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Characterization and by-products rec...

Xu, Liangji.

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Characterization and by-products recovery from egg processing plant wastewaters using ultrafiltration, precipitation/coagulation, and electrocoagulation pretreatments.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Characterization and by-products recovery from egg processing plant wastewaters using ultrafiltration, precipitation/coagulation, and electrocoagulation pretreatments./
作者:	Xu, Liangji.
面頁冊數:	200 p.
附註:	Source: Dissertation Abstracts International, Volume: 58-06, Section: B, page: 3247.
Contained By:	Dissertation Abstracts International58-06B.
標題:	Engineering, Environmental. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9736854
ISBN:	0591468727

Characterization and by-products recovery from egg processing plant wastewaters using ultrafiltration, precipitation/coagulation, and electrocoagulation pretreatments.
Xu, Liangji.

Characterization and by-products recovery from egg processing plant wastewaters using ultrafiltration, precipitation/coagulation, and electrocoagulation pretreatments. - 200 p.

Source: Dissertation Abstracts International, Volume: 58-06, Section: B, page: 3247.

Thesis (Ph.D.)--North Carolina State University, 1997.

Studies were conducted to evaluate the effectiveness of pretreatment technologies such as precipitation/coagulation with lignosulfonate bentonite, carboxymethylcellulose, and ferric chloride, ultrafiltration, and electrocoagulation on treating commercial egg processing plant wastewater.

ISBN: 0591468727Subjects--Topical Terms:

783782
Engineering, Environmental.

Characterization and by-products recovery from egg processing plant wastewaters using ultrafiltration, precipitation/coagulation, and electrocoagulation pretreatments.
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245 1 0 $a Characterization and by-products recovery from egg processing plant wastewaters using ultrafiltration, precipitation/coagulation, and electrocoagulation pretreatments.
300 $a 200 p.
500 $a Source: Dissertation Abstracts International, Volume: 58-06, Section: B, page: 3247.
500 $a Directors: Brian Sheldon; Duane Larick.
502 $a Thesis (Ph.D.)--North Carolina State University, 1997.
520 $a Studies were conducted to evaluate the effectiveness of pretreatment technologies such as precipitation/coagulation with lignosulfonate bentonite, carboxymethylcellulose, and ferric chloride, ultrafiltration, and electrocoagulation on treating commercial egg processing plant wastewater.
520 $a For both simulated and industrial egg processing wastewater, COD, turbidity, and TS were reduced over 90%, 97%, and 95%, respectively. For all three methods, the recovered dried by-products contained high concentrations of high quality protein (30-50%) and fat (30-40%). Based on the nutritional assays, the recovered by-products might be useful as a livestock feed. Total treatment costs were estimated and compared with wastewater treatment surcharge costs without pretreatment to arrive at a total savings per million gallons (MG) of wastewater treated. The total estimated savings of the precipitation/coagulation, ultrafiltration, and electrocoagulation pretreatments were over $2 2,000, \ $1 7,700, and $3 0,000 per MG, respectively. Therefore, recovery and utilization of such components from egg processing WW may reduce plant wasteloads, decrease the surcharges, and permit recovery of egg solids for use in livestock feeds.
520 $a The WW characteristics from a commercial egg processing plant was investigated. Four operation lines were compared including Transfer, Breaking, Microfresh, and Aseptic operations. Individual waste streams from these four operations varied considerably in flow and stream strength. Nearly 80% of the egg loss, waste production, and wastewater volume was attributed to the Breaking and Aseptic lines. The ratio of wastewater to potable water was 0.80.
520 $a The weekday average egg loss was 14,883 lb. The weekend average egg loss was to 43% of the weekday egg loss values.
520 $a In a final study, COD, BOD, and TKN assays were evaluated for their effectiveness in estimating daily egg losses. Most Federal and state regulation agencies require use of the BOD assay for measuring the pollutant loads in WW effluents. Based on the findings of this study, both COD and total organic carbon (TOC) accurately estimated the BOD values in egg processing plant WW effluents. Thus, consideration should be given by the EPA to allow for the use of the more rapid COD and TOC methods, as opposed to the more costly 5-day BOD procedure, for estimating WW loads in egg processing plants.
590 $a School code: 0155.
650 4 $a Engineering, Environmental. $3 783782
650 4 $a Agriculture, Food Science and Technology. $3 1017813
650 4 $a Chemistry, Agricultural. $3 1021829
650 4 $a Environmental Sciences. $3 676987
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710 2 0 $a North Carolina State University. $3 1018772
773 0 $t Dissertation Abstracts International $g 58-06B.
790 1 0 $a Sheldon, Brian, $e advisor
790 1 0 $a Larick, Duane, $e advisor
790 $a 0155
791 $a Ph.D.
792 $a 1997
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9736854