ARCHIVED - Pulp and Paper Industry - Process Integration Specifics
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Serge Bédard, CanmetENERGY
Linnoff March
CETC Number 2003-121 / 2003-09-12
Abstract
Process integration is a very efficient approach to improving the energy efficiency of large and complex industrial facilities. Process integration refers to the application of systematic methodologies that facilitate the selection and/or modification of processing steps, and of interconnections and interactions within the process, with the goal of minimizing resource use. Process integration can be used in new designs, or in existing installations, in order to ensure that energy, water, and raw materials are used optimally. Among process integration techniques, pinch analysis is the most often used.
Since pulp and paper is a water-based industry, it is important to understand the interactions of water and energy, and to ensure that the heat and material balance represents these accurately. Due to the complexities of water systems, it is important, in this type of work, to employ personnel who are both process integration experts and industry specialists.
A key aspect to a successful process integration study in the pulp & paper industry is to get a good understanding of:
- The site configuration
- Local marginal economics (cost of the most expensive steam, electricity, etc., as opposed to their average cost)
- Seasonal heat and material balance
- Impact of different departmental availabilities
To learn more about CanmetENERGY's activities related to industrial systems, visit the Industrial Systems Optimization section of the website.
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