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劣质原油的电脱盐工艺优化

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  • 国家科技期刊平台
  • NETL
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以纳波-奥瑞特-拉帕混合原油为对象,考察了破乳剂类型、破乳剂用量、混合强度、电脱温度、电场强度和电脱级数对电脱盐脱水效率的影响,确定了静态试验评价阶段最佳工艺条件:40 μg/g的破乳剂用量、1200 r/min的混合强度、120℃的电脱温度、1200 V/cm的电场强度以及二级电脱级数.在小试确定工艺参数基础上,通过中试阶段现场设备的调试,使得脱后原油含盐(NaCl)的质量分数为 2.87 mg/L,油中含水质量分数为 0.15%,降至工业标准范围内.
Optimization of the Electric Desalting Process for Inferior Crude Oil
To improve the adaptability of the electric desalination unit,various factors were examined,including the type and dosage of emulsion breaker,mixing intensity,temperature of electric stripping,electric field intensity,and number of electrical discharging stages.During the evaluation stage of the static test,optimal process conditions were determined,including an emulsion breaker dosage of 40 μg/g,mixing intensity of 1200 r/min,temperature of electric stripping of 120℃,electric field intensity of 1200 V/cm,and the number of second-stage electrical discharging stages.Based on these process parameters,a pilot stage was commissioned for on-site equipment.The results showed that the salt(NaCl)content in the post-stripping crude oil was reduced to 2.87 mg/L and the water content in the oil was reduced to 0.15%,both of which were within the range of industrial standards.Overall,the successful modification of the Napo-Orete-Lapa blended crude oil by electric desalination technology demonstrates its potential as an effective method for enhancing the adaptability of heavy deteriorated thick oils with high water and salt content.

electric desalinationemulsion breakerprocess optimizationinferior crude oil

彭艳、陈宏、孔辰泽、林健、杨琬婷、谭伟红、程丽华、欧阳新平、范钦臻

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华南理工大学 化学与化工学院,广东 广州 510641

广东石油化工学院 化学工程学院,广东 茂名 525000

中国石油化工股份有限公司 茂名分公司,广东 茂名 525000

电脱盐 破乳剂 工艺优化 劣质原油

广东省基础与应用基础研究基金项目广东石油化工学院人才引进项目中国石油化工股份有限公司茂名分公司技术开发项目广东粤首新科技有限公司科研攻关项目

2020A15150104782019rc01331750000-21-ZC0607-0024H20210153

2024

广东石油化工学院学报
广东石油化工学院

广东石油化工学院学报

影响因子：0.2
ISSN：2095-2562
年,卷(期)：2024.34(3)