Pour Point Depression of Shale Oils by Hydrocracking

Hydrocracking of the oils of Botryococcus braunii to transport fuels.

Hydrocarbon oils of the alga Botryococcus braunii, extracted from a natural "bloom" of the plant, have been hydrocracked to produce a distillate comprising 67% gasoline fraction, 15% aviation turbine fuel fraction, 15% diesel fuel fraction, and 3% residual oil. The distillate was examined by a number of standard petroleum industry test methods. This preliminary investigation indicates that the ...

Cocarcinogenicity of phenols from Estonian shale tars (oils).

Many phenols have carcinogenic activity. The Estonian shale oils contain up to 40 vol % phenols. The promoting activity after initiation of phenols of Estonian shale oils was tested in mice with a single subthreshold dose (0.36 mg) of benzo(a)pyrene. C57Bl and CC57Br mice were used in skin painting experiments. Weak carcinogenic activity was found in the total crude water-soluble phenols recove...

Fish oils for depression?

A 58-year-old man’s condition was stable on a selective serotonin reuptake inhibitor (SSRI) after 3 major depressive episodes in the previous 10 years. He disliked the idea of taking a drug for a long time and at one point took himself off the SSRI and started taking St. John’s wort. However, the reappearance of symptoms of depression soon persuaded him to resume the SSRI. As discussed in a pre...

Mise au point d'une reaction d'hemagglutination proteinique pour la peste

Modeling of the Hydrocracking Reactor by the CESE Method

In this article, the improved space-time conservation element and solution element (CESE) method are used to simulate the dynamic treatment of the hydrocracking reactor. The dynamic model consists of four lumps: vacuum gas oil (VGO), middle distillate, naphtha, and gas which is dissolved by this method. The offered method can solve the partial differential equations caused by the reactions insi...