Treatment of furnace tubes

Details Treatment of furnace tubes Treatment of furnace tubes

1996-05-20

1997-05-20

Silverberg, Sam

Metal treatment

Process of modifying or maintaining internal physical...

Processes of coating utilizing a reactive composition which...

148286, C23C 810

Patent

active

056308876

ABSTRACT:
Stainless steel which is used in applications in the petrochemical industry may be treated by exposure to an atmosphere containing a low amount of oxygen at temperatures up to 1200.degree. C. for up to about 50 hours. The treated steel has a lower tendency to coke during use.

REFERENCES:
patent: 2269601 (1942-01-01), Perrin
patent: 4266987 (1981-05-01), Wang
patent: 4424083 (1984-01-01), Polizzotti et al.
patent: 5169515 (1992-12-01), Ngan et al.
patent: 5288345 (1994-02-01), Ohhashi et al.
Reduction of Coke Deposition in Ethylene Furnaces, Ta-Chi Luan, PhD. Thesis, Purdue Univ., Aug. 1993.

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