| Challenges of chemical recycling of plastic waste | 5 | 
| ptq&a | 7 | 
| Optimising furnace run length in a steam cracker using AI | 17 | 
| Dryout design considerations for cryogenic gas plants: Part 2 | 25 | 
| FCC co-processing of biogenic and recyclable feedstocks: Part 2 | 31 | 
| Revamping a conventional naphtha splitter to a dividing wall column | 37 | 
| A refinery’s strategic journey towards sustainability | 45 | 
| SAF production via co-processing in the kerosene hydrotreater | 51 | 
| Flexible downscaling of MAPD removal from C3/C4 olefin streams | 57 | 
| Sulphur reduction, sulphur removal, and spent caustic reuse | 62 | 
| Optimising compressor dry gas seal line design in FEED stage | 69 | 
| Integrating refining/petrochemicals for increased chemicals production | 75 | 
| Blue hydrogen – a low-carbon energy carrier: Part 1 | 81 | 
| Effect of redundancy/voting in SIL calculation | 87 | 
| Co-processing renewable feeds in hydrodesulphurisation units: Part 1 | 93 | 
| Technology in Action | 98 | 
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