Zeolite wheel adsorption concentration and activated carbon adsorption concentration have become two mainstream treatment processes in the VOC organic waste gas treatment market. However, the efficiency of activated carbon adsorption and purification has rapidly decreased, making it prone to ignition. The zeolite runner has gradually been accepted by domestic owners.

我們發現，在沸石轉輪的技術交流中，業主廢氣的相對濕度通常會被調查，因為沸石轉輪公司在選擇沸石轉輪時通常需要客戶提供廢氣的相對濕度。由于相對濕度超過80%，沸石轉輪的凈化效率將大大降低。因此，如果廢氣的相對濕度超過80%RH，則需要增加濕度調節單元。

We found that in the technical exchange of zeolite wheels, the relative humidity of the owner's exhaust gas is usually investigated, because zeolite wheel companies usually require customers to provide the relative humidity of the exhaust gas when selecting zeolite wheels. Due to relative humidity exceeding 80%, the purification efficiency of the zeolite runner will be greatly reduced. Therefore, if the relative humidity of the exhaust gas exceeds 80% RH, it is necessary to add a humidity regulating unit.

那么，活性炭對廢氣的相對濕度有要求嗎有，而且相對濕度要求低于沸石轉輪，活性炭對廢氣的相對濕度要求為60%。目前，活性炭吸附脫附設備中幾乎沒有濕度調節單元。

So, does activated carbon have a requirement for the relative humidity of exhaust gas, and the requirement for relative humidity is lower than that of zeolite wheels. Activated carbon requires a relative humidity of 60% for exhaust gas. At present, there are almost no humidity adjustment units in activated carbon adsorption and desorption equipment.

常用的沸石分子篩是由Si/O和Al/O四面體結構單元組成的合成不溶性鋁硅酸鹽。其中，硅原子或鋁原子構成四面體的中心。所有硅氧四面體和鋁氧四面體通過共享頂點的氧原子連接成多個環，多個環相互連接形成立體骨架。這種鋁硅酸鹽中的硅氧比為1:2，符合簡單的SiO2。由于網格框架中的Al3+離子取代了Si4+離子，網格框架具有負電荷。為了平衡Al/O四面體的負電荷，網格框架間隙中需要有補償電荷的陽離子。

The commonly used zeolite molecular sieve is a synthetic insoluble aluminosilicate composed of Si/O and Al/O tetrahedral structural units. Among them, silicon or aluminum atoms form the center of the tetrahedron. All silicon oxygen tetrahedra and aluminum oxygen tetrahedra are connected into multiple rings through oxygen atoms sharing vertices, and the multiple rings are interconnected to form a three-dimensional skeleton. The silicon to oxygen ratio in this aluminum silicate is 1:2, which conforms to the simple SiO2. Due to the substitution of Si4+ions by Al3+ions in the grid framework, the grid framework has negative charges. In order to balance the negative charge of Al/O tetrahedra, cations with compensating charges are needed in the gap of the grid frame.

這些陽離子成為極性點，使沸石分子篩具有親水性。合成沸石轉輪的吸濕能力強于硅膠，每升空氣中的水分可低于10-4mg。因此，為了提高沸石分子篩的疏水性，有必要消除極性離子，即降低結晶中的鋁含量，使沸石轉骨架中沒有硅和氧原子。硅和氧原子之間的鍵距為1.6，離子半徑為0.40和1.40，因此吸附微孔被氧原子包圍。Si-O-Si鍵中的氧原子既不堿性也不形成氫鍵。因此，微孔表面無極，疏水。

These cations become polar points, making the zeolite molecular sieve hydrophilic. The moisture absorption capacity of synthetic zeolite wheels is stronger than that of silica gel, and the moisture content in each liter of air can be less than 10-4mg. Therefore, in order to improve the hydrophobicity of zeolite molecular sieves, it is necessary to eliminate polar ions, that is, reduce the aluminum content in the crystallization, so that there are no silicon and oxygen atoms in the zeolite skeleton. The bond distance between silicon and oxygen atoms is 1.6, and the ion radii are 0.40 and 1.40, so the adsorption micropores are surrounded by oxygen atoms. The oxygen atoms in the Si O-Si bond are neither alkaline nor form hydrogen bonds. Therefore, the surface of micropores is polar and hydrophobic.

有了沸石轉輪＋CO上面的小總結，希望對廣大客戶有所幫助，如果有什么不理解的或者尋求幫助的請點擊我們的網站：http://www.shtzxx.cn或者來電咨詢，我們會盡全力為您解決

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