Evaluation of the compost quality of vermicomposting process applied to different types of sludge using Eisenia fetida

4th International Conference on Recycling and Reuse (R and R) / Workshop on ERA-NET -- OCT 24-26, 2018 -- Istanbul, TURKEYThis study was carried out in 3,000 g composting containers under open test conditions, sewage and industrial sludge incubated by soil worms (Eisenia fetida) and vermicompost produced. For this purpose; domestic and industrial sludge were incubated with manure at 5%, 10%, 15%, 20% and control. The change in quality parameters monitored such as pH, electrical conductivity, humidity, total nitrogen, total organic carbon and C/N by taking samples from the vermicompost obtained on day 1st, day 30th, day 60th and day 90th during the times of incubation. Optimal incubation time was found to be 60 d for both sludge types and 15% (SS3) sewage sludge dose was found as optimal dose according to C/N ratio. The difference between sludge doses was statistically insignificant in the industrial sludge.Istanbul Univ, Environm Engn Dept, Ecosafefarming ProjectEnvironmental Laboratory of Yesil BeyazThis study was produced from the Master Thesis in Institute of Science and Technology of Namik Kemal University. The authors gratefully acknowledge the support given by The Environmental Laboratory of Yesil Beyaz. The authors would like to thank Assoc. Prof. Dr. Korkmaz Belliturk for supporting the planning of the trial setup