1. SUPPLY CHAIN OPTIMIZATION IN THE MULTIPURPOSE BATCHT CHEMICAL INDUSTRY concept and software Kiril Mintchev PhD e-mail: kiril.mintchev@gmail.com

2. Relationship between the elements which Supply chain consist of The final target is to reach the optimal levels of different parameters so that the system be with maximum profit as a whole. Plants Existing storages New storagesCustomers

3. Supply Chain management Suppliers Plants Customers

4. 1 2 3 4 5 6 V=5m 3 V=8m 3 V=12m 3 V=15m 3 V=5m 3 Multipurpose chemical plants 1.Invariant dispose of given technology 2. Multiproduct manufacturing 3. Available to produce different plant-scheduling for given horizon of planning 4. Given production is possible to be produced on different technologies

5. I. Max Satisfaction of market demand II. Optimal profit of the system as a whole

6. Mathematical formulation of the problem 1.Data

8. 2.Key variables

9. 3.Constraints 4.Objective function

29. Conclusions: More technology can be planed with supply chain Planned investments Flexibility about market demand High level of profits