Electric field purifying process of coal-tar oil
A coal tar, electric field technology, used in tar processing, petroleum industry, through electro/magnetic refining, etc., to achieve the effect of preventing catalyst poisoning, high purification rate, and prolonging operation period
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Embodiment 1
[0029] The coal tar 1 of the present embodiment is low-temperature coal tar, and taking purification of low-temperature coal tar 10kg as an example, its process steps are as follows:
[0030] 1. Preparation of mixed oil
[0031] Inject 7.5ppm of GQ-P5401 demulsifier 4 and 30ppm of QC01·061 demetallizer 5 into 10kg of low-temperature coal tar in the pipeline to make a mixed oil, enter the heater 6 through the pipeline, and heat it to 130°C.
[0032] 2. First-level electrolysis
[0033] The heated mixed oil enters the first-stage mixer 7, the pressure drop before and after the first-stage mixer 7, that is, the mixing intensity is 60KPa, and enters the first-stage electric detachment tank 8 through the first-stage mixer 7, and the first-stage electric detachment tank 8 exchanges The strong electric field intensity of the electric field is 800V / cm, the action time of the strong electric field is 4min, and the electric stripping temperature is 120°C. The primary electric stripping...
Embodiment 2
[0043] The coal tar 1 of the present embodiment is medium-temperature coal tar, and taking the purification of 10kg of medium-temperature coal tar as an example, its process steps are as follows:
[0044] 1. Preparation of mixed oil
[0045] Mix medium-temperature coal tar and hydrogenated oil at a weight ratio of 1:0.12 with a mixing pump 3. Hydrogenated oil is an example of diluent oil 2. Inject 8ppm into 10 medium-temperature coal tar in the pipeline. The model is GQ-P5401 Demulsifier 4 and 35ppm demetallizer 5 of model QC01·061 are made into mixed oil, which enters heater 6 through pipeline and is heated to 140°C.
[0046] 2. First-level electrolysis
[0047] The heated mixed oil enters the first-stage mixer 7, the pressure drop before and after the first-stage mixer 7, that is, the mixing intensity is 65KPa, and enters the first-stage electric detachment tank 8 through the first-stage mixer 7, and the first-stage electric detachment tank 8 exchanges The strong electric ...
Embodiment 3
[0056] The coal tar 1 of the present embodiment is high-temperature coal tar, and taking purification high-temperature coal tar 10kg as example, its process steps are as follows:
[0057] 1. Preparation of mixed oil
[0058] Mix high-temperature tar and hydrogenated oil in a weight ratio of 1:0.15 with a mixing pump 3 in the pipeline, and inject 6ppm of demulsifier 4 of model GQ-P5401 and 26ppm of demulsifier 4 of model QC01·061 into 10kg of high-temperature coal tar in the pipeline The demetallizing agent 5 is made into mixed oil, which enters the heater 6 through the pipeline and is heated to 150°C.
[0059] 2. First-level electrolysis
[0060] The heated mixed oil enters the first-stage mixer 7, the pressure drop before and after the first-stage mixer 7, that is, the mixing intensity is 70KPa, and enters the first-stage electric detachment tank 8 through the first-stage mixer 7, and the first-stage electric detachment tank 8 exchanges The strong electric field strength of...
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