【摘要】：氧化脫硫技術(shù)是國內(nèi)外研究較多的燃料油非加氫脫硫技術(shù)之一,此技術(shù)為深度脫硫技術(shù)的一種,通過將燃料油中有機難萃取含硫物通過催化氧化轉(zhuǎn)化為極性更強有機含氧化合物,從而將其從然來哦有種脫除。ZSM系分子篩具有豐富的孔結(jié)構(gòu),良好的熱穩(wěn)定性和離子交換特性,作為燃料油脫硫催化劑的基礎(chǔ)材料在化工行業(yè)應(yīng)用廣泛。本文以ZSM-5/MCM-4作為基礎(chǔ)催化材料,先用堿液處理,再對復(fù)合分子篩進行活性金屬負載的方法,制備了鎢基分子篩催化劑W03-ZSM-5/MCM-41,先后以噻吩-正辛烷模擬油和FCC汽油為對象,以H202作為氧化劑進行催化氧化脫硫研究;以合開發(fā)的催化劑為對象,考察了氧化劑用量、催化劑用量、反應(yīng)溫度、反應(yīng)時間和等工藝因素與模擬油脫硫效果關(guān)系,得到了最佳工藝條件如下:當助劑乙醇5ml,氧化劑用量為3%,反應(yīng)溫度75℃,反應(yīng)時間125min時,噻吩-正辛烷模擬油的脫硫率最高為84.03%,FCC汽油的最高氧化脫硫率最高為72.28%,。以文中合成的催化劑對FCC汽油進行催化氧化,對實驗數(shù)據(jù)進行動力學(xué)研究,獲得了催化氧化脫硫的動力學(xué)模型。
[Abstract]:Oxidation desulfurization technology is one of the non-hydrodesulfurization technologies for fuel oil, which is one of the deep desulfurization technologies. ZSM molecular sieves have abundant pore structure by converting sulfur compounds from fuel oil to organic oxygenated compounds with stronger polarity by catalytic oxidation. Because of its good thermal stability and ion exchange characteristics, it is widely used in chemical industry as the basic material of fuel oil desulfurization catalyst. In this paper, W _ 03-ZSM-5 / MCM-41 was prepared by using ZSM-5/MCM-4 as the basic catalyst, first treated with alkali solution, and then supported by active metal on the composite molecular sieve, W03-ZSM-5 / MCM-41, and the catalyst W03-ZSM-5 / MCM-41 was prepared. Thiophene-n-octane mimic oil and FCC gasoline were used as targets, and H202 as oxidant for catalytic oxidation desulphurization. The relationship between the amount of oxidant, the amount of catalyst, the reaction temperature, the reaction time and the desulfurization effect of simulated oil was investigated. When the amount of oxidant is 3, the reaction temperature is 75 鈩，

本文編號：2398909