Plan you week with the help of our 10-day weather forecasts and weekend weather predictions for South Pasadena, CA
Overview of Crude Units. Crude units are the first units that process petroleum in any refinery. There objective is to. separate the mixture into several fractions like naphtha, kerosene, diesel and gas oil. A. schematic diagram of an atmospheric crude fractionation unit is shown in Figure 1-1. Crude. water.
Coca, Cocaine, and Crack. Cocaine is a purified extract from the leaves of the Erythroxylum coca bush. This plant grows in the Andes region of South America. Different chemical processes produce the two main forms of cocaine: 1  Powdered cocaine -- commonly known on the street as coke or blow -- dissolves in water.2  Crack cocaine -- commonly known on the street as crack or rock -- is made by a chemical process that leaves it in its freebase form, which can be smoked.oca, Cocaine, and Crack. Cocaine is a purified extract from the leaves of the Erythroxylum coca bush. This plant grows in the Andes region of South America. Different chemical processes produce the two main forms of cocaine: 1  Powdered cocaine -- commonly known on the street as coke or blow -- dissolves in water.