臺灣博碩士論文加值系統

近年來鉛酸蓄電池使用量和報廢量逐年增加，從廢鉛酸蓄電池回收鉛不僅關係到鉛行業的可持續發展，也能減少鉛對環境的污染。現有的鉛火法冶煉過程中有兩個主要問題，有毒的鉛灰排放造成環境汙染以及需要高能量的損耗，在火法冶煉的過程中，所產出的鉛集塵灰將會進行掩埋的動作，不僅對環境造成影響，也無法達到永續的經營。
本研究利用田口法來進行最佳化，田口法利用特有的直交表，有效減少繁複的實驗量而達到實驗目的，同時經由實驗結果進行品質分析，進而得到最佳實驗參數。本實驗在鹼溶浸出鉛集塵灰浸出率達93.59%，浸出後的殘渣為SnO2和Cd(OH)2為主，再將浸出後的液體當作電解液進行電解鉛回收，並能有效的回收鉛高達100%。
本研究利用濕法冶金從集塵灰中回收鉛，濕法冶金不僅低能耗，而且可以提高鉛的回收效益，將鉛含量約70%的集塵灰進行最佳的永續經營，此回收方法可避免含鉛廢水的排放，對環境的汙染極低，達到最佳的經濟效益。

In recent years, the use of lead-acid batteries and the amount of scrap has increased year by year. To recycle the waste lead of lead-acid battery not only related to the sustainable development of the lead industry, but also to reduce lead pollution to the environment. There are two main problems in the existing Pyrometallurgical process of lead , toxic lead ash emissions cause environmental pollution and the need for high energy loss. In the Pyrometallurgical process, the resulting lead dust will be buried, not only the impact on the environment, but can not achieve sustainable management.
In this study, the Taguchi method was used to optimize the results of experiment. Taguchi method includes the unique orthogonal table to effectively reduce the complicated experimental quantity and achieve the experimental purpose. At the same time, the quality analysis was carried out by the experimental results, and the best experimental parameters were obtained. Dust leaching rate of 93.59%,the residue of leaching are mainly for SnO2 and Cd (OH)2, and use liquid which used to leaching as electrolytic solution, to effectively recover the lead up to 100%.
In this study, the use of hydrometallurgy method to recover lead from lead dust is not only low energy consumption, but can improve the recovery of lead, the 70% of lead content of the dust can be used for the best sustainable operation.This recovery method can avoid the emission of lead waste water, and lower the pollution to the environment , to achieve the best economic benefits.

摘要 i
ABSTRACT ii
致謝 iv
目錄 v
圖目錄 vii
表目錄 ixx
第一章 緒論 1
1.1 前言 1
1.2 研究動機與實驗目的 1
第二章 文獻回顧 2
2.1 鉛 2
2.2 鉛酸蓄電池 5
2.2.1鉛酸蓄電池結構介紹 5
2.2.2鉛酸蓄電池發展 7
2.2.3鉛酸蓄電池市場發展現況 8
2.3 鉛酸蓄電池回收現況 9
2.3.1鉛膏火法冶煉回收技術 10
2.3.1.1預脫硫→還原熔煉→精煉技術 10
2.3.1.2再生鉛和原生鉛混合熔煉技術 11
2.3.2濕法冶金回收 11
2.4 鉛集塵灰 11
2.5 田口方法 13
第三章 實驗設備與方法 20
3.1 實驗樣品與製備 20
3.2 田口方法規劃 23
3.3 鉛集塵灰樣品檢測 25
3.4 鹼溶浸出鉛集塵灰實驗流程 25
3.5 電解回收鉛實驗流程 26
3.6 實驗分析 28
第四章 結果與討論 37
4.1 樣品鉛集塵灰分析 37
4.2 鹼溶浸出樣品鉛集塵灰 40
4.2.1田口分析鹼溶浸出樣品鉛集塵灰 44
4.3 電解回收鉛 46
4.3.1田口分析電解回收鉛 50
4.4 電解回收鉛電費成本 53
第五章 結論 54
參考文獻 55
附錄 58
附錄一 58
附錄二 64

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