CN113784787B - 用于净化泄漏化学物质的中和吸附剂、其制备方法和填充有中和吸附剂的中和器 - Google Patents
用于净化泄漏化学物质的中和吸附剂、其制备方法和填充有中和吸附剂的中和器 Download PDFInfo
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- CN113784787B CN113784787B CN202180002269.1A CN202180002269A CN113784787B CN 113784787 B CN113784787 B CN 113784787B CN 202180002269 A CN202180002269 A CN 202180002269A CN 113784787 B CN113784787 B CN 113784787B
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Abstract
本发明涉及一种用于净化泄漏化学物质的中和吸附剂、其制备方法和填充有中和吸附剂的中和器。根据本发明的用于净化泄漏化学物质的中和吸附剂包括40wt%至60wt%的通常可用于中和吸收酸性、碱性和/或有机化学物质的无机吸附剂、20wt%至30wt%的增稠剂、20wt%至30wt%的表面活性剂、以及变色指示剂,并且以固态配制。中和吸附剂,无论化学物质泄漏事故中泄漏的酸性、碱性和/或有机化学物质的类型、性质和特性如何,在迅速和安全地采取初始行动方面都是有效的,由此有助于防止二次事故。此外,当使用中和吸附剂时,无需担忧因酸碱反应产生的水而导致的污染扩散,可通过使用无毒化学品吸附剂使因净化剂而导致另外发生二次污染的担忧减至最小,并且无论泄漏化学物质的类型、性质和特性如何,都可以实时直观地查看到净化过程。此外,当使用填充有根据本发明的用于净化泄漏化学物质的中和吸附剂的中和器时,可以在初始行动过程中更安全有效地净化泄漏的化学物质。
Description
技术领域
本发明涉及一种用于净化泄漏化学物质的中和吸附剂、其制备方法和填充有中和吸附剂的中和器,更具体地,涉及通过迅速、安全且有效地中和无论类型和特性如何都可能会在实验室或工业场所意外发生的化学物质泄漏事故中泄漏的如盐酸、醋酸、氢氟酸、硝酸、硫酸、氢氧化钠或氢氧化钾溶液、过氧化氢、氨水、甲苯、苯等酸性、碱性和/或有机化学物质而有助于防止二次事故的用于净化泄漏化学物质的中和吸附剂、其制备方法和填充有中和吸附剂的中和器。
背景技术
近年来,龟尾和清州的氢氟酸泄漏事故、尚州的盐酸泄漏事故等工业场所的化学品泄漏事故,已经给财产和生命造成了大量损失。此外,在使用大量各种类型化学品的大学或研究所的实验室中,实验过程中经常发生化学品泄漏事故。
当发生此类化学品泄漏事故时,缺少初始行动会导致更严重的二次事故,因此迅速、适当的初始行动对于使财产和生命损失减至最小尤为重要。
目前,在化学品泄漏事故的情况下,通常手动安装围栏或喷洒吸附剂或中和剂作为初始应对方法。在上述龟尾的氢氟酸泄漏事故中,消防员向氢氟酸上喷水,导致事故更加严重。
作为化学品泄漏事故的常规处理,已经使用了单独且严格不同的方法,例如,在酸性化学品泄漏的情况下用碱性化学品中和,在碱性化学品泄漏的情况下用酸性化学品中和,以及在有机化学品泄漏的情况下使用吸附剂或吸收布处理。
当泄漏的化学品的类型和性质未知或使用错误的中和剂时,可能会导致另外的事故。此外,存在通常用于酸性化学品泄漏的中和剂当过量使用时由于残留的碱性化学品而导致二次污染的担忧。
一直存在这样的担忧:用于酸性或碱性用途的常规中和剂扩散,因为当使用中和剂时,酸和碱反应生成水,由此未反应的中和剂与水混合。
此外,由于需要根据泄漏的化学品的类型选择性地使用中和剂,所以延迟了初始行动,并且由于采取初始行动的人难以准确地确定合适的使用量,所以没有迅速且适当地进行中和以及净化,由此极有可能对财产和生命造成额外损失。
因此,常规技术的局限性在于需要根据泄漏的化学品的类型选择性地使用用于酸性或碱性中和的中和剂,并且在有机化学品泄漏事故的情况下对其使用有明确限制。
在化学品泄漏的情况下,作为初始行动的典型常规净化技术如下。
韩国注册专利第10-1605582号(2016年3月16日注册)公开了一种用于中和泄漏的碱性化学品的中和装置,其包括储压式主体容器,容纳有用于中和碱性化学品的中和剂;以及排放单元,包括安装在主体容器上的用于喷洒中和剂的杆、排放软管和安全销,其中,储压式主体容器包含表面活性剂并且处于7至9.8kgf/cm2的加压状态,中和剂为柠檬酸、富马酸、稀盐酸、醋酸或其任意混合物。
此外,韩国待审专利公开文本第10-1996-0010030号(1996年2月14日公布)公开了一种酸性中和剂组合物,其处理和去除微量泄漏的酸、有毒气体等,并由能够在中和反应中顺利反应的碱性物质(三乙醇胺)、易于吸收且中和泄漏的气体或中和反应中产生的气体的气体吸收剂(二乙醇胺)、使反应状态可直观地识别到的茜素红等组成。
此外,韩国待审专利公开文本第10-1997-0009831号(1997年3月27日公布)公开了一种粉末状的酸性中和剂组合物,其处理和去除微量的酸、有毒气体等,并由能够在中和反应中顺利反应的碱性物质(无水碳酸钾、无水碳酸钠、氧化镁)、易于吸收且中和泄漏的气体或中和反应中产生的气体的气体吸收剂、使反应状态可直观地识别到的BTB(颜料)等组成。
然而,所有上述相关技术都可以限制性地应用于特定类型的酸性或碱性化学品,并且不能同时用于酸性和碱性化学品。此外,上述相关技术具有无法净化有机化学品的限制。
在下表1中,根据类型对上述相关技术进行了总结和比较。
表1
同时,韩国实用新型注册第20-0272280号(2002年4月3日注册)公开了一种用于喷洒氯气和氨气的中和剂的装置,韩国注册专利第10-1409521号(2014年6月12日注册)公开了一种用于喷洒湿式和干式中和剂的装置,但它们的问题在于要处理的化学品仅限于特定类型。另外,韩国注册专利第10-2038255号(2019年10月23日注册)公开了一种车载消毒剂喷洒系统,韩国注册专利第10-1951724号(2019年2月19日注册)公开了一种用于喷洒中和剂的车载装置,但它们涉及使用车辆移动到事故现场然后进行处理的技术,并且不是快速初始行动所需的便携类型。
[相关技术文献]
[专利文献]
(专利文献0001)韩国注册专利第10-1605582号(2016年3月16日注册)
(专利文献0002)韩国待审专利公开文本第10-1996-0010030号(1996年2月14日公布)
(专利文献0003)韩国待审专利公开文本第10-1997-0009831号(1997年3月27日公布)
发明内容
本发明的第一个目的是提供一种用于净化泄漏化学物质的中和吸附剂,无论化学物质泄漏事故中泄漏的酸性、碱性和/或有机化学物质的类型、性质和特性如何,该中和吸附剂在迅速和安全地采取初始行动方面都是有效的,由此有助于防止更严重的二次事故。
本发明的第二个目的是提供一种用于净化泄漏化学物质的中和吸附剂,其无需担忧因酸碱反应产生的水而导致的污染扩散,并在使用过程中通过使用无毒化学品吸附剂使因净化剂而导致另外发生二次污染的担忧减至最小。
本发明的第三个目的是提供一种用于净化泄漏化学物质的中和吸附剂,无论泄漏化学物质的类型、性质和特性如何,该中和吸附剂都可以使净化过程实时直观地查看到。
本发明的第四个目的是提供一种根据上述所有目的用于有效制备用于净化泄漏化学物质的中和吸附剂的方法。
本发明的第五个目的是提供一种填充有根据第一至第三个目的所述的用于净化泄漏化学物质的中和吸附剂的中和器,其通过被有效地施用于污染源而实现净化。
本发明的第一至第三个目的可以通过一种用于净化泄漏化学物质的中和吸附剂而顺利实现,该中和吸附剂包括:100重量份的用于净化的中和吸附剂,其包括40wt%至60wt%的、通常可用于中和吸收选自由酸性、碱性和有机化学物质组成的组中的至少一种化学物质的无机吸附剂;20wt%至30wt%的增稠剂;和20wt%至30wt%的表面活性剂;以及0.01-0.02重量份的变色指示剂,其包括甲基红或甲基橙、亚甲蓝和酚酞,其中无机吸附剂为选自由沸石、氧化铝、珍珠岩和膨润土组成的组中的至少一种无机吸附剂,并且中和吸附剂以固态配制。
本发明的第四个目的可以通过用于制备用于净化泄漏化学物质的中和吸附剂的方法顺利实现,该方法包括以下步骤:a)将40wt%-60wt%的至少一种无机吸附剂、20wt%至30wt%的增稠剂和20wt%至30wt%的表面活性剂均匀混合来制备用于净化的中和吸附剂,其中,至少一种无机吸附剂选自由具有30μm至100μm的平均粒径的沸石、氧化铝、珍珠岩和膨润土组成的组,通常可用于中和吸收选自由酸性、碱性和有机化学物质组成的组中的至少一种化学物质;b)将100重量份的用于净化的中和吸附剂与0.01~0.02重量份的变色指示剂混合,其中,变色指示剂包括甲基红或甲基橙、亚甲蓝、和酚酞;c)进行干燥,使水分含量为5wt%至10wt%;d)将包含变色指示剂的干燥后的用于净化的中和吸附剂配制成具有30μm至100μm的平均粒径的粉末形式、具有0.5mm至1.0mm的平均粒径的颗粒形式、或具有1.5至3.0mm的平均粒径的球粒、细粒、薄片或小块形式。
附图说明
通过结合附图详细描述本发明的示例性实施例,本发明的上述和其它目的、特征和优势对于本领域普通技术人员而言将变得更加显而易见,其中:
图1示出了根据本发明的用于制备用于净化泄漏化学物质的中和吸附剂的方法的示意流程图;
图2示出了根据本发明的用于净化泄漏化学物质的中和吸附剂的配制的示意图;
图3示出了根据本发明的灭火器形式的中和器的示意图,中和器填充有用于净化泄漏化学物质的中和吸附剂;
图4示出了根据本发明的储压式喷粉器形式的中和器的示意图,中和器填充有用于净化泄漏化学物质的中和吸附剂。
具体实施方式
下文中,将结合附图详细描述本发明。
应当理解,以下描述通过具体实施例描述了本发明,本发明的技术精神不限于以下描述。此外,提供附图以有助于理解本发明,并且本发明的技术精神不限于附图。
用于净化泄漏化学物质的中和吸附剂的配制
根据本发明的用于净化泄漏化学物质的中和吸附剂包括通常可用于中和吸收酸性、碱性和有机化学物质或其任意混合物的无机吸附剂、增稠剂、表面活性剂和变色指示剂,并以固态配制。
根据本发明的用于净化泄漏化学物质的中和吸附剂可广泛用于各种应用,例如实验室、工业场所等可能发生的泄漏事故中泄漏的化学物质的吸附处理、化学废料的固化处理等。
根据本发明的用于净化泄漏化学物质的中和吸附剂可通过将食品添加剂、化妆品原料和通常用于制备化学物质的原料混合来制备。无机吸附剂可为沸石、氧化铝、珍珠岩、膨润土或其任意混合物,但本发明不限于此。
相对于根据本发明的用于净化泄漏化学物质的中和吸附剂的总重量,无机吸附剂的含量为40wt%至60wt%。例如,当使用一种类型的无机吸附剂时,相对于用于净化泄漏化学物质的中和吸附剂的总重量,所述一种类型的无机吸附剂的含量可以为40wt%至60wt%。当使用至少两种类型的无机吸附剂时,相对于用于净化泄漏化学物质的中和吸附剂的总重量,所述至少两种类型的无机吸附剂的总含量范围可以为40wt%至60wt%。
当无机吸附剂的含量小于40wt%时,可能难以实现根据本发明的用于净化泄漏化学物质的中和吸附剂所期望的用于净化的中和吸附剂的性能。另一方面,当无机吸附剂的含量超过60wt%时,可能降低增稠剂和表面活性剂的活性,或者吸附和凝胶化可能不能很好地进行,从而降低吸附速率。
此外,增稠剂可以是硅胶、硅粉、淀粉、天然纤维素、Hycel、明胶或其任意混合物,但本发明不限于此。
相对于用于净化泄漏化学物质的中和吸附剂的总重量,增稠剂的含量为20wt%至30wt%。例如,当使用一种类型的增稠剂时,相对于用于净化泄漏化学物质的中和吸附剂的总重量,所述一种类型的增稠剂的含量可以为20wt%至30wt%。当使用至少两种类型的增稠剂时,相对于用于净化泄漏化学物质的中和吸附剂的总重量,所述至少两种类型的增稠剂的总含量范围可以为20wt%至30wt%。当增稠剂的含量小于20wt%时,可能难以实现根据本发明的用于净化泄漏化学物质的中和吸附剂所期望的性能。另一方面,当增稠剂的含量超过30wt%时,可能降低无机吸附材料和表面活性剂的活性,或者增稠剂可能堵塞无机吸附材料的孔,从而降低吸附速率。
此外,表面活性剂可为聚丙二醇、聚乙二醇或其混合物,但本发明不限于此。
相对于用于净化泄漏化学物质的中和吸附剂的总重量,表面活性剂的含量为20wt%至30wt%。例如,当使用一种类型的表面活性剂时,相对于用于净化泄漏化学物质的中和吸附剂的总重量,所述一种类型的表面活性剂的含量可以为20wt%至30wt%。当使用至少两种类型的表面活性剂时,相对于用于净化泄漏化学物质的中和吸附剂的总重量,所述至少两种类型的表面活性剂的总含量范围可以为20wt%至30wt%。当表面活性剂的含量小于20wt%时,可能难以实现根据本发明的用于净化泄漏化学物质的中和吸附剂所期望的用于净化的中和吸附剂的性能。另一方面,当表面活性剂的含量超过30wt%时,可能降低无机吸附材料和增稠剂的活性,或者表面活性剂可能会干扰增稠剂的作用,从而降低吸附速率。
同时,变色指示剂可以是甲基红、甲基橙、亚甲蓝、酚酞、天然指示剂(紫甘蓝、茄子、玫瑰等)或其任意混合物,但本发明不限于此。
在这种情况下,甲基红是红色(pH4.4)黄色(pH6.2)的指示剂,甲基橙是红色(pH3.1)/>黄色(pH4.4)的指示剂,酚酞是红色(pH0)/>无色/>紫色(pH8.2)/>无色(pH12)的指示剂,亚甲蓝是氧化环境下深蓝色并且还原环境下浅蓝色的氧化还原指示剂。
在根据本发明的用于净化泄漏化学物质的中和吸附剂中,优选地,包括用于酸性化学物质的中和吸收和净化的酚酞、用于碱性化学物质的中和吸收和净化的甲基橙或甲基红、以及用于有机化学物质的中和吸收和净化的氧化还原指示剂、亚甲蓝。更优选地,包括所有的酚酞、甲基橙或甲基红、和亚甲蓝,具体地,可以含有等量的这些指示剂。
相对于100重量份的用于净化泄漏化学物质的中和吸附剂,变色指示剂的含量可以为0.01至0.02重量份。当变色指示剂的含量超出上述范围时,可能降低本发明所期望的对变色的敏感性。
此外,可选地,相对于100重量份的根据本发明的用于净化泄漏化学物质的中和吸附剂,除臭剂的含量可以为0.1至3.0重量份。除臭剂的示例包括粒状多孔材料,例如,红页岩粉末和硅酸盐矿物粉末。
含有陶瓷除臭剂可有助于去除净化过程中产生的难闻气味。
用于制备用于净化泄漏化学物质的中和吸附剂的方法
接下来,将描述根据本发明的用于制备用于净化泄漏化学物质的中和吸附剂的方法。
图1示出了根据本发明的用于制备用于净化泄漏化学物质的中和吸附剂的方法的示意流程图,根据本发明的用于制备用于净化泄漏化学物质的中和吸附剂的方法包括以下步骤:a)将无机吸附剂、增稠剂、和表面活性剂混合来制备用于净化的中和吸附剂;可选地,b)将用于净化的中和吸附剂与变色指示剂混合;c)将已与指示剂混合的用于净化的中和吸附剂干燥,使水分含量范围为5wt%至10wt%;以及可选地,d)配制具有所需的粒径和形式的干燥后的用于净化的中和吸附剂。
中和吸附剂可以使用压缩成型机配制成球粒或小块形式、使用球磨机等配制成粉末形式、或使用颗粒成型机或薄片成型机配制成细粒或薄片形式。
在这种情况下,在根据本发明的用于制备用于净化泄漏化学物质的中和吸附剂的方法中使用的组分和组成比与上述用于净化泄漏化学物质的中和吸附剂的配制相同。
即,配制包括40wt%至60wt%的无机吸附剂、20wt%至30wt%的增稠剂和20wt%至30wt%的表面活性剂的混合物,并且相对于100重量份的混合物,变色指示剂的含量为0.01至0.02重量份。
由根据本发明的用于制备净化泄漏化学物质的中和吸附剂的方法制备的根据本发明的用于净化泄漏化学物质的中和吸附剂的形式的示例可以参考图2所示的放大图,但这只是一个示例,并不限制根据本发明的用于净化泄漏化学物质的中和吸附剂的形式。
填充有用于净化泄漏化学物质的中和吸附剂的中和器
当酸性、碱性或有机化学物质、或其任意混合物意外泄漏时,可以由采取初始行动的人将根据本发明的用于净化泄漏化学物质的中和吸附剂直接投放或喷洒在泄漏的化学物质上。但是,鉴于使用的方便性和安全性,优选地,使用便携储压式灭火器或储压式喷粉器形式的填充有根据本发明的用于净化泄漏化学物质的中和吸附剂的中和器将中和吸附剂喷洒在距离泄漏的化学物质至少5m处。
填充有根据本发明的用于净化泄漏化学物质的中和吸附剂的中和器,例如,灭火器,可以填充有压力为7至9.8kgf/cm2的氮气或惰性气体。此外,中和器,例如,储压式喷粉器,可以填充有工作压力高达3bar的氮气或惰性气体。
图3和图4分别示出了灭火器和储压式喷粉器形式的中和器的示意图,灭火器和储压式喷粉器分别填充有根据本发明的用于净化泄漏化学物质的中和吸附剂。由于它们的基本结构是已知的,因此将省略对其的附加描述。
图3示出了填充有根据本发明的用于除去化学品泄漏毒性的中和吸附剂的灭火器。附图标记10表示根据本发明的用于净化泄漏的化学物质的中和吸附剂,附图标记20表示主体,附图标记30表示排放单元,附图标记31表示安全销,附图标记32表示控制杆,附图标记33表示排放软管。图4示出了填充有根据本发明的用于去除化学品毒性的中和吸附剂的储压式喷粉器。附图标记50表示根据本发明的用于净化泄漏的化学物质的中和吸附剂,附图标记40表示主体,附图标记60表示安全阀,附图标记70表示活塞泵,附图标记80表示排放单元,附图标记81表示排放软管。这些分别是填充有根据本发明的用于除去泄漏的化学品毒性的中和吸附剂的灭火器形式以及储压式喷粉器的形式的中和剂的示例。由于它们的基本结构是已知的,因此将省略对其的附加描述。
同时,当与表1中所示的相关技术相比较时,填充有根据本发明的用于净化泄漏化学物质的中和吸附剂的灭火器或储压式喷粉器形式的中和器具有以下优势:通过在距离事故现场至少5m处喷洒中和吸附剂较少担忧致命事故,使用方便性高,可以迅速采取初始行动,无需根据酸性、碱性和有机化学物质的区别进行选择能够在紧急时刻立即使用,通过包含表面活性剂抑制有毒气体和液体的蒸发,并且由于中和剂(化学吸附剂)为固体无毒物质,所以无需担忧二次污染。
实施例1:制备用于净化泄漏化学物质的中和吸附剂
相对于用于净化泄漏化学物质的中和吸附剂的总重量,使用作为粉末混合器的螺条混合器,将作为无机吸附剂的50wt%的沸石、作为增稠剂的20wt%的硅粉、和作为表面活性剂的30wt%的聚乙二醇均匀混合一小时,然后将混合物与指示剂混合5分钟,其中指示剂包括等重量的酚酞、甲基橙和亚甲蓝,相对于100重量份的混合物,酚酞、甲基橙和亚甲蓝的量为0.01重量份。
在混合器底部的收集部中收集如此制备的化学品中和吸附剂,并进行干燥,使得水分含量变为7wt%,从而制备用于净化泄漏化学物质的中和吸附剂。
实施例2:制备用于净化泄漏化学物质的中和吸附剂
相对于用于净化泄漏化学物质的中和吸附剂的总重量,使用作为粉末混合器的螺条混合器,将作为无机吸附剂的60wt%的膨润土、作为增稠剂的20wt%的硅胶、和作为表面活性剂的20wt%的聚丙二醇均匀混合一小时,然后将混合物与指示剂混合5分钟,其中指示剂包括等重量的酚酞、甲基橙和亚甲蓝,相对于100重量份的混合物,酚酞、甲基橙和亚甲蓝的量为0.02重量份。
在混合器底部的收集部中收集如此制备的化学品中和吸附剂,并进行干燥,使得水分含量变为7wt%,从而制备用于净化泄漏化学物质的中和吸附剂。
对比例1:制备用于净化泄漏化学物质的中和吸附剂
以与实施例1相同的方式和程序制备用于净化泄漏化学物质的中和吸附剂,不同之处在于,相对于用于净化泄漏化学物质的中和吸附剂的总重量,使用作为无机吸附剂的80wt%的沸石、作为增稠剂的10wt%的硅粉、和作为表面活性剂的10wt%的聚乙二醇。
对比例2:制备用于净化泄漏化学物质的中和吸附剂
以与实施例2相同的方式和程序制备用于净化泄漏化学物质的中和吸附剂,不同之处在于,相对于用于净化泄漏化学物质的中和吸附剂的总重量,使用作为无机吸附剂的50wt%的膨润土、作为增稠剂的10wt%的硅胶、和作为表面活性剂的40wt%的聚丙二醇。
测试例:测量相对于酸性、碱性和有机化学物质的吸附速率
测量实施例1和2以及对比例1和2中制备的用于净化泄漏化学物质的中和吸附剂对每单位克的酸性、碱性和有机化学物质的吸附速率。作为试剂,使用浓盐酸(HCl,35.4%)、氢氧化钠水溶液(通过将20g的NaOH试剂溶解在100ml的水中制备)和苯(99.5%)。
结果如下表2所示。
[表2]
根据表2所示的结果,实施例1和2示出的化学品吸附速率比对比例1和2高约2倍。
可以看出,当如对比例1中使用过量的无机吸附剂时,降低了增稠剂的作用,从而延迟了凝胶化并降低了吸附速率,而当如对比例2中使用过量的表面活性剂时,与实施例2相比,降低了吸附速率。
根据本发明的用于净化泄漏化学物质的中和吸附剂,无论化学物质泄漏事故中泄漏的酸性、碱性和/或有机化学物质的类型、性质和特性如何,在迅速和安全地采取初始行动方面都是有效的,由此有助于防止二次事故。此外,当使用中和吸附剂时,无需担忧因酸碱反应产生的水而导致的污染扩散,可通过使用无毒化学品吸附剂使因净化剂而导致另外发生二次污染的担忧减至最小,并且无论泄漏化学物质的类型、性质和特性如何,都可以实时直观地查看到净化过程。
此外,当使用填充有根据本发明的用于净化泄漏化学物质的中和吸附剂的中和器时,可以在初始行动过程中更安全有效地净化泄漏的化学物质。
虽然已通过示例性实施例描述了本发明,但是本领域的普通技术人员将理解,在不脱离本发明的本质特征的情况下,上述未示出的各种修改和应用是可能的。因此,这些实施例应该仅认为是描述性的,而不是出于限制的目的。本发明的范围不是由本发明的详细描述所限定,而是由所附权利要求所限定,并且在该范围内的所有差异将被解释为包括在本发明中。
工业适用性
根据本发明的用于除去泄漏化学品毒性的中和吸附剂,在酸、碱性和/或有机化学品泄漏的情况下,无论泄漏的化学品的类型、性质和特性如何,快速且安全地提供即时第一响应器。有利于防止二次事故,不存在污染扩散的风险,且可以实时目视检查净化过程。
Claims (6)
1.一种用于净化泄漏化学物质的中和吸附剂,包括:
100重量份的用于净化的中和吸附剂,所述中和吸附剂包括50wt%至60wt%的通常可用于中和吸收选自由酸性、碱性和有机化学物质组成的组中的至少一种化学物质的无机吸附剂、20wt%至30wt%的增稠剂和20wt%至30wt%的表面活性剂;和
0.01-0.02重量份的变色指示剂,所述变色指示剂包括甲基红或甲基橙、亚甲蓝和酚酞,
其中,所述无机吸附剂为选自由沸石、氧化铝、珍珠岩和膨润土组成的组中的至少一种无机吸附剂;
所述中和吸附剂以固态配制。
2.根据权利要求1所述的中和吸附剂,其中,所述增稠剂是选自由硅胶、硅粉、淀粉、天然纤维素和明胶组成的组中的至少一种;
所述表面活性剂是聚乙二醇、丙二醇、或聚乙二醇和丙二醇的混合物;
所述变色指示剂还包括天然指示剂。
3.根据权利要求1所述的中和吸附剂,其中,用于净化泄漏化学物质的所述中和吸附剂的水分含量为5wt%至10wt%。
4.根据权利要求1所述的中和吸附剂,其中,所述无机吸附剂的平均粒径为30μm至100μm,用于净化泄漏化学物质的所述中和吸附剂被配制成具有30μm至100μm的平均粒径的粉末形式、具有0.5mm至1.0mm的平均粒径的颗粒形式、或具有1.5至3.0mm的平均粒径的球粒、细粒、薄片或小块形式。
5.一种用于制备用于净化泄漏化学物质的中和吸附剂的方法,包括以下步骤:
a)将50wt%-60wt%的至少一种无机吸附剂、20wt%至30wt%的增稠剂、和20wt%至30wt%的表面活性剂均匀混合制备用于净化的中和吸附剂,其中,所述至少一种无机吸附剂选自由具有30μm至100μm的平均粒径的沸石、氧化铝、珍珠岩和膨润土组成的组,通常可用于中和吸收选自由酸性、碱性和有机化学物质组成的组中的至少一种化学物质;
b)将100重量份的用于净化的所述中和吸附剂与0.01至0.02重量份的变色指示剂混合,其中,所述变色指示剂包括甲基红或甲基橙、亚甲蓝、和酚酞;
c)进行干燥,使水分含量为5wt%至10wt%;以及
d)将干燥后的包含所述变色指示剂的用于净化的所述中和吸附剂配制成具有30μm至100μm的平均粒径的粉末形式、具有0.5mm至1.0mm的平均粒径的颗粒形式、或具有1.5至3.0mm的平均粒径的球粒、细粒、薄片或小块形式。
6.一种用于净化泄漏化学物质的中和器,所述中和器填充有根据权利要求1所述的用于净化泄漏化学物质的中和吸附剂以及惰性气体或氮气且为灭火器或储压式喷粉器的形式。
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JP2022540737A (ja) | 2022-09-20 |
KR102142494B1 (ko) | 2020-08-07 |
US20220339599A1 (en) | 2022-10-27 |
WO2021201543A1 (ko) | 2021-10-07 |
EP3915653A4 (en) | 2022-12-14 |
EP3915653A1 (en) | 2021-12-01 |
JP7288967B2 (ja) | 2023-06-08 |
CN113784787A (zh) | 2021-12-10 |
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