What is alumina?

Some articles on alumina:

Alpart
... Alumina Partners of Jamaica, also known as Alpart, is a company that owns and operates a bauxite refinery in Nain, Jamaica ... Alpart exports 1.65 million tonnes of alumina overseas per year, and earned gross revenues of US$1.3 billion in 2007 ... in Alpart, wholly owned by RusAl the refinery has paused operations due to the company's alumina product experiencing a drastic 60 per cent price reversal since July 2008 with the temporary ...
Mining Industry Of Russia - Mineral Resources - Metals - Aluminum
... controlled all Russian aluminum, alumina, and bauxite production enterprises ... of aluminum and alloys and to modernize the Nikolayev Alumina refinery in Ukraine to increase output to 1.6 Mt/yr of alumina ... RUSAL also planned to continue to expand production capacity at the Achinsk alumina refinery, increasing its output to 1.1 Mt/yr of alumina ...
Aluminium In Russia - History - 1930s
... In 1938, the 40,000 Mtpa Tikhvin Alumina Refinery was put into operation (today known as the Boxitogorsk Alumina Refinery), and in 1939 the Uralsk Aluminium and Alumina Complex was ...
Chemical Vapor Infiltration
... infiltration is widely used as a means of fabricating Ceramic Matrix Composites (CMCs) such as alumina/alumina (alumina fiber reinforced alumina), in which a chemical vapor consisting of AlCl3-H2-CO2 is deposited ...
Amorphous Silica-alumina
... Amorphous silica alumina is a synthetic substance that is used as a catalyst or catalyst support ... of ways for example Precipitation of hydrous alumina onto amorphous silica hydrogel Reacting a silica sol with an alumina sol Coprecipitation from sodium ... Some of the alumina is present in tetrahedral coordination as shown by NMR studies 29Si MASNMR and 27Al NMR Amorphous silica-alumina contains sites which are termed Brønsted acid (or protic ...