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SU1456009A3
(ru)
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Способ получени мочевины
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US3356723A
(en)
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Preparation of urea
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US4308385A
(en)
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Process for purifying urea-containing waste water and process for preparing melamine
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EP3233792B1
(en)
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Process for urea production
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US3191916A
(en)
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Apparatus for separating pure ammonia gas from a mixed off-gas stream
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CA2779841C
(en)
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A urea stripping process for the production of urea
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NO163098B
(no)
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Fremgangsmaate ved fremstilling av urea.
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ES2171493T5
(es)
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Procedimiento para la sintesis de urea que comprende dos zonas de reaccion independientes.
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US2908554A
(en)
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Process for recovering heavy hydrogen and heavy water
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PL71817B1
(enExample)
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US4801747A
(en)
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Process for preparing urea
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JPS5867661A
(ja)
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尿素合成法
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JP2024506980A
(ja)
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尿素製造プロセス及び並列ｍｐユニットを備えたプラント
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CA2473224C
(en)
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Process for the preparation of urea
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JP7157684B2
(ja)
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尿素製造方法および装置
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US2808125A
(en)
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Process for the separation of carbon dioxide and ammonia
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US3193353A
(en)
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Method of removing carbon dioxide from ammonia
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US3301897A
(en)
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Process for urea synthesis
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US4495161A
(en)
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Energy recovery method and system for combined sulphuric acid and phosphoric acid manufacturing plant
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US3155723A
(en)
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Synthesis of urea and recovery of residual reactants
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US3232982A
(en)
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Urea synthesis
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JPS6129943B2
(enExample)
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US1957849A
(en)
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Process and apparatus for the production of ammonia
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GB2190912A
(en)
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Process for operating a potassium carbonate/bicarbonate loop during stand-by with heat recovery
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AU2002221194B2
(en)
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Process for the preparation of urea
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