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Energy efficiency in economic way 

Energy efficiency in economic way 

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This paper deals with eco issues in bulk materials handling in ports. Solid, free-flowing materials are said to be in bulk. Bulk materials handling is very difficult, because it incorporates all the features of liquids, gasses and mass solids. Energy efficiency, dust emissions in nearby environment, dust explosions, jamming, noise, handling of haza...

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... efficiency means using less energy inputs while maintaining an equivalent level of economic activity or service [6]. An example is the black-box, Figure 4, consideration of energy efficiency in a company in an economic way [7]: The higher costs of pneumatic unloaders are not only caused by the higher power requirement of those machines, but result also from the less averaged capacity and the therefore longer unloading time. A comparison of the similar effective unloaders of screw and chain type shows the cost benefit, caused by the lower power requirement. ...

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... • Indirect costs related to the cleaning of surrounding areas • Contamination of nearby urban areas with many nuisances • Direct or indirect damages to other goods in ports and their installations (Zrnic et al., 2011). This next step is to formulate root definitions. ...
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Currently, many coal-fired powers plants are built to supply electrical energy needs in Indonesia due to relatively inexpensive raw materials and abundant in Indonesia. Handling of coal is mostly done at the power plant using coal handling facilities consisting of ship unloaders, conveyor belts, stock piles, silos or bunkers. The problem that arises in the coal handling facility is dust from coal that fells or hovers in the air so that it can interfere with the environment and health both for workers in the Coal Power and residents around the Coal Power. The purpose of writing this paper is to eliminate the spread of coal dust that arises due to coal handling equipment that is not precise and imperfect. The method used is the Soft System Methodology (SSM), which is a systematic approach used to analyze and solve problems in complex and messy situations. This paper examines the benefits of applying SSM to knowledge management issues in handling coal dust at a power plant. Improvement is done by upgrading coal handling equipment (ship unloader, conveyor belt, stock pile) with the addition of dust suppression, proper sealing system, dust bag, and training to operators on the impact and handling of coal dust and coal handling equipment maintenance, so resulting in a significant decrease in the spread of coal dust, creating a working environment and the environment becomes clean, healthy and safe.