CN1861523A - 氨氧电池及其在硝酸铵生产中的应用 - Google Patents
氨氧电池及其在硝酸铵生产中的应用 Download PDFInfo
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- CN1861523A CN1861523A CNA2005101231998A CN200510123199A CN1861523A CN 1861523 A CN1861523 A CN 1861523A CN A2005101231998 A CNA2005101231998 A CN A2005101231998A CN 200510123199 A CN200510123199 A CN 200510123199A CN 1861523 A CN1861523 A CN 1861523A
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- Prior art keywords
- ammonia
- battery
- ammonium nitrate
- oxygen
- production
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- PDNNQADNLPRFPG-UHFFFAOYSA-N N.[O] Chemical compound N.[O] PDNNQADNLPRFPG-UHFFFAOYSA-N 0.000 title claims abstract description 21
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 10
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 9
- 239000001301 oxygen Substances 0.000 claims abstract description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000012528 membrane Substances 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 229910002340 LaNiO3 Inorganic materials 0.000 claims abstract description 3
- 239000000446 fuel Substances 0.000 claims abstract description 3
- 229910002254 LaCoO3 Inorganic materials 0.000 claims abstract 2
- 229910002321 LaFeO3 Inorganic materials 0.000 claims abstract 2
- 229910002328 LaMnO3 Inorganic materials 0.000 claims abstract 2
- 239000003054 catalyst Substances 0.000 claims abstract 2
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000003411 electrode reaction Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 2
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 2
- 150000002910 rare earth metals Chemical class 0.000 claims description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000126 substance Substances 0.000 description 7
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229920000557 Nafion® Polymers 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- OMBRFUXPXNIUCZ-UHFFFAOYSA-N dioxidonitrogen(1+) Chemical group O=[N+]=O OMBRFUXPXNIUCZ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- UQSQSQZYBQSBJZ-UHFFFAOYSA-N fluorosulfonic acid Chemical compound OS(F)(=O)=O UQSQSQZYBQSBJZ-UHFFFAOYSA-N 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910017771 LaFeO Inorganic materials 0.000 description 1
- 241000877463 Lanio Species 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- PRORZGWHZXZQMV-UHFFFAOYSA-N azane;nitric acid Chemical compound N.O[N+]([O-])=O PRORZGWHZXZQMV-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000013332 literature search Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Inert Electrodes (AREA)
- Hybrid Cells (AREA)
Abstract
本发明提供一种氨氧电池,属于化工生产节能技术领域。该氨氧电池结构装置与一般质子交换膜氢氧燃料电池一致,以氨和氧气为原料,电池负极涂渍有催化剂钙钛矿型稀土复合氧化物LaNiO3或LaMnO3或LaCoO3或LaFeO3中的一种或二种,在电池内,NH3·H2O被氧化生成NH4NO3溶液。该电池可作为合成器用于工业化生产硝酸铵,同时能提供大量的电能,将硝酸铵的工业化生产和化学发电结合起来,大大降低了生产成本。
Description
技术领域:
本发明属于化工生产节能技术领域,具体涉及氨氧电池及其在硝酸铵生产中的应用。
背景技术:
目前,世界上硝酸生产几乎全部采用氨氧化法,其生产过程是:在有催化剂的情况下,将氨氧化成一氧化氮,生成的一氧化氮继续被空气氧化为二氧化氮,二氧化氮再与水作用生成硝酸和一氧化氮。硝酸铵是硝酸盐中产量最大的化工产品,主要用于化肥和炸药。硝酸铵工业生产的方法是用硝酸与氨发生中和反应。
工业生产中,以氨为原料生产硝酸及硝酸氨都存在能耗较大的问题,如何采用先进技术降低化工生产的能耗是当今世界各国研究的核心问题之一。
在一定的条件下,NH3·H2O和O2可发生反应生成NH4NO3:
ΔrGm θ(298K)=-394kJ/mol
上述反应在电池装置中进行,化学能转换为电能,Eθ(298K)=0.51V。当电池消耗约310g NH3,可生成730克硝酸铵,同时电池输出一度电的电能。
根据文献检索,未发现有关氨氧电池以及该电池在硝酸铵生产中的应用等方面的相关文献报道,在实际工业生产中也没有使用。该电池装置不仅可以作为化学电池提供电能,而且可以作为硝酸铵化工生产的合成器。
发明内容:
本发明提供一种氨氧电池,结构装置与一般质子交换膜氢氧燃料电池一致,其特征是:该电池以氨和氧气为原料,电池负极涂渍有催化剂钙钛矿型稀土复合氧化物LaNiO3、LaMnO3、LaCoO3、LaFeO3中的一种或二种,催化剂的作用是抑制电池负极有N2的生成。
氨氧电池的结构简图见说明书附图。氨氧电池正极的电极反应为:
氨氧电池负极的电极反应为:
负极反应生成的H+通过电解质膜传递到正极与O2-生成H2O。氨氧电池的电池反应为:
氨氧电池负极通入为0.2-30%氨水溶液,流速10-350cm3/min;正极通入空气或氧气,氧气分压20-300kPa,流速3-1500cm3/min;电池工作温度为-20--200℃,电池内反应生成浓度0.4-70%硝酸铵溶液并流出电池装置,同时,电池输出电能。负极流出的硝酸铵溶液中可能存在过量的NH3·H2O或过量的HNO3,加热硝酸铵溶液脱水成固体产品过程中,过量的NH3·H2O或过量的HNO3随水蒸汽逸出,冷却后可作为原料氨水的稀释剂循环使用。
上述氨氧电池可以成为工业化生产硝酸铵的反应器,同时提供电能。利用氨氧电池将硝酸铵的工业化生产和化学发电结合起来,节省了能源,大大降低了生产成本。2004年,我国硝酸铵产量约450万吨,这些硝酸铵采用氨氧电池方法生产,可提供电能60亿度。
附图说明:
图:本发明氨氧电池的结构简图
图中:1、催化剂;2、电池负极电极;3、电解质膜;4、电池正极电极
具体实施方式:
实施例1:
见附图所示,装备氨氧电池,负极电极为特制铂电极,电极表层涂渍有LaMnO3,电解质膜为美国杜邦公司的Nafion全氟磺酸膜。氨氧电池负极流入10%NH3水溶液,流速2cm3/min;正极通入O2,分压为120kPa,流速400cm3/min;电池工作温度为25℃,电池负极端流出23%的NH4NO3水溶液,同时,电池电压为0.50V。1000个上述电池组成电池堆,1小时可生产NH4NO328公斤,输出电能38度。
实施例2:
见附图所示,装备氨氧电池,负极电极为特制石墨电极,电极表层涂渍有LaNiO3,电解质膜为美国杜邦公司的Nafion全氟磺酸膜。氨氧电池负极流入16%NH3水溶液,流速1cm3/min;正极通入空气,氧气分压为21kPa,流速1500cm3/min;电池工作温度为25℃,电池负极端流出37%的NH4NO3水溶液,同时,电池电压为0.51V。2000个上述电池组成电池堆,1小时可生产NH4NO345公斤,输出电能60度。
Claims (2)
1、一种氨氧电池,结构装置与一般质子交换膜氢氧燃料电池一致,其特征是:该电池以氨和氧气为原料,电池负极涂渍有催化剂钙钛矿型稀土复合氧化物LaNiO3或LaMnO3或LaCoO3或LaFeO3中的一种或二种,电池负极的电极反应为: 。
2、根据权利要求1所述氨氧电池在硝酸铵生产中的应用,其特征是:利用氨氧电池反应装置生产硝酸铵,同时提供电能。
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CNB2005101231998A CN100379681C (zh) | 2005-12-22 | 2005-12-22 | 氨氧电池及其在硝酸铵生产中的应用 |
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US3650838A (en) * | 1965-09-30 | 1972-03-21 | United Aircraft Corp | Electrochemical cell with platinum-ruthenium electrode and method of using with ammonia |
DK159963C (da) * | 1988-07-01 | 1991-06-03 | Haldor Topsoe As | Fremgangsmaade til fremstilling af ammoniak |
EP1469544A1 (en) * | 2003-04-11 | 2004-10-20 | Matsushita Electric Industrial Co., Ltd. | Method of operating a fuel cell, air purifying apparatus and fuel cell |
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Granted publication date: 20080409 Termination date: 20101222 |