$1.$Please provide a hand written diagram$($PFD$)$ explaining

Capture CO$2$ from steel plant

and react it with hydrogen $($from water electrolysis powered by renewable sources$)$ under high pressure and temperature using a heterogeneous catalyst. The product, formic acid $($ HCOOH$),$ is then further reacted with phenol $($ C$6$H$5$OH$)$ to produce salicylic acid.

$2.$And also explain the provided diagram step by step