摘要
采用水-剂-空气法对胜利油田油泥进行净化处理。通过实验确定最佳实验助剂,考察浆化液中助剂含量、空气量、液固比、浆化时间、温度、搅拌速率等对油收率的影响。结果表明,采用YN-1型助剂,在60℃、浆化液中助剂质量分数为5%、浆化液与油泥质量比(即液固比)为5:1、通入空气量0.4m3/h、浆化时间40min、搅拌速率250r/min的最佳条件下对油泥进行多次平行处理,处理1次后的油收率稳定在92.45%左右。对油泥浆化处理2次,然后用适量60℃的水洗涤处理后的泥,并气浮10min,如此重复2次后泥中的残油量能够达到国家规定的排放标准。
By means of adding hot water,reagent and blowing air,the oily sludge from Shengli oil field is treated and some oil is removed. The optimum auxiliary agent is selected by screening tests, and the experimental conditions including the content of agent in slurry, the amount of air used, the mass ratio of liquid to sludge, slurry temperature and time, as well as stirring speed are investigated. Results show that using YN-1 auxiliary agent under the optimal conditions of an agent content in slurry of 5%, a mass ratio of solution to sludge of 5, a blowing air amount of 0.4 m^3/h, a slurry time of 40 min at 60℃ and a stirring speed of 250 r/min,the oil recovered yield is 92.45% after one treatment. Treating oily sludge twice with this method, then washing with 60℃ water and keeping floatation for 10 min,the residual oil content of the treated sludge can meet the National Standard for discharge.
出处
《石油炼制与化工》
CAS
CSCD
北大核心
2010年第1期62-66,共5页
Petroleum Processing and Petrochemicals
关键词
油泥
浆化
助剂
气浮
oily sludge
slurry
reagent
floatation
