1 | © Bühler | Benefit of a pre-cleaning process at intake Grain Logistics Josef Reiser 08/07/2014 Grain Logistics | 2014

2 | © Bühler | Grain / Cleaning and Storage. Benefit of a pre-cleaning process at intake. Grain Logistics | 2014 Improve storability and preserve the quality of grain Optimized use of storage space

3 | © Bühler | Grain / Cleaning and Storage. Benefit of a pre-cleaning process at intake. Grain Logistics | 2014 Prevent blockage of silo outlets by foreign material Reduce wear and damage to machines and piping Increased process safety

4 | © Bühler | Grain / Cleaning and Storage. Benefit of a pre-cleaning process at intake. Grain Logistics | 2014 Prevention of diseases e.g. formation of toxins and contamination

5 | © Bühler | Grain / Cleaning and Storage. Benefit of a pre-cleaning process at intake. Grain Logistics | 2014 Reduce risk of dust explosions

6 | © Bühler | Grain / Cleaning and Storage. Benefit of a pre-cleaning process at intake. Grain Logistics | 2014 Product: Wheat; 0.75 t/m³ (47 ft³); 15 % H 2 0; 3 % impurity content Handling: 100,000 t/a (3.7 m bu) Cleaning quality: from 3 % to 2 % = 1% impurities = 1,000 t/a (37,000 bu) Benefit calculation Aeration1,000 t á 0.80 € / t = 800 Euro Storage/ 9 month1,000 t á 1.50 € / t x 9 = 13,500 Euro Loading1,000 t á 0.30 € / t = 300 Euro Other costs1,000 t á 1.90 € / t = 1,900 Euro Savings per year: 16,500 Euro

7 | © Bühler | Grain / Cleaning and Storage. Benefit of a pre-cleaning process at intake. Grain Logistics | 2014 Local intake pit aspiration: Dust returns to the product flow. Traders, terminals; e.g. cooperatives, agricultural trade Central aspiration: Dust does not return to the product flow. Processers; e.g. flour mills, food processers

8 | © Bühler | Grain / Cleaning and Storage. LAAB: Pre-cleaning and aspiration - Bühler TAS. Grain Logistics | 2014 Capacity: up to 250 t/h (9200 bu) Sieving area: up to 48 m² (517 sqf) Durability & high operational reliability Rhino-hyde lining to provide optimum wear and noise protection Coarse impurities Low-density material Fine impurities Yield Raw material

9 | © Bühler | Grain / Cleaning and Storage. LAAB: Pre-cleaning and aspiration - Bühler TAS. Grain Logistics | Product inlet 2 Distribution flap 3 Inlet aspiration 4 Expansion chambers with discharge screws 5 Product distribution onto sieves 6 Outlet aspiration 7 Exhaust air 8 Screen box drive A 1. grade B 2. grade C Coarse particles CBA

10 | © Bühler | Grain / Cleaning and Storage. LAGA: Pre-cleaning and aspiration - Bühler GrainPlus. Grain Logistics | 2014 Capacity: up to 50 t/h (1800 bu) Sieving area: up to 6 m² (65 sqf) Durability & high operational reliability Due to optional inlet and outlet aspiration best choice for very dust laden products Cost-effective and high- performance cleaning principle Coarse inpurities Low-density material Brokens/ Fine impurities Yield Raw material

11 | © Bühler | Grain / Cleaning and Storage. LAGA: Functional diagram GrainPlus. Grain Logistics | Product inlet 2 Inlet aspiration 3 Outlet aspiration 4 Exhaust air vent 5 Screen box drive 6 Optional magnet A 1. grade B 2. grade C Coarse particles BAC

12 | © Bühler | One step ahead. Grain Logistics | 2014