FLOTATION; DIFFERENTIAL SEDIMENTATION (sedimentation in general B 01 D 21/00; in combination with other separation of solids B 03 B; sink-float separation
B 03 B 5/28; detergents, soaps C 11 D)
1
/
00
Flotation (conditioning for flotation, general arrangement of plant B 03 B)
Notes
(1)
In groups B 03 D 1/001 to B 03 D 1/018, in the absence of an indication to the contrary, classification is made in the last appropriate place. [5]
Subsequent treatment of concentrated product (froth dispersion
B 01 D 19/02)
1
/
10
•
•
Removing adhering liquid from separated materials (processes or devices capable of general use B 01 D)
1
/
12
•
Agent recovery
1
/
14
•
Flotation machines (devices for feeding measured quantities of reagents B 01 J 4/02; flotation apparatus for enzymology or microbiology C 12 M 1/09)
1
/
16
•
•
with impellers; Subaeration machines
1
/
18
•
•
•
without air supply
1
/
20
•
•
•
with internal air pumps
1
/
22
•
•
•
with external blowers
1
/
24
•
•
pneumatic
1
/
26
•
•
•
Air lift machines
3
/
00
Differential sedimentation
3
/
02
•
Coagulation
3
/
04
•
•
assisted by vibrations
3
/
06
•
Flocculation
Indexing scheme associated with groups B 03 D 1/001 to B 03 D 1/018, relating to the effects produced and the materials treated. The indexing codes should be unlinked. [5]
Note
Attention is drawn to Chapter IV of the Guide which sets forth the rules concerning the application and presentation of the different types of indexing code. [6]
101
:
00
Specified effects produced by the flotation agents [5]
101
:
02
•
Collectors [5]
101
:
04
•
Frothers [5]
101
:
06
•
Depressants [5]
103
:
00
Specified materials treated by the flotation agents [5]
