科技進步帶給吾人便利的生活，但汙染也伴隨著產生，日漸對人
類健康造成威脅，須更重視及面對工業廢棄物的處理，在工業廢水以
及廢氣的處理上，可利用吸附或是隔離的方式來達到效果，沸石礦物
具有吸附與離子交換的性質，被認為是極佳的淨化材料。高嶺石為雙
層結構，層與層之間由矽氧側提供氧原子，鋁氧側提供氫氣根以共價
方式結合形成氫鍵，由於其具有可同時提供沸石組成原料中的矽鋁離
子且容易取得、價格便宜，故高嶺石很適合做為合成沸石的原料。
本實驗使用高嶺石做為原料並以氫氧化鈉作為礦化劑，利用
XRD 進行產物鑑定，分別探討原料煆燒溫度(750℃、550℃、RT) 、
礦化劑濃度(1M、5M) 、反應溫度(150℃、180℃、210℃)與固液比
(2g/20ml、5g/20ml、10g/20ml)對沸石合成之影響，產物相以Zeolite A、Zeolite P、sodalite 和nepheline hydrate(JBW zeolite)相為主，實驗中取五組結晶性較佳的樣品進行氨氮吸附測試與陽離子交換測試，另外再取其中三組純相樣品進行熱酸改質，由實驗結果可知五組樣品NH4+離子吸附能力皆優於天然沸石礦物，其中nepheline hydrate 相最大吸附量可達26.78cmol/kg 且經改質後樣品之NH4+離子吸附與陽離子交換能力可提高約25%。

With the advances in technology of industry，however，behind the advantages，it’s also associated with pollution which is growing threat to human health. Treatments of industrial wastes are more and more important nowadays. In the treatment of waste water and waste gas, it can be adsorbed or isolated to achieve the effect. Zeolite minerals with
adsorption and ion exchange properties, are considered one of the best purification materials. Kaolinite’s structure is composed by a layer of silicon-oxygen tetrahedron layer and an aluminum oxide octahedra layer that are connected through hydrogen bonds, because it can provide silicon
and aluminum ions and easy to obtain, cheap, so it is suitable as a raw material for synthesizing zeolites.
Sodium hydroxide is used as alkali solution. The calcination temperature of raw material(750℃、550℃、RT) 、the alkali solution concentration(1M、5M) 、the reaction temperature(150℃、180℃、210℃) and the solid/liquid ratio(2g/20ml、5g/20ml、10g/20ml) were discussed on the effect of zeolite synthesis experiment by XRD analysis.
Products in this experiment are mainly Zeolite A、Zeolite P、sodalite and nepheline hydrate(JBW zeolite) phase. Five better crystalline samples are selected for NH4+ ion absorption test and cation exchange test and three of
the five samples are selected for thermal-acid modification.The results showed that NH4+ ion absorption capacity of the five samples are all better than nature zeolite minerals, which nepheline hydrate phase has
maximum adsorption capacity of up 26.78cmol/kg. NH4+ ion absorption capacity and cation exchange capacity of samples after thermal-acid modified can be increased by about 25%.

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