CN112535903A - 生物柴油过滤用复合吸水材料、复合吸水滤芯及制作方法 - Google Patents
生物柴油过滤用复合吸水材料、复合吸水滤芯及制作方法 Download PDFInfo
- Publication number
- CN112535903A CN112535903A CN202011268040.6A CN202011268040A CN112535903A CN 112535903 A CN112535903 A CN 112535903A CN 202011268040 A CN202011268040 A CN 202011268040A CN 112535903 A CN112535903 A CN 112535903A
- Authority
- CN
- China
- Prior art keywords
- composite water
- filtering
- biodiesel
- water absorbing
- filter element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0202—Separation of non-miscible liquids by ab- or adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/18—Handling of layers or the laminate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/16—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer formed of particles, e.g. chips, powder or granules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/30—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being formed of particles, e.g. chips, granules, powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/10—Interconnection of layers at least one layer having inter-reactive properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0407—Additives and treatments of the filtering material comprising particulate additives, e.g. adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
- B01D2239/0681—The layers being joined by gluing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/08—Special characteristics of binders
- B01D2239/083—Binders between layers of the filter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Filtering Materials (AREA)
Abstract
本发明公开了一种生物柴油过滤用复合吸水材料、复合吸水滤芯及制作方法,涉及油品处理材料技术领域,复合吸水材料包括以下重量份原料:吸水颗粒5‑60份;粘合剂1‑30份,本发明还公开了使用复合吸水材料制成的复合吸水滤芯,以及该复合吸水滤芯的制作方法。本发明的有益效果是,采用吸水颗粒、粘合剂制成生物柴油过滤用复合吸水材料,具有物理化学性能稳定,耐油,耐氧化,吸水速度快,吸水容量大,产量高,工艺稳定等优点。
Description
技术领域
本发明涉及油品处理材料技术领域,尤其涉及一种生物柴油过滤用复合吸水材料、复合吸水滤芯及制作方法。
背景技术
生物柴油的性质与0#柴油相似,可把其作为柴油的代用燃料,与柴油以一定比例掺混后在发动机上使用。生物柴油在加工、运输、出售、使用等过程中,常使用吸水过滤材料来过滤水杂,提高油品质量。
以植物油为原料生产的生物柴油中含有大量的不饱和脂肪酸脂,在加工、存储和使用过程中极易受到光、热、氧和金属离子的作用而发生热聚合和氧化聚合反应。这些反应容易生产一些溶性或不可溶性的聚合物、老化酸和过氧化物,在微量水的作用下,会造成常用吸水过滤材料堵塞、腐蚀、老化等不良现象,减弱吸水过滤材料的吸水能力,甚至出现局部吸水过滤材料吸水性能失效等情况。
为解决在生物柴油(或生物柴油与车用柴油混合液)中,吸水过滤材料吸水能力减弱或失效的技术问题,急需开发一种能用于生物柴油过滤的吸水材料。
发明内容
为解决上述技术问题,本发明公开了一种生物柴油过滤用复合吸水材料、复合吸水滤芯及制作方法。
为实现上述目的,本发明采用下述技术方案:
一种生物柴油过滤用复合吸水材料,包括以下重量份原料:
吸水颗粒 5-60份;
粘合剂 1-30份。
作为本发明进一步地优选,包括以下重量份原料:
吸水颗粒 10份;
粘合剂 1份。
作为本发明进一步地优选,所述吸水颗粒选自聚丙烯酸盐类、海藻酸盐类、羟丙基甲基纤维素、羟乙基甲基纤维素中的一种或多种。
作为本发明进一步地优选,所述粘合剂选自PA热熔胶粉、TPU热熔胶粉、PES热熔胶粉、乙烯-醋酸乙烯共聚物、尼龙、高密度聚乙烯、低密度聚乙烯、热塑性聚氨酯弹性体橡胶、聚对苯二甲酸乙二醇酯中的一种或多种。
本发明的第二个目的在于公开一种生物柴油过滤用复合吸水滤芯,该滤芯采用上述的生物柴油过滤用复合吸水材料制成。
本发明的第三个目的在于公开了一种生物柴油过滤用复合吸水滤芯的制作方法,该方法包括以下步骤:
(1)将吸水颗粒与粘合剂按比例分别投入V型混合机中,启动V型混合机,混合30min,即可得复合吸水材料;
(2)将制得的复合吸水材料投入撒粉机的料斗中,均匀撒在一层滤布上,在撒有复合吸水材料的滤布上方再覆盖一层滤布,将两层滤布同时置于烘箱中烘烤,粘合剂受热粘性增大将两层滤布粘结,再经冷风机降温将复合吸水材料中的吸水颗粒固定于两层滤布中,利用分切刀切成不同尺寸,并在收卷机中包卷成品,即制得生物柴油过滤用复合吸水滤芯。
作为本发明进一步地优选,步骤(2)中,控制撒粉机的撒粉量为250±30g/平方米。
作为本发明进一步地优选,步骤(1)中,设定V型混合机正转5min,再反转5min。
本发明的有益效果是,
高吸水性树脂作为吸水颗粒,具有遇水反应速度快,高吸水倍率,吸水后机械强度高,受温度影响小等优点;粘合剂软化点在100-300℃,软化后粘结能力强,降温后30min之内固化成型,常温状态下物理化学性能稳定,机械强度高,结构可靠性高。
采用吸水颗粒、粘合剂制成生物柴油过滤用复合吸水材料,具有物理化学性能稳定,耐油,耐氧化,吸水速度快,吸水容量大,产量高,工艺稳定等优点;由该复合吸水材料制成的滤芯可用做生物柴油加油机过滤芯,应用于油罐、油箱底部除水,空气干燥过滤等场合,应用范围广。
附图说明
图1为本发明实施例复合吸水滤芯制备过程示意图;
图2为本发明实施例测试方法一中循环过滤装置结构示意图;
图3为本发明实施例测试方法二中循环过滤装置结构示意图。
其中,1-上层滤布架;2-下层滤布架;3-料斗;4-烘箱;5-冷风机;6-分切刀;7-收卷机;8-容器Ⅰ;9-流量计;10-滤清器Ⅰ;11-压力表;12-油泵;13-烧杯;14-滤清器Ⅱ;15-阀门;16-容器Ⅱ;17-调压阀;18-空压机。
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做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例1
一种生物柴油过滤用复合吸水材料,包括以下重量份原料:
吸水颗粒50kg,粘合剂5kg。
其中,吸水颗粒为15kg聚丙烯酸钠和35kg羟丙基甲基纤维素,粘合剂为4.5kg PA热熔胶粉和0.5kg PES热熔胶粉。
实施例2
一种生物柴油过滤用复合吸水材料,包括以下重量份原料:
吸水颗粒50kg,粘合剂15kg。
其中,吸水颗粒为海藻酸钠,粘合剂为TPU热熔胶粉。
实施例3
一种生物柴油过滤用复合吸水材料,包括以下重量份原料:
吸水颗粒50kg,粘合剂12.5kg。
其中,吸水颗粒为40kg海藻酸钠和10kg羟丙基甲基纤维素,粘合剂为10kg PA热熔胶粉和2.5kg PES热熔胶粉。
实施例4
一种生物柴油过滤用复合吸水滤芯的制作方法,如图1所示的制备过程示意图,该方法包括以下步骤:
(1)将实施例1中的50kg吸水颗粒与5kg粘合剂分别投入V型混合机中,启动V型混合机,正转5min,再反转5min,混合30min,即可得复合吸水材料;
(2)复合吸水滤芯制备过程中,如图1所示,上层滤布通过上层滤布架1铺展,下层滤布通过下层滤布架2铺展,且两层滤布之间留有一定的间隙。将制得的复合吸水材料投入撒粉机的料斗3中,均匀的撒在传送过来的下层滤布上,在撒有复合吸水材料的滤布上方再覆盖一层传送来的上层滤布,将两层滤布同时置于烘箱4中烘烤,粘合剂受热粘性增大将两层滤布粘结,再经后方的冷风机5降温,将复合吸水材料中的吸水颗粒固定于两层滤布中,再利用分切刀6切成不同尺寸,并在后方的收卷机7中包卷成品,即制得不同尺寸的生物柴油过滤用复合吸水滤芯。
实施例5
选用B5生物柴油作为测试用油,下面将实施例4所制得的生物柴油过滤用复合吸水滤芯与常用的洗水棉滤芯的吸水性能进行比较,测试方法分为两种。
测试方法一
测试过程如下:
1、将待测试滤芯安装于图2中的滤清器Ⅰ10中;
2、向容器Ⅰ8中倒入30L含水率低于100PPM的B5生物柴油,确认流量计9和压力表11清零;
3、启动底部油泵12,将B5生物柴油从容器中经管线抽出,再回送回容器过程中,如此循环,初始流量60L/min;
4、油泵12、压力表11、流量计9稳定后,每隔5分钟向容器中心位置加入纯净水5ml,并观察记录压力表11、流量计9的示数,直至流量降低至40L/min,停止加水;
5、随着油泵12运行时间的延长,流量计9示数逐渐增大,流量增大至60L/min后,重复步骤4;
6、如此循环步骤4和5,直至流量计9示数累计值达到50万升,停泵完成测试。
测试方法二
测试过程如下:
1、将待测试滤芯安装于图3中的滤清器Ⅱ14中;
2、容器Ⅱ16中存放有20L、25℃的纯净水;
3、开启空压机18,待空压机18自动停止工作后,调节调压阀17,使压力表11的示数为0.34MPa;
4、开启阀门15,并计时,观察并记录烧杯13中的每分钟出水量,累计记录3分钟。
本发明测试方法一和测试方法二中的待测滤芯包括三个常用的吸水棉滤芯和实施例4制得的复合吸水滤芯,吸水棉滤芯分别标记为吸水棉滤芯1、吸水棉滤芯2和吸水棉滤芯3,复合吸水滤芯标记为复合吸水滤芯1、复合吸水滤芯2和复合吸水滤芯3。
当直接采用测试方法二中的测试方法对待测滤芯分别进行测试后,出水量统计数据如表1所示。
表1出水量结果
滤芯类型 | 1min | 2min | 3min |
吸水棉滤芯1 | 1890ml | 250ml | 80ml |
吸水棉滤芯2 | 1960ml | 190ml | 60ml |
吸水棉滤芯3 | 1750ml | 160ml | 60ml |
复合吸水滤芯1 | 1580ml | 150ml | 70ml |
复合吸水滤芯2 | 1690ml | 230ml | 60ml |
复合吸水滤芯3 | 1860ml | 220ml | 60ml |
先采用测试方法一中的测试方法对对待测滤芯分别进行测试,再按照测试方法二中的测试方法对对待测滤芯进行测试,出水量统计数据如表2所示。
表2出水量结果
滤芯类型 | 1min | 2min | 3min |
吸水棉滤芯1 | 7560ml | 1630ml | 1590ml |
吸水棉滤芯2 | 5900ml | 2630ml | 2600ml |
吸水棉滤芯3 | 6100ml | 2840ml | 2490ml |
复合吸水滤芯1 | 1360ml | 150ml | 70ml |
复合吸水滤芯2 | 1480ml | 230ml | 60ml |
复合吸水滤芯3 | 1310ml | 220ml | 60ml |
测试方法一和测试方法二对比可知,常见的吸水棉滤芯在B5生物柴油中加水冲刷后,其吸水性能呈下降趋势,而复合吸水滤芯在B5生物柴油中加水冲刷后仍保持良好的吸水性能。
这是因为:吸水棉材料中吸水材料主要为纤维长丝状,在吸收少量水分后,变为近似凝胶状态,机械强度下降,在生物柴油的氧化、腐蚀、冲刷作用下,较容易出现纤维局部断裂,甚至失效等情况。而复合吸水材料中,吸水颗粒初始体积较大,多呈球状或近似球状,在吸水少量水分后,仍能保持较高的机械强度,在生物柴油的氧化、腐蚀、冲刷作用下,仍能保持良好的吸水性能。
实施例6
将常用的吸水棉滤芯1和实施例4所制得的复合吸水滤芯1,分别安装于上海某加油站中,安装使用一个月后,再拆回滤芯,均采用测试方法二进行测试,出水量统计数据如表3所示。
表3出水量结果
滤芯类型 | 1min | 2min | 3min |
吸水棉滤芯1 | 12520ml | 4690ml | 4260ml |
吸水棉滤芯2 | 10950ml | 5120ml | 4650ml |
复合吸水滤芯1 | 500ml | 19ml | 15ml |
复合吸水滤芯2 | 200ml | 13ml | 12ml |
当然,上述说明并非是对本发明的限制,本发明也并不仅限于上述举例,本技术领域的技术人员在本发明的实质范围内所做出的变化、改型、添加或替换,也应属于本发明的保护范围。
Claims (8)
1.一种生物柴油过滤用复合吸水材料,其特征在于,包括以下重量份原料:
吸水颗粒 5-60份;
粘合剂 1-30份。
2.如权利要求1所述的一种生物柴油过滤用复合吸水材料,其特征在于,包括以下重量份原料:
吸水颗粒 10份;
粘合剂 1份。
3.如权利要求2所述的一种生物柴油过滤用复合吸水材料,其特征在于,所述吸水颗粒选自聚丙烯酸盐类、海藻酸盐类、羟丙基甲基纤维素、羟乙基甲基纤维素中的一种或多种。
4.如权利要求2所述的一种生物柴油过滤用复合吸水材料,其特征在于,所述粘合剂选自PA热熔胶粉、TPU热熔胶粉、PES热熔胶粉、乙烯-醋酸乙烯共聚物、尼龙、高密度聚乙烯、低密度聚乙烯、热塑性聚氨酯弹性体橡胶、聚对苯二甲酸乙二醇酯中的一种或多种。
5.一种生物柴油过滤用复合吸水滤芯,其特征在于,该滤芯采用如权利要求1-4中任一所述的生物柴油过滤用复合吸水材料制成。
6.一种如权利要求5所述生物柴油过滤用复合吸水滤芯的制作方法,其特征在于,该方法包括以下步骤:
(1)将吸水颗粒与粘合剂按比例分别投入V型混合机中,启动V型混合机,混合30min,即可得复合吸水材料;
(2)将制得的复合吸水材料投入撒粉机的料斗中,均匀撒在一层滤布上,在撒有复合吸水材料的滤布上方再覆盖一层滤布,将两层滤布同时置于烘箱中烘烤,粘合剂受热粘性增大将两层滤布粘结,再经冷风机降温将复合吸水材料中的吸水颗粒固定于两层滤布中,利用分切刀切成不同尺寸,并在收卷机中包卷成品,即制得生物柴油过滤用复合吸水滤芯。
7.如权利要求5所述的生物柴油过滤用复合吸水滤芯的制作方法,其特征在于,步骤(2)中,控制撒粉机的撒粉量为250±30g/平方米。
8.如权利要求1所述的生物柴油过滤用复合吸水滤芯的制作方法,其特征在于,步骤(1)中,设定V型混合机正转5min,再反转5min。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011268040.6A CN112535903A (zh) | 2020-11-13 | 2020-11-13 | 生物柴油过滤用复合吸水材料、复合吸水滤芯及制作方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011268040.6A CN112535903A (zh) | 2020-11-13 | 2020-11-13 | 生物柴油过滤用复合吸水材料、复合吸水滤芯及制作方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112535903A true CN112535903A (zh) | 2021-03-23 |
Family
ID=75014864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011268040.6A Pending CN112535903A (zh) | 2020-11-13 | 2020-11-13 | 生物柴油过滤用复合吸水材料、复合吸水滤芯及制作方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112535903A (zh) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020005928A1 (en) * | 2018-06-25 | 2020-01-02 | Zephyros, Inc. | Functional insert for nonwoven materials |
CN111359307A (zh) * | 2020-03-31 | 2020-07-03 | 青岛澳波环保科技有限责任公司 | 一种油品处理用吸水过滤材料、制备方法及其应用 |
-
2020
- 2020-11-13 CN CN202011268040.6A patent/CN112535903A/zh active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020005928A1 (en) * | 2018-06-25 | 2020-01-02 | Zephyros, Inc. | Functional insert for nonwoven materials |
CN111359307A (zh) * | 2020-03-31 | 2020-07-03 | 青岛澳波环保科技有限责任公司 | 一种油品处理用吸水过滤材料、制备方法及其应用 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105670039B (zh) | 一种高成炭可膨胀石墨及其在聚氨酯硬质泡沫中的应用 | |
CN103059553B (zh) | 一种制备不吐霜的热塑性聚氨酯弹性体方法 | |
CN108499497A (zh) | 一种石墨烯微胶囊、智能调温纤维及其制备方法 | |
CN105542114B (zh) | 一种软段中含有氰基的热塑性聚氨酯弹性体及其制备方法 | |
CN102451691A (zh) | 一种镍基加氢催化剂的制备方法 | |
CN108864404A (zh) | 一种异氰酸酯增强的咖啡渣复合材料及其制备方法 | |
CN104162625B (zh) | 一种铸造用粘结剂及其制备方法 | |
CN112535903A (zh) | 生物柴油过滤用复合吸水材料、复合吸水滤芯及制作方法 | |
CN101767004B (zh) | 粗对苯二甲酸加氢催化剂的制备方法 | |
JP2017082211A (ja) | 溶解性に優れる細孔水溶性非イオン性セルロースエーテル及びその製造方法 | |
CN106188313B (zh) | 生产纯化的低取代羟丙基纤维素的方法 | |
CN116120123B (zh) | 一种生物质基膜、包膜控释肥料及其制备方法和应用 | |
CN108283921A (zh) | 60孔scr脱硝催化剂模块及其制备方法 | |
CN110917722A (zh) | 一种复合式空气滤网制备方法 | |
CN110938195A (zh) | 一种聚酯的制备方法及聚酯 | |
CN116421576A (zh) | 一种植物软胶囊及其制备方法 | |
CN101575487A (zh) | 碱木素氧化淀粉改性脲醛胶及其生产方法 | |
CN114752260A (zh) | 铅笔用树脂笔芯、其制备方法和由其制得的铅笔 | |
CN101653427A (zh) | 包膜维生素c颗粒及其制备方法 | |
CN111790402B (zh) | 一种co偶联催化剂的制备方法 | |
CN103993509A (zh) | 一种质量稳定的负载氧化锆的汽车用空气滤纸及其制备方法 | |
CN108708224B (zh) | 一种纸基粘胶复合材料的生产工艺 | |
CN114395386A (zh) | 一种有脱硫化氢功能的气井用固体泡沫排水剂及制备方法 | |
CN109609059B (zh) | 储存期长的香烟滤嘴棒成型热熔胶及其生产装置 | |
CN101560368B (zh) | 三元乙丙橡胶与金属骨架黏合用涂覆型黏合剂及制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210323 |
|
RJ01 | Rejection of invention patent application after publication |