id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-15639		cet-15639		6	.pdf	application/pdf	3029	135	43	Nomenclature Z – total cost, $ EC – total energy costs, $ WC– total freshwater costs, $ XC– total water release costs, $ EP – cost per unit energy, $/kWh WP – cost per unit of freshwater, $/L XP – cost per released freshwater, $/L EDyn – energy used in dynamic segregation, kWh ETrt – treatment energy per period, $ X – utilization of fixed or dynamic segregation, binary FWt – introduced freshwater, L XWt – released freshwater, L Qipt – % allocation between sources and streams, Contamination from urban, agricultural, and industrial activities has further strained this limited supply, making wastewater treatment essential for environmental protection and water security.	cache/cet-15639.pdf	txt/cet-15639.txt