the area of study is located 120 km north-east of shahrood city. in terms of structure and geological classification, this area is located in the northern part of central iran zone. granitoids of troud ranging from monzonite to granite. the main minerals of granitoids are quartz, plagioclase, and orthose. the accessory minerals are biotite, hornblende, sphene, and opaque minerals. various textu...

Telah dilakukan penentuan kadar mineral SiO2, Fe2O3, Al2O3, CaO dan MgO; logam berat Zn, Pb, Cd, Cr Cu; serta distribusi ukuran partikel dari limbah abu terbang (fly ash) batubara industri oleokimia. Penentuan Al2O3 secara gravimetri sedangkan MgO menggunakan metode titrimetri. dengan Spektroskopi Serapan Atom (SSA). Dari penelitian yang didapatkan karakteristik komposisi sampel fly ash berasal...

More and larger blast furnaces have been constructed for ironmaking across the world in recent years due to advantages of high productivity, energy efficiency low cost. Slag plays important role a furnace produce high-quality hot metal maintain smooth operations. Liquidus temperatures are essential information slag avoid formation solid phase during process tapping. The principal components iro...

Dispersif zeminler, dolgu barajların çekirdek yapısında kullanıldığında erozyon hassasiyetlerinin çok yüksek olması nedeniyle içsel erozyona neden olarak bu tür göçmesine olmaktadırlar. Bu zeminlerin tasarım aşamasında belirlenerek inşaatında kullanılmaması gerekmektedir. zeminler; fiziksel (Dağılma deneyi, çifte hidrometre deneyi ve iğne deliği deneyi) kimyasal (Boşluk sıvısının içeriği) deney...

koenenite=[mg7ai4(oh)22]4+.[na4(ca,mg)2ci12]4- , is a typical non-silicate clay mineral of oceanic salt deposits which also widely occurs in salt clay, anhydrite, halite, and potash-bearing rocks. koenenite is found as an undesirable sludge-forming component in the processing of potassium salts . koenenite was first reported, in 1902, as an impurity in a fairly pure halite from the justus! pota...