的炭以50/50物理混合的混合物。次最长的时间是40%浸渍有nMnOx的炭和60%用离子碱性盐化学处理的炭的混合物。因此,污染物的最长穿透时间发现于50%浸渍有nMnOx的活性炭和50%用离子碱性盐化学处理的炭的混合物中。
第二种方法是通过首先用催化剂锰氧化物浸渍和然后用化学试剂处理,在同一炭上产生化学吸附和催化的双重作用。本文阐明了制备nMnOx炭的第一步骤。第二次处理在同一炭上进行。为此,将化学试剂如KI、KOH等溶解在10-25%待处理炭体积的水中,然后均匀喷洒在nMnOx炭上。
当单独使用或与本文所述的炭过滤器组合使用时,另外的实施方式可以通过用与本文所述的相同的锰氧化物颗粒和钾离子涂覆聚合物纤维结构来产生,以在空气过滤器中提供额外的催化活性,用于氧化VOC。可以在水相中制备MnOx颗粒(从锰前体诸如高锰酸钾、乙酸锰或硫酸锰开始)并用这些细悬浮MnOx颗粒浸渍炭。下一步骤是将MnOx颗粒涂覆在聚合物幅材上以实现更高的CADR和CCM,以从空气流中去除分子气体污染物/VOC。在第一步骤中,锰前体化合物以1至30%w/v的范围溶于水中,钾离子前体以10至30%w/v的范围溶解,用于在纤维上涂覆。在第二步骤中,纳米锰氧化物负载量为1-5%。
在图4中示意性地示出了由具有浸渍炭的涂覆纤维产生的产品,其中,将过滤介质(诸如非织造絮垫100)放置在气流110中。介质的放大视图示出了非织造絮垫100中的多孔吸附剂颗粒120。颗粒120可以用MnOx浸渍,用钾离子处理,两者,或部分浸渍与部分处理的组合。在图5和图6中示出的替代实施方式中,纤维介质的絮垫200具有***其中的保留了浸渍炭颗粒的材料的片材或板210。板210可以是两片织造或非织造的透气材料。因此,絮垫200过滤颗粒,而保留在板210中的浸渍炭颗粒催化VOC的转化并将其吸附,从而从穿过介质絮垫200的气体中去除VOC。另一替代实施方式在图7和图8中示出,其中,可以是聚合物纤维以非织造结构形成的介质絮垫300已经具有附接到絮垫300的纤维上的多孔吸附剂颗粒。吸附剂颗粒根据本文的公开浸渍有金属氧化物纳米颗粒,并且可以通过离子碱性盐处理一些吸附剂颗粒。
由于这些催化剂MnOx颗粒在聚合物层上的均匀涂覆,当与本文所述的活性炭过滤器组合使用时,这种介质在更高的气态污染物过滤效率下具有更长的寿命。因此,设想了生成涂覆有催化剂锰氧化物和钾离子的聚合物的非织造纤维幅材。该纤维幅材可以在空气过滤介质中单独使用,或与炭过滤器组合使用。
锰氧化物涂层可以多步制备,首先用锰化合物的胶体溶液诸如高锰酸钾/高锰酸钠涂覆纤维结构。这些可以与用于形成如本文所述的涂覆活性炭颗粒的MnOx纳米颗粒的前体相同。将纳米锰氧化物颗粒施加到所得的幅材结构上,诸如通过将MnOx纳米颗粒的悬浮液涂到幅材结构上。因此,使用化学/还原剂以及他们的前体如高锰酸钾/高锰酸钠或乙酸锰或硫酸锰,制备了具有锰氧化物(MnOx)金属氧化物复合物溶液,并且以水性形式制备的纳米锰氧化物颗粒涂覆聚合物纤维或幅材。
如本文所述,可以通过将锰前体化合物(诸如高锰酸钾、乙酸锰和硫酸锰)溶解以及它们与化学试剂(包括草酸铵、氢氧化铵和苯胺)在水相中的氧化还原反应制备锰氧化物。
具有不同浓度MnOx颗粒的不同浓度的聚合物纤维结构从锰前体开始,诸如高锰酸钾、乙酸锰或硫酸锰。该纳米锰氧化物涂覆的纤维幅材可以涂覆在传统的蜂窝过滤器中以协同催化活性。
当前体在水或一些其他液体中稀释时,可以将锰氧化物前体施加到纤维上。通过将上述悬浮液施加到纤维上,可以将锰氧化物纳米颗粒施加到纤维上。纤维上的锰氧化物前体可以具有催化VOC的部分效果,并且在纤维上的锰氧化物纳米颗粒也可以具有催化VOC的部分效果。通过将如美国专利No.9,199,189和/或美国专利申请公开No.2016/0023186(两者都通过引用并入本文)中示出的活性炭过滤器加到如此涂覆的(具有氧化锰前体和氧化锰纳米颗粒)的纤维中可以增强所得产物的催化效果。
在图9中,示出了本发明的实施方式定位于传统供暖、通风和制冷(HVAC)***400中。HVAC***400将过滤器420保持在邻近空气处理炉430,其中,鼓风扇440从建筑物的房间抽吸空气经过回风件410,通过过滤器420,通过空气处理炉430,并从补给件450排出到建筑物的房间。本文所述的任何过滤器,以及任何过滤介质,或者介质或过滤器的添加剂,可定位在如图9所示过滤器420处。因此,空气或任何其他气体流经过滤器420,VOC,诸如甲醛,反应中被催化成H2O和CO2并吸附在本文所述的添加剂上。
结合附图的该具体实施方式主要旨在作为对本发明的当前优选实施方式的描述,并不旨在表示可以构建或采用本发明的唯一形式。该描述结合所示实施方式阐述了实施本发明的设计、功能、装置和方法。然而,应该理解,相同或等同的功能和特征可以通过不同的实施方式来实现,这些实施方式也旨在包含在本发明的精神和范围内,并且可以采用各种修改而不脱离本发明或以下权利要求的范围。
Claims (11)
1.一种形成用于在气流中与挥发性有机化合物反应的材料的方法,所述方法包括:
(a)至少一种锰前体化合物与其还原剂在水相中反应以形成金属氧化物纳米颗粒;以及
(b)将所述金属氧化物纳米颗粒沉积在具有多孔表面的第一多孔吸附剂上,其中所述金属氧化物纳米颗粒广泛且均匀地分布在孔内及外表面上。
2.根据权利要求1所述的方法,其中,所述沉积的步骤包括将所述水相溶液和所述第一多孔吸附剂混合,然后在低于150℃的温度下干燥。
3.根据权利要求2所述的方法,其中,所述沉积的步骤包括将所述水相溶液喷洒在所述第一多孔吸附剂上。
4.根据权利要求2所述的方法,其中,所述沉积的步骤包括将所述第一多孔吸附剂浸渍于所述水相溶液中。
5.根据权利要求1所述的方法,其中,所述反应的步骤进一步包含将所述锰前体化合物与其还原剂在水相中混合,并摇动该混合物。
6.根据权利要求1所述的方法,其中,所述反应的步骤进一步包含将所述锰前体化合物与其还原剂以占所述第一多孔吸附剂重量的约0.5-5.0%进行混合。
7.根据权利要求1所述的方法,其中,在所述还原剂保持一定浓度的条件下结合所述前体和所述还原剂,所述还原剂的浓度保持在足以减缓所述前体和所述还原剂之间的反应以形成尺寸范围为约100至约400纳米的纳米颗粒。
8.根据权利要求1所述的方法,其中,进一步包括在步骤(b)之后,将其中沉积有金属氧化物纳米颗粒的所述第一多孔吸附剂施加到聚合物纤维结构。
9.根据权利要求1所述的方法,其中,所述还原剂不含锰。
10.根据权利要求1所述的方法,其中,所述金属氧化物纳米颗粒被制备后,将其置于所述第一多孔吸附剂中。
11.一种制备用于与气流中的挥发性有机化合物反应的材料的方法,该方法包括:
(a)将至少一种锰前体化合物及其还原剂溶解在水相中以形成金属氧化物纳米颗粒;和
(b)将所述金属氧化物纳米颗粒沉积在具有多孔表面的第一多孔吸附剂中,其中所述金属氧化物纳米颗粒广泛且均匀地分布在孔内及外表面上,
其中,在所述还原剂保持一定浓度的条件下结合所述前体和所述还原剂,所述还原剂的浓度保持在足以减缓所述前体和所述还原剂之间的反应以形成尺寸范围为约100至约400纳米的纳米颗粒。
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CN109529524B (zh) * | 2018-12-23 | 2021-07-20 | 上海纳米技术及应用国家工程研究中心有限公司 | 用于甲醛去除的吸附/催化双功能常温净化材料的制备及产品和应用 |
CN110680170B (zh) * | 2019-09-24 | 2021-11-05 | 华南理工大学 | 一种除甲醛和VOCs的纱窗或窗帘及其制备方法 |
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GB2601796A (en) * | 2020-12-10 | 2022-06-15 | Dyson Technology Ltd | Use of catalyst and method of removing aldehydes |
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US11648329B1 (en) | 2021-11-24 | 2023-05-16 | Rht Limited | Air purifiers |
KR102556902B1 (ko) * | 2022-04-29 | 2023-07-18 | 경기대학교 산학협력단 | 자외선이 없는 환경에서도 대기전구물질 제거가 가능한 벽면 타일의 제조기술 |
KR102618149B1 (ko) * | 2022-09-07 | 2023-12-27 | 경기대학교 산학협력단 | 자외선이 없는 환경에서도 대기전구물질 제거가 가능한 벽체 배수패널의 제조기술 |
CN115851024A (zh) * | 2022-12-16 | 2023-03-28 | 海啊科技股份有限公司 | 汽车脚垫用抗菌除醛喷剂 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5112796A (en) * | 1984-02-26 | 1992-05-12 | Aquafine Corporation | Manganese dioxide impregnated filter |
WO2006098756A2 (en) * | 2004-08-16 | 2006-09-21 | The Board Of Trustees Of The University Of Arkansas | Synthetic control of metal oxide nanocrystal sizes and shapes |
CN101209414A (zh) * | 2006-12-31 | 2008-07-02 | 中国科学院理化技术研究所 | 层状介孔水钠锰矿型MnO2蜂窝状纳米球的用途 |
JP2010274178A (ja) * | 2009-05-27 | 2010-12-09 | Kri Inc | 揮発性有害物質除去材およびその製造方法 |
JP2011104529A (ja) * | 2009-11-18 | 2011-06-02 | Japan Vilene Co Ltd | 有害ガス除去材 |
CN102198405A (zh) * | 2011-04-01 | 2011-09-28 | 天津工业大学 | 一种净化室内甲醛用的复合催化剂及其制备方法 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03288545A (ja) * | 1990-04-06 | 1991-12-18 | Unitika Ltd | 気相中のアルデヒド類の吸着剤 |
JPH0564654A (ja) * | 1991-01-24 | 1993-03-19 | Sakai Chem Ind Co Ltd | 脱臭方法 |
JPH06339629A (ja) * | 1993-06-01 | 1994-12-13 | Kondo Kogyo Kk | 空気浄化剤および空気浄化用フィルター |
KR100397384B1 (ko) * | 1995-03-23 | 2003-12-24 | 도토기키 가부시키가이샤 | 탈취방법,탈취제제조방법및탈취장치 |
KR100227582B1 (ko) * | 1995-05-26 | 2000-03-02 | 이사오 우치가사키 | 환경 정화재 |
WO1999017874A1 (en) * | 1997-10-08 | 1999-04-15 | Corning Incorporated | Method of making activated carbon-supported catalysts |
KR100235113B1 (ko) * | 1998-01-21 | 1999-12-15 | 정영무 | 황화물 가스를 제거하기 위한 첨착활성탄및 이의 제조방법 |
US6319484B1 (en) * | 1999-12-14 | 2001-11-20 | Engelhard Corporation | Compositions for abatement of volatile organic compounds and apparatus and methods using the same |
JP2001170150A (ja) * | 1999-12-15 | 2001-06-26 | Toomikku:Kk | ゼオライトの電磁波処理による吸着材を使用した浄化方法 |
US6458741B1 (en) * | 1999-12-20 | 2002-10-01 | Eltron Research, Inc. | Catalysts for low-temperature destruction of volatile organic compounds in air |
US7378372B2 (en) * | 2005-10-11 | 2008-05-27 | Layne Christensen Company | Filter and sorbent for removal of contaminants from a fluid |
WO2007072739A1 (ja) * | 2005-12-21 | 2007-06-28 | Matsushita Electric Industrial Co., Ltd. | マンガン酸化物ナノ粒子分散材料及び電極の製造方法 |
CA2617925A1 (en) * | 2006-04-24 | 2007-11-08 | Meadwestvaco Corporation | Impregnated monoliths |
WO2007143404A2 (en) * | 2006-06-07 | 2007-12-13 | Gm Global Technology Operations, Inc. | Making mesoporous carbon with tunable pore size |
JP4998187B2 (ja) * | 2007-10-03 | 2012-08-15 | パナソニック株式会社 | 吸着素子および空調装置 |
JP2010063963A (ja) * | 2008-09-09 | 2010-03-25 | Panasonic Corp | 除湿素子およびそれを用いた除湿装置 |
WO2012167280A1 (en) * | 2011-06-03 | 2012-12-06 | The Regents Of The University Of California | Manganese oxide and activated carbon fibers for removing particle, voc or ozone from a gas |
US9233339B2 (en) * | 2012-04-23 | 2016-01-12 | Ut-Battelle, Llc | Ionic liquid-functionalized mesoporous sorbents and their use in the capture of polluting gases |
JP2015509832A (ja) * | 2013-01-19 | 2015-04-02 | デシカント・ローターズ・インターナショナル・プライヴェート・リミテッド | 乾燥剤担持ハニカム化学フィルタおよびその製造方法 |
US8664153B1 (en) * | 2013-03-15 | 2014-03-04 | Sociedad Oxidquimica Limitada | Activated carbon as an adsorbent composition |
CN104338528A (zh) * | 2013-07-30 | 2015-02-11 | 江苏瑞丰科技实业有限公司 | 常温甲醛催化剂的制备 |
JP2016199426A (ja) * | 2015-04-09 | 2016-12-01 | アイ・アンド・ピー株式会社 | 二酸化マンガン多孔質体の製造方法、二酸化マンガン多孔質体、電極材料、及び蓄電装置 |
CN105727737A (zh) * | 2016-02-16 | 2016-07-06 | 上海勇意环境工程有限公司 | 一种高锰酸钾滤网的催化效果活化方法 |
US20180117522A1 (en) * | 2016-11-03 | 2018-05-03 | Columbus Industries, Inc. | Surface-Modified Carbon and Sorbents for Improved Efficiency in Removal of Gaseous Contaminants |
-
2017
- 2017-11-03 US US15/802,971 patent/US20180117522A1/en not_active Abandoned
- 2017-11-03 KR KR1020227005927A patent/KR102615619B1/ko active IP Right Grant
- 2017-11-03 KR KR1020247013801A patent/KR20240057456A/ko active Search and Examination
- 2017-11-03 JP JP2019545706A patent/JP7294755B2/ja active Active
- 2017-11-03 KR KR1020197015781A patent/KR20190079654A/ko active Application Filing
- 2017-11-03 CN CN202210964222.XA patent/CN115282940A/zh active Pending
- 2017-11-03 WO PCT/US2017/059902 patent/WO2018102069A1/en active Application Filing
- 2017-11-03 CN CN201780071754.8A patent/CN109963639A/zh active Pending
-
2020
- 2020-11-03 US US17/087,716 patent/US20210046417A1/en active Pending
-
2021
- 2021-12-14 JP JP2021202905A patent/JP7344270B2/ja active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5112796A (en) * | 1984-02-26 | 1992-05-12 | Aquafine Corporation | Manganese dioxide impregnated filter |
WO2006098756A2 (en) * | 2004-08-16 | 2006-09-21 | The Board Of Trustees Of The University Of Arkansas | Synthetic control of metal oxide nanocrystal sizes and shapes |
CN101209414A (zh) * | 2006-12-31 | 2008-07-02 | 中国科学院理化技术研究所 | 层状介孔水钠锰矿型MnO2蜂窝状纳米球的用途 |
JP2010274178A (ja) * | 2009-05-27 | 2010-12-09 | Kri Inc | 揮発性有害物質除去材およびその製造方法 |
JP2011104529A (ja) * | 2009-11-18 | 2011-06-02 | Japan Vilene Co Ltd | 有害ガス除去材 |
CN102198405A (zh) * | 2011-04-01 | 2011-09-28 | 天津工业大学 | 一种净化室内甲醛用的复合催化剂及其制备方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116371143A (zh) * | 2023-06-05 | 2023-07-04 | 厦门海辰储能科技股份有限公司 | 气相有害物质处理构件及制备方法、储能装置及用电设备 |
CN116371143B (zh) * | 2023-06-05 | 2023-08-15 | 厦门海辰储能科技股份有限公司 | 气相有害物质处理构件及制备方法、储能装置及用电设备 |
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KR20240057456A (ko) | 2024-05-02 |
KR102615619B1 (ko) | 2023-12-20 |
US20180117522A1 (en) | 2018-05-03 |
WO2018102069A9 (en) | 2018-07-19 |
KR20220028166A (ko) | 2022-03-08 |
CN109963639A (zh) | 2019-07-02 |
WO2018102069A1 (en) | 2018-06-07 |
US20210046417A1 (en) | 2021-02-18 |
JP7344270B2 (ja) | 2023-09-13 |
JP2022045928A (ja) | 2022-03-22 |
JP2019534159A (ja) | 2019-11-28 |
JP7294755B2 (ja) | 2023-06-20 |
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