id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
american_scientific_journal-6983	Ayoub, Mohamed ; El-Morsy, Ahmed 	Upgrading of an Extended Aeration System to Improve Wastewater Treatment	2021	13	.pdf	application/pdf	4166	240	51	Therefore, a significant factor in extended aeration systems is the horizontal velocity, which has a typical range of 0.25 to 0.35 m/s Effects of aeration patterns on the flow field in wastewater aeration tanks.	cache/american_scientific_journal-6983.pdf	txt/american_scientific_journal-6983.txt