¡ÒÃãªé¡Ãкǹ¡ÒõС͹ÅÍÂ㹡ÒúӺѴ¹éÓàÊÕ¢ͧâç§Ò¹ÍصÊÒË¡ÃÃÁ»ÅÒ·Ù¹èÒ¡Ãлëͧ

Treatment of Wastewater from Tuna Cannery Industry by Dissolved Air Flotation (DAF) System

Name: ºØ­ªÑ ÇÔ¨ÔµÃàʶÕÂÃ

Organization : ʶҺѹ෤â¹âÅÂÕ¾ÃШÍÁà¡ÅéÒ¸¹ºØÃÕ

Name: Boonchai Wichitsathian

keyword: ÃкººÓºÑ´¹éÓàÊÕÂ

; ÍصÊÒË¡ÃÃÁ»ÅÒ·Ù¹èÒ¡Ãлëͧ

Abstract: The objective of this study is to treat wastewater from tunacannery by method of Dissolved Air Flotation (DAF). There were threequantitative levels of applied chemical operaties on DAF that areNo chemical process (NCP), Low chemical process (LCP) and Highchemical process (HCP). Chemical additives used in HCP were bothCarboxymethyl cellulose (CMC) and calcium phosphate (Ca3(PO4)2)whereas only Carboxymethyl cellulose was used as flocculant for LCP.In the one-stage DAF treatment with the air-solid ratios inthe range of 0.02-0.03, the suspended solids removal efficiencies forNCP, LCP and HCP were 70-80, 60-80 and 85-95 percent respectively.The removal efficiencies of the TKN were 10-20, 5 and 10-30 percentrespectively in the same range of air-solid ratios as well as oil andgrease removal efficiencies in three processes were 30-80 percent.In the two-stage DAF treatment with the air-solid ratios inthe range of 0.03-0.05, the suspended solids removal efficiencies forNCP, LCP and HCP were 50-55, 55-60 and 60 percent respectively. TheTKN removal efficiencies were 5, 5-10 and 20 percent respectivly.Besides, oil and grease removal efficiencies were 25-30, 40 and 45percent respectively.In general one-stage and two-stage DAF treatment gave thesame removal efficiencies, provided that each process was run at itsoptimum conditions and the concentration of pollutants in wastewaterwere not different. Because of the oil and grease removal efficiencyin the first-stage of two-stage DAF did not so good.

ʶҺѹ෤â¹âÅÂÕ¾ÃШÍÁà¡ÅéÒ¸¹ºØÃÕ

Address: ¡Ãا෾ÁËÒ¹¤Ã

Email: info.lib@mail.kmutt.ac.th

Name: à©ÅÔÁÃÒª Çѹ·ÇÔ¹

Role: ÍÒ¨ÒÃÂì·Õè»ÃÖ¡ÉÒ

Name: ÊØÀÒ³Õ àÅÔÈäµÃÅѡɳì

Role: ÍÒ¨ÒÃÂì·Õè»ÃÖ¡ÉÒ

Name: ÊÃéÍ´ÒÇ ÇÔ¹Ô¨¹Ñ¹·Ãѵ¹ì

Role: ÍÒ¨ÒÃÂì·Õè»ÃÖ¡ÉÒ

Created: 2537

Issued: 2005-04-13

Modified: 2554-04-28

ÇÔ·ÂÒ¹Ô¾¹¸ì/Thesis

ISBN: 9746212273

CallNumber: EV24

tha

DegreeName: ÇÔ·ÂÒÈÒʵÃÁËҺѳ±Ôµ

Level: »ÃÔ­­Òâ·

Descipline: à·¤â¹âÅÂÕÊÔè§áÇ´ÅéÍÁ

Grantor: ʶҺѹ෤â¹âÅÂÕ¾ÃШÍÁà¡ÅéÒ¸¹ºØÃÕ

©copyrights ÁËÒÇÔ·ÂÒÅÑÂà·¤â¹âÅÂÕ¾ÃШÍÁà¡ÅéÒ¸¹ºØÃÕ

ÅӴѺ·Õè.	ª×èÍá¿éÁ¢éÍÁÙÅ	¢¹Ò´á¿éÁ¢éÍÁÙÅ	¨Ó¹Ç¹à¢éÒ¶Ö§	Çѹ-àÇÅÒà¢éÒ¶Ö§ÅèÒÊØ´
1	EV24.pdf	3.53 MB	393	2026-01-12 22:59:53
2	EV24ab.pdf	84.52 KB	167	2024-03-01 14:25:05

ãªéàÇÅÒ

0.039146 ÇÔ¹Ò·Õ