本論文主要探討富磷污泥之調理脫水，以陽電性聚電解質對富磷污泥進行單一調理及共調理，了解聚電解質對污泥調理之影響，研究中以毛細虹吸時間(CST)及過濾比阻(SRF)作為污泥脫水性之評估，同時量測溶解性磷之濃度，討論去除效率及機制，隨後利用恆溫吸附實驗，探討各種因素對鋁鹽污泥吸附溶解性磷之影響，並套用Langmuir及Freundlich恆溫吸附模式討論之。

實驗中發現，原始富磷污泥具有良好之脫水性，在單一調理中，聚電解質可進一步改善污泥脫水性，但無法兼具溶解性磷之去除。在共調理實驗中，利用鋁鹽污泥與富磷污泥共調理，鋁鹽污泥可提高富磷污泥之不可壓縮性，同時可吸附水體中之磷酸根，富磷污泥則可改變鋁鹽污泥接近等電點之界達電位，彼此互補，使得共調理後之污泥具由良好之脫水性，且加藥範圍寬廣的優勢。

恆溫吸附實驗中，溶液酸鹼值的控制是影響吸附能力的重要因子，吸附容量隨酸鹼值上升會有明顯的下降，此外，鋁鹽污泥中氫氧化鋁(Al(OH)3)含量也與吸附效率有直接關係；至於背景離子濃度之影響方面，鋁鹽污泥之吸附能力受其影響有限。

The objective of this study is to investigate co-conditioning and dewatering of phosphorus-rich biological sludge with alum sludge. Capillary suction time (CST) and specific resistance to filtrate (SRF) were utilized to assess sludge dewaterability. The removal efficiency and the removal mechanism of soluble phosphorus from sludge were examined as well. To assess its role in phosphorus removal, the adsorption of phosphorus on alum sludge was studied. Both Langmuir and Freundlich adsorption isotherms were used to model adsorption reactions .

In co-conditioning, aluminum sludge, acted as skeleton builder, increased the incompressibility of phosphorus-rich biological sludge and induced adsorption of soluble phosphorus. The addition of phosphorus-rich biological sludge resulted in a broader range for polymer dosing, by shifting the zeta potential of aluminum sludge from nearly neutral to negative range.

In adsorption experiments, it was found that the adsorptive capacity decreased as pH increased. In addition, the amount of aluminum hydroxide in sludge affected adsorptive capacity significantly.

陳仕桓，「富磷污泥調理脫水之研究」，碩士論文，國立台灣科技大學化學工程系，台北 (2004)。

鄭光宏，「廢棄富磷生物污泥與鋁鹽污泥共調理之研究」，國立雲林科技大學環境與安全衛生工程研究所，雲林 (2004)。

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