One of the major concerns faced by the world today is the depletion of conventional energy sources i.e. fossil fuels like coal, oil, and gases and their spiraling cost. In the long run it may pose a serious threat to the survival of an industrial unit and hence it is imperative to find alternate sources of energy as well as to conserve the existing resources and use them efficiently. As industries are major consumers of energy, following are a few tips for energy efficiency in industries.
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Energy audits must be conducted by accredited energy auditors. This helps in calculating the total energy consumption and also in identifying areas where energy efficiency can be increased through various techniques and upgraded processes.
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Energy managers must be appointed to look into matters related to energy consumption in the industrial unit and to find ways to improve energy efficiency.
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The operational efficiency of machines should be reviewed from time-to-time and the quality of raw materials used must be checked for optimal energy use.
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Replace or opt for high efficiency transformers, motors, automatic power factor control, and variable speed controls as they help in efficient use of electricity in industries.
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Installing waste heat recovery systems to recover heat from kilns and furnaces for use in dryers or to heat water saves on heating bills.
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Installing temperature sensors to switch on fans when the water temperature reaches a specified level in the cooling towers can save on electric power consumed.
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Another means of efficient use of electricity would be to modify or install energy saving lighting such as metal halide or sodium lamps and automatic lighting controls.
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Opt for energy saving lubrication technologies, as they can reduce friction. Friction is one of the reasons for increased energy consumption and wear and tear in industries.
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For treatment of organic waste generated in industries like food processing, paper products and oleo chemicals, opt for bio-solutions like composting and bio-degradation methods for quick decomposition and generation of electricity from the biogas released during the process.
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Microbial cleaners which breakdown harmful spills into harmless by products in the presence of water and nutrients do an effective job of breaking down pollutants. This saves on water and energy spent in cleaning up spills on the shop floor.
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Adhere to the energy guidelines and rules outlined by the government as applicable to the industry.
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Replace worn out machines with energy efficient equipment. The additional investment will be paid off by the energy savings in the long run,
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Implement technologies that reduce the emission of green house gases such as carbon dioxide into the environment.
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Set up water treatment plants to recycle used gray water and harvested rain water, to save on water bills.
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