Starting from 01 December 2019, abstracts under different themes will be invited for the oral and poster presentations at ISCRE 26 & APCRE 9. The template for the two-page long abstract can downloaded here. The last date for the submission of abstracts is 29 February 2020. Decision about acceptance will be communicated by 30 April 2020. Contributions accepted for either oral or poster presentation will be invited to submit manuscript for possible publication (following standard manuscript submission and peer review process) in the ISCRE 26 & APCRE 9 Special issues. The abstract acceptance decision will be accompanied by an invitation to submit the manuscript [either to the AIChE Journal or to the Reaction Chemistry & Engineering Journal].