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Why be energy efficient?

A bulldozer moves wood chips ready for processing. Photo by monkeyc.net

A bulldozer moves wood chips ready for processing. Photo by monkeyc.net

There is a strong business case for investing in energy efficiency in the pulp and paper sector.1 Energy constitutes as much as 15% of total operating costs2, so energy efficiency improvements can make a significant difference to the bottom line. Investing in energy efficiency can also yield benefits from reduced water and associated chemical use, improving energy and water security for the plant and building goodwill in the regional communities in which companies operate.

Opportunities

Since 1990, energy intensity in this sector has improved from around 23 GJ/tonne to 17 GJ/tonne of paper products manufactured.3 Nevertheless, additional energy efficiency opportunities exist within the core processes of papermaking.

See all opportunities in Pulp and Paper Manufacturing

Paper and pulp mill energy efficiency can be further improved by plant wide opportunities, such as ensuring there are effective shut down procedures to reduce unnecessary energy overheads when production is stopped.

Case studies

  • Pulp and Paper Industry Energy Bandwidth Study 2006 (Opens in a new window)
    • American Institute of Chemical Engineers
    • PDF 1.4 MB

    This study developed for the US Department of Energy’s Industrial Technologies program analyses how much energy could be saved if more efficient technologies were employed. Bandwidth analysis seeks to quantify the differences between current energy consumption levels, state of the art energy use and practical and theoretical minimums at a process level.

  • Amcor Fibre Packaging Plant Scoresby 2009 (Opens in a new window)

    Amcor invested in its steam system by improving combustion controls, modulating burners, and adding a variable speed air supply as well as a flash steam heat recovery system. This provided a simple payback period of 3.8 years, saving 6% of total site gas use.

Key resources

Footnotes ~ Show 3 footnotes

  1. Kramer, K., et al. (2009) Energy Efficiency Improvement and Cost Saving Opportunities for the Pulp and Paper Industry (Report No. LBNL-2268E), Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, CA (Opens in a new window) PDF 2.3 MB
  2. Simpson, R (2004) How does Amcor Botany Mill continue to achieve Energy Savings? (Opens in a new window) PDF 124 MB
  3. Australian Plantation, Timber Products and Paper Council. Prime Minister’s Task Group on Energy Efficiency – Submission to Issues Paper.