The BMA beet extraction plant has two main components accomplishing different technological tasks
Countercurrent cossette mixer
For thermal denaturation of the cells, heat exchange between incoming cossettes and outgoing juice, and defoaming.
Extraction tower
For solid/liquid extraction of sucrose from the beet cells by the countercurrent principle.
Both components – countercurrent cossette mixer and extraction tower – are interconnected by a piping system and pumps and thus operate as one single unit.
Features and advantages of BMA sugar beet extraction plants
- Experience from more than 360 extraction plants in almost all sugar beet processing countries in the world
- Small space requirements
- System allowing long distances between countercurrent cossette mixer and extraction tower
- Outdoor installation of extraction tower even under extreme weather conditions
- Very high operational reliability
- Very high flexibility to adapt to operating conditions and cossette quality (with processing rates between 65 and 120% of rated capacity)
- Option of combining a countercurrent cossette mixer with two or more extraction towers, or one tower with a number of countercurrent cossette mixers
- Production of "cold" raw juice, thus substantially reducing heat requirements
- Extremely low extraction losses at low juice draughts
- Processing of Königsfeld, Goller or sliced cossettes
- Optimum defoaming in countercurrent cossette mixer
- Amply dimensioned screen areas for smooth juice discharging
- Largely sterile operating conditions thanks to short critical temperature zone in the mixer's heat exchanger compartment and a defoamer cycle including part-stream sterilization
- Gentle cossette treatment
- No local cossette overscalding
- Exhausted pulp with 10 - 11 % dry substance content
- Complete press water recirculation
- Minimum maintenance and servicing requirements
Available sizes
| Beet slice rate nominal [t/d] |
Extraction tower diameter [m] |
CC cassette mixer diameter/length [m] |
|---|---|---|
| 4,000 | 6.5 | 4.2 / 7.0 |
| 5,000 | 7.0 | 4.7 / 8.0 |
| 6,000 | 7.6 | 5.2 / 8.0 |
| 7,000 | 8.2 | 5.6 / 8.0 |
| 8,000 | 8.9 | 6.0 / 8.0 |
| 9,000 | 8.9 | 6.0 / 8.0 |
| 10,000 | 9.6 | 6.7 / 8.5 |
| Beet slice rate nominal [t/d] |
Extraction tower diameter [m] |
CC cassette mixer diameter/length [m] |
|---|---|---|
| 11,000 | 10.6 | 6.7 / 8.5 |
| 12,000 | 10.6 | 7.5 / 9.5 |
| 13,000 | 12.0 | 7.5 / 9.5 |
| 14,000 | 12.0 | 8.2 / 10.0 |
| 15,000 | 13.6 | 8.2 / 10.0 |
| 16,000 | 13.6 | 9.0 / 11.0 |
| 17,000 | 13.6 | 9.0 / 11.0 |

