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Monday, 16 August 2010 |
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Dear Members:
Here is the August 2010 edition of the PAPTAC News, featuring the latest from your Association.
Click: PAPTAC News August 2010
Thank you for your continued interest in PAPTAC's activities!
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Tuesday, 10 August 2010 |
PaperWeek Canada - The Annual Conference of the Canadian Pulp and Paper Industry, will take place February 1-3, 2011 at the Fairmont Queen Elizabeth Hotel in Montreal (Québec) Canada.
Click: Call for Papers - Technical Program
A special Forest Biorefinery Symposium will also be held in conjunction with PaperWeek Canada.
Click: Biorefinery Symposium Call for Communications
Further details and information will be available shortly.
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Last Updated ( Monday, 16 August 2010 )
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Tuesday, 03 August 2010 |
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TO ACCESS FULL PAPERS (member access required):
Once logged-in – Main Menu/Publications and Standards/On-line Docs/Peer-Reviewed Tech. Papers
INTRODUCING A NEW DECISION TOOL USING MPC FOR THE PRODUCTION LINE EVOLUTION
The decision tool presented in this paper links management decisions to production optimization. It identifies the possible lacks of flexibility (physical limitations) and/or agility (unsuitable dynamics) of either product, process or production parameters (PPP) in a production environment that is under the influence of some global turbulence factors and for which profitability objectives have to be maintained. If need be, a particular evolution scenario could be proposed to maintain strategic level targets. In this context, flexibility and agility act as performance measures and quantitative definitions using DCS (Distributed Control System) data are proposed in the paper. A description of the strategy’s implementation, which uses Model Predictive Control (MPC), and some results are presented.
ON-LINE DETERMINATION OF GREEN-LIQUOR REDUCTION EFFICIENCY AND TOTAL TITRATABLE ALKALI USING FOURIER-TRANSFORM-NIR SPECTROMETRY
In this paper, we describe the use of Fourier-transform Near-Infrared spectrometry (FT-NIR) for on-line measurement of green liquor compositions, such as TTA, EA, carbonate, sulphide, sulphate, thiosulphate, and reduction efficiency (RE) in raw green liquor. The technical feasibility of using this analyzer as an on-line monitoring system for dissolving tank TTA control as well as for reduction efficiency monitoring has been demonstrated during normal mill operation as well as for simulated upset conditions. FT-NIR data for TTA has tracked well with dissolver density values. In addition, FT-NIR reduction-efficiency data has been correlated to changes in black-liquor solids content, primary air flow and black-liquor firing rate. Online TTA control could help stabilize TTA which will stabilize recaust operations. The ability to monitor reduction efficiency online will provide operators with better understanding of boiler conditions that lead to “poor” conditions with high TRS and dead-load. |
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Last Updated ( Tuesday, 03 August 2010 )
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Tuesday, 27 July 2010 |
New Job Posting - Alberta Newsprint, Whitecourt, AB
Please click on link: http://www.paptac.ca/index.php?option=com_jobline&Itemid=197&task=view&id=21
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Last Updated ( Wednesday, 28 July 2010 )
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Tuesday, 13 July 2010 |
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Dear Members:
Here is the July 2010 edition of the PAPTAC News, featuring the latest from your Association.
Click: PAPTAC News July 2010
Thank you for your continued interest in PAPTAC's activities!
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Wednesday, 07 July 2010 |
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Dear PAPTAC members,
We are pleased to provide you with PAPTAC's Year-in-Review 2009, the Association's Annual Report:
Year-in-Review 2009
In our ongoing efforts to respond to member needs, please do not hesitate to contact us with your feedback and comments.
Respectfully submitted,
Greg Hay, Executive Director
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Last Updated ( Wednesday, 07 July 2010 )
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