IGSTC Indo-German Project

Combined Solar-Updraft and Single-Chamber Pyrolysis System for Biochar Production


An energy self-sufficient treatment solution for fibrous urban organic wastes, sewage sludge & AD digestate with a negative carbon footprint.

Read More


A team of Indian and German and academic partners led by the Institut für Siedlungswasserwirtschaft und Abfalltechnik

Read More


Details about the project duration, work packages and distribution, milestones and deliverables over time.

Read More

Project Updates

Conference and Publications

  1. Weichgrebe, D., Mondal, M.M., Nair, R.R. (2020) “Biochar production though combined solar drying & single chamber pyrolysis” in “Bio-Char II: Production, Characterization and Applications”, ECI Symposium Series, (2019). https://dc.engconfintl.org/biochar_ii/61
  2. Nair, R.R., Mondal, M.M., Weichgrebe, D. (2019) Investigation of biochar from co-pyrolysis of sewage sludge, anaerobic digestate and banana peduncles, 28th European Biomass Conference & Exhibition EUBCE 2020, July 6-9, 2020, Marseille, France. (accepted for oral presentation)
  3. Nair, R.R, Mondal M.M, Weichgrebe D. (2020) Biochar from co-pyrolysis of urban organic wastes—investigation of carbon sink potential using ATR-FTIR and TGA, Biomass Conversion & Biorefinery (doi: 10.1007/s13399-020-01000-9)

Project Gallery