現代科技的進步，但也伴隨著汙染的產生，為了使對人體的危害降低，需更重視工業廢棄物的處理。鋁是自然界岩石及土壤主要成分之一，金屬鋁為眾多加工行業不可缺的原料之一，回收後的廢鋁料經常以熔煉方式回收再利用，但製程中會伴隨產生大量的鋁渣，多以摻配方式回爐重煉或進行掩埋處理，除了需支付昂貴的處置費用，鋁渣中的氮化鋁與水接觸會形成惡臭的氨氣及鋁渣中重金屬的溶出現象，導致環境再次汙染會引起公共爭議。
沸石是一種具有分子孔隙的礦物，其結構主要由矽、鋁或磷、鋁元素構成，是具有吸附與離子交換的性質，是極佳的淨化材料。
本研究採用鋁渣為原料，並以水熱法合成AlPO4-5型沸石材料，實驗過程分別採用不同有機模板比(莫爾比: TEA/Al2O3=0.5~1.5)；水的含量(H2O/Al2O3=20、40、60)；水熱溫度(150。C、180。C、210。C)；煆燒溫度(450。C、550。C、650。C)，探討其對合成沸石的影響。將鋁渣加入磷酸溶液，混合物持續攪1.5小時並加入Triethylamine (TEA)，其中TEA為有機模板，再攪拌1.5小時。接著合成凝膠轉移到聚四氟乙烯內襯的不鏽鋼高壓釜中，然後加熱10小時。取出後乾燥過濾，反應產物在不同溫度下加熱4小時除去TEA，並得到最終產物。

The problem of pollution arise along with the rapid development of scientific and technological advances. In order to reduce the harm for human pay more attention to industrial waste treatment. Aluminum is one of the main components of natural rock and soil. After recovering scrap aluminum often recycled, but the process will be along with a large amount of aluminum nitride which in contact with water will form ammonia and heavy metals, leading to environmental pollution caused public controversy. Zeolite minerals with adsorption and ion exchange properties, are considered one of the best purification materials.
Organic template is used as trimethylamine(TEA) in this experiment, we used template ratio(TEA/Al2O3=0.5~1.5)、water ratio(H2O/Al2O3=20、40、60)、reaction temperature(150 oC、180 oC、210 oC)、calcination temperature(450 oC、550 oC、650 oC) and hydrothermal time 10hr were discussed on the effect of zeolite synthesis experiment. The results showed that all the numerical values of BET are bigger than references and also NH4+ ion absorption capacity of the three samples are all better than nature zeolite minerals.

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