ore dilution
31Oil shale extraction — is an industrial process in which kerogen mdash;a mixture of organic chemical compounds (including hydrocarbons) found in oil shale mdash;is converted into synthetic crude oil through pyrolysis. In pyrolysis, oil shale is heated in the absence of …
32Clerici solution — is a solution of equal parts of thallium formate (Tl(CHO2)) and thallium malonate (Tl(C3H3O4)) in water. It is a freely flowing, odorless liquid which changes from yellowish to colorless upon decreasing the concentration of the thallium salts. At …
33Radioactive waste — 2007 ISO radioactivity danger logo, designed in part for long term radioactive waste depositories which might survive into a far future time in which all knowledge of the meaning of present common radiation danger symbols and signs has been lost… …
34Portland cement — is the most common type of cement in general usage in many parts of the world, as it is a basic ingredient of concrete, mortar, stucco and most non specialty grout. It is a fine powder produced by Portland cement clinker (more than 90%), a… …
35Separation process — In chemistry and chemical engineering, a separation process, or simply a separation, is any mass transfer process used to convert a mixture of substances into two or more distinct product mixtures, at least one of which is enriched in one or more …
36Kaolin Deposits of Charentes Basin, France — The geological unit called Charentes basin is composed of Eocene and Oligocene deposits, laid above karstic limestone formations of the Campagnien, in the North of the Aquitaine Basin. The kaolin clays of Charentes belong to this mainly… …
37Oxygen — This article is about the chemical element and its most stable form, O2 or dioxygen. For other forms of this element, see Allotropes of oxygen. For other uses, see Oxygen (disambiguation). nitrogen ← oxygen → fluorine ↑ O ↓ …
38Ferndale, California — City of Ferndale   City   Main Street in Ferndale …
39Sulfur trioxide — Chembox new Name = Sulfur trioxide ImageFileL1 = Sulfur trioxide 2D.svg ImageSizeL1 = 120px ImageFileR1 = Sulfur trioxide 3D vdW.png ImageSizeR1 = 120px ImageName = Sulfur trioxide OtherNames = Sulfuric anhydride Sulfan Sulphur trioxide Sulfur… …
40Poopó Lake — Infobox lake lake name = Lake Poopó image lake = Poopo 1991.jpg caption lake = coords= coord|18|33|S|67|05|W|type:waterbody region:BO|display=inline,title location= Altiplano basin countries= Bolivia image bathymetry = caption bathymetry = type …
