US2797148A
(en )
1957-06-25
Recovery of nh3 from a gaseous mixture containing nh3 and hcn
GEP19960461B
(en )
1996-05-13
Method of producing carbamide
DE2123773A1
(de )
1971-11-25
Verfahren zur Abtrennung und Gewinnung von sauren Gasen aus Gasgemischen
DE314234C
(enrdf_load_stackoverflow )
GB1492068A
(en )
1977-11-16
Method for removing sulphur dioxide from an exhaust gas
US3940442A
(en )
1976-02-24
Recycle process for the preparation and processing of a hydroxylammonium salt solution
US3953577A
(en )
1976-04-27
Process for purifying gases containing HCN
DE59901679D1
(de )
2002-07-11
Verfahren zum gewinnen von ammoniak aus einem nh 3? und sauergase enthaltenden abwasser
GB1505477A
(en )
1978-03-30
Process for the conversion of the ammonia and hydrogen sulphide contained in coke-oven gases into nitrogen and water and into sulphur respectively
GB1005977A
(en )
1965-09-29
Improvements in or relating to processes for treating gaseous effluents
US3948988A
(en )
1976-04-06
Cyclic process for preparing and working up a hydroxylammonium salt solution
US2935480A
(en )
1960-05-03
Preparation of nitrogen oxides
SU779365A1
(ru )
1980-11-15
Способ обработки фосфогипса
EP0292823B1
(de )
1991-08-21
Verfahren zur NO-Rückgewinnung aus dem bei der Ammoniumnitritherstellung anfallenden Abgas
US2584280A
(en )
1952-02-05
Method of preparing substantially iron-free ammonium sulfate from spent pickle liquor
ATE235423T1
(de )
2003-04-15
Verfahren zur destillation von ammoniak
Aulakh et al.
1985
Azide effects upon N2O emission and transformations of N in soils
DE2233590A1
(de )
1973-01-25
Verfahren zur herstellung von alkandicarbonsaeuren
SU700182A1
(ru )
1979-11-30
Способ очистки газов от окислов азота
GB1129939A
(en )
1968-10-09
Process for the separation and recovery of ammonia and carbon dioxide from an ammoniacal ammonium carbonate solution
DE309563C
(enrdf_load_stackoverflow )
NL8201581A
(nl )
1982-11-16
Werkwijze voor het strippen van ammoniak en kooldioxyde uit een waterige ammoniumcarbonaatoplossing.
DE172041C
(enrdf_load_stackoverflow )
SU787524A2
(ru )
1980-12-15
Способ регенерации отработанных сульфитных щелоков на магниевом основании производства целлюлозы
SU1273333A1
(ru )
1986-11-30
Способ получени серы