raw material orientation

Raw materials for the manufacture of cement are limestone, clay and gypsu..

Limestone and clay are the chief raw materials used in the manufacture of Portland cement. Limestone provides calcium oxide. Clay gives silica, alumina and ferric oxide. Note: If lime is in excess, the cement cracks during setting and if it is less, the cement is w..

Silica (in the form of sand) Compounds of alkali metals, like Na 2 CO 3 , Na 2 SO 4 , NaNO 3 , K 2 CO 3 and KNO 3 . Compounds of alkaline earth metals, like CaCO 3 , CaO, BaCO 3 . (for glass with high refractive index) Oxides of heavy metals, like PbO, Pb 3 O 4 Calcium phosphate, Ca..

A dicarboxylic acid e.g.,(Terephthalic acid [HOOC-C 6 H 4 -COOH] in the case of terylene) A dihydric alcohol e.g.,(Ethylene glycol [HO-CH 2 CH 2 -OH] in the case of terylene..

Sodium chloride - NaCl (brine solution) Ammonia - NH 3 Limestone - CaCO 3 (for carbon dioxide supply..

The nitrogen and hydrogen gases used as the raw material in Haber's process are obtained as follows. Nitrogen is obtained from the liquid air and hydrogen from water by electrolysis. Hydrogen may be obtained from water gas (mixture of CO and H 2 ) by Bosch process. Wate..

Forms of biomass listed below may be used along with water. Animal dung Poultry wastes Plant wastes ( Husk, grass, weeds etc.) Human excreta Industrial wastes(Saw dust, wastes from food processing industries) Domestic wastes (Vegetable peels, waste food materials..

Wheat, barley, rice, maize and potatoe..

The table shows the cost of production of a firm. Which of the graphs represents the data in the table? Raw material cost (R) Packing material cost (P) Fixed manufacturing expenses (F) Labor cost (L) 49% 39.5% 11% 0.5% => Figure 1 or Figure 2 or Both Figure 1 and Figur..

The raw materials used and the principle involved are common to both the types of biogas plant..