CN103920381A - Carbon dioxide absorbent - Google Patents
Carbon dioxide absorbent Download PDFInfo
- Publication number
- CN103920381A CN103920381A CN201310467706.4A CN201310467706A CN103920381A CN 103920381 A CN103920381 A CN 103920381A CN 201310467706 A CN201310467706 A CN 201310467706A CN 103920381 A CN103920381 A CN 103920381A
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- dioxide absorbent
- carbon
- absorbent
- water
- seasoning liquid
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The invention relates to a carbon dioxide absorbent mainly used for the absorption of carbon dioxide gas exhaled from human body in medical exhaling diagnosis. A prepared solution of the carbon dioxide absorbent is composed of the following raw materials by weight: 21 parts of lithium hydroxide monohydrate, 1 part of sodium hydroxide and 100 parts of water, and a non-woven fabric sheet is coated with the prepared solution of the carbon dioxide absorbent, and then placed in a drying box for drying to prepare the carbon dioxide absorbent. The lithium hydroxide monohydrate is used as a main component of the absorbent, and is convenient in detection, low in corrosion and less in harm to human body; the sodium hydroxide is used as a reinforcing agent, enhances the alkalinity of the absorbent, also enhances the ability of the CO2 absorption, enhances the adhesion ability of dried lithium hydroxide powder in the non-woven fabric, and reduces the shedding of the lithium hydroxide powder.
Description
Technical field
The present invention relates to a kind of absorbent of absorbing carbon dioxide gas, the specifically carbon-dioxide absorbent in a kind of gas collection card, is mainly used in absorbing the carbon dioxide of characteristics of contaminated respiratory droplets in medical breath diagnosis.
Background technology
Cassette helicobacter pylori detector is that one is specifically designed to
14a kind of diagnostic instrments of C-urea breath test, it is to the expiration sample CO gathering
2measure, measure wherein
14the radioactive activity of C, whether diagnosable helicobacter exists and degree.This detector utilizes disposable carbon dioxide gas collection card to gather expiration, contains the absorbing sheet that is useful on absorbing carbon dioxide in gas collection card.
The absorbent of carbon dioxide generally has calcium oxide, calcium hydroxide, sodium oxide molybdena, NaOH and potassium hydroxide etc.The absorbent being coated on absorbing sheet must be liquid solution, but calcium oxide and calcium hydroxide are slightly soluble in water, all absorb CO
2generate lump calcium carbonate (containing part calcium bicarbonate) with water, by part
14c soft beta ray wraps up, and detector is not easy to detect; The water-soluble reaction of sodium oxide molybdena is fierce, makes water boiling generate sodium hydroxide solution, when operation, easily hurts sb.'s feelings; The water-soluble heat release of NaOH and potassium hydroxide but can control, but corrosivity is more intense, and contact meeting damages human body accidentally, and absorbs CO
2with after water, generate respectively sodium carbonate (can contain part sodium acid carbonate) and potash (can contain part saleratus), sodium carbonate and potash very easily moisture absorption are formed lump, by part
14c soft beta ray wraps up, and detector is also not easy to detect.
Therefore designing and developing the carbon-dioxide absorbent that a kind of convenience detects, corrosivity is little and absorbability is strong has great importance.
Summary of the invention
The object of the present invention is to provide a kind of carbon-dioxide absorbent, this absorbent conveniently detects, the little order absorbability of corrosivity is strong.
Object of the present invention can be achieved through the following technical solutions:
A kind of carbon-dioxide absorbent, the seasoning liquid of described carbon-dioxide absorbent is made up of the raw material of following weight portion: 21 parts of monohydrate lithium hydroxides, 1 part, NaOH, 100 parts, water.
Prepare a kind of above-mentioned carbon-dioxide absorbent seasoning liquid method, comprise the following steps:
(1) take 21 parts of monohydrate lithium hydroxides and proceed in reagent bottle, then add 50 parts of water to be mixed with the supersaturated solution of lithium hydroxide;
(2) take 1 part of NaOH, add suitable quantity of water and dissolve, then dissolution of sodium hydroxide liquid is transferred in above-mentioned (1) middle reagent bottle;
(3) remaining water in formula ratio is joined in above-mentioned (2) middle reagent bottle, jolting reagent bottle fully dissolves by raw material.
Preferably, described carbon-dioxide absorbent seasoning liquid is coated on non-woven fabric plate, is positioned in drying box and dries.
Preferably, the bake out temperature of carbon-dioxide absorbent seasoning liquid is 75～80 DEG C, and drying time is 70～80min, and the dry rear moisture detecting in dry gained powder, should make the moisture containing 2～5% in powder.
Preferably, the carbon-dioxide absorbent seasoning liquid volume being coated with on every non-woven fabric plate is 1～2.5mL.
Raw material effect of the present invention is as follows: monohydrate lithium hydroxide is as absorbent key component, and lithium hydroxide corrosivity is little, and also minimum to harm, it absorbs CO
2with after water, generate lithium carbonate, lithium carbonate moisture absorption is lower than sodium carbonate and potash, prevented from caking is looser, right
14it is smaller that C soft beta ray detects impact; NaOH is reinforcing agent, adds 1% NaOH in lithium hydroxide supersaturated solution, has strengthened the basicity of absorbent, has also just strengthened absorption CO
2ability, strengthened dried lithium hydroxide powder adhesive capacity on nonwoven simultaneously, reduced coming off of lithium hydroxide powder,
Beneficial effect of the present invention has: (1) absorbent of the present invention is convenient to be detected, and lithium hydroxide absorbs CO
2low with the lithium carbonate hygroscopicity generating after water, prevented from caking, looser, right
14it is smaller that C soft beta ray detects impact; (2) absorbent corrosivity of the present invention is little, and lithium hydroxide alkalescence and corrosivity are lower than NaOH, potassium hydroxide, and contact is little to human injury accidentally; (3) absorbent absorbability of the present invention is strong, and this absorbent is obviously good than the absorbent properties of the common carbon-dioxide absorbents such as conventional calcium oxide and calcium hydroxide; (4) absorbent absorption rate of the present invention is fast, absorptive capacity is large, because lithium hydroxide is strong basicity, with CO
2association reaction rapid, absorbent seasoning liquid is coated on non-woven fabric plate, dried powdery granule sorbent surface is long-pending larger, absorptive capacity is more.(5) the present invention is easy to use, and person under inspection swallows
14c capsule was sat quietly after 15 minutes, slowly exhaled 1～5 minute toward the interior absorbing sheet of gas collection card, just can complete sampling, removed the outer seal of absorbing sheet, and will block insertion detector just can sample.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail.
1 one kinds of carbon-dioxide absorbents of embodiment, the seasoning liquid of described carbon-dioxide absorbent is made up of the raw material of following weight portion: monohydrate lithium hydroxide 840g part, NaOH 40g, water 4000g.
Prepare a kind of above-mentioned carbon-dioxide absorbent seasoning liquid method, comprise the steps: that (1) takes 840g monohydrate lithium hydroxide and proceeds in 5000mL reagent bottle, then add 2000g water to be mixed with the supersaturated solution of lithium hydroxide; (2) take 40g NaOH, add the water-soluble solution of 300g, then dissolution of sodium hydroxide liquid is transferred in above-mentioned 5000mL in reagent bottle; (3) 1700g water is joined in above-mentioned 5000mL reagent bottle, jolting reagent bottle fully dissolves by raw material.
Get above-mentioned carbon-dioxide absorbent seasoning liquid 1mL and be coated on non-woven fabric plate, be positioned in drying box and dry.The bake out temperature of carbon-dioxide absorbent seasoning liquid is 75 DEG C, and drying time is 70～80min, and the dry rear moisture detecting in dry gained powder, should make the moisture containing 2～5% in powder.
Embodiment 2
A kind of carbon-dioxide absorbent, the seasoning liquid of described carbon-dioxide absorbent is made up of the raw material of following weight portion: monohydrate lithium hydroxide 840g part, NaOH 40g, water 4000g.
Prepare a kind of above-mentioned carbon-dioxide absorbent seasoning liquid method, comprise the steps: that (1) takes 840g monohydrate lithium hydroxide and proceeds in 5000mL reagent bottle, then add 2000g water to be mixed with the supersaturated solution of lithium hydroxide; (2) take 40g NaOH, add the water-soluble solution of 400g, then dissolution of sodium hydroxide liquid is transferred in above-mentioned 5000mL in reagent bottle; (3) 1600g water is joined in above-mentioned 5000mL reagent bottle, jolting reagent bottle fully dissolves by raw material.
Get above-mentioned carbon-dioxide absorbent seasoning liquid 2mL and be coated on non-woven fabric plate, be positioned in drying box and dry.The bake out temperature of carbon-dioxide absorbent seasoning liquid is 77 DEG C, and drying time is 70～80min, and the dry rear moisture detecting in dry gained powder, should make the moisture containing 2～5% in powder.
Embodiment 3
A kind of carbon-dioxide absorbent, the seasoning liquid of described carbon-dioxide absorbent is made up of the raw material of following weight portion: monohydrate lithium hydroxide 840g part, NaOH 40g, water 4000g.
Prepare a kind of above-mentioned carbon-dioxide absorbent seasoning liquid method, comprise the steps: that (1) takes 840g monohydrate lithium hydroxide and proceeds in 5000mL reagent bottle, then add 2000g water to be mixed with the supersaturated solution of lithium hydroxide; (2) take 40g NaOH, add the water-soluble solution of 500g, then dissolution of sodium hydroxide liquid is transferred in above-mentioned 5000mL in reagent bottle; (3) 1500g water is joined in above-mentioned 5000mL reagent bottle, jolting reagent bottle fully dissolves by raw material.
Get above-mentioned carbon-dioxide absorbent seasoning liquid 2.5mL and be coated on non-woven fabric plate, be positioned in drying box and dry.The bake out temperature of carbon-dioxide absorbent seasoning liquid is 80 DEG C, and drying time is 70～80min, and the dry rear moisture detecting in dry gained powder, should make the moisture containing 2～5% in powder.
Claims (5)
1. a carbon-dioxide absorbent, is characterized in that, the seasoning liquid of described carbon-dioxide absorbent is made up of the raw material of following weight portion: 21 parts of monohydrate lithium hydroxides, 1 part, NaOH, 100 parts, water.
2. a preparation a kind of carbon-dioxide absorbent seasoning liquid method claimed in claim 1, is characterized in that, comprises the following steps:
(1) take 21 parts of monohydrate lithium hydroxides and proceed in reagent bottle, then add 50 parts of water to be mixed with the supersaturated solution of lithium hydroxide;
(2) take 1 part of NaOH, add suitable quantity of water and dissolve, then dissolution of sodium hydroxide liquid is transferred in above-mentioned (1) middle reagent bottle;
(3) remaining water in formula ratio is joined in above-mentioned (2) middle reagent bottle, jolting reagent bottle fully dissolves by raw material.
3. a kind of carbon-dioxide absorbent according to claim 1, is characterized in that, described carbon-dioxide absorbent seasoning liquid is coated on multi-disc non-woven fabric plate, is positioned in drying box and dries.
4. a kind of carbon-dioxide absorbent according to claim 3, it is characterized in that, the bake out temperature of described carbon-dioxide absorbent seasoning liquid is 75～80 DEG C, and drying time is 70～80min, after dry, detect the moisture in dry gained powder, should make the moisture containing 2～5% in powder.
5. a kind of carbon-dioxide absorbent according to claim 3, is characterized in that, the carbon-dioxide absorbent seasoning liquid volume being coated with on every non-woven fabric plate is 1～2.5mL.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310467706.4A CN103920381A (en) | 2013-09-30 | 2013-09-30 | Carbon dioxide absorbent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310467706.4A CN103920381A (en) | 2013-09-30 | 2013-09-30 | Carbon dioxide absorbent |
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|---|---|
| CN103920381A true CN103920381A (en) | 2014-07-16 |
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| CN201310467706.4A Pending CN103920381A (en) | 2013-09-30 | 2013-09-30 | Carbon dioxide absorbent |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032164A (en) * | 2015-07-10 | 2015-11-11 | 中国船舶重工集团公司第七一八研究所 | Carbon dioxide absorbent taking magnesium oxide as main material and preparation method for carbon dioxide absorbent |
| CN110412239A (en) * | 2018-04-27 | 2019-11-05 | 大连理工大学 | A kind of quickly detection Microbial biomass C O2The gel test paper and its application method of respiratory rate |
| CN111044547A (en) * | 2019-12-31 | 2020-04-21 | 深圳市福瑞康科技有限公司 | Absorber, gas collecting card, respiration detection equipment, preparation method and application |
| CN115247376A (en) * | 2022-07-26 | 2022-10-28 | 深圳市中核海得威生物科技有限公司 | Preparation method of base material for carbon dioxide absorbing material |
Citations (6)
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| CN1081398A (en) * | 1992-07-20 | 1994-02-02 | 中国科学院上海冶金研究所 | Effective carbon-dioxide absorbent and preparation method thereof |
| CN101104128A (en) * | 2007-08-01 | 2008-01-16 | 煤炭科学研究总院抚顺分院 | Carbon dioxide absorbent and preparation method |
| CN101636225A (en) * | 2006-12-26 | 2010-01-27 | 联合健康护理产品有限公司 | Carbon-dioxide absorbent |
| CN201540242U (en) * | 2009-09-23 | 2010-08-04 | 北京华亘安邦科技有限公司 | Self-calibration system for concentration parameters from gas analyzer |
| CN102921273A (en) * | 2012-11-05 | 2013-02-13 | 中国船舶重工集团公司第七一八研究所 | Mine carbon dioxide absorbent and preparation method thereof |
| CN103142232A (en) * | 2013-01-11 | 2013-06-12 | 安徽养和医疗器械设备有限公司 | Expiration sampling device and application method thereof |
-
2013
- 2013-09-30 CN CN201310467706.4A patent/CN103920381A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1081398A (en) * | 1992-07-20 | 1994-02-02 | 中国科学院上海冶金研究所 | Effective carbon-dioxide absorbent and preparation method thereof |
| CN101636225A (en) * | 2006-12-26 | 2010-01-27 | 联合健康护理产品有限公司 | Carbon-dioxide absorbent |
| CN101104128A (en) * | 2007-08-01 | 2008-01-16 | 煤炭科学研究总院抚顺分院 | Carbon dioxide absorbent and preparation method |
| CN201540242U (en) * | 2009-09-23 | 2010-08-04 | 北京华亘安邦科技有限公司 | Self-calibration system for concentration parameters from gas analyzer |
| CN102921273A (en) * | 2012-11-05 | 2013-02-13 | 中国船舶重工集团公司第七一八研究所 | Mine carbon dioxide absorbent and preparation method thereof |
| CN103142232A (en) * | 2013-01-11 | 2013-06-12 | 安徽养和医疗器械设备有限公司 | Expiration sampling device and application method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032164A (en) * | 2015-07-10 | 2015-11-11 | 中国船舶重工集团公司第七一八研究所 | Carbon dioxide absorbent taking magnesium oxide as main material and preparation method for carbon dioxide absorbent |
| CN110412239A (en) * | 2018-04-27 | 2019-11-05 | 大连理工大学 | A kind of quickly detection Microbial biomass C O2The gel test paper and its application method of respiratory rate |
| CN110412239B (en) * | 2018-04-27 | 2021-08-10 | 大连理工大学 | Rapid detection of microbial CO2Gel test paper for respiratory rate and use method thereof |
| CN111044547A (en) * | 2019-12-31 | 2020-04-21 | 深圳市福瑞康科技有限公司 | Absorber, gas collecting card, respiration detection equipment, preparation method and application |
| CN115247376A (en) * | 2022-07-26 | 2022-10-28 | 深圳市中核海得威生物科技有限公司 | Preparation method of base material for carbon dioxide absorbing material |
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Application publication date: 20140716 |
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