CN103432991B - Nano Silver honeycomb type purification activated carbon and preparation method thereof - Google Patents
Nano Silver honeycomb type purification activated carbon and preparation method thereof Download PDFInfo
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- CN103432991B CN103432991B CN201310351948.7A CN201310351948A CN103432991B CN 103432991 B CN103432991 B CN 103432991B CN 201310351948 A CN201310351948 A CN 201310351948A CN 103432991 B CN103432991 B CN 103432991B
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 108
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 238000000746 purification Methods 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 33
- 239000003610 charcoal Substances 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 15
- 235000013162 Cocos nucifera Nutrition 0.000 claims abstract description 12
- 244000060011 Cocos nucifera Species 0.000 claims abstract description 12
- 239000003245 coal Substances 0.000 claims abstract description 12
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229920000609 methyl cellulose Polymers 0.000 claims abstract description 10
- 239000001923 methylcellulose Substances 0.000 claims abstract description 10
- 238000000498 ball milling Methods 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 5
- 239000006071 cream Substances 0.000 claims description 12
- 238000004898 kneading Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 238000005245 sintering Methods 0.000 claims description 4
- 239000012153 distilled water Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 11
- 239000000463 material Substances 0.000 abstract description 10
- 238000010521 absorption reaction Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000033228 biological regulation Effects 0.000 abstract description 5
- 244000005700 microbiome Species 0.000 abstract description 5
- 238000003825 pressing Methods 0.000 abstract description 4
- 238000004513 sizing Methods 0.000 abstract description 3
- 238000001179 sorption measurement Methods 0.000 description 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 238000007670 refining Methods 0.000 description 6
- 230000001877 deodorizing effect Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 241000700605 Viruses Species 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 239000010903 husk Substances 0.000 description 3
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 230000000274 adsorptive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052740 iodine Inorganic materials 0.000 description 2
- 239000011630 iodine Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000000053 physical method Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241000606153 Chlamydia trachomatis Species 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 241000588653 Neisseria Species 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229940038705 chlamydia trachomatis Drugs 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- PXEDJBXQKAGXNJ-QTNFYWBSSA-L disodium L-glutamate Chemical compound [Na+].[Na+].[O-]C(=O)[C@@H](N)CCC([O-])=O PXEDJBXQKAGXNJ-QTNFYWBSSA-L 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000013923 monosodium glutamate Nutrition 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 229940073490 sodium glutamate Drugs 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000002336 sorption--desorption measurement Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention belongs to a kind of Nano Silver honeycomb type purification activated carbon and preparation method thereof, the weight proportion of the raw material that Nano Silver honeycomb type purification activated carbon uses is: chemism charcoal 32 ~ 38 parts, ature of coal granular activated carbon 25 ~ 30 parts, cocoanut active charcoal 35 ~ 42 parts, the Nano Silver 4 ~ 6 parts of purity 99%, methylcellulose 1 ~ 2 part, talcum powder 1 ~ 2 part.Method step has ball milling, raw material to mix, stir, and makes product material.Again experienced, extruded through vacuum mud, dry and sinter, make.The present invention can ensure that this active carbon has the function of good absorption dirt, can also to make people to sick microorganism have good have kill the effect of pressing down, be applicable in the environment such as hospital, also there is sizing firm, durable in use, method simple possible, pollution treatment cost is low, low-carbon energy-saving and the good advantage of regulation effect.
Description
Technical field
The invention belongs to a kind of Nano Silver honeycomb type purification activated carbon and preparation method thereof.
Background technology
Active carbon is widely used in the various aspects of industrial and agricultural production, as the alkali-free sweetening (refining desulfurization alcohol) of petrochemical industry, ethene desalted water (refining filler), catalyst carrier (palladium, platinum, rhodium etc.), Water warfare and sewage disposal; Power plant's water treatment of power industry and protection; The decolouring of the chemical catalyst of chemical industry and carrier, gas purification, solvent recovery and grease etc., refining; Refining, the decolouring of the beverage of food service industry, drinks, sodium glutamate mother liquid and food; The gold of gold industry extracts, tail washings reclaims; The improvement of the sewage disposal of environmental protection industry (epi), waste gas and pernicious gas, gas purification; And the cigaratte filter of relevant industries, timber floor moistureproof, inhale taste, automobile gasoline evaporative emission controls, the preparation etc. of various impregnating agent liquid.
Active carbon is a kind of very excellent adsorbent, it utilizes charcoal, bamboo charcoal, various shell and fat coal etc. as raw material, carries out fragmentation, sieves, catalyst activation, rinsing, the series of processes processing and manufacturing such as oven dry and screening form by physics and chemistry method to raw material.It has the double grading of physical absorption and chemisorbed, selectively can adsorb the various materials in gas phase, liquid phase, to reach the objects such as decolorizing and refining, disinfecting, deodorizing and decontamination purification.The process based prediction model of the active carbon of the unlike material that current Physical and chemical method are produced is not quite similar, different raw materials has different empty footpaths, the aperture with coconut husk being wherein the active carbon of raw material is minimum, the aperture of wood activated charcoal is general comparatively large, and the aperture of coal mass active carbon falls between.Lack for different absorption objects in current activated carbon application technology, select the application technology of the active carbon of respective material.Active carbon at industrial circle all for the decolouring of liquid phase adsorption, refining, to purify, and Gas Phase Adsorption aspect, powdery and granular activated carbon just can not with the intimate contact of the poisonous and harmful substance in air, thus just greatly reduce adsorption effect.
On the other hand, lack in current activated carbon application technology and namely ensure that active carbon has the function of good absorption dirt, again can to make people to sick microorganism have good have kill the effect of pressing down, the special active carbon lacked in environment such as being used for hospital.
Summary of the invention
The object of the invention is to design a kind of Nano Silver honeycomb type purification activated carbon and preparation method thereof, can ensure that this active carbon has the function of good absorption dirt, can also to make people to sick microorganism have good have kill the effect of pressing down, be applicable in the environment such as hospital, also there is sizing firm, durable in use, method simple possible, pollution treatment cost is low, low-carbon energy-saving and the good advantage of regulation effect.
For this reason; a kind of Nano Silver honeycomb type purification activated carbon, the weight proportion of its raw material used is: chemism charcoal 32 ~ 38 parts, ature of coal granular activated carbon 25 ~ 30 parts, cocoanut active charcoal 35 ~ 42 parts, the Nano Silver 4 ~ 6 parts of purity 99%, methylcellulose 1 ~ 2 part, talcum powder 1 ~ 2 part.
Preferably the weight proportion of its raw material used is: chemism charcoal 34 ~ 36 parts, ature of coal granular activated carbon 26 ~ 28 parts, cocoanut active charcoal 39 ~ 41 parts, the Nano Silver 5 ~ 6 parts of purity 99%, methylcellulose 1 ~ 2 part, talcum powder 1 ~ 2 part.
The weight proportion of its raw material used best is: the weight proportion of the raw material used is: chemism charcoal 35 parts, ature of coal granular activated carbon 27 parts, cocoanut active charcoal 40 parts, the Nano Silver 5 parts of purity 99%, methylcellulose 1.5 parts, talcum powder 1.5 parts.
A kind of method preparing Nano Silver honeycomb type purification activated carbon is:
(1) weight proportion of the raw material used is: chemism charcoal 32 ~ 38 parts, ature of coal granular activated carbon 25 ~ 30 parts, cocoanut active charcoal 35 ~ 42 parts, the Nano Silver 4 ~ 6 parts of purity 99%, methylcellulose 1 ~ 2 part, talcum powder 1 ~ 2 part;
(2) ball milling: the active carbon of three kinds of different proportions step (1) selected inserts ball milling in ball mill, being milled to order number is 460 ~ 550 object activated carbon powders;
(3) be uniformly mixed: the Nano Silver of the activated carbon powder be milled to, purity 99%, methylcellulose, talcum powder are added in mixer successively, stirs, mix, make compound;
(4) add water kneading: placed by compound in kneading machine, adds moderate distilled water, kneading 30 minutes, and in kneading machine, mud pinches into mud cream;
(5) vacuum mud is practiced: mud cream is placed vacuum mud and practice in machine, practices mud white silk in machine uniformly plastify mud cream at vacuum mud;
(6) extruded: will plastify mud cream place extruded in, extrusion process becomes the section bar of honeycomb type purification activated carbon;
(6) dry: section bar is removed moisture, make the moisture content of section bar be less than 10%;
(7) sinter: the section bar that step (6) is made is inserted in stove and sinters, sintering temperature 850 ~ 900 DEG C, 5 ~ 6 hours time, make Nano Silver honeycomb type purification activated carbon product.
The active carbon of described three kinds of different proportions inserts ball milling in ball mill, and being milled to order number is 500 object activated carbon powders.Said structure design reaches object of the present invention.
Described chemism charcoal refers to chemically with the active carbon that the remaining discarded object of the wooden fellings such as wood chip, sawdust, ring, slab, producing material processing is made for raw material.Described cocoanut active charcoal refer to the residue discarded object after with coconut husk, coconut husk processing for raw material chemically or the active carbon made of physical method.Described ature of coal seed activity refer to coal be raw material chemically or the active carbon made of physical method or both combinations.
Advantage of the present invention is:
1, the present invention can make air reach the harmful substance of fully adsorbing in it by the Nano Silver honeycomb type purification activated carbon inside of making by the method, define low windage cross-ventilation, namely the adsorption function that active carbon is good is ensured, it can be made to shape again firm, durable in use, have method simple possible, pollution treatment cost is low, low-carbon energy-saving and the good advantage of regulation effect.The present invention adopts the different active carbon of many components to prepare its indices to be better than adopting single activated carbon product, and the adsorption capacity of product of the present invention improves 45%, and desorb is residual is less than 20%, and adsorption desorption speed improves 60 ~ 90%, specific surface 1600 ~ 2000m
2/ g, the malleation intensity 9 ~ 9.8Mpa of product of the present invention, side pressure strength 5 ~ 6.7Mpa.The adsorption filtration material aperture that the present invention makes is moderate, and not easily block, absorption resistance is little, and the active carbon be beneficial in material plays one's part to the full, and effectively adsorbs noxious material.
2, the Nano Silver honeycomb type purification activated carbon made of the present invention is at the hole internal burden nano silver particles of active carbon, makes this absorbent charcoal material the Escherichia coli be adsorbed in this active carbon, gonococcus, chlamydia trachomatis etc. tens of kinds to sick microorganism can be had good suppression and killing action.Virus kills bacteriostasis rate can reach 99%.Be applicable to the places such as hospital, sanatorium, station, restaurant use.
3, product of the present invention is water-fast, acidproof, alkaline-resisting, heat resistance is good.
4, the inventive method simple possible, pollution treatment cost is low, low-carbon energy-saving, and regulation effect is good, and use cost is low and the life-span is long, is beneficial to and promotes the use of.
Specific embodiments
Embodiment 1: the weight proportion of the raw material used is: chemism charcoal 35 parts, ature of coal granular activated carbon 27 parts, cocoanut active charcoal 40 parts; The active carbon of select three kinds of different proportions is inserted ball milling in ball mill, and being milled to order number is 500 object active carbon powders.Get the active carbon powder 102 parts, the Nano Silver 5 parts of purity 99%, methylcellulose 1.5 parts, the talcum powder 1.5 parts that are milled to again.Successively above-mentioned raw materials is added in mixer, stirs, mix, make compound.Placed by compound in kneading machine (or mixer), add moderate distilled water, kneading 30 minutes, in kneading machine, mud pinches into mud cream.Then mud cream being placed vacuum mud practices in machine, practices mud in machine practice uniformly plasticizing mud cream at vacuum mud.To plastify again mud cream place extruded in, extrusion process becomes the section bar of honeycomb type purification activated carbon.Briquetting pressure 12 ~ 18Mpa, section bar can be arbitrary shape, usually selects the square bodily form of densely covered cellular through hole, round platform body.The section bar of wet honeycomb type purification activated carbon is dried, makes the moisture content of section bar be less than 10%.Section bar moisture content being less than 10% is inserted in stove and is sintered, and sintering temperature 880 DEG C, 5.5 hours time, makes Nano Silver honeycomb type purification activated carbon product.
The performance of the Nano Silver honeycomb type purification activated carbon product made: iodine sorption value 1280 ~ 1300mg/g, benzene adsorptive value mg/g>=750, specific surface m
2/ g>=1900, pH value 7 ~ 8, intensity %>=96.Bacterium, virus are killed to bacteriostasis rate and can be reached 99.5%.Deodorizing rate reaches 99%, and deodorizing performance is hundred times of normal activated carbon.
Embodiment 2: the weight proportion of the raw material used is: chemism charcoal 32 parts, ature of coal granular activated carbon 30 parts, cocoanut active charcoal 38 parts, the active carbon of select three kinds of different proportions is inserted ball milling in ball mill, being milled to order number is 500 object active carbon powders.Get the active carbon powder, the Nano Silver 6 parts of purity 99%, methylcellulose 2 parts, the talcum powder 2 parts that are milled to again.Successively above-mentioned raw materials is added to and is uniformly mixed, stirs, make compound.All the other steps are identical with embodiment 1, and the section bar wherein moisture content being less than 10% is inserted in stove and sintered, sintering temperature 900 DEG C, 5 hours time.
The performance of the Nano Silver honeycomb type purification activated carbon product made: iodine sorption value 1100 ~ 1200mg/g, benzene adsorptive value mg/g>=690, specific surface m
2/ g>=1800, pH value 7 ~ 8, intensity %>=93.Bacterium, virus are killed to bacteriostasis rate and can be reached 99%.Deodorizing rate reaches 98%, and deodorizing performance is hundred times of normal activated carbon.
Certainly, method of the present invention is not confined to embodiment as above, selects the active carbon substitute products of respective material and different component, still belong in limited field of the present invention according to absorption object.
In a word, the present invention can ensure that this active carbon has the function of good absorption dirt, can also to make people to sick microorganism have good have kill the effect of pressing down, be applicable in the environment such as hospital, also there is sizing firm, durable in use, method simple possible, pollution treatment cost is low, low-carbon energy-saving and the good advantage of regulation effect.
Claims (1)
1. a Nano Silver honeycomb type purification activated carbon preparation method, is characterized in that:
(1) weight proportion of the raw material used is: chemism charcoal 35 parts, ature of coal granular activated carbon 27 parts, cocoanut active charcoal 40 parts, the Nano Silver 5 parts of purity 99%, methylcellulose 1.5 parts, talcum powder 1.5 parts;
(2) ball milling: the active carbon of three kinds of different proportions step (1) selected inserts ball milling in ball mill, being milled to order number is 500 object activated carbon powders;
(3) be uniformly mixed: the Nano Silver of the activated carbon powder be milled to, purity 99%, methylcellulose, talcum powder are added in mixer successively, stirs, mix, make compound;
(4) add water kneading: placed by compound in kneading machine, adds moderate distilled water, kneading 30 minutes, and in kneading machine, mud pinches into mud cream;
(5) vacuum mud is practiced: mud cream is placed vacuum mud and practice in machine, practices mud white silk in machine uniformly plastify mud cream at vacuum mud;
(6) extruded: will plastify mud cream place extruded in, extrusion process becomes the section bar of honeycomb type purification activated carbon;
(6) dry: section bar is removed moisture, make the moisture content of section bar be less than 10%;
(7) sinter: the section bar that step (6) is made is inserted in stove and sinters, sintering temperature 850 ~ 900 DEG C, 5 ~ 6 hours time, make Nano Silver honeycomb type purification activated carbon product.
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| CN104069808A (en) * | 2014-06-20 | 2014-10-01 | 江苏浦士达环保科技有限公司 | Manufacturing method of silver-carrying coconut shell activated carbon |
| CN104923162A (en) * | 2015-07-13 | 2015-09-23 | 长沙深橙生物科技有限公司 | Molded active carbon free from bonding |
| CN105381783A (en) * | 2015-10-30 | 2016-03-09 | 安徽炭之馨环保科技有限公司 | Adsorptive composite material and preparation method thereof |
| CN108176354A (en) * | 2017-12-11 | 2018-06-19 | 广东韩研活性炭科技股份有限公司 | A kind of preparation method of the special sizing active carbon loading silver of refrigerator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101653720A (en) * | 2009-09-22 | 2010-02-24 | 高仁凤 | Honeycomb activated carbon with self-cleaning function and manufacturing method thereof |
| CN101972630A (en) * | 2010-11-12 | 2011-02-16 | 丽水市禾子净化设备有限公司 | Manufacturing method of honeycomb type purification activated carbon |
| CN102114409A (en) * | 2011-01-06 | 2011-07-06 | 苏州邦安新材料科技有限公司 | Novel silver loaded activated carbon and preparation process thereof |
| CN102908990A (en) * | 2012-10-15 | 2013-02-06 | 南京正森环保科技有限公司 | Preparation method of silver-loaded activated carbon |
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| DE102012006421A1 (en) * | 2011-12-30 | 2013-07-04 | BLüCHER GMBH | Method for self-detoxification of adsorbents |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101653720A (en) * | 2009-09-22 | 2010-02-24 | 高仁凤 | Honeycomb activated carbon with self-cleaning function and manufacturing method thereof |
| CN101972630A (en) * | 2010-11-12 | 2011-02-16 | 丽水市禾子净化设备有限公司 | Manufacturing method of honeycomb type purification activated carbon |
| CN102114409A (en) * | 2011-01-06 | 2011-07-06 | 苏州邦安新材料科技有限公司 | Novel silver loaded activated carbon and preparation process thereof |
| CN102908990A (en) * | 2012-10-15 | 2013-02-06 | 南京正森环保科技有限公司 | Preparation method of silver-loaded activated carbon |
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Effective date of registration: 20170407 Address after: 317500 Wenling Province, East Street, Zhejiang City, No. 1333 Chang Zhong Road, building No. 2801, room 2 Patentee after: LUZHIYUAN ENVIRONMENTAL LIMITED BY SHARE LTD. Address before: 323000 Heping Street, Zhejiang, Lishui, No. 65 Patentee before: Liu Damin |
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Granted publication date: 20151223 |