Objective
This demonstration project will be taking place at the Coberco-plant in Zwolle, where several special milkpowders and semi-manufactured dairy-products are produced. The production of milkpowder can be characterised as very energy-demanding.
The aim is to demonstrate that by the implementation of new techniques in the production of special milk powders the addition of a very large amount of diluted water can be omitted. Moreover, a considerable improvement of the production efficiency will be the result. This leads to a substantial energy reduction.
Along with an enormous energy reduction, Coberco will demonstrate by means of this project, a reduction of the product losses, the saving of powder related to the cleaning of the installation and a decrease of the amount of waste water can be realised. This can be translated in a positive contribution of this demonstration project to the environment.
The results of the production rems can be considered as good. For special milk powders with lower fat contents, the results even exceed expectations. Longue production rems are possible without quality deterioration of the product.
The energy savings are 1310 MWH/Y on the electrical consumption and 1183200 Nm? of natural gas/Y. This corrsponds to an annual savings of 441000 HFL on the total energy bull. The payback time amounts to 2.5 years considering as investment of 2.1 Million HFL and a saving of 450000 HFL/Y on the maintenance costs
The present production process at the Coberco plant is directed to make from a milk-concentrate a desired final product of powder. This process can be described as follows.
In the first step several powders - diluted in water - are added to the milk. In the second step, vegetable fat is heated and homogenised with some milk. This mixture, called "kunst-room" is coded and added to the solution from the first step. After standardisation, the resolution is pasteurised and concentrated. The solution is dried further by hot air to a powdery product.
The disadvantages of this production routing are:
- the preparation of "kunst-room"
- the addition of diluted water (35 million kg/year) in the beginning
of the concentration step.
- the use of enormous amounts of energy
- frequently cleaning
- substantial product losses
The aim of this project is to show that by the implementation of new techniques the use of energy will be reduced for the production of specialised milk-powders. The newinnovative techniques are fat-injection in the evaporator and a combination of pre-heater and finisher between the evaporator and the spray dryer. This new process will be characterised by the fact that the first homogenisation step the production of "kunst-room" and addition of diluted water can be committed. Since the addition of water is no longer required, a lot of energy will be saved. Furthermore the implementation of a pre-heater combined with a finisher, between the evaporator and the spray dryer results in such a major efficiency improvement, that one of the spray dryers can be shut off.
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Programme(s)
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Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
7240 Lochem
Netherlands
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.