Controlled production of ammonia and other gases
US6244056A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 27, 1999 |
| Grant date | Jun 12, 2001 |
| Priority date | — |
| Expiry date | Aug 27, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2924/0002
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Improved methods for the controlled generation of ammonia from an ammoniated metal salt at substantially ambient temperature by applying microwave energy to the salt. The ammoniated salts have the formula MA.sub.n.X(NH.sub.3), wherein M is at least one metal selected from the group consisting of alkali metals, alkaline earth metals, scandium, ytterbium, the lanthanides, titanium, zirconium, hafnium, vanadium, niobium, tantalum, chromium, molybdenum, tungsten, manganese, technetium, rhenium, iron, ruthenium, osmium, cobalt, rhodium, iridium, nickel, palladium, platinum, copper, silver, gold, zinc, cadmium, mercury, tin, and aluminum; A is at least one ion selected from the group consisting Cl.sup.-, Br.sup.-, F.sup.-, I.sup.-, ClO.sub.3.sup.-, ClO.sub.4.sup.-, BF.sub.4.sup.-, AlCl.sub.4.sup.-, PF.sub.6.sup.-, SbCl.sub.6.sup.-, and SbF.sub.6.sup.- ; and SbF.sub.6.sup.- n is from 1 to 6; and X is from 1 to 8. The methods are useful in, inter alia, absorption type refrigeration systems where ammonia is used as a refrigerant and the salt is used as a sorbent bed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.