“…The proposed packing material mediated conidia production enhancement by reducing the axial temperature gradient, increasing the CO 2 production, and improving the gas exchange in the packed bed. Guerrero and coworkers 17 studied the impact of butyrate and neutral red on the production of butanol by electro‐fermentation, highlighting the relevance of butanol as a versatile chemical that can be used as fuel, solvent or intermediate in chemical synthesis.…”