JP2014069977A5 - - Google Patents
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- JP2014069977A5 JP2014069977A5 JP2012215065A JP2012215065A JP2014069977A5 JP 2014069977 A5 JP2014069977 A5 JP 2014069977A5 JP 2012215065 A JP2012215065 A JP 2012215065A JP 2012215065 A JP2012215065 A JP 2012215065A JP 2014069977 A5 JP2014069977 A5 JP 2014069977A5
- Authority
- JP
- Japan
- Prior art keywords
- nitric oxide
- adsorbent
- mixed gas
- inorganic
- aqueous solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims 24
- 239000003463 adsorbent Substances 0.000 claims 9
- 238000000746 purification Methods 0.000 claims 8
- 239000007789 gas Substances 0.000 claims 7
- 238000000034 method Methods 0.000 claims 6
- 239000007864 aqueous solution Substances 0.000 claims 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims 4
- 239000012535 impurity Substances 0.000 claims 4
- 238000001179 sorption measurement Methods 0.000 claims 4
- -1 inorganic acid salt Chemical class 0.000 claims 3
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 claims 2
- 239000002253 acid Substances 0.000 claims 2
- 229910052500 inorganic mineral Inorganic materials 0.000 claims 2
- 239000011707 mineral Substances 0.000 claims 2
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims 2
- 229910002651 NO3 Inorganic materials 0.000 claims 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 claims 1
- 230000002378 acidificating effect Effects 0.000 claims 1
- 239000003513 alkali Substances 0.000 claims 1
- 238000004140 cleaning Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N nitrate group Chemical group [N+](=O)([O-])[O-] NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims 1
- 229910017604 nitric acid Inorganic materials 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
Claims (8)
上記吸着剤として、無機系吸着剤に対して、無機酸塩を生成するための前処理が予め施された前処理済吸着剤を用いることを特徴とする、一酸化窒素精製方法。 A method for purifying nitric oxide comprising an adsorption step for allowing a mixed gas containing at least nitrogen monoxide and moisture to flow through the adsorbent and adsorbing moisture to the adsorbent,
A method for purifying nitric oxide, comprising using, as the adsorbent, a pretreated adsorbent in which a pretreatment for generating an inorganic acid salt is performed in advance on an inorganic adsorbent.
上記混合ガスを上記吸着工程行う前に、当該混合ガスをアルカリ水溶液に接触させて上記不純物を吸収除去するためのアルカリ洗浄工程を更に含む請求項１〜４のいずれかに記載の一酸化窒素精製方法。 The mixed gas contains at least one of nitrogen dioxide and sulfur dioxide as impurities,
The nitric oxide purification according to any one of claims 1 to 4, further comprising an alkali cleaning step for bringing the mixed gas into contact with an alkaline aqueous solution to absorb and remove the impurities before performing the adsorption step. Method.
上記無機系吸着剤は、無機酸塩を生成するための前処理が予め施されていることを特徴とする、一酸化窒素精製ライン。 The said nitric oxide refinement | purification line characterized by the above-mentioned inorganic type adsorbent being pre-processed previously in order to produce | generate an inorganic acid salt.
上記吸着管よりも上流側に、上記混合ガスから上記不純物を接触除去するためのアルカリ水溶液が収容された吸収液接触装置が設けられている、請求項６又は７に記載の一酸化窒素精製ライン。The nitric oxide purification line according to claim 6 or 7, wherein an absorption liquid contact device containing an alkaline aqueous solution for contacting and removing the impurities from the mixed gas is provided upstream of the adsorption pipe. .
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012215065A JP6196434B2 (en) | 2012-09-27 | 2012-09-27 | Nitric oxide purification method |
| TW102125341A TWI619674B (en) | 2012-09-27 | 2013-07-16 | Refining method of nitric oxide |
| KR1020130106887A KR102101999B1 (en) | 2012-09-27 | 2013-09-05 | Method for purifying nitric oxide |
| CN201310445107.2A CN103693629B (en) | 2012-09-27 | 2013-09-26 | Nitric oxide production process for purification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012215065A JP6196434B2 (en) | 2012-09-27 | 2012-09-27 | Nitric oxide purification method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2014069977A JP2014069977A (en) | 2014-04-21 |
| JP2014069977A5 true JP2014069977A5 (en) | 2015-08-27 |
| JP6196434B2 JP6196434B2 (en) | 2017-09-13 |
Family
ID=50355328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012215065A Active JP6196434B2 (en) | 2012-09-27 | 2012-09-27 | Nitric oxide purification method |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6196434B2 (en) |
| KR (1) | KR102101999B1 (en) |
| CN (1) | CN103693629B (en) |
| TW (1) | TWI619674B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111547690B (en) * | 2020-06-19 | 2024-03-29 | 大连大特气体有限公司 | High-purity electronic grade nitric oxide production device |
| CN112591722B (en) * | 2020-12-16 | 2022-05-17 | 四川金象赛瑞化工股份有限公司 | Method for co-producing industrial-grade nitric acid and electronic-grade nitric acid |
| CN113753868A (en) * | 2021-10-14 | 2021-12-07 | 苏州金宏气体股份有限公司 | Purification method, purification device and production device of nitric oxide gas |
| CN115814573A (en) * | 2022-11-29 | 2023-03-21 | 四川力达世环保技术有限公司 | Integrated treatment system for the production of mineral nitrohumic acid and nitrofulvic acid |
| CN119303430B (en) * | 2024-11-20 | 2026-01-16 | 中船(邯郸)派瑞特种气体股份有限公司 | Purification device and method for nitric oxide gas |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4153429A (en) | 1975-05-21 | 1979-05-08 | Union Carbide Corporation | Selective adsorption of NOx from gas streams |
| US5328673A (en) * | 1992-11-23 | 1994-07-12 | Olin Corporation | Process for removal of NOx and SOx oxides from waste gases with chloric acid |
| JPH07163837A (en) * | 1993-12-14 | 1995-06-27 | Kobe Steel Ltd | Method for removing nitrogen oxide |
| US5514204A (en) * | 1994-07-07 | 1996-05-07 | The Boc Group, Inc. | Process for the purification of nitric oxide |
| JP2004305869A (en) * | 2003-04-04 | 2004-11-04 | Idemitsu Kosan Co Ltd | Adsorbent for removing sulfur compounds and method for producing hydrogen for fuel cells |
| JP4641255B2 (en) * | 2005-12-22 | 2011-03-02 | 住友精化株式会社 | Nitric oxide purification method |
| KR100978805B1 (en) | 2008-07-11 | 2010-08-30 | (주)이노메이트 | High purity nitrogen monoxide production method using cryogenic refrigeration trap and apparatus for manufacturing same |
-
2012
- 2012-09-27 JP JP2012215065A patent/JP6196434B2/en active Active
-
2013
- 2013-07-16 TW TW102125341A patent/TWI619674B/en active
- 2013-09-05 KR KR1020130106887A patent/KR102101999B1/en active Active
- 2013-09-26 CN CN201310445107.2A patent/CN103693629B/en active Active
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