 |
|
|
| Sludge
Type |
Feed
Solids |
Dry
Solids Loading
(lb/hr, m) |
Polymer
($/ton) |
Cake
Solids
(wt%) |
| Raw
Primary (P) |
3
to 7 |
1000
to 1500 |
2
to 5 |
28
to 44 |
| 100%
Waste Activated (WAS) |
1
to 3 |
500
to 800 |
10
to 25 |
14
to 20 |
| 50%P
+50% WAS |
3
to 6 |
700
to 900 |
8
to 20 |
22
to 30 |
| Trickling
Filter |
3
to 6 |
500
to 800 |
10
to 25 |
18
to 25 |
| Anaerobically
Digested WAS |
3
to 7 |
800
to 1300 |
10
to 25 |
25
to 35 |
| Anaerobically
Digested P + WAS |
3
to 6 |
800
to 1200 |
12
to 30 |
20
to 28 |
| Aerobically
Digested WAS |
1
to 3 |
400
to 500 |
8
to 30 |
12
to 20 |
| Aerobically
Digested P + WAS |
3
to 5 |
400
to 700 |
6
to 25 |
14
to 25 |
| Oxygen
Activated WAS |
1
to 3 |
300
to 700 |
6
to 25 |
15
to 23 |
| Thermal-Conditioned
P + WAS |
4
to 8 |
600
to 1100 |
16
to 30 |
25
to 35 |
|
|
|
| Sludge
Type |
Feed
Solids |
Dry
Solids Loading
(lb/hr, m) |
Polymer
($/ton) |
Cake
Solids
(wt%) |
| De-inking
Mill Waste, Primary |
3
to 6 |
900
to 1200 |
2
to 5 |
28
to 44 |
| De-inking
Mill, WAS |
1.5
to 3 |
500
to 900 |
5
to 10 |
15
to 22 |
| Kraft
Long Fiber, Primary |
3
to 7 |
1600
to 2200 |
3
to 5 |
35
to 40 |
| Kraft,
Long Filber, WAS |
1
to 4 |
600
to 1000 |
5
to 10 |
16
to 23 |
| Kraft,
Eucalyptus, Primary |
2
to 4 |
1300
to 1800 |
5
to 12 |
28
to 35 |
| Kraft
Eucalyptus, WAS |
1
to 3 |
400
to 700 |
7
to 15 |
14
to 20 |
|
|
|
| Sludge
Type |
Feed
Solids |
Dry
Solids Loading
(lb/hr, m) |
Polymer
($/ton) |
Cake
Solids
(wt%) |
| Steel
Mill / Foundry Waste |
35
to 40 |
1200
to 1800 |
5
to 15 |
25
to 30 |
| Water
Treatment (softening) |
8
to 25 |
1500
to 2300 |
8
to 12 |
25
to 38 |
| Food
Processing (WAS) |
1
to 3 |
550
to 800 |
10
to 20 |
18
to 22 |
| Fruit
Pulp / Juice Extraction |
3
to 7 |
1200
to 1500 |
N/A |
85%
juice recovery |
| Petroleum
Refinery WAS |
2
to 3 |
700
to 900 |
5
to 15 |
15
to 23 |
|
|
|
| Sludge
Type |
Feed
Solids |
Dry
Solids Loading
(lb/hr, m) |
Polymer
($/ton) |
Cake
Solids
(wt%) |
| Coal
Refuse |
25
to 35 |
3
to 7 |
1
to 2 |
65
to 73 |
| Froth
Fine Coal |
5
to 8 |
4
to 8 |
1
to 2 |
55
to 60 |
| Precious
Metal Tailings |
40
to 55 |
7
to 12 |
1
to 2 |
65
to 75 |
| Aggregate
Slimes |
40
to 50 |
9
to 16 |
1
to 3 |
55
to 70 |
| Base
Metal Tailings |
45
to 50 |
7
to 10 |
1
to 2 |
65
to 73 |
|
|
© BDP
Industries 2006 All images and content are the property of BDP
Industries and
may not be used without permission. |
|