S1. Schematic of the reactor setup
Figure S1. Schematic of the reactor setup.
S2. Steel tube reactors after CaCO3 coating treatment
Figure S2. Tube reactors after CaCO3 coating treatment. The upper reactor is made of mild steel and the bottom one is made of stainless steel.
S3. Tube reactor pre-treatment
S4. Stainless steel tube reactor materials with different roughness
Figure S3. Stainless steel tube reactor materials. (a) High surface roughness (Grainger, Houston, TX); (b) Low surface roughness (Swagelok, Houston, TX).
S5. Saturation index calculation
S6. Impact of surface roughness on CaCO3 surface coating
Figure S4. CaCO3 surface coating using stainless materials of different surface roughness. (a) High surface roughness material; (b) Low surface roughness material. A fraction of the attached CaCO3 was peeled off; (c) SEM image of the edge of CaCO3 on the surface of low roughness material.
S7. Mass transfer coefficient calculation(Access here)
© Z. Zhang et al., published by IFP Energies nouvelles, 2020