本論文主要分為三大部分，第一部分以矽酸鐵/氧化鋁粒狀材料吸附養豬業廢水中的氨氮，測試其吸附效能，並且進行動力學模型的擬合以及推斷其吸附機制。第二部分以氧化銅/四氧化三鐵/氧化鋅粒狀觸媒進行笑氣催化分解反應與氫氣/甲烷低溫催化燃燒。第三部分為氧化銅/氧化鋅/氧化鋁粒狀觸媒，計畫將其應用於二氧化碳氫化生產甲醇的反應上。
第一部分是以氧化鋁為載體讓矽酸鐵異相成核在載體的表面上，使過濾的效率更高，也可增加矽酸鐵粒子的分散性，增加吸附活性位點的接觸面積。此外，氧化鋁的表面具有酸性位點可幫助氨氮分子的吸附。利用海藻酸鈉和多價數離子反應，可以製成粒狀材料，和粉末狀材料相比之下，具有易儲存、易分離、低背壓、低危險的優點。以氯化鈣的鈣離子作為造粒的金屬離子來源，成分較為環保。
第二部分是以氧化鋅作為催化載體，讓氫氧化鐵異相成核在載體表面上，使催化活性位點分布更均勻。氧化鋅的表面具有氧空缺，有助於笑氣(N2O)分子氮氧鍵結的斷裂，進而將笑氣轉化成氮氣。此外，四氧化三鐵對笑氣催化分解反應的催化活性比三氧化二鐵更高，氧化鋅與四氧化三鐵的晶格匹配度夠高，使四氧化三鐵在粒狀觸媒煅燒後能在載體表面生成。以上特點使氧化鋅和其他載體例如二氧化鈦、氧化鋁、二氧化鋯相比之下有更高的催化效能。本材料以硝酸銅/硝酸鎳作為造粒的金屬離子來源，和貴重金屬相比之下價格低廉，在催化表現上相當高。本研究也嘗試將部分的鐵離子置換為鈷離子，但參雜鈷離子的材料在催化表現上較差，硝酸鈷的價格也比硝酸鐵高很多。為了讓材料能夠量產，本研究進行製程改良，將碳酸鉀和氧化鋅水溶液混合後再滴入硝酸鐵溶液，用此方法合成的粒狀觸媒也有高催化效能，未來將以此方式進行觸媒量產。
第三部分是以氧化鋅混合煅燒500°C後的氧化鋁作為觸媒載體，分散在水中以後進行100°C水熱反應一天，室溫冷卻後加入海藻酸鈉，待海藻酸鈉溶解後就滴入硝酸銅溶液中，進行烘乾、煅燒500°C即可。氧化鋁的添加可提升粒狀觸媒的硬度與比表面積，對氧化鋁進行煅燒可使顆粒的硬度更高；藉由水熱反應也可以提升粒狀觸媒的硬度。此合成方式操作容易，不須進行異相成核就能將氧化銅擔載於載體表面上。計畫在未來將此材料應用於二氧化碳氫化產生甲醇的催化反應上。

The booming industry has brought great convenience to human beings, but also cause a great harm to the environment. To achieve sustainable development of the environment, and in the hope of mass production of materials for practical applications, this study aims to solve three major problems by synthesizing catalysts in a low-cost and simple process. These are (1) adsorption of ammonia nitrogen from agricultural wastewater by iron silicate/alumina granular adsorbent. (2) catalytic decomposition of high flow rate and high concentration of powerful greenhouse gas N2O at 500°C with copper oxide/iron(II,III) oxide/zinc oxide granular catalysts. (3) using copper oxide/zinc oxide/aluminum oxide granular catalyst to hydrogenate carbon dioxide to produce methanol for achieving net zero carbon emissions. In addition, the copper oxide/iron(II,III) oxide/zinc oxide granular catalyst can completely combust the high explosive hazard hydrogen and methane in the wafer process exhaust at 300°C. To solve the problems of powder type materials, such as difficult storage, difficult separation, high back pressure in the reaction chamber, and dust explosion risk, our laboratory granulates the catalysts by rapid cross-linking reaction of natural and environmentally friendly sodium alginate and cations of multiple-charge. The granular catalyst can be loaded with a high percentage of catalytically active metal oxides after high temperature calcination.

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