Bruno G. Diaz and Francisco M. Benavides 1. Introduction Concrete is the most widely used construction material in the world. Approximately 10 billion tons of concrete are produced each year. On average, 15% by weight of concrete is cement, and each metric ton of cement produced generates 900 kg of CO2, making cement production […]
Russell Reimer and Francisco M. Benavides 1. Introduction Granulated Blast Furnace Slag (GBFS) contains a high level of moisture, it is hard to grind and very abrasive.2 Natural pozzolans may not be as hard to grind as GBFS but may contain high moisture levels and be abrasive.2 Both of these materials require grinding systems designed […]
Antonio J. Benavides and Francisco M. Benavides Determining the Discount Rate to Use in Calculating the Present Value of Future Cash Flows The most common way to assess the economics of a project is the discounted net present value (NPV) of cash flows. Before budgeting a new project, a company must assess the overall level […]
Development of a minerals processing facility is complex and requires extensive planning and due diligence. The focus generally goes into the technology to be utilized and the engineering for the project…Read More
Development of a minerals processing facility is complex and requires extensive planning and due diligence. The focus generally goes into the technology to be utilized and the engineering for the project. However, it is important to fully understand the physical and chemical properties of the mineral resource to be utilized and how it relates to […]
Systems to control Nitrogen Oxides (NOx) in Coal Fired Power Plants Dr. Prasanna Seshadri, PhD, Energy Engineering ABSTRACT Commonly referred to as NOx, Nitrogen oxides are one of the primary pollutants emitted by high temperature combustion systemssuch as pulverized coal (PC) fired boilers. Due to its role in both acid rain and ozone formation, NOx […]
