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	1.	Fixed biological surfaces-wastewater treatment : the rotating biological contactor / by Ronald L. Antonie by Antonie, Ronald L Series: Water pollution control technology series Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Ohio : CRC Press, c1976 Availability: Items available for loan: National Library of India (1)Call number: S.T 628.354 An 88. Place hold Request article Save to lists
	2.	No cover image available Application of rotating disc process to municipal wastewater treatment / United States Environmental Protection Agency by United States. Environmental Protection Agency Autotrol Corporation. Bio-Systems Division United States. Environmental Protection Agency. Office of Research and Monitoring Series: Water pollution control research series Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Washington, D. C. : Environmental Protection Agency, 1971 Availability: Items available for loan: National Library of India (1)Call number: U.S 628.32 Un 3. Place hold Request article Save to lists
	3.	No cover image available Application of rotating disc process to municipal wastewater treatment / United States Environmental Protection Agency by United States. Environmental Protection Agency Autotrol Corporation. Bio-Systems Division United States. Environmental Protection Agency. Office of Research and Monitoring Series: Water pollution control research series Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Washington, D. C. : Environmental Protection Agency, 1971 Availability: Items available for loan: National Library of India (1)Call number: U.S 628.32 Un 3. Place hold Request article Save to lists
	4.	No cover image available Concentration technologies for hazardous aqueous waste treatment : project summary / by Alan J. Shuckrow, Andrew P. Pajak and Jerome W. Osheka by Shuckrow, Alan J Pajak, Andrew P [jt. aut] Osheka, Jerome W [jt. aut] United States. Environmental Protection Agency Material type: Text; Format: print ; Literary form: Not fiction Language: English Publication details: Cincinnati : U.S. Government Printing Office, 1981 Availability: Items available for loan: National Library of India (1)Call number: U.S 363.72840973 Sh 91. Place hold Save to lists

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