Journal of Liaoning Petrochemical University
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Environmental Friendly Oil Sludge Treatment Agent for Petrochemical Wastewater
Chen Yu, Yang Jiang, Zhao Xiaolong, Li Shengke
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In order to better deal with the oily sludge produced in the process of oil production, gathering and transportation as well as oil refining, and in line with the current development trend of environment⁃friendly chemicals in the petrochemical industry, it is very important to use environmentally friendly and low toxic and non⁃toxic chemical reagents in the neighborhood of sewage treatment. This paper introduces a new cleaning agent for oil sludge. Compared with the traditional cleaning agent, the new cleaning agent uses natural chemical derivatives (environmental friendly plant solvent is the main component), which has the characteristics of low toxicity, low pollution and high cleaning efficiency. The use temperature is 5~10 ℃ lower than the field use temperature, further reducing the use of energy. Under the synergism of composite cleaning agent, the residual oil rate in the cleaned sludge can be less than 2%, which has a wide and excellent application prospect.
2020, 40 (4): 1-4.
DOI:
10.3969/j.issn.1672-6952.2020.04.001
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Research Progress of Reduce-Viscosity Technology for Heavy Oil by Aquathermolysis Technologies
Rong Qingshan, Li Shengke,Zhang Shuang,Zhao Yue,Cai Yaorong,Shi Yan
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With the decline of conventional crude oil production, the exploitation and application of heavy oil has gradually attracted attention. However, heavy oil with high density, large viscosity and difficult mining is the problem faced by heavy oil production. There are many ways to reduce the viscosity of heavy oil, among which upgrading visbreaking reaction and non-upgrading visbreaking reaction are two important ways to reduce the viscosity of heavy oil. The latter include heating and viscosity reduction, thinning and viscosity reduction, and chemical viscosity reducing and so on. There are two methods for upgrading visbreaking reaction, namely mild thermal cracking and aquathermolysis. The aquathermolysis viscosity reduction technique is a more efficient method of viscosity reduction based on thermal cracking. Under the appropriate reaction conditions and suitable catalyst conditions, the viscosity of heavy crude oil can be greatly reduced, which is a heavy oil mining technology with good application prospects.
2018, 38 (06): 17-20.
DOI:
10.3969/j.issn.1672-6952.2018.06.003