Catalyst regeneration

Details Catalyst regeneration Catalyst regeneration

1978-08-21

1980-07-08

Scherbel, David A.

Dispensing

Gas or vapor dispensing

222 58, 222 76, 252415, 364567, B67D 0534, B01J 3724

Patent

active

042113407

ABSTRACT:
A system for controlling the addition of small amounts of material to process using the loss-in-weight method. The system uses digital control in combination with an on-off solenoid valve whose on time can be varied to meter the material uniformly at low rates.

REFERENCES:
patent: 3195776 (1965-07-01), Helm et al.
patent: 3481509 (1969-12-01), Marhaver
patent: 3800794 (1974-04-01), Georgi
patent: 3822723 (1974-07-01), Crowell et al.
patent: 3855458 (1974-12-01), Motter et al.
patent: 4073628 (1978-02-01), Gernhardt et al.
patent: 4094817 (1978-06-01), Olson et al.

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