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References - Aeration diffuser systems
T & A Mämmelä Oy Ltd. also designs and delivers complete aeration diffuser systems.
Below are the details of some of the aeration systems delivered to industry:
» METSÄ TISSUE OYJ PLC., MÄNTTÄ MILL, AERATION RENOVATION
»
UPM-KYMMENE, JÄMSÄNKOSKI MILL, AERATION EXTENSION
» UPM-KYMMENE, KAIPOLA MILL, AERATION RENOVATION, BASIN 3
» UPM-KYMMENE, JÄMSÄNKOSKI MILL, AERATION RENOVATION PHASE II
» GEORGIA-PACIFIC FINLAND OY LTD., NOKIA SOFT TISSUE MILL AERATION STREAMLINING PHASE I
» UPM-KYMMENE, JÄMSÄNKOSKI MILL, AERATION RENOVATION, PHASE I
» OY KATIONI AB LTD., BIOLAK SEWAGE TREAMENT PLANT EXTENSION, PHASE III
METSÄ TISSUE OYJ PLC., MÄNTTÄ MILL, AERATION RENOVATION
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| General details of site: |
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| Client: |
Metsä Tissue Oyj Plc. |
| Sewage characteristics: |
Paper mill process wastewater |
| Diffuser system supplier: |
T&A Mämmelä Oy Ltd |
| Delivery time: |
April-May 2009 |
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| Diffusion system basic details: |
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| Diffusion: |
Liftable bottom diffusion system |
| Basin area and water depth: |
27m x 34m x 4.7m |
| Water volume: |
4 250 m3 |
| Oxidation capacity SOTR: |
460 kg O2/h |
| Rated air flow: |
5 900 m3/h * 600 mbar |
| Maximum air flow: |
7 200 m3/h * 600 mbar |
| Number of liftable diffuser groups: |
24 |
| Diffuser group overall dimensions: |
6,16 m*2,14m |
| Number of IFU RS 2000-63 SF diffusers / group: |
13 (diffuser membranes á 2,0 m) |
| Number of IFU RS 2000-63 SF diffusers in total: |
312 |
| Air / diffuser (rated): |
18,9 m3/h |
| Air / diffuser (max): |
23,1 m3/h
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UPM-KYMMENE, JÄMSÄNKOSKI MILL, AERATION EXTENSION
MILL PROCESS CHANGED AND LOAD INCREASED FROM 75t COD / d TO 95t
COD / d
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| General details of site: |
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| Client: |
UPM-Kymmene, Jämsänkoski mill |
| Sewage characteristics: |
The paper mill's manufacturing process wastewater |
| Diffuser system supplier: |
T&A Mämmelä Oy Ltd |
| Delivery time: |
September 2007 |
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| Diffusion system basic details: |
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| Diffusion system: |
Liftable bottom diffusion system |
| Basin area and water depth: |
75 m* 70 m* 8,3 m |
| Water volume: |
40 000 m3 |
| System oxidation capacity SOTR: |
1 262 – 1 822 kg O2/h |
| Rated air flow: |
7 200 m3/h * 970 mbar |
| Maximum air flow: |
10 800 m3/h * 970 mbar |
| Number of lifting diffuser groups: |
20 |
| Diffuser group overall dimensions: |
12,1 m * 2,3m |
| Number of IFU RS 2000-63 SF diffusers / group: |
25 (diffuser membranes á 1.8 m) |
| Number of IFU RS 2000-63 SF diffusers in total: |
500 |
| Air / diffuser (rated): |
14,4 m3/h |
| Air / diffuser (max): |
21,6 m3/h
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UPM-KYMMENE, KAIPOLA MILL, AERATION RENOVATION, BASIN 3
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| General details of site: |
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| Client: |
UPM-Kymmene, Kaipola mill |
| Sewage characteristics: |
The paper mill's manufacturing process wastewater |
| Diffuser system supplier: |
T&A Mämmelä Oy Ltd |
| Delivery time: |
October 2005 |
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| Diffusion system basic details: |
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| Diffusion system: |
Liftable bottom diffusion system |
| Basin area and water depth: |
93 m* 19 m* 6,5 m |
| Water volume: |
11 500 m3 |
| System oxidation capacity SOTR: |
1 500 – 2 000 kg O2/h |
| Rated air flow: |
13 000 m3/h * 790 mbar |
| Maximum air flow: |
17 000 m3/h * 790 mbar |
| Number of lifting diffuser groups: |
18+13 |
| Diffuser group overall dimensions: |
8,1 m*2,3m(18 pcs) and 12,1m*
2,3m (13) |
| Number of IFU RS 2000-63 SF diffusers / group: |
26/group (18 groups) ja
25 (13) |
| Number of IFU RS 2000-63 SF diffusers in total: |
793 |
| Air / diffuser (rated): |
16,2 m3/h (1.8 m of membrane / diffuser) |
| Air / diffuser (max): |
21,6 m3/h (1.8 m of membrane / diffuser) |
UPM-KYMMENE, JÄMSÄNKOSKI MILL, AERATION RENOVATION PHASE II
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| General details of site: |
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| Client: |
UPM-Kymmene, Jämsänkoski mill |
| Sewage characteristics: |
The paper mill's manufacturing process wastewater |
| Diffuser system supplier: |
T&A Mämmelä Oy Ltd |
| Delivery time: |
May 2005 |
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|
| Diffusion system basic details: |
|
| Diffusion system: |
Liftable bottom diffusion system |
| Basin area and water depth: |
75 m* 35 m* 8,3 m |
| Water volume: |
20 000 m3 |
| System oxidation capacity SOTR: |
1 800 – 2 700 kg O2/h |
| Rated air flow: |
13 000 m3/h * 970 mbar |
| Maximum air flow: |
19 500 m3/h * 970 mbar |
| Number of lifting diffuser groups: |
12+24 |
| Diffuser group overall dimensions: |
7,6 m*2,3m (12 pcs) and 12.1 m x 2.3 m (24) |
| Number of IFU RS 2000-63 SF diffusers / group: |
25 (diffuser membranes á 1.8 m) |
| Number of IFU RS 2000-63 SF diffusers in total: |
900 |
| Air / diffuser (rated): |
14,4 m3/h |
| Air / diffuser (max): |
21,6 m3/h |
GEORGIA-PACIFIC FINLAND OY LTD, NOKIA SOFT-TISSUE MILL STREAMLINING OF AERATION, STAGE I
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| General details of site: |
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| Client: |
Georgia-Pacific Finland Oy,
Nokia mill |
| Sewage characteristics: |
The paper mill's manufacturing process wastewater |
| Diffuser system supplier: |
T&A Mämmelä Oy Ltd |
| Delivery time: |
September 2004 |
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| Diffusion system basic details: |
|
| Diffusion system: |
Liftable bottom diffusion system |
| Basin area and water depth: |
70 m* 7,0 m* 4,0 m |
| Water volume: |
2 000 m3 |
| System oxidation capacity SOTR: |
250 kg O2/h |
| Rated air flow: |
3 750 m3/h * 550 mbar |
| Maximum air flow: |
5 000 m3/h * 550 mbar |
| Number of lifting diffuser groups: |
16 |
| Diffuser group overall dimensions: |
6,16 m* 2,14 m |
| Number of IFU RS 2000-63 SF diffusers / group: |
13 (diffuser membrane á 2.0 m) |
| Number of IFU RS 2000-63 SF diffusers in total: |
208 |
| Air / diffuser (rated): |
18,0 m3/h |
Air / diffuser (max):
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24,0 m3/h |
UPM-KYMMENE, JÄMSÄNKOSKI MILL, AERATION RENOVATION, PHASE I
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| General details of site: |
|
| Client: |
UPM-Kymmene, Jämsänkoski mill |
| Sewage characteristics: |
The paper mill's manufacturing process wastewater |
| Diffuser system supplier: |
T&A Mämmelä Oy Ltd |
| Delivery time: |
May 2004 |
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| Diffusion system basic details: |
|
| Diffusion system: |
Liftable bottom diffusion system |
| Basin area and water depth: |
75 m* 35 m* 8,3 m |
| Water volume: |
20 000 m3 |
| System oxidation capacity SOTR: |
1 800 – 2 700 kg O2/h |
| Rated air flow: |
13 000 m3/h * 970 mbar |
| Maximum air flow:
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19 500 m3/h * 970 mbar |
| Number of lifting diffuser groups: |
12+24 |
| Diffuser group overall dimensions:
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7,6 m*2,3m (12 pcs) and 12.1 m x 2.3 m (24) |
| Number of IFU RS 2000-63 SF diffusers / group: |
25 (diffuser membranes á 1.8 m) |
| Number of IFU RS 2000-63 SF diffusers in total: |
900 |
| Air / diffuser (rated): |
14,4 m3/h |
| Air / diffuser (max): |
21,6 m3/h |
OY KATIONI AB LTD. BIOLAK SEWAGE TREATMENT PLANT, EXTENSION PHASE III
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| General details of site: |
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| Client: |
Oy Kationi Ab Ltd., Lapua |
| Sewage characteristics: |
Starch production process wastewater |
| Diffuser system supplier: |
T&A Mämmelä Oy Ltd |
| Delivery time: |
The summer of 2000 |
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| Diffusion system basic details: |
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| Diffusion system: |
Liftable bottom diffusion system |
| Basin area and water depth: |
63 m* 45 m* 4,2 m |
| Water volume (slopes taken into consideration): |
15 000 m3 |
| System oxidation capacity SOTR: |
1200 kg O2/h |
| Rated air flow: |
13 000 m3/h * 970 mbar |
| Maximum air volume (3 compressors á 160 kW): |
18 000m3/h * 580 mbar |
| Number of lifting diffuser group: |
28 |
| Diffuser group overall dimensions: |
20,8 m*3,5 m (steel structure 20.3 x 3.0) |
| IFU O2-Gigant diffusers/group: |
54 |
| IFU O2-Gigant diffusers in total: |
1512 (In addition, 504 spare slots.) |
| Air / diffuser: |
12 m3/h |
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