CN113262812A - 一种可控颜色的沸石改性方法 - Google Patents
一种可控颜色的沸石改性方法 Download PDFInfo
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- CN113262812A CN113262812A CN202110512620.3A CN202110512620A CN113262812A CN 113262812 A CN113262812 A CN 113262812A CN 202110512620 A CN202110512620 A CN 202110512620A CN 113262812 A CN113262812 A CN 113262812A
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- zeolite
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- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 239000010457 zeolite Substances 0.000 title claims abstract description 77
- 229910021536 Zeolite Inorganic materials 0.000 title claims abstract description 76
- 238000002715 modification method Methods 0.000 title claims description 9
- 239000002994 raw material Substances 0.000 claims abstract description 54
- 238000001354 calcination Methods 0.000 claims abstract description 47
- 238000000034 method Methods 0.000 claims abstract description 39
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 36
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
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- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 2
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
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- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
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Abstract
本发明公开了一种可控颜色的沸石改性方法,涉及环保装饰材料领域。本发明包括原料预处理、煅烧、冷却和成品处理四大工序,具体包括以下步骤:Step1:对沸石原料进行破碎‑筛分的整粒处理,具体将沸石原料分别处理成粉状、颗粒状和较大块状物料;Step2:将不同粒度的沸石原料按要求做洗涤和光催化剂负载处理,并进一步做无机着色剂负载处理和湿法处理;Step3:基于上述步骤,完成上述处理后进行烘干;Step4:对上述步骤的预处理原料进行煅烧处理。本发明采用天然沸石为原料,通过控制原料预处理方式、煅烧温度、煅烧时间、冷却制度等方式,在提高沸石吸附量、负载光催化剂降解甲醛和其他挥发性有机污染物的功能的前提下,实现颜色可控的要求。
Description
技术领域
本发明涉及环保装饰材料领域,特别是涉及一种可控颜色的沸石改性方法。
背景技术
现代家装中涂料、板材等装饰材料,存在甲醛、苯、挥发性有机化合物及氨等有毒害物质,严重威胁人们的健康,解决这一问题应从量方面着手,一方面选用环保材料,减少污染物,另一方面强化去除污染物,沸石具有离子交换性、吸附分离性、催化性、稳定性、化学反应性、可逆的脱水性、电导性等,在化工、医药、环保、建材等领域有着广泛应用,沸石由于其吸附性和可负载光催化剂等性能,经过加工后,能够吸附或分级室内甲醛、苯等有害气体,成为真石漆、涂料、工艺品等室内装饰材料的新宠;
但室内装潢中对颜色的要求越来越高,而沸石通常为白色或砖红色,在不加入着色剂的前提下,很难满足人们对于颜色的要求,加入有机颜料又带来新的污染物,同时影响沸石的吸附性和负载光催化剂的性能;因此,我们提出一种可控颜色的沸石改性方法。
发明内容
本发明的目的在于提供一种可控颜色的沸石改性方法,以解决上述背景中提出的问题。
为解决上述技术问题,本发明是通过以下技术方案实现的:
本发明为一种可控颜色的沸石改性方法,包括原料预处理、煅烧、冷却和成品处理四大工序,具体包括以下步骤:
Step1:对沸石原料进行破碎-筛分的整粒处理,具体将沸石原料分别处理成粉状、颗粒状和较大块状物料;
Step2:将不同粒度的沸石原料按要求做洗涤和光催化剂负载处理,并进一步做无机着色剂负载处理和湿法处理;
Step3:基于上述步骤,完成上述处理后进行烘干;
Step4:对上述步骤的预处理原料进行煅烧处理;
Step5:煅烧过程中通过控制煅烧温度、气氛与无机着色剂配合控制改性沸石颜色;
Step6:煅烧环节初步完成后将煅烧沸石温度降低到适宜下一工序的处理温度;
Step7:基于上述步骤,同时控制降温速度和气氛,完成颜色固定;
Step8:按照产品设计,将典型的大块沸石与原料预处理和煅烧配合,制成拼色工艺品摆件,或进行雕刻处理;
Step9:按照产品设计,将粉状粒状产品进行破碎筛分整理成不同粒度产品,适应不同用途的要求;
Step10:完成可控颜色的沸石改性。
优选地,所述原料预处理工序,用于原料及产品粒度控制、原料清洗和光催化剂负载;所述煅烧工序,用于天然沸石改性处理,使沸石固定光催化剂,并控制产品颜色;所述冷却工序,用于冷却煅烧沸石到适宜下一步工序处理的温度,同时影响成品颜色;所述成品处理,用于改性沸石工艺品加工、产品破碎筛分处理。
优选地,所述Step1中,将沸石原料处理成10mm-1000mm的块状物料、0.5mm-10mm的粒状物料和0.5mm-0.006mm的粉状物料。
优选地,所述Step2中光催化剂负载采用室温紫外光或是可见光即可分解阳光甲醛或其他挥发性有机污染物的TiO2或Bi基催化剂。
优选地,所述Step4中,煅烧处理时升温速度5℃/min-50℃/min,保温温度300℃-1100℃,煅烧气氛5-20%含氧量,煅烧时间2-10h。
优选地,所述Step6中,冷却处理时降温速度20℃/min-80℃/min,气氛选氮气保护或空气冷却。
优选地,所述Step8-Step9中,成品处理时将大块物料整理成为工艺品摆件,粒状、粉状物理经过破碎筛分处理成各种粒度规格的粒状或粉状物料。
本发明具有以下有益效果:
一、本发明可控颜色的沸石改性方法采用天然沸石为原料,通过控制原料预处理方式、煅烧温度、煅烧时间、冷却制度等方式,在提高沸石吸附量、负载光催化剂降解甲醛和其他挥发性有机污染物的功能的前提下,可实现颜色可控,以适宜现代家装材料要求。
二、本发明可控颜色的沸石改性方法针对天然沸石改性和负载光催化剂加工产品颜色问题,能够做到改性沸石产品颜色可控,满足现代家装对材料颜色的要求,同时具备极好的吸附性和光催化性能,起到吸附分解污染物的作用。
三、本发明可控颜色的沸石改性方法操作便捷,操作成本低,操作效率高,适应性强,使其具备很强的推广价值。
当然,实施本发明的任一产品并不一定需要同时达到以上所述的所有优点。
附图说明
为了更清楚地说明本发明实施例的技术方案,下面将对实施例描述所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1为本发明的一种可控颜色的沸石改性方法流程图。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,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作出创造性劳动前提下所获得的所有其它实施例,都属于本发明保护的范围。
请参阅图1所示:本发明为一种可控颜色的沸石改性方法,包括原料预处理、煅烧、冷却和成品处理四大工序,具体包括以下步骤:
Step1:对沸石原料进行破碎-筛分的整粒处理,具体将沸石原料分别处理成粉状、颗粒状和较大块状物料;
Step2:将不同粒度的沸石原料按要求做洗涤和光催化剂负载处理,并进一步做无机着色剂负载处理和湿法处理;
Step3:基于上述步骤,完成上述处理后进行烘干;
Step4:对上述步骤的预处理原料进行煅烧处理;
Step5:煅烧过程中通过控制煅烧温度、气氛与无机着色剂配合控制改性沸石颜色;
Step6:煅烧环节初步完成后将煅烧沸石温度降低到适宜下一工序的处理温度;
Step7:基于上述步骤,同时控制降温速度和气氛,完成颜色固定;
Step8:按照产品设计,将典型的大块沸石与原料预处理和煅烧配合,制成拼色工艺品摆件,或进行雕刻处理;
Step9:按照产品设计,将粉状粒状产品进行破碎筛分整理成不同粒度产品,适应不同用途的要求;
Step10:完成可控颜色的沸石改性。
其中,原料预处理工序,用于原料及产品粒度控制、原料清洗和光催化剂负载;煅烧工序,用于天然沸石改性处理,使沸石固定光催化剂,并控制产品颜色;冷却工序,用于冷却煅烧沸石到适宜下一步工序处理的温度,同时影响成品颜色;成品处理,用于改性沸石工艺品加工、产品破碎筛分处理。
其中,Step1中,将沸石原料处理成10mm-1000mm的块状物料、0.5mm-10mm的粒状物料和0.5mm-0.006mm的粉状物料。
其中,Step2中光催化剂负载采用室温紫外光或是可见光即可分解阳光甲醛或其他挥发性有机污染物的TiO2或Bi基催化剂。
其中,Step4中,煅烧处理时升温速度5℃/min-50℃/min,保温温度300℃-1100℃,煅烧气氛5-20%含氧量,煅烧时间2-10h。
其中,Step6中,冷却处理时降温速度20℃/min-80℃/min,气氛选氮气保护或空气冷却。
其中,Step8-Step9中,成品处理时将大块物料整理成为工艺品摆件,粒状、粉状物理经过破碎筛分处理成各种粒度规格的粒状或粉状物料。
本具体实施方式采用以下技术方案:天然沸石原料进行工序1原料预处理,预处理包括将沸石原料破碎-筛分的整粒处理,可将沸石原料处理成粉状、颗粒状和较大块状物料,将不同粒度的沸石原料按要求做洗涤、光催化剂负载处理,无机着色剂负载处理、湿法处理后进行烘干处理;工序2煅烧是对预处理原料进行煅烧处理,目的在于去除沸石空隙内有机质及可分解无机矿物,增大空隙率,强化吸附性能,同时通过控制煅烧温度、气氛与无机着色剂配合控制改性沸石颜色;工序3冷却工序,其目的在于将煅烧沸石温度降低到适宜下一工序处理温度,同时控制降温速度和气氛,完成颜色固定;工序4成品处理,按照产品设计,将改性定色沸石处理成各类产品,典型的大块沸石与原料预处理、煅烧等配合、可以制成拼色工艺品摆件,也可进行雕刻处理,粉状粒状产品可以进行破碎筛分整理成不同粒度产品,以适应不同用途的要求。
实施例一
以辽宁北票青绿色沸石为原料,破碎拣选平均粒径为300mm的大块沸石,经去离子水清洗后,浸渍涂覆负载Ti基光催化剂,负载量5%-25%TiO2;烘干后,入炉煅烧,升温速度10℃/min,保温温度450℃,保温时间3h,弱氧化气氛煅烧;降温速度50℃/min,弱氧化气氛冷却。煅烧后改性沸石,粒度不变,颜色为橙红色,吸附量提高25%左右,40L光催化分解甲醛试验表明光照20min,甲醛分解率为34%。
实施例二
以辽宁北票青绿色沸石为原料,经破碎筛分整粒得到2mm-5mm粒状沸石颗粒,经去离子水清洗后,浸渍涂覆负载Ti基光催化剂,负载量5%-45%TiO2;烘干后,入炉煅烧,升温速度5℃/min,保温温度450℃,保温时间2h,弱还原气氛煅烧;降温速度50℃/min,氮气保护。煅烧后改性沸石,粒度不变,颜色为青绿色,吸附量提高35%左右,40L光催化分解甲醛试验表明光照20min,甲醛分解率为42%。
实施例三
以辽宁北票青绿色沸石为原料,经破碎筛分整粒得到0.5mm-0.35mm粒状沸石颗粒,经去离子水清洗后,浸渍涂覆负载Ti基光催化剂,负载量5%-45%TiO2;烘干后,入炉煅烧,升温速度5℃/min,保温温度450℃,保温时间2h,弱还原气氛煅烧;降温速度50℃/min,自然风。煅烧后改性沸石,粒度不变,颜色为灰白色,吸附量提高35%左右,40L光催化分解甲醛试验表明光照20min,甲醛分解率为39%。
本方案中,原料预处理工序包括:整粒、光催化剂负载、洗涤、烘干步骤,为煅烧改性定色提供原料;煅烧工序将经预处理原料按照预定颜色、吸附性能,调节煅烧升温速度、保温温度、保温时间、气氛进行煅烧;冷却工序将完成煅烧沸石原料冷却至出窑温度,可调节冷却降温速度、出窑温度、冷却气氛等;成品处理是将改性定色沸石进行拼接、破碎、筛分、负载催化剂等作业,将改性定色沸石处理成颜色可调、吸附性好、可吸收讲解甲醛的,适用于工艺品摆件、真石漆涂料等装饰材料成品。
在本说明书的描述中,参考术语“一个实施例”、“示例”、“具体示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中,对上述术语的示意性表述不一定指的是相同的实施例或示例。而且,描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
以上公开的本发明优选实施例只是用于帮助阐述本发明。优选实施例并没有详尽叙述所有的细节,也不限制该发明仅为所述的具体实施方式。显然,根据本说明书的内容,可作很多的修改和变化。本说明书选取并具体描述这些实施例,是为了更好地解释本发明的原理和实际应用,从而使所属技术领域技术人员能很好地理解和利用本发明。本发明仅受权利要求书及其全部范围和等效物的限制。
Claims (7)
1.一种可控颜色的沸石改性方法,其特征在于,包括原料预处理、煅烧、冷却和成品处理四大工序,具体包括以下步骤:
Step1:对沸石原料进行破碎-筛分的整粒处理,具体将沸石原料分别处理成粉状、颗粒状和较大块状物料;
Step2:将不同粒度的沸石原料按要求做洗涤和光催化剂负载处理,并进一步做无机着色剂负载处理和湿法处理;
Step3:基于上述步骤,完成上述处理后进行烘干;
Step4:对上述步骤的预处理原料进行煅烧处理;
Step5:煅烧过程中通过控制煅烧温度、气氛与无机着色剂配合控制改性沸石颜色;
Step6:煅烧环节初步完成后将煅烧沸石温度降低到适宜下一工序的处理温度;
Step7:基于上述步骤,同时控制降温速度和气氛,完成颜色固定;
Step8:按照产品设计,将典型的大块沸石与原料预处理和煅烧配合,制成拼色工艺品摆件,或进行雕刻处理;
Step9:按照产品设计,将粉状粒状产品进行破碎筛分整理成不同粒度产品,适应不同用途的要求;
Step10:完成可控颜色的沸石改性。
2.根据权利要求1所述的一种可控颜色的沸石改性方法,其特征在于,所述原料预处理工序,用于原料及产品粒度控制、原料清洗和光催化剂负载;所述煅烧工序,用于天然沸石改性处理,使沸石固定光催化剂,并控制产品颜色;所述冷却工序,用于冷却煅烧沸石到适宜下一步工序处理的温度,同时影响成品颜色;所述成品处理,用于改性沸石工艺品加工、产品破碎筛分处理。
3.根据权利要求1所述的一种可控颜色的沸石改性方法,其特征在于,所述Step1中,将沸石原料处理成10mm-1000mm的块状物料、0.5mm-10mm的粒状物料和0.5mm-0.006mm的粉状物料。
4.根据权利要求1所述的一种可控颜色的沸石改性方法,其特征在于,所述Step2中光催化剂负载采用室温紫外光或是可见光即可分解阳光甲醛或其他挥发性有机污染物的TiO2或Bi基催化剂。
5.根据权利要求1所述的一种可控颜色的沸石改性方法,其特征在于,所述Step4中,煅烧处理时升温速度5℃/min-50℃/min,保温温度300℃-1100℃,煅烧气氛5-20%含氧量,煅烧时间2-10h。
6.根据权利要求1所述的一种可控颜色的沸石改性方法,其特征在于,所述Step6中,冷却处理时降温速度20℃/min-80℃/min,气氛选氮气保护或空气冷却。
7.根据权利要求1所述的一种可控颜色的沸石改性方法,其特征在于,所述Step8-Step9中,成品处理时将大块物料整理成为工艺品摆件,粒状、粉状物理经过破碎筛分处理成各种粒度规格的粒状或粉状物料。
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