id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-15422		cet-15422		6	.pdf	application/pdf	3228	155	51	Unit Maximum time until the first turnaround, Lu, months Group for turnarounds Unit Maximum time until the first turnaround, Lu, months Group for turnarounds Unit Maximum time until the first turnaround, Lu, months Group for turnarounds DST1 62 1 FCC 50 1 DST2 17 2 CKU1 62 1 HNK 34 I CKU2 17 2 HDT2 62 1 URC 34 I HDT1 17 2 This study analyzed six scenarios to optimize refinery maintenance planning by varying the intervals between major shutdowns and the campaign times of the Catalytic Cracking Unit (FCC). Refineries are complex networks of integrated process units, and maintenance turnarounds, involving temporary shutdowns for inspection and repair, can significantly disrupt production and reduce revenues.	cache/cet-15422.pdf	txt/cet-15422.txt