Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/5907
標題: 高濃度含磷廢水處理技術之研究
Study on the treatment technology of wastewater with high concentration of phosphorus
作者: 楊昆龍
Yang, Kun-Lung
關鍵字: 流體化床;Fluidized-bed;結晶;除磷;Ca/P;pH;Crystallization;Phosphorus removal;Ca/P;pH
出版社: 環境工程學系所
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Battistoni et al., Struvite crystallization: A feasible and reliable way to fix phosphorus in anaerobic supernatants, August 2000 Parsons S. A. et al., Struvite formation and the fouling propensity of different materials, September 2002 Parsons S. A. et al., Struvite crystallisation and recovery using a stainless steel structure as a seed material, June 2007 Parsons S. A. et al., Agglomeration of struvite crystals, January 2007 Pastor L. et al., Sewage sludge management for phosphorus recovery as struvite in EBPR wastewater treatment plants, July 2008 Piekema P. and Andreas Giese, phosphate recovery by the crystallisation process: experience and development, DHV Water BV S. A. Parsons et al., Struvite crystallisation and recovery using a stainless steel structure as a seed material, June 2007 Seckler M. M. et al., Calcium phosphate precipitation in a fluidized bed in relation to process conditions- A black box approach, July 1996 Seckler M. M. et al., Phosphate removal in a fluidized bed—I. Identification of physical processes, July 1996 Seckler M. M. et al., Phosphate removal in a fluidized bed—II. Process optimization, July 1996 Song Y. et al., Modeling the crystallization of magnesium ammonium phosphate for phosphorus recovery, November 2006 Song Y. et al., Nutrients removal and recovery by crystallization of magnesium ammonium phosphate from synthetic swine wastewater, September 2007 Song Y.H. et al., Seed selections for crystallization of calcium phosphate for phosphorus recovery, Journal of Environmental Sciences, 2007 Stratful I. et al., Conditions influencing the precipitation of magnesium ammonium phosphate, December 2001 Sung S.S. and Duu-Jong Lee, Steady-state solid-flux plot of blanket in upflow suspended bed, Journal of Chinese Institute Chemical Engineers, 2005 Suzuki K. et al., Removal of phosphate, magnesium and calcium from swine wastewater through crystallization enhanced by aeration, July 2002 Suzuki K. et al., Recovery of phosphorous from swine wastewater through crystallization, September 2005 Suzuki K. et al., Removal and recovery of phosphorous from swine wastewater by demonstration crystallization reactor and struvite accumulation device, May 2007 Utomo J. et al., Semi-batch reactive crystallisation of mono-ammonium phosphate: An experimental study, Chemical Engineering Journal, February 2010 Wilsenach J.A. et al., Phosphate and potassium recovery from source separated urine through struvite precipitation, January 2007 Yonghui Song et al., Modeling the crystallization of magnesium ammonium phosphate for phosphorus recovery, November 2006 Yonghui Song et al., Nutrients removal and recovery by crystallization of magnesium ammonium phosphate from synthetic swine wastewater, September 2007 Yim S.B. et al., Hydroxyapatite crystallization from a highly concentrated phosphate solution using powdered converter slag in seed material, Journal of Hazardous Materials, August 2006 Yim S.B. et al., Recovery of phosphates from wastewater using converter slag- Kinetics analysis of a completely mixed phosphorus crystallization process, April 2006 Vohla C. et al., Filter materials for phosphorus removal from wastewater in treatment wetlands—A review, January 2011 李公哲,水質管理之原理,國立編譯館,台北市,1984 李明政,流體化床結晶處理技術應用於養豬廢水之研究,碩士論文,國立台灣大學化學工程研究所,1997 李茂松,流體化床結晶技術在無機廢水處理上應用性研究,碩士論文,中原大學化學研究所,1993 李敏華,水質化學,復漢出版社,台南市,1992 何俊明,沉澱去除光電廢水中磷酸鹽之研究,碩士論文,國立台灣科技大學化學工程研究所,2008 洪再生,流體化床結晶技術回收廢水重金屬銅之探討,碩士論文,國立中央大學環境工程研究所,1995 洪啟昌,次磷酸溶液處理方法之研究 -化學混凝法、吸附法與氧化法,碩士論文,國立成功大學化學工程研究所,2004 陳寶祺,微溶物系之沉澱與結晶,博士論文,國立台灣大學化學工程研究所,1987 陳政澤,流體化床結晶反應槽回收廢水中重金屬鎘之研究,碩士論文,國立中央大學環境工程研究所,1995 張鈞期,不同金屬藥劑的流體化床結晶技術處理含磷廢水之研究,碩士論文,國立成 功大學化學工程研究所,1999 黃孝儒,流體化床結晶技術處理含銅廢水之實廠研究,碩士論文,國立台灣大學化學工程研究所,2006 楊萬發,水及廢水處理化學,茂昌,台北市,1987 劉志忠,流體化床結晶法去除水中磷酸鹽之研究,碩士論文,國立中央大學環境工程研究所,1997 蔡孟耕,養豬廢水以化學沉澱除磷及曝氣法除氨之探討,國立台灣大學環境工程研究所碩士論文,1993 盧郁文,高效率流體化床結晶技術除鐵之研究,碩士論文,國立成功大學化學工程研究所,2005 戴怡德、陳寶祺,氟化鈣結晶動力學研究,學術委託計畫研究報告,工研院化工所/台大化工所,1994 顏士閔,光電業含砷廢水處理-化學沉降和流體化床法之評估,碩士論文,國立交通大學環境工程研究所,2003
摘要: 
本研究目標在完成高濃度含磷廢水處理量≧60CMD的流體化床結晶處理系統(Fluidized-Bed Crystallization, FBC),並使廢水中磷的去除率≧70%。計畫實施階段完成利用0.5L實驗室規模之流體化床結晶處理設備來進行脫磷之試驗,藉由改變進料溶液之pH值、金屬鹽/磷(Me/P)莫爾比等參數探討不同操作條件與磷去除率之關係。
實驗結果發現使用CaCl2加藥之流體化床結晶技術適合用來處理高濃度含磷溶液(1,000 mg-P/L),去除效率可達90%以上,最佳操作條件為:Ca/P=1.6 、pH=7.1。結晶顆粒經XRD晶相分析確認為CaHPO4‧2H2O產物,不同於傳統FBC產生之Ca5(PO4)3OH化合物成分。
實驗工作以直徑9cm槽體體積10L規模之試驗反應槽進行放大測試後,再以直徑80cm槽體體積2,500L處理量60CMD實廠化規模之FBC設備進行實廠高濃度含磷廢水之處理驗證,處理結果證明處理水磷去除效果達70%以上是可行的,完成研究之工作目標,而以處理1,000 mg-P/L含磷溶液估算,操作成本約為100元/m3左右。

關鍵字:流體化床、結晶、除磷、Ca/P、pH

The project “High Concentration of phosphorus Wastewater Treatment by Fluidized-Bed Crystallization (FBC) process for Trial Production on Large Scale” is summarized as follows. This year’s project aimed to fulfill a FBC system for the wastewater treatment capacity of 60 CMD, also to achieve the phosphorus removal efficiency≧70% for high-concentration phosphate wastewater. This study describes the adding CaCl2 process in a 0.5L bench scale FBC reactor for the phosphorus removal of a high-concentration phosphate wastewater (1,000 mg-P/L) from a TFT-LCD factory. Operating conditions, e.g., molar ratio (Me/P) and pH value, were altered to evaluate the optimum of FBC process for phosphorus removal efficiency.
Experimental results indicated that the total removal efficiency of phosphorus was over 90% with the optimum conditions: Ca/P=1.6, pH=7.1 The XRD diagrams confirmed the crystal type of FBC product in this highly phosphate concentrated system was calcium hyohogenphosphate dihydrate (CaHPO4‧2H2O), which was different from the calcium phosphate crystal content, hydroxyapatite (Ca5(PO4)3OH), produced by conventional FBC process.
A 10L pilot scale FBC with 9 cm diameter was further tested for scale-up study. After the pilot test, the work of field test using 2,500L reactor with 80 cm diameter in TFT-LCD factory was performed. The goal of total phosphorus removal efficiency over 70% from high-concentration phosphate wastewater was successfully fulfilled. The operation cost was about 100 NTD/m3 based on treating the phosphate wastewater with the concentration of 1,000 mg-P/L.

Keywords:Fluidized-bed、Crystallization、Phosphorus removal、Ca/P、pH
URI: http://hdl.handle.net/11455/5907
其他識別: U0005-2208201212291900
Appears in Collections:環境工程學系所

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