CN107335407A - High-end casting exhaust gas treating agent and preparation method thereof - Google Patents

High-end casting exhaust gas treating agent and preparation method thereof Download PDF

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Publication number
CN107335407A
CN107335407A CN201710585383.7A CN201710585383A CN107335407A CN 107335407 A CN107335407 A CN 107335407A CN 201710585383 A CN201710585383 A CN 201710585383A CN 107335407 A CN107335407 A CN 107335407A
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parts
exhaust gas
treating agent
gas treating
vermiculite
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Pending
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CN201710585383.7A
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Chinese (zh)
Inventor
熊夏鸣
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NINGGUO SOUTHERN WEAR-RESISTANT MATERIALS Co Ltd
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NINGGUO SOUTHERN WEAR-RESISTANT MATERIALS Co Ltd
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Priority to CN201710585383.7A priority Critical patent/CN107335407A/en
Publication of CN107335407A publication Critical patent/CN107335407A/en
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    • 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
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/40—Liliopsida [monocotyledons]
    • A01N65/42—Aloeaceae [Aloe family] or Liliaceae [Lily family], e.g. aloe, veratrum, onion, garlic or chives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • 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
    • B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • 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
    • B01J20/103—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
    • 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
    • B01J20/12—Naturally occurring clays or bleaching 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
    • B01J20/02—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
    • B01J20/16—Alumino-silicates
    • B01J20/165—Natural alumino-silicates, e.g. zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/30—Sulfur compounds
    • B01D2257/302—Sulfur oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/404—Nitrogen oxides other than dinitrogen oxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/91—Bacteria; Microorganisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • 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
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/46—Materials comprising a mixture of inorganic and organic materials
    • 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
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48—Sorbents characterised by the starting material used for their preparation
    • B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
    • B01J2220/485—Plants or land vegetals, e.g. cereals, wheat, corn, rice, sphagnum, peat moss

Abstract

The present invention relates to industrial waste gas processing technology field, and in particular to a kind of high-end casting exhaust gas treating agent and preparation method thereof, its composition is by weight：Titanium dioxide, bentonite, zeolite, quick lime, calcium chloride, kaolin, aloe are dry, vermiculite and mixed solution；The present invention uses titanium dioxide, bentonite, zeolite, kaolin and vermiculite as raw material, and these materials are immersed in mix acid liquor, the foul in these material surface apertures can be removed, strengthen the adsorption capacity of these materials, bentonite, titanium dioxide, zeolite and vermiculite are used in mixed way, and make them in absorption NO2And SO2Ability Deng gas is stronger, in addition, after aloe is pulverized, more easily enters in kaolin and the aperture on vermiculite surface, can play sustained release, lasting sterilizing ability, not only extend the shelf-life of exhaust gas treating agent, can also play absorption NO well2And SO2Deng pollution gas, protect air not to be contaminated, protect the health of human body.

Description

High-end casting exhaust gas treating agent and preparation method thereof
Technical field
The present invention relates to industrial waste gas processing technology field, and in particular to a kind of high-end casting exhaust gas treating agent and its preparation Method.
Background technology
The industrial waste gas of all kinds of manufacturing enterprise's discharges is the important sources of atmosphere pollution.If big capacity industrial waste gas without Handle it is up to standard after be discharged into air, necessarily decline atmosphere quality, seriously endanger to human body health care belt, made to national economy Into massive losses.After poisonous and harmful substance can enter human body by respiratory tract and skin in industrial waste gas, long-term low concentration or short Phase high concentration contacts system and the temporary and permanent lesion of organ, the especially benzene such as the breathing that can cause human body, blood, liver And pyrene class polycyclic aromatic hydrocarbon can make human body directly carcinogenic to cause the great attention of the mankind.Industrial waste gas includes organic exhaust gas and inorganic Waste gas.The waste gas such as carbon monoxide, carbon dioxide, sulfur dioxide and nitrogen dioxide can be discharged during high-end castings production, seriously Atmospheric effect sky health is polluted, so how to remove the toxic gas discharged during high-end castings production, turns into one The problem of we can not be ignored.
The content of the invention
For above-mentioned problem, a kind of high-end casting exhaust gas treating agent produced by the present invention, there is very strong absorption The ability of the gases such as NO2 and SO2, in addition, after aloe is pulverized, more easily enter in kaolin and the aperture on vermiculite surface, Sustained release, lasting sterilizing ability can be played, not only extends the shelf-life of exhaust gas treating agent, can also play absorption NO2 well With the pollution gas such as SO2, protect air not to be contaminated, protect the health of human body.
To achieve the above object, the present invention uses following technical scheme：
A kind of high-end casting exhaust gas treating agent, its composition is by weight：Titanium dioxide 34-39 parts, bentonite 28-36 Part, zeolite 24-32 parts, quick lime 19-24 parts, calcium chloride 17-23 parts, kaolin 14-20 parts, aloe do 9-14 parts, vermiculite 5- 11 parts and mixed solution 240-310 parts.
Preferably, a kind of high-end casting exhaust gas treating agent, its preparation method comprise the following steps：
A, by titanium dioxide, bentonite, zeolite, quick lime, kaolin, aloe are dry and vermiculite is crushed and crosses 45 mesh Sieve, and the powder of each component is placed respectively, it is standby；
B, by the titanium dioxide of crushing, bentonite, zeolite, kaolin, aloe be dry and vermiculite it is well mixed after, be immersed in temperature 2-6h in the mix acid liquor for 65-75 DEG C is spent, and is adjusted in the range of pH to 2-4, filters and discards filtrate, filter residue is standby；
C, filter residue and quick lime and calcium chloride are placed in mixed solution, are warming up to 50-65 DEG C and stir 40-55min, obtain Turbid；
D, be dried under conditions of turbid being placed in into 70-85 DEG C, when water content be 20-30% be granulated, then from So air-dry, produce exhaust gas treating agent.
Preferably, the hydrochloric acid that the sulfuric acid solution and concentration that the mix acid liquor in the step b is 1.8mol/L are 2mol/L Solution is according to mass ratio 2：3 mix.
Preferably, the mixed solution in the step c is 1.2mol/L by concentration potassium sulfate solution, concentration 2mol/L Sodium chloride solution and 2.5mol/L calcium chloride solution according to mass ratio 2：3：2 are mixed.
Preferably, the length being granulated in the step d is 2cm.
Preferably, pH value preferentially chooses 3 in the step b.
Using above-mentioned technical scheme, the beneficial effect that the present invention reaches is：
The present invention uses titanium dioxide, bentonite, zeolite, kaolin and vermiculite as raw material, and these materials are immersed in In mix acid liquor, the foul in these material surface apertures can be removed, strengthens the adsorption capacity of these materials, bentonite, dioxy Change being used in mixed way for titanium, zeolite and vermiculite, make them in absorption NO2And SO2Ability Deng gas is stronger.In addition, aloe is crushed Afterwards, more easily enter in kaolin and the aperture on vermiculite surface, sustained release, lasting sterilizing ability can be played, not only extended The shelf-life of exhaust gas treating agent, it can also play absorption NO well2And SO2Deng pollution gas, air is protected not to be contaminated, Protect the health of human body.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention, Technical scheme in the embodiment of the present invention is clearly and completely described.Based on embodiments of the invention, the common skill in this area The every other embodiment that art personnel are obtained under the premise of creative work is not made, belong to the model that the present invention protects Enclose.
Embodiment 1：
A kind of high-end casting exhaust gas treating agent, its composition is by weight：34 parts of titanium dioxide, 31 parts of bentonite, zeolite 24 parts, 19 parts of quick lime, 20 parts of calcium chloride, 14 parts of kaolin, aloe be dry 11 parts, 270 parts of 5 parts of vermiculite and mixed solution.
Preferably, a kind of high-end casting exhaust gas treating agent, its preparation method comprise the following steps：
A, by titanium dioxide, bentonite, zeolite, quick lime, kaolin, aloe are dry and vermiculite is crushed and crosses 45 mesh Sieve, and the powder of each component is placed respectively, it is standby；
B, by the titanium dioxide of crushing, bentonite, zeolite, kaolin, aloe be dry and vermiculite it is well mixed after, be immersed in temperature 2h in the mix acid liquor for 65 DEG C is spent, and adjusts pH to 2, filters and discards filtrate, filter residue is standby；
C, filter residue and quick lime and calcium chloride are placed in mixed solution, are warming up to 50 DEG C and stir 40min, obtain turbid；
D, turbid is placed under conditions of 70 DEG C and be dried, when water content is 20% to be granulated, then natural air drying, Produce exhaust gas treating agent.
Embodiment 2：
A kind of high-end casting exhaust gas treating agent, its composition is by weight：36 parts of titanium dioxide, 28 parts of bentonite, zeolite 26 parts, 21 parts of quick lime, 17 parts of calcium chloride, 16 parts of kaolin, aloe be dry 9 parts, 240 parts of 7 parts of vermiculite and mixed solution.
Preferably, a kind of high-end casting exhaust gas treating agent, its preparation method comprise the following steps：
A, by titanium dioxide, bentonite, zeolite, quick lime, kaolin, aloe are dry and vermiculite is crushed and crosses 45 mesh Sieve, and the powder of each component is placed respectively, it is standby；
B, by the titanium dioxide of crushing, bentonite, zeolite, kaolin, aloe be dry and vermiculite it is well mixed after, be immersed in temperature 3h in the mix acid liquor for 68 DEG C is spent, and adjusts pH to 2.5, filters and discards filtrate, filter residue is standby；
C, filter residue and quick lime and calcium chloride are placed in mixed solution, are warming up to 57 DEG C and stir 46min, obtain turbid；
D, turbid is placed under conditions of 76 DEG C and be dried, when water content is 24% to be granulated, then natural air drying, Produce exhaust gas treating agent.
Embodiment 3：
A kind of high-end casting exhaust gas treating agent, its composition is by weight：38 parts of titanium dioxide, 36 parts of bentonite, zeolite 29 parts, 23 parts of quick lime, 23 parts of calcium chloride, 18 parts of kaolin, aloe be dry 14 parts, 310 parts of 9 parts of vermiculite and mixed solution.
Preferably, a kind of high-end casting exhaust gas treating agent, its preparation method comprise the following steps：
A, by titanium dioxide, bentonite, zeolite, quick lime, kaolin, aloe are dry and vermiculite is crushed and crosses 45 mesh Sieve, and the powder of each component is placed respectively, it is standby；
B, by the titanium dioxide of crushing, bentonite, zeolite, kaolin, aloe be dry and vermiculite it is well mixed after, be immersed in temperature 4h in the mix acid liquor for 72 DEG C is spent, and adjusts pH to 3, filters and discards filtrate, filter residue is standby；
C, filter residue and quick lime and calcium chloride are placed in mixed solution, are warming up to 61 DEG C and stir 52min, obtain turbid；
D, turbid is placed under conditions of 81 DEG C and be dried, when water content is 28% to be granulated, then natural air drying, Produce exhaust gas treating agent.
Embodiment 4：
A kind of high-end casting exhaust gas treating agent, its composition is by weight：39 parts of titanium dioxide, 34 parts of bentonite, zeolite 32 parts, 24 parts of quick lime, 21 parts of calcium chloride, 20 parts of kaolin, aloe be dry 12 parts, 290 parts of 11 parts of vermiculite and mixed solution.
Preferably, a kind of high-end casting exhaust gas treating agent, its preparation method comprise the following steps：
A, by titanium dioxide, bentonite, zeolite, quick lime, kaolin, aloe are dry and vermiculite is crushed and crosses 45 mesh Sieve, and the powder of each component is placed respectively, it is standby；
B, by the titanium dioxide of crushing, bentonite, zeolite, kaolin, aloe be dry and vermiculite it is well mixed after, be immersed in temperature 6h in the mix acid liquor for 75 DEG C is spent, and adjusts pH to 4, filters and discards filtrate, filter residue is standby；
C, filter residue and quick lime and calcium chloride are placed in mixed solution, are warming up to 65 DEG C and stir 55min, obtain turbid；
D, turbid is placed under conditions of 85 DEG C and be dried, when water content is 30% to be granulated, then natural air drying, Produce exhaust gas treating agent.
Experiment gained, when handling waste gas with various embodiments of the present invention exhaust gas treating agent, various waste gas clearance data will be crossed As in the table below：
NO2(%) SO2(%) CO (%) CO2(%)
Embodiment 1 81 86 75 93
Embodiment 2 78 82 82 89
Embodiment 3 85 64 85 87
Embodiment 4 83 79 80 91
From data in table, exhaust gas treating agent produced by the present invention is removing NO2、SO2, CO and CO2Effect compare Significantly.Show that manufacturing process of the present invention is more perfect, product overall performance than control group more preferably, is worthy to be popularized.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments The present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these modification or Replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (6)

1. a kind of high-end casting exhaust gas treating agent, it is characterised in that its composition is by weight：Titanium dioxide 34-39 parts, swelling Native 28-36 parts, zeolite 24-32 parts, quick lime 19-24 parts, calcium chloride 17-23 parts, kaolin 14-20 parts, aloe do 9-14 parts, Vermiculite 5-11 parts and mixed solution 240-310 parts.
2. a kind of high-end casting exhaust gas treating agent according to claim 1, it is characterised in that its preparation method includes following Step：
A, by titanium dioxide, bentonite, zeolite, quick lime, kaolin, aloe are dry and vermiculite is crushed and crosses 45 mesh sieves, and The powder of each component is placed respectively, it is standby；
B, by the titanium dioxide of crushing, bentonite, zeolite, kaolin, aloe be dry and vermiculite it is well mixed after, being immersed in temperature is 2-6h in 65-75 DEG C of mix acid liquor, and adjust in the range of pH to 2-4, filter and discard filtrate, filter residue is standby；
C, filter residue and quick lime and calcium chloride are placed in mixed solution, are warming up to 50-65 DEG C and stir 40-55min, obtain turbid Liquid；
D, it is dried under conditions of turbid being placed in into 70-85 DEG C, when water content is that 20-30% is granulated, then natural wind It is dry, produce exhaust gas treating agent.
A kind of 3. preparation method of high-end casting exhaust gas treating agent according to claim 2, it is characterised in that：The step The hydrochloric acid solution that the sulfuric acid solution and concentration that mix acid liquor in b is 1.8mol/L are 2mol/L is according to mass ratio 2：3 mixing and Into.
A kind of 4. preparation method of high-end casting exhaust gas treating agent according to claim 2, it is characterised in that：The step The sodium chloride solution and 2.5mol/L that potassium sulfate solution that mixed solution in c is 1.2mol/L by concentration, concentration are 2mol/L Calcium chloride solution according to mass ratio 2：3：2 are mixed.
A kind of 5. preparation method of high-end casting exhaust gas treating agent according to claim 2, it is characterised in that：The step The length being granulated in d is 2cm.
A kind of 6. preparation method of high-end casting exhaust gas treating agent according to claim 2, it is characterised in that：The step PH value preferentially chooses 3 in b.
CN201710585383.7A 2017-07-18 2017-07-18 High-end casting exhaust gas treating agent and preparation method thereof Pending CN107335407A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113925239A (en) * 2020-07-08 2022-01-14 乐思泰科株式会社 Antibacterial and deodorant mask containing titanium dioxide
CN114890436A (en) * 2022-05-09 2022-08-12 南京信息工程大学 Method for preparing NaA type zeolite material from casting dust and application

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Publication number Priority date Publication date Assignee Title
CN1994554A (en) * 2006-12-21 2007-07-11 北京工业大学 Preparation method of compound absorbent for removing nitrogen oxide
CN103648612A (en) * 2011-05-17 2014-03-19 恩弗里德系统公司 Sorbents for carbon dioxide reduction from indoor air
CN104248941A (en) * 2013-06-27 2014-12-31 中国石油化工股份有限公司 Purifying agent for adsorbing volatile oxides in MTO tail gas and preparation method thereof
CN104475038A (en) * 2014-12-08 2015-04-01 陈素云 Environment-friendly automotive air purification agent and preparation method thereof
CN104826580A (en) * 2015-05-22 2015-08-12 魏健 Compound multi-functional diatom pure air purification particles and preparation method thereof
CN105964220A (en) * 2016-05-12 2016-09-28 青岛海尔股份有限公司 Air purifying agent and preparation method thereof, and air purification module

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1994554A (en) * 2006-12-21 2007-07-11 北京工业大学 Preparation method of compound absorbent for removing nitrogen oxide
CN103648612A (en) * 2011-05-17 2014-03-19 恩弗里德系统公司 Sorbents for carbon dioxide reduction from indoor air
CN104248941A (en) * 2013-06-27 2014-12-31 中国石油化工股份有限公司 Purifying agent for adsorbing volatile oxides in MTO tail gas and preparation method thereof
CN104475038A (en) * 2014-12-08 2015-04-01 陈素云 Environment-friendly automotive air purification agent and preparation method thereof
CN104826580A (en) * 2015-05-22 2015-08-12 魏健 Compound multi-functional diatom pure air purification particles and preparation method thereof
CN105964220A (en) * 2016-05-12 2016-09-28 青岛海尔股份有限公司 Air purifying agent and preparation method thereof, and air purification module

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113925239A (en) * 2020-07-08 2022-01-14 乐思泰科株式会社 Antibacterial and deodorant mask containing titanium dioxide
CN114890436A (en) * 2022-05-09 2022-08-12 南京信息工程大学 Method for preparing NaA type zeolite material from casting dust and application

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Application publication date: 20171110