CN106237999B - A kind of preparation process of carbon dioxide absorber - Google Patents

A kind of preparation process of carbon dioxide absorber Download PDF

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Publication number
CN106237999B
CN106237999B CN201610628946.1A CN201610628946A CN106237999B CN 106237999 B CN106237999 B CN 106237999B CN 201610628946 A CN201610628946 A CN 201610628946A CN 106237999 B CN106237999 B CN 106237999B
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prepare
mass ratio
carbon dioxide
preparation process
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CN106237999A (en
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陶建中
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Xuzhou Jiawang District eco agricultural science and Technology Development Co., Ltd.
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Fuyang Hangzhou Chang Chang Machinery Co Ltd
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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
    • 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
    • B01J20/08—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 comprising aluminium oxide or hydroxide; comprising bauxite
    • 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
    • B01J20/16—Alumino-silicates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/50—Carbon oxides
    • B01D2257/504—Carbon dioxide
    • 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
    • B01J2220/4825—Polysaccharides or cellulose materials, e.g. starch, chitin, sawdust, wood, straw, cotton
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/40—Capture or disposal of greenhouse gases of CO2

Abstract

The invention belongs to carbon dioxide absorber technical fields, disclose a kind of preparation process of carbon dioxide absorber comprising following steps：Step 1）Prepare material A, step 2）Prepare material B, step 3）Prepare material C, step 4）Prepare adsorbent.Preparation process simple possible of the present invention is suitble to large-scale industrial production.

Description

A kind of preparation process of carbon dioxide absorber
Technical field
The invention belongs to carbon dioxide absorber technical fields, are related to a kind of preparation process of carbon dioxide absorber.
Background technology
With the rapid growth of world population and energy consumption, the carbon dioxide damage that largely discharges region environment Carbon balance in system, to cause global warming, the discharge capacity for reducing carbon dioxide is to cope with the key point of greenhouse effects. Either using carbon dioxide as feedstock circulation using still burying, enrichment process is all necessary, but the process cost is huge Greatly, therefore, by various methods efficiently, economically reduce air in carbon dioxide concentration have become current research hotspot it One.And in certain special dimensions, the content for reducing carbon dioxide in gas, such as biogas is needed to prepare purification art.So far The method of capture, the separation of carbon dioxide mainly has solvent absorption, absorption method, membrane separation process and cryogenic distillation process etc., wherein Absorption method has many advantages, such as that technological operation is simple, flow is short, small investment, operation are flexible, thus shows wide application prospect.
Currently, solid absorbent is a kind of selection well, preparation method is simple, at low cost, titanium dioxide in adsorption process Carbon exists in solid form, convenient for storage, transport and uses.To there is preparation process in existing adsorbent cumbersome mostly, cost compared with The defects of height, adsorption effect is poor.
Invention content
In order to overcome the defect of prior art adsorbent, the present invention provides a kind of preparation works of carbon dioxide absorber Skill, this is simple for process feasible, and the adsorbent adsorption effect prepared is good, of low cost, environment friendly and pollution-free.
To achieve the above object, the technical solution adopted in the present invention is as follows：
A kind of preparation process of carbon dioxide absorber comprising following steps：
Step 1）Prepare material A, step 2）Prepare material B, step 3）Prepare material C, step 4）Prepare adsorbent.
Specifically, include the following steps：
Step 1）Prepare material A：Maize straw is put into pulverization process in pulverizer and obtains straw powder, then by stalk Powder is with wheat bran according to 3:1 mass ratio is uniformly mixed, and is added in the sodium hydrate aqueous solution of a concentration of 1M, is impregnated 10 hours, It is air-dried after filtering, it is 10-20 mesh powders, as material A to be ground into grain size；The quality of the sodium hydrate aqueous solution is wheat bran 5 times of quality；
Step 2）Prepare material B：Nano aluminium oxide and glass fibre are added in reaction vessel successively, stirred evenly, Then titanate coupling agent and acrylic acid are added, 200 turns/min stirs 10min, then stands 30min to get material B；Wherein, it receives Rice aluminium oxide, glass fibre, titanate coupling agent and acrylic acid mass ratio be 5:3:2:1；A diameter of 10- of glass fibre 20um, length 30-50um；
Step 3）Prepare material C：Zeolite is put into pulverization process in pulverizer, is then ground to the zeolite of 10-20 mesh Powder；By zeolite powder, calcium hydroxide and purified water according to 1:3:1 mass ratio is mixed evenly, and obtains material C；
Step 4）Prepare adsorbent：Material A and material B are mixed evenly, are subsequently placed in closed reactor, with 20 DEG C/heating rate of min rises to 120 DEG C, keeps the temperature 30min, takes out, put into blender, 200 turns/min stirs 5min, then Add materials C into blender, continues to stir 2min with 300 turns/min, takes out mixture, be placed in baking oven, and 60 DEG C of drying 2 are small When to get；Wherein, the mass ratio of material A, material B and material C is 12-16:6-9:15-20.
The advantageous effect that the present invention obtains includes mainly the following aspects：
For adsorbent prepared by the present invention using agricultural wastes and natural mineral matter as primary raw material, this raw material sources are extensive And it is at low cost, and porous material is prepared, adsorption effect is good, realizes agricultural wastes recycling；
The present invention is by being modified glass fibre so that rough surface is hard, large specific surface area, has preferable friendship Change capacity；Nano alumina material can preferably be coupled and be attached in aperture, pollution-free, and adsorption effect is good, and service life is long； Calcium hydroxide bound zeolite powder, controls suitable grain size, improves adsorption capacity；The present invention need not use the harshness such as high temperature Condition, epigranular, wear-resisting property is good, is easy to preserve, preparation method is simple, and production process does not generate toxic waste, to people Body is harmless, is suitable for large-scale production.
Specific implementation mode
In order to make those skilled in the art better understand the technical solutions in the application, having below in conjunction with the application Body embodiment more clearly and completely describes the present invention, it is clear that described embodiment is only the application one Divide embodiment, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making The every other embodiment obtained under the premise of creative work, should all belong to the scope of protection of the invention.
Embodiment 1
A kind of preparation process of carbon dioxide absorber comprising following steps：
Step 1）Prepare material A, step 2）Prepare material B, step 3）Prepare material C, step 4）Prepare adsorbent.
Specifically, include the following steps：
Step 1）Prepare material A：Maize straw is put into pulverization process in pulverizer and obtains straw powder, then by stalk Powder is with wheat bran according to 3:1 mass ratio is uniformly mixed, and is added in the sodium hydrate aqueous solution of a concentration of 1M, is impregnated 10 hours, It is air-dried after filtering, it is 10 mesh powders, as material A to be ground into grain size；The quality of the sodium hydrate aqueous solution is wheat bran matter 5 times of amount；
Step 2）Prepare material B：Nano aluminium oxide and glass fibre are added in reaction vessel successively, stirred evenly, Then titanate coupling agent and acrylic acid are added, 200 turns/min stirs 10min, then stands 30min to get material B；Wherein, it receives Rice aluminium oxide, glass fibre, titanate coupling agent and acrylic acid mass ratio be 5:3:2:1；A diameter of 10- of glass fibre 20um, length 30-50um；
Step 3）Prepare material C：Zeolite is put into pulverization process in pulverizer, is then ground to the zeolite powder of 10 mesh； By zeolite powder, calcium hydroxide and purified water according to 1:3:1 mass ratio is mixed evenly, and obtains material C；
Step 4）Prepare adsorbent：Material A and material B are mixed evenly, are subsequently placed in closed reactor, with 20 DEG C/heating rate of min rises to 120 DEG C, keeps the temperature 30min, takes out, put into blender, 200 turns/min stirs 5min, then Add materials C into blender, continues to stir 2min with 300 turns/min, takes out mixture, be placed in baking oven, and 60 DEG C of drying 2 are small When to get；Wherein, the mass ratio of material A, material B and material C is 12:6:15.
Embodiment 2
A kind of preparation process of carbon dioxide absorber comprising following steps：
Step 1）Prepare material A, step 2）Prepare material B, step 3）Prepare material C, step 4）Prepare adsorbent.
Specifically, include the following steps：
Step 1）Prepare material A：Maize straw is put into pulverization process in pulverizer and obtains straw powder, then by stalk Powder is with wheat bran according to 3:1 mass ratio is uniformly mixed, and is added in the sodium hydrate aqueous solution of a concentration of 1M, is impregnated 10 hours, It is air-dried after filtering, it is 20 mesh powders, as material A to be ground into grain size；The quality of the sodium hydrate aqueous solution is wheat bran matter 5 times of amount；
Step 2）Prepare material B：Nano aluminium oxide and glass fibre are added in reaction vessel successively, stirred evenly, Then isopropyl three is added（Dioctylphyrophosphoric acid acyloxy）Titanate coupling agent and acrylic acid, 200 turns/min stir 10min, 30min is stood again to get material B；Wherein, nano aluminium oxide, glass fibre, isopropyl three（Dioctylphyrophosphoric acid acyloxy）Titanium The mass ratio of sour fat coupling agent and acrylic acid is 5:3:2:1；A diameter of 10-20um of glass fibre, length 30-50um；
Step 3）Prepare material C：Zeolite is put into pulverization process in pulverizer, is then ground to the zeolite powder of 20 mesh； By zeolite powder, calcium hydroxide and purified water according to 1:3:1 mass ratio is mixed evenly, and obtains material C；
Step 4）Prepare adsorbent：Material A and material B are mixed evenly, are subsequently placed in closed reactor, with 20 DEG C/heating rate of min rises to 120 DEG C, keeps the temperature 30min, takes out, put into blender, 200 turns/min stirs 5min, then Add materials C into blender, continues to stir 2min with 300 turns/min, takes out mixture, be placed in baking oven, and 60 DEG C of drying 2 are small When to get；Wherein, the mass ratio of material A, material B and material C is 16:9:20.
Embodiment 3
The performance test of adsorbent prepared by 1-2 techniques of the embodiment of the present invention：
The adsorbent 20g that respectively prepared by Example 1 or 2, is placed in the U-tube of AutoChem II 2920；Then lead to Enter 10%CO2- He gases, gas pressure 0.3MPa, gas flow 10ml.min-1, keep 10min, CO2In-He gases CO2Percentage by volume is that 5%, He percentage by volumes are 95%；Adsorbent absorption of the present invention can reach saturation in 10min, 1 adsorbent of embodiment can reach the adsorbance of 7.02mmol/g, and 2 adsorbent of embodiment can reach the adsorbance of 7.18mmol/g, It is substantially better than the absorption property of common activated carbon or Ca-base adsorbent.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means particular features, structures, materials, or characteristics described in conjunction with this embodiment or example It is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms differ Surely identical embodiment or example are referred to.Moreover, particular features, structures, materials, or characteristics described can be any It can be combined in any suitable manner in one or more embodiments or example.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective In the case of can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.

Claims (2)

1. a kind of preparation process of carbon dioxide absorber comprising following steps：
Step 1）Prepare material A：Maize straw is put into pulverization process in pulverizer and obtains straw powder, then by straw powder with Wheat bran is according to 3:1 mass ratio is uniformly mixed, and is added in the sodium hydrate aqueous solution of a concentration of 1M, is impregnated 10 hours, filtering After air-dry, it is 10-20 mesh powders, as material A to be ground into grain size；The quality of the sodium hydrate aqueous solution is wheat bran quality 5 times；
Step 2）Prepare material B：Nano aluminium oxide and glass fibre are added in reaction vessel successively, stirred evenly, then Titanate coupling agent and acrylic acid are added, 200 turns/min stirs 10min, then stands 30min to get material B；Wherein, nano oxygen The mass ratio for changing aluminium, glass fibre, titanate coupling agent and acrylic acid is 5:3:2:1；
Step 3）Prepare material C：Zeolite is put into pulverization process in pulverizer, is then ground to the zeolite powder of 10-20 mesh；It will Zeolite powder, calcium hydroxide and purified water are according to 1:3:1 mass ratio is mixed evenly, and obtains material C；
Step 4）Prepare adsorbent：Material A and material B are mixed evenly, are subsequently placed in closed reactor, with 20 DEG C/ The heating rate of min rises to 120 DEG C, keeps the temperature 30min, takes out, puts into blender, and 200 turns/min stirs 5min, then toward stirring The C that adds materials in device is mixed, continues to stir 2min with 300 turns/min, takes out mixture, be placed in baking oven, 60 DEG C dry 2 hours, To obtain the final product；Wherein, the mass ratio of material A, material B and material C is 12-16:6-9:15-20.
2. preparation process according to claim 1, which is characterized in that a diameter of 10-20 μm of the glass fibre, length It is 30-50 μm.
CN201610628946.1A 2016-08-04 2016-08-04 A kind of preparation process of carbon dioxide absorber Active CN106237999B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2719382A1 (en) * 2008-04-09 2009-10-15 Velocys Inc. Process for upgrading a carbonaceous material using microchannel process technology
CN103923948A (en) * 2013-01-11 2014-07-16 华中农业大学 Co-production method for preparing ethanol, biogas and biodiesel by using organic waste
CN105000997A (en) * 2015-07-30 2015-10-28 合肥旭腾环保科技有限公司 Wheat straw biochar fertilizer capable of reducing greenhouse gas emission and preparation method thereof
CN105498720A (en) * 2014-10-14 2016-04-20 中国石油化工股份有限公司 Solid adsorbent for removing H2S, CO2, and organic sulfur from mixed gas

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2719382A1 (en) * 2008-04-09 2009-10-15 Velocys Inc. Process for upgrading a carbonaceous material using microchannel process technology
CN103923948A (en) * 2013-01-11 2014-07-16 华中农业大学 Co-production method for preparing ethanol, biogas and biodiesel by using organic waste
CN105498720A (en) * 2014-10-14 2016-04-20 中国石油化工股份有限公司 Solid adsorbent for removing H2S, CO2, and organic sulfur from mixed gas
CN105000997A (en) * 2015-07-30 2015-10-28 合肥旭腾环保科技有限公司 Wheat straw biochar fertilizer capable of reducing greenhouse gas emission and preparation method thereof

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