Rice is one of the most consumed cereals in world. From rice processing, bran obtained, and only a part this by-product effectively used. oil can be obtained used as an alternative feedstock for biodiesel production, although few studies exist to support its exploitation. In addition, pretreatment required reduce acidity allow integration conventional industrial process. This work evaluated two...

Concrete hollow blocks (CHB) have an important place in modern building industry, and although the CHB is considered a better alternative to fired bricks from ecological economical points of view, however, its prices are still high, since main cost-factor ordinary Portland cement (OPC). This study mainly focusing on utilization volcanic ash (VA) Jebel Marra as low cost material for CHB. In this...

In spite of excellent corrosion resistance, good ductility and low cost of AISI 316 austenitic stainless steel, the low hardness and poor mechanical charecteristic of material restricts its applicability in several industrial services. To improve upon mechanical properties AlFeCuCrCoNi-WC10 high-entropy alloy coatings were deposited via laser cladding on austentic stainless steel AISI 316 subst...

in today’s dynamic market, organizations must be adaptive to market fluctuations. in addition, studies show that material-handling cost makes up between 20 and 50 percent of the total operating cost. therefore, this paper considers the problem of arranging and rearranging, when there are changes in product mix and demand, manufacturing facilities such that the sum of material handling and rearr...