US5114694A
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Ammonia recovery from purge gas
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US4684759A
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Process for recovering energy from an ethane-rich recycle stream
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US4629484A
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Process for separating hydrogen and methane from an ethylene rich stream
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US4624842A
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Temperature controlled ammonia synthesis process
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US4578214A
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Process for ammonia syngas manufacture
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US4554135A
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Ammonia converter
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US4510123A
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Temperature controlled ammonia synthesis process
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US4242875A
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Hydrogen cryogenic purification system
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NL7702425A
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Heat exchanger has outlet adjacent inlet - so that cooled fluids cool the inlet end to reduce thermal stresses
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GB1577896A
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Heat exchanger
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NL7506064A
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Process for purifying crude synthesis gas by drying, cooling and dectifying differentially.
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US4010797A
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Heat exchanger
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US3572046A
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Apparatus for purification of raw ammonia synthesis gas
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US3549335A
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Autothermal reactor
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GB1236098A
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Improvements in and relating to the production of fertilizers
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GB1156003A
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Ammonia Synthesis Gas Purification Process and Apparatus.
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US3393127A
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Thermosiphon deep pool reactor
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US3442613A
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Hydrocarbon reforming for production of a synthesis gas from which ammonia can be prepared
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US3372916A
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Apparatus for stress-relieving pipe welds
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US3267907A
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Steam generator
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