CA1019540A
(en )
1977-10-25
Process for the removal of gaseous impurities from exhaust gases of contact process plants producing sulfuric acid
JPS51139597A
(en )
1976-12-01
Manufacturing process for sulfuric acid
JPS5241196A
(en )
1977-03-30
Manufacturing process for sulfuric acid from sulfur dioxide
EG12080A
(en )
1978-12-31
Process for acid gas removal
GB1553307A
(en )
1979-09-26
Process for producing sulphuric acid
GB1538113A
(en )
1979-01-10
Process for separating so2 from a current of gas with production of sulphuric acid by the nitric oxide process
JPS5217425A
(en )
1977-02-09
Process for manufacturing 11hydroxy* ethylidenee1* 11diphosphonic acid
JPS5235792A
(en )
1977-03-18
Manufacturing process for sulfuric acid
ZM2876A1
(en )
1977-04-21
Process for separating so2 from a current of gas, with production of sulphuric acid by the nitric oxide process
GB1554594A
(en )
1979-10-24
Process for enriching acid gases in hydrogen sulphide
JPS5250993A
(en )
1977-04-23
Refining process for solusion containing dilute sulfuric acid
PT65778B
(en )
1978-04-27
Process for acid gas renoval
CS192555B2
(en )
1979-08-31
Process for removing gaseous sulphur trioxide
JPS51125322A
(en )
1976-11-01
Process for manufacturing sulfonic acid fluoride
GB1558255A
(en )
1979-12-19
Process for concentrating aqueous sulphuric acid
GB1522584A
(en )
1978-08-23
Process for recovering epsilon-caprolactam from an epsilon-caprolactam/sulphuric acid reaction mixture
JPS5322190A
(en )
1978-03-01
Manufacturing process for concentrated sulfuric acid using dilute sulfurous acid gas
ZA757666B
(en )
1976-11-24
Process for the production of concentrated nitric acid
JPS52124494A
(en )
1977-10-19
Removal process for mercury from concentrated sulfuric acid
BR7603894A
(en )
1977-04-05
PROCESS FOR THE PRODUCTION OF GASES FOR THE REDUCTION OF OXIDIC ORES, ESPECIALLY OF IRON ORES
ZM6975A1
(en )
1976-02-23
Multiple contract-multiple absorption process for the production of sulphuric acid
ZA753308B
(en )
1976-04-28
Multiple contact-multiple absorption process for the production of sulfuric acid
AU486128B2
(en )
1975-10-30
Process for removal gaseous impurities from exhaust gases of contact process plants for producing sulfuric acid
ZM2374A1
(en )
1974-09-23
Recovery of copper values by sulphuric acid leaching
ZA74517B
(en )
1974-12-24
Recovery of copper values by sulphuric acid leaching