化学工程与装备
化學工程與裝備
화학공정여장비
CHEMICAL ENGINEERING & EQUIPMENT
2011年
9期
208-211
,共4页
x射线荧光分析法%汽油%柴油%重油%硫
x射線熒光分析法%汽油%柴油%重油%硫
x사선형광분석법%기유%시유%중유%류
X-ray fluorescence spectrometric analysis%Gasoline%Diesel%Heavy oil%Sulfur
在石油化工生产过程中,硫含量的测定是需要严格控制的一项重要指标,也是与发动机的腐蚀及环保排放有关的重要项目。硫的存在还降低了油品的氧化安定性,使油品颜色变深,产生特殊的气味和讨厌的沉渣而降低油品的质量。炼厂及石油化工装置排放气中的硫化氢、二氧化硫,在空气中还会形成酸雨,污染环境。破坏生态平衡,因此硫含量分析至关重要。分析硫常用的方法有很多:燃灯法、氧弹法、氧瓶燃烧法、微库仑法和荧光法等。本文就X射线荧光分析法(XRF)操作方便、速度快、效率高,减轻工人工作量等优点,对各种影响因素进行对比和研究。找到了最佳的分析条件,并选择校正曲线法建立汽油、柴油和重油中硫分析方法。结果表明:上述方法对于不同石油产品中显示出良好的选择性(重复性、再现性和灵敏度),满足了生产过程中不同石油产品中硫含量的检测需要.
在石油化工生產過程中,硫含量的測定是需要嚴格控製的一項重要指標,也是與髮動機的腐蝕及環保排放有關的重要項目。硫的存在還降低瞭油品的氧化安定性,使油品顏色變深,產生特殊的氣味和討厭的沉渣而降低油品的質量。煉廠及石油化工裝置排放氣中的硫化氫、二氧化硫,在空氣中還會形成痠雨,汙染環境。破壞生態平衡,因此硫含量分析至關重要。分析硫常用的方法有很多:燃燈法、氧彈法、氧瓶燃燒法、微庫崙法和熒光法等。本文就X射線熒光分析法(XRF)操作方便、速度快、效率高,減輕工人工作量等優點,對各種影響因素進行對比和研究。找到瞭最佳的分析條件,併選擇校正麯線法建立汽油、柴油和重油中硫分析方法。結果錶明:上述方法對于不同石油產品中顯示齣良好的選擇性(重複性、再現性和靈敏度),滿足瞭生產過程中不同石油產品中硫含量的檢測需要.
재석유화공생산과정중,류함량적측정시수요엄격공제적일항중요지표,야시여발동궤적부식급배보배방유관적중요항목。류적존재환강저료유품적양화안정성,사유품안색변심,산생특수적기미화토염적침사이강저유품적질량。련엄급석유화공장치배방기중적류화경、이양화류,재공기중환회형성산우,오염배경。파배생태평형,인차류함량분석지관중요。분석류상용적방법유흔다:연등법、양탄법、양병연소법、미고륜법화형광법등。본문취X사선형광분석법(XRF)조작방편、속도쾌、효솔고,감경공인공작량등우점,대각충영향인소진행대비화연구。조도료최가적분석조건,병선택교정곡선법건립기유、시유화중유중류분석방법。결과표명:상술방법대우불동석유산품중현시출량호적선택성(중복성、재현성화령민도),만족료생산과정중불동석유산품중류함량적검측수요.
The determination of sulfur content is an important indicator that needs strict control in the petrochemical production process; also it is crucially related to engine corrosion and environmental emissions. The presence of sulfur also reduces the oil's oxidation stability, leading to darker oil, a special smell and nasty sediment, which thereby reduce the quality o foil products. Hydrogen sulfide and sulfur dioxideproduced in the petrochemical industry, produce acid rain in the air that pollutes the environment and destroys the ecological balance. Therefore it is important to determine the content of sulfur. Many methods such as: lamp-kindled method, oxygen bomb, oxygen flask combustion method, microcoulometryand fluorescence method could be used to determine the content of sulfur. With its advantages such as: easy to operate, fast and workload reduction and so on, X-ray fluorescenceanalysis method was used to determine the content of sulfur in this paper. Factors affecting the determination of micro-sulfur content by X-ray fluorescence analysis were compared and studied: optimum operation conditions were sorted out and the calibration curve method is chosen to establish methods of determination of sulfur in gasoline, diesel and heavy oil The results show that good selectivity (Repeatability, reproducibility and sensitivity) could be obtainedfor the determination of different petroleum products by the aforementioned methods, which meet the requirements for the determination of sulfur content of different petroleum products.