CN105944669A - Preparation method of foam with purifying material adhered thereto - Google Patents
Preparation method of foam with purifying material adhered thereto Download PDFInfo
- Publication number
- CN105944669A CN105944669A CN201610332529.2A CN201610332529A CN105944669A CN 105944669 A CN105944669 A CN 105944669A CN 201610332529 A CN201610332529 A CN 201610332529A CN 105944669 A CN105944669 A CN 105944669A
- Authority
- CN
- China
- Prior art keywords
- mixed solution
- purification
- foam
- stirring
- purification material
- 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
- 239000000463 material Substances 0.000 title claims abstract description 31
- 239000006260 foam Substances 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title claims description 6
- 238000000746 purification Methods 0.000 claims abstract description 39
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000005187 foaming Methods 0.000 claims abstract description 13
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 9
- 239000004113 Sepiolite Substances 0.000 claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052624 sepiolite Inorganic materials 0.000 claims abstract description 8
- 235000019355 sepiolite Nutrition 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 239000008187 granular material Substances 0.000 claims abstract description 5
- 229920000642 polymer Polymers 0.000 claims abstract description 5
- 239000011259 mixed solution Substances 0.000 claims description 31
- 238000003756 stirring Methods 0.000 claims description 21
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 12
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims description 4
- 239000005909 Kieselgur Substances 0.000 claims description 4
- 239000004115 Sodium Silicate Substances 0.000 claims description 4
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 4
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 4
- 235000006408 oxalic acid Nutrition 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 4
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 4
- 238000009775 high-speed stirring Methods 0.000 claims description 3
- 239000000243 solution Substances 0.000 claims description 3
- 239000004088 foaming agent Substances 0.000 claims description 2
- LRDFRRGEGBBSRN-UHFFFAOYSA-N isobutyronitrile Chemical compound CC(C)C#N LRDFRRGEGBBSRN-UHFFFAOYSA-N 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 229920002635 polyurethane Polymers 0.000 claims description 2
- 239000004814 polyurethane Substances 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 abstract description 12
- 229920005830 Polyurethane Foam Polymers 0.000 abstract description 3
- 239000011496 polyurethane foam Substances 0.000 abstract description 3
- 239000012752 auxiliary agent Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- 239000013078 crystal Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- WHXSMMKQMYFTQS-BJUDXGSMSA-N (6Li)Lithium Chemical group [6Li] WHXSMMKQMYFTQS-BJUDXGSMSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/14—Diatomaceous earth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28042—Shaped bodies; Monolithic structures
- B01J20/28045—Honeycomb or cellular structures; Solid foams or sponges
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
本发明公开了一种附着有净化材料的泡沫的制备方法，通过分别制备石墨烯分散溶液和硅藻土、海泡石净化剂溶液，然后将两者混合后超声分散然后进行焙烧，研磨得到最终粉状的净化材料，将粉状的净化材料加工成颗粒，并且同发泡聚合物、发泡助剂混合在发泡模内发泡熟化成型，得到具有净化作用的块状净化泡沫。本发明将石墨烯和具有天然吸附特性的硅藻土与海泡石有机结合，得到了具有极强的吸附能力和吸附速率的净化材料，并将该净化材料有机结合至软性的聚氨酯泡沫上，从而得到了可反复利用并且携带、裁切方面的净化材料块体，可以广泛的在目前的各种净化设备、净化口罩等中应用，具有极大的社会效益。The invention discloses a method for preparing foam with purification materials attached. The graphene dispersion solution and diatomite and sepiolite purification agent solutions are prepared respectively, and then the two are mixed, ultrasonically dispersed, roasted, and ground to obtain the final foam. Powdery purification material, process the powdery purification material into granules, mix with foaming polymer and foaming auxiliary agent, foam and mature in the foaming mold, and obtain block-shaped purification foam with purification effect. The present invention organically combines graphene, diatomite with natural adsorption characteristics and sepiolite to obtain a purification material with extremely strong adsorption capacity and adsorption rate, and organically combines the purification material with soft polyurethane foam , thereby obtaining a purification material block that can be reused, carried, and cut, which can be widely used in various current purification equipment, purification masks, etc., and has great social benefits.
Description
技术领域 technical field
本发明涉及净化材料技术领域，更具体的，涉及一种附着有净化材料的泡沫的制备方法。 The invention relates to the technical field of purification materials, and more specifically, to a method for preparing foam with purification materials attached thereto.
背景技术 Background technique
目前随着科技生活水平的不断提高，同时对环境保护的疏忽，中国以及世界各地的空气质量持续恶化，对人们身心健康带来严重威胁，目前市面上主要的净化材料包括活性炭类净化材料和纳米矿晶类净化材料，上述净化材料首先在吸附能力、吸附速率和吸附容量上较差，此外反复利用率也不高，并且由于活性炭类净化材料为粉状、纳米矿晶也多为极小的颗粒状，需要专门设置存放的容器，导致对其运送和使用时也都不是十分方便。上述问题，亟待解决。 At present, with the continuous improvement of scientific and technological living standards and the neglect of environmental protection, the air quality in China and around the world continues to deteriorate, posing a serious threat to people's physical and mental health. At present, the main purification materials on the market include activated carbon purification materials and nano Mineral crystal purification materials, the above purification materials are first of all poor in adsorption capacity, adsorption rate and adsorption capacity, and the repeated utilization rate is not high, and because activated carbon purification materials are powdery, nano-mineral crystals are mostly extremely small It is granular and requires a special container for storage, which makes it inconvenient to transport and use. The above problems need to be solved urgently.
发明内容 Contents of the invention
针对现有技术中存在的不足，本发明提供了一种附着有净化材料的泡沫的制备方法。 Aiming at the deficiencies in the prior art, the invention provides a method for preparing foam with purification material attached.
本发明是通过如下技术方案实现的：一种石墨烯净化材料的制备方法，包括如下步骤：1）将石墨烯加入到水和硅酸钠的溶液中，然后再进行超声分散处理，超声分散频率10-25kHz，水浴温度为24-33℃，超声时间为10-40分钟，将超声处理后的混合溶液静置，静置时间为2~6小时，得到混合溶液A； The present invention is achieved through the following technical scheme: a preparation method of graphene purification material, comprising the following steps: 1) adding graphene to the solution of water and sodium silicate, and then performing ultrasonic dispersion treatment, the frequency of ultrasonic dispersion is 10-25kHz, the temperature of the water bath is 24-33°C, the ultrasonic time is 10-40 minutes, and the mixed solution after ultrasonic treatment is left to stand for 2 to 6 hours to obtain the mixed solution A;
2）将硅藻土、海泡石粉、碳酸锂、草酸加入搅拌釜中进行搅拌，其中搅拌速度400-600转/分，搅拌时间10~15分钟，得到混合溶液B； 2) Add diatomaceous earth, sepiolite powder, lithium carbonate, and oxalic acid into the stirring tank for stirring, wherein the stirring speed is 400-600 rpm, and the stirring time is 10-15 minutes to obtain a mixed solution B;
3）将混合溶液A和混合溶液B混合，放入高速搅拌釜中进行搅拌，其中搅拌速度为2000~3000转/分，搅拌时间1~2小时，得到混合溶液C，对该混合溶液C进行超声分散处理，超声分散频率50~90kHz，超声时间为30~100分钟，然后将混合溶液C进行干燥处理，直至混合溶液C的含水率低于5%，最后进行焙烧，研磨得到粉状的净化材料。 3) Mix the mixed solution A and the mixed solution B, put them into a high-speed stirring tank for stirring, wherein the stirring speed is 2000~3000 rpm, and the stirring time is 1~2 hours, to obtain the mixed solution C, and carry out the mixed solution C Ultrasonic dispersion treatment, ultrasonic dispersion frequency 50~90kHz, ultrasonic time 30~100 minutes, then dry the mixed solution C until the water content of the mixed solution C is lower than 5%, and finally roast and grind to obtain powdery purification Material.
本发明具有如下有益效果：本发明将石墨烯和具有天然吸附特性的硅藻土与海泡石有机结合，得到了具有极强的吸附能力和吸附速率的净化材料，并将该净化材料有机结合至软性的聚氨酯泡沫上，从而得到了可反复利用并且携带、裁切方便的净化材料块体，可以广泛的应用于现在的各种净化设备和净化口罩等，具有极大的社会效益。 The present invention has the following beneficial effects: the present invention organically combines graphene and diatomite with natural adsorption characteristics with sepiolite to obtain a purification material with extremely strong adsorption capacity and adsorption rate, and organically combines the purification material To the soft polyurethane foam, thereby obtaining a purification material block that can be reused, carried, and cut easily, which can be widely used in various purification equipment and purification masks, etc., and has great social benefits.
具体实施方式 detailed description
下面结合具体实施方式对本发明作进一步详细描述：一种附着有净化材料的泡沫的制备方法，包括如下步骤： Below in conjunction with specific embodiment, the present invention is described in further detail: a kind of preparation method of the foam that is attached to purification material, comprises the steps:
1）将石墨烯加入到水和硅酸钠的溶液中，然后再进行超声分散处理，超声分散频率是10-25kHz，水浴温度为24-33℃，超声时间为10-40分钟，将超声处理后的混合溶液静置，静置时间为2~6小时，得到混合溶液A； 1) Add graphene to the solution of water and sodium silicate, and then carry out ultrasonic dispersion treatment. The final mixed solution was left standing, and the standing time was 2 to 6 hours to obtain a mixed solution A;
2）将硅藻土、海泡石粉、碳酸锂、草酸加入搅拌釜中进行搅拌，其中搅拌速度400-600转/分，搅拌时间10~15分钟，得到混合溶液B； 2) Add diatomaceous earth, sepiolite powder, lithium carbonate, and oxalic acid into the stirring tank for stirring, wherein the stirring speed is 400-600 rpm, and the stirring time is 10-15 minutes to obtain a mixed solution B;
3）将混合溶液A和混合溶液B混合，放入高速搅拌釜中进行搅拌，其中搅拌速度为2000~3000转/分，搅拌时间1~2小时，得到混合溶液C，对该混合溶液C进行超声分散处理，超声分散频率是50~90kHz，超声时间为30~100分钟，然后将混合溶液C进行干燥处理，直至混合溶液C的含水率低于5%，最后进行焙烧，研磨得到粉状的净化材料； 3) Mix the mixed solution A and the mixed solution B, put them into a high-speed stirring tank for stirring, wherein the stirring speed is 2000~3000 rpm, and the stirring time is 1~2 hours, to obtain the mixed solution C, and carry out the mixed solution C Ultrasonic dispersion treatment, the ultrasonic dispersion frequency is 50-90kHz, the ultrasonic time is 30-100 minutes, and then the mixed solution C is dried until the water content of the mixed solution C is lower than 5%, and finally roasted and ground to obtain powdery purification materials;
4）将粉状的净化材料加工成颗粒状，颗粒直径在200μm~800μm之间，将所述颗粒与发泡聚合物、发泡剂、和水混合得到混合液； 4) Process the powdery purification material into granules with a particle diameter between 200 μm and 800 μm, and mix the granules with foaming polymer, foaming agent, and water to obtain a mixed solution;
5）将步骤4中的混合液注入发泡模中，进行发泡熟化操作，得到块状泡沫物，将块状泡沫物置于常温冷却。 5) Pour the mixed solution in step 4 into the foaming mold, and carry out foaming and curing operation to obtain block foam, and place the block foam at room temperature to cool.
本发明中，各组分用了具有如下的重量份数比：石墨烯5份、硅藻土40份、海泡石粉44份、硅酸钠1份、碳酸锂4份、草酸6份。 In the present invention, each component has the following ratio by weight: 5 parts of graphene, 40 parts of diatomaceous earth, 44 parts of sepiolite powder, 1 part of sodium silicate, 4 parts of lithium carbonate, and 6 parts of oxalic acid.
本发明中，发泡聚合物为聚氨酯，发泡助剂为2-甲基丙腈和偶氮二异丁腈的混合物。 In the present invention, the foaming polymer is polyurethane, and the foaming aid is a mixture of 2-methylpropionitrile and azobisisobutyronitrile.
本发明将石墨烯和具有天然吸附特性的硅藻土与海泡石有机结合，得到了具有极强的吸附能力和吸附速率的净化材料，并将该净化材料有机结合至软性的聚氨酯泡沫上，从而得到了可反复利用并且携带、裁切方便的净化材料块体，可以广泛的应用于现在的各种净化设备和净化口罩等，具有极大的社会效益。 The present invention organically combines graphene, diatomite with natural adsorption characteristics and sepiolite to obtain a purification material with extremely strong adsorption capacity and adsorption rate, and organically combines the purification material with soft polyurethane foam , thereby obtaining a purification material block that can be reused and is convenient to carry and cut, which can be widely used in various purification equipment and purification masks, etc., and has great social benefits.
以上列举的仅为本发明的具体实施例，显然，本发明不限于以上的实施例。本领域的普通技术人员能从本发明公开的内容直接导出或联想到的所有变形，均应属于本发明的保护范围。 The above examples are only specific examples of the present invention, and obviously, the present invention is not limited to the above examples. All deformations that can be directly derived or associated by those skilled in the art from the content disclosed in the present invention shall belong to the protection scope of the present invention.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610332529.2A CN105944669A (en) | 2016-05-19 | 2016-05-19 | Preparation method of foam with purifying material adhered thereto |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610332529.2A CN105944669A (en) | 2016-05-19 | 2016-05-19 | Preparation method of foam with purifying material adhered thereto |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105944669A true CN105944669A (en) | 2016-09-21 |
Family
ID=56912101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610332529.2A Pending CN105944669A (en) | 2016-05-19 | 2016-05-19 | Preparation method of foam with purifying material adhered thereto |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105944669A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975470A (en) * | 2017-05-12 | 2017-07-25 | 滨州学院 | A kind of preparation method and applications of porous AMP/CNC PUF sorbing materials |
| CN111574673A (en) * | 2020-06-03 | 2020-08-25 | 湖南省普瑞达内装材料有限公司 | Environment-friendly heat-conducting polyurethane foam, preparation method thereof and adhesive tape |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103052676A (en) * | 2010-08-03 | 2013-04-17 | 费罗公司 | Polymer composite foams |
| CN103285812A (en) * | 2013-05-29 | 2013-09-11 | 浙江安南炭业科技有限公司 | Humidifying and purifying material and preparation method thereof |
| WO2015044964A1 (en) * | 2013-09-30 | 2015-04-02 | Council Of Scientific & Industrial Research | Magnetic nanoparticles decorated activated carbon nanocomposites for purification of water |
| CN104693929A (en) * | 2015-03-19 | 2015-06-10 | 济宁利特纳米技术有限责任公司 | Dope being able to absorb formaldehyde and based on graphene composite material and preparation method thereof |
| CN105001578A (en) * | 2015-07-27 | 2015-10-28 | 合肥忠豪新材料有限公司 | Green and environment-friendly porous material and preparation method thereof |
-
2016
- 2016-05-19 CN CN201610332529.2A patent/CN105944669A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103052676A (en) * | 2010-08-03 | 2013-04-17 | 费罗公司 | Polymer composite foams |
| CN103285812A (en) * | 2013-05-29 | 2013-09-11 | 浙江安南炭业科技有限公司 | Humidifying and purifying material and preparation method thereof |
| WO2015044964A1 (en) * | 2013-09-30 | 2015-04-02 | Council Of Scientific & Industrial Research | Magnetic nanoparticles decorated activated carbon nanocomposites for purification of water |
| CN104693929A (en) * | 2015-03-19 | 2015-06-10 | 济宁利特纳米技术有限责任公司 | Dope being able to absorb formaldehyde and based on graphene composite material and preparation method thereof |
| CN105001578A (en) * | 2015-07-27 | 2015-10-28 | 合肥忠豪新材料有限公司 | Green and environment-friendly porous material and preparation method thereof |
Non-Patent Citations (4)
| Title |
|---|
| 商平等: "《环境矿物材料》", 31 October 2007, 化学工业出版社 * |
| 国家粮食局人事司: "《制油工》", 31 January 2007, 中国轻工业出版社 * |
| 张文辉等: "石墨烯对气体吸附的研究进展", 《应用技术》 * |
| 赵惠忠: "《太阳能吸附制冷管光热利用》", 31 January 2015, 上海浦江教育出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975470A (en) * | 2017-05-12 | 2017-07-25 | 滨州学院 | A kind of preparation method and applications of porous AMP/CNC PUF sorbing materials |
| CN106975470B (en) * | 2017-05-12 | 2020-02-11 | 滨州学院 | Preparation method and application of porous AMP/CNC-PUF adsorbing material |
| CN111574673A (en) * | 2020-06-03 | 2020-08-25 | 湖南省普瑞达内装材料有限公司 | Environment-friendly heat-conducting polyurethane foam, preparation method thereof and adhesive tape |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102641721B (en) | Composite spherical active carbon adsorbent | |
| CN104190381B (en) | A kind of attapulgite modified adsorbent for heavy metal and preparation method thereof | |
| CN106867607A (en) | A kind of preparation method of modified composite biological filler | |
| CN104475020A (en) | Environment-friendly active carbon particle with good absorption degradation effect and method for preparing environment-friendly active carbon particle with good absorption degradation effect | |
| CN104028250A (en) | Filtering medium for removing aluminum in drinking water, filter element and method for preparing filtering medium | |
| CN111778035A (en) | A kind of soil remediation agent and preparation method thereof | |
| CN105944669A (en) | Preparation method of foam with purifying material adhered thereto | |
| CN103951044A (en) | Novel non-sintered biological stuffing rapid in biofilm formation and preparation method thereof | |
| CN105664881A (en) | Compound adsorbent for water treatment | |
| CN104087253A (en) | Coolant for ice bag | |
| CN105727885A (en) | Preparation method for graphene environmental pollution cleaning agent | |
| CN105289544A (en) | A kind of preparation method of the adsorbent that removes As5+ | |
| CN104016709B (en) | A kind of preparation method of porous Na-bentonite soil particle | |
| CN105601454B (en) | The preparation method of granular chemical fertilizer | |
| CN105130307A (en) | Method for preparing high-fluidity silica mortar | |
| WO2017140026A1 (en) | Core-shell type granular active carbon with powdery core and preparation method thereof | |
| CN106689970A (en) | Green tea preservative with no toxic or side effect and processing technique thereof | |
| CN102294221A (en) | Preparation method of attapulgite-based adsorption drying agent suitable for high humidity environment | |
| CN102716729A (en) | Preparation method of recyclable water treatment material | |
| CN101029360B (en) | Preparation method of filler particles used in making foamed aluminum alloy | |
| CN103285816B (en) | Adsorbent for treating dye wastewater in different concentrations and preparation method and application | |
| CN105086321A (en) | Dust coagulant | |
| CN103691393B (en) | Remove waterborne radioactivity from the beginning 137inorganic compounding adsorbent of Cs and preparation method thereof | |
| CN104129786A (en) | Nano activated carbon and preparation method thereof | |
| CN102964758A (en) | Preparation method of compound humidifying material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160921 |