Zircon is one of the most important among the heavy minerals occurring in the beach sand along the coastal belt of Bangladesh. The prescnt work attcmpts to make chemical and mineralogical eharaeten7..ation of zircon benelkiated ...

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Spent zinc-carbon dry cell batteries were characterized to identify the potential of recovering metal values from these batteries. Different component plIl1s of ooth new and spenl baTteries of all the five type (AAA, M, ...

Investigation on the structural changes of ceramic insulator materials, with a view to improve their quality, were undertakcn. For this purpose a number of clays were mixed with up to 4 per cent potash feldspar (to reduce ...

Iron-nickel (Fe-Nil alloys are of great commercial interest as thcy possess low thennal cxpansion, soft mab'llctic and widc spectrum of physical properties. Attcmpts have been made to explain the anomalous mechanism of ...

The effects of the process variables on the kinetics of leaching of alumina from discarded high alumina refractory bricks were studied. Sample was powdered and different Sile fractions were obtained using a standard sieve ...

PlaIn carbon at"els of diff",rent C/1lCOOncontent" have been 100- nitrided in the temperature rQngc of 475-sasoc in a 75 HZ: 25 N2 gas mixt~re to ~tudy the eft~ct of carbon on the nature of the layo,'." formaci. during ...

An attempt has been made to produce ductile iron or spheroidal graphite (S.O) iron and to study it" imporlant properties with a view to reducing the import of machinery parts made of S.O. iron. produced miId an ...

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The use of wood dust for reinforcing polymer has already been considerably studied both from a scientific and a commercial point of view over the last decades. Because, these materials are attractive for their reduced ...