1. SERGIO ENRIQUE ARANGO OSORNO, Chemical Eng . Candidate to Master Science of Eng. (Environmental). [email_address] JORGE MONTOYA Biologist MSc GUSTAVO PEÑUELA Chemical. PhD Research Teams: INTEGRA & GDCON Tecnological of Antioquia - University of Antioquia Medellín - Colombia 2010 METHANE PRODUCTION ASSESSMENT BY ANAEROBIC CODIGESTION FROM STEM BANANA AND CATTLE WASTE IN ANTIOQUIA, COLOMBIA 15 th International Scientific Congress. CNIC 2010. CUBA 1th July.

2. ANAEROBIC PROCESS

3. RAW MATERIAL TYPE SPECIES WEIGHT Kg manure/day L/kg.VS. %CH 4 Pigs 50 4,5 - 6 340 - 550 65 - 70 Cattle 400 25 -40 90 - 310 65 Horses 450 12 - 16 200 - 300 65 Sheep 45 2,5 90 - 310 63 Poultry 1, 5 0,06 310 - 620 60 Vegetables Wholesale Central 13000 6 - 12 60 Codigestion Wholesale C. & L ivestock C. 23000 212 - 268 60

5. STUDY AREA San Pedro de los Milagros Urabá “Banana” Region

9. EXPERIMENTAL DESIGN VARIABLE TEMP . VARIABLE: SUBSTRATE RATIO X = vegetable m/ (vegetable m + animal m) (%) X1 = 0 X 2 =1/3 X3=2/3 X4 =100 (33.3) (66.6) T1 (25ºC) T1, X1 T1, X2 T1, X3 T1, X4 T2 (35ºC) T2, X1 T2, X2 T2, X3 T2, X4 T3 (45ºC) T3, X1 T3, X2 T3, X3 T3, X4 Total Treatms. 12 Total assays 36

10. RESULTS

11. METHODS TIME DURATION PROCEDURE LABORATORY ANALYSIS To take samples Livestock C. O.M Animal Wholesale Central O.M vegetable STEM BANANA Mix and get Xi: X1, X2, X3, X4 Analyze each sample X1, X2, X3 y X4 Do 3 repetition of each one to get Xij (12) Inicial Analysis (SST y SSV), COD, humIdity, pH, conduct. Upload biorxtors (12) up to one third Put stopper and valve, injection N2 Heat bath Mary a T cte Analysis of CH4 x chromatography Analysis fin. (SST y SSV), DQO, humidity, pH, conduct. Time = 40 days Analysis microbiological O.M. 40 day Time= 4 days

12. SAMPLE COLLECTIONS

13. UPLOAD ANAEROBIC BIOREACTORS

14. CH 4 PRODUCTION KINETICS (25°C)

15. CH 4 PRODUCTION KINETICS (35°C)

16. CH 4 PRODUCTION KINETICS (45°C)

21. THANKS CONTACT [email_address]