Start-up method for ammonia plants

Details Start-up method for ammonia plants Start-up method for ammonia plants

1986-05-16

1988-03-01

Sneed, Helen M. S.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Ammonia or ammonium hydroxide

423659, 423652, C01C 104

Patent

active

047285060

ABSTRACT:
Low energy start-up procedure for ammonia plants which employs ammonia as the start-up media, thereby avoiding the BTU loss associated with venting unconverted hydrocarbons and the threat to catalyst beds associated with rapid buildup of temperatures therein.

REFERENCES:
patent: 3810975 (1974-05-01), Brooke
patent: 4072625 (1978-02-01), Pinto
patent: 4129523 (1978-12-01), Snowden
patent: 4171343 (1979-10-01), Faust et al.
patent: 4238468 (1980-12-01), Bonnaci et al.
patent: 4296085 (1981-10-01), Banquy
patent: 4414195 (1983-11-01), Mandrin

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