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GB1041822A
(en)
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Process of treating waste gas containing sulphur oxide
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ATE12925T1
(de)
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Verfahren zur herstellung von schwefelsaeure.
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ES462716A1
(es)
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Procedimiento para las concentraciones de acido sulfurico residual.
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ES303011A1
(es)
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Procedimiento y aparato para la obtenciën de acido sulfurico
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ES426396A1
(es)
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Un metodo de purificar acido sulfurico que contiene mercu- rio.
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GB1119280A
(en)
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Process for the production of sulfuric acid
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GB1038164A
(en)
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Process of producing sulphuric acid
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US4971776A
(en)
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Process for the recovery of NO from the waste gas resulting from the production of ammonium nitrite
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US2135879A
(en)
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Process for oxidizing hydrosulphides
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GB811058A
(en)
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Method of producing concentrated sulphuric acid and oleum from gases containing hydrogen sulphide
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GB1251925A
(pt)
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GB1175055A
(en)
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Production of sulphuric acid
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SU604572A1
(ru)
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Способ очистки газов от сернистого ангидрида
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GB786740A
(en)
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Production of potassium nitrate
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US2123072A
(en)
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Process for the treatment of gases
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DE69108671D1
(de)
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Verfahren zur Behandlung von Schwefeldioxid enthaltenden Gasen.
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GB779537A
(en)
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Method of producing sulphuric acid by the contact process
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SU1682302A1
(ru)
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Способ получени серной кислоты нитрозным методом
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GB191407419A
(en)
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Process for the Absorption of Dilute Nitrogenous Gases by Water.
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GB1115971A
(en)
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Process for the production of chlorine
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SU362630A1
(ru)
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Способ санитарной очистки выхлопных газов от двуокиси серы
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SU679229A1
(ru)
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Способ очистки газа от двуокиси серы
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SU220242A1
(ru)
|
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Способ получени серной кислоты
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PL98843B1
(pl)
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Sposob wytwarzania siarki elementarnej nierozpuszczalnej w dwusiarczku wegla
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GB258974A
(en)
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A catalytic process for producing concentrated and fuming sulphuric acid
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