Paper360 - September/October 2015 - (Page 34)

techlink | INSIDE Peter W. Hart and Ricardo WWW B. Santos PULPING 361 Yuan, Guijin Wang, Hongyou Daliang Guo, Zhaoqiu Zhou, Wu Xiuli Yin, and Chuangzhi 373 LI Q U Understanding coating strength at the molecular and microscopic level Alam, Martti Toivakka, Parvez Farid Touaiti, Anniina Oravilahti, Knuutinen, Tuomas Oravilahti, Juha Pahlevan, Robert Nilsson, Mahdi Wilen Mia Ahokas, and Carl-Eric RECOVERY BOILER G US ING IND * *** * 19 1 5- 2 0 1 5 ** * * ** YEAR 100 S RVICE SE * *** ** *** Jens k, Anna Marta Bialiel Ahlroth and Mika INDUSTRY ***1 9 1 5- 2 0 1 7 . 14 NO. 5 | VOL JULY 201 1 ENTS 42 CESS ELEM rding NONPRO lenges rega New chal ss elements in the nonproce lime cycle en, liquor and 5* ** 431 ng to eliminati SCALING um approach A practicalum carbonate - sodi r rapid sodi ing in black liquo sulfate scal s ator concentr erick and ) Fred W.J. (Jim Euhus Daniel D. 441 ATION EVAPOR n-lean ion of ligni Evaporat r n, black liquo Andersso mo, Ulf in Wimby Henrik Wall rdon, and Mart Gou Mathias 451 461 Ray Gorog, W.Kevin Davis J. Peter g, and David Wan 474 els and LIME KILN cofiring biofu ation Impact of on lime kiln oper Tran fossil fuels José Vicente Flávio Marcelo Correia, Aparecida Hallak d'Angelo, and Sueli Mingoti WASTEWATER TREATMENT OF RCE LIME KILN as tools to on type r modeling Compute the impact of fuel kilns estimate g of lime city ratin Leary, the capa 395 liquor A novel approach to white control in a continuous digester y using the Box-Jenkins methodolog to predict chip bulk density Y *** ** OU ICA L RES , Liming Zhao i Mak Kirsten Eric Jin, Markus Bussmann, and Honghi Tran INDUSTR OF TEC HN ER RY BOIL nRECOVE viors of ligni ion beha Combust liquor and lignin k lean blac Tran, and Honghi 385 An experimental study of the smelt-water interaction in tank recovery boiler dissolving PULPING TRI ES' ** COATING ER THE PAP PI.OR KAG AN D PAC RVICE SE Effects of titanium dioxide as direct causticization agent on the pyrolysis and steam gasification characteristics of straw black liquor solid . TA P ** Changing the face of short fiber - a review of the eucalyptus revolution *** 353 FIBER SUPPLY COATING AL JOURN ** NO. 6 JUNE 2015 | VOL. 14 AL RESOURC E YEARS 100 JOURNAL TECHNIC NG INDUSTR IES' THE PAPER AND PACKAGI O S 14 FE R P A In C E 2 T te rn 014 URIN YC C I ati G on PEE RES LE AL R al E Ch S C A RC CO em on H F N ica fere RO TE l R nc M T N ec e a HE: T ov n er d yC on fe re nc e ORG 20 W W W. TA P P I . and Manning Richard Honghi 481 LIME MUD t of free lime men Measure lime mud and content in 405 Upgrading aeration system basins performance in secondary treating pulp and paper wastewater: A review Ren, Mao, Wei Xiaosong Tran Honghi 491 l ION less stee CORROS lay ferritic stain Duplex andgs versus weld over nsheet linin metallic corrosio r and othe barriers resistant Sackellares, J. Palumbo, P. Cyr, R. and P. Wiegand Bennett David C. TJ SUMMARIES THE PAPERS SUMMARIZED HERE are from the June 2015 issue of TAPPI Journal and the July 2015 issue featuring special liquor cycle content from the 2014 PEERS and ICRC conferences. TAPPI Journal is an online publication of relevant and timely peer-reviewed research delivered via email and free to all TAPPI members. To receive TAPPI Journal, join TAPPI at www.tappi.org. JUNE RECOVERY BOILER An experimental study of smelt-water interaction in the recovery boiler dissolving tank Eric Jin, Markus Bussmann, and Honghi Tran A laboratory apparatus was constructed to simulate the operating conditions of recovery boiler smelt dissolving tanks and used to systematically study the interaction between molten smelt droplets and water. Experiments were performed on synthetic smelt made of 80 34 wt% Na2CO3 and 20 wt% NaCl at 800°C, 900°C, and 1000°C. The results show that upon contact with water, some smelt droplets explode immediately and break into small pieces, some require a delay time to explode, and others solidify without exploding. The probability of explosion strongly depends on water temperature and, to some extent, smelt temperature. WASTEWATER TREATMENT Upgrading aeration system performance in secondary basins treating pulp and paper wastewater J. Palumbo, P. Cyr, R. Sackellares, and P. Wiegand This paper provides an introductory resource for understanding and addressing the complexities often associated with achieving an optimal aeration system upgrade. Relevant aeration and mixing science fundamentals and commonly employed aeration technologies are summarized and reviewed. The application of wastewater treatment computer models is examined as it pertains to aeration system design and operation. Recommendations for aeration system upgrade projects include specific information needs, potential resource requirements, general model selection guidance, and discussion of potential model application methodologies. Paper360º SEPTEMBER / OCTOBER 2015 Understanding coating strength at the molecular and microscopic level Martti Toivakka, Parvez Alam, Farid Touaiti, Anniina Oravilahti, Tuomas Oravilahti, Juha Knuutinen, Robert Nilsson, Mahdi Pahlevan, Mia Ahokas, and Carl-Eric Wilen Experiments and numerical simulations were used in this study to better understand the microscopic and molecular level interactions between the latex-binder and dispersant-covered coating pigments used in paper coating. Micromechanical simulations were carried out to identify the microstructural variables most influential to strength. Several new pigment dispersing agents were synthesized with the reversible addition-fragmentation chain transfer copolymerization technique, and their dispersing effect and influence on dry and wet strength of pigment coating were evaluated. Molecular level interactions between binders, coating pigments and various functional groups used in the dispersants were studied with molecular modeling. Furthermore, dynamic mechanical thermal analysis was used to examine the influence of both commercial and novel dispersants on the pigment-latex interactions. PULPING A novel approach to white liquor control in a continuous digester using the Box-Jenkins methodology to predict chip bulk density Flávio Marcelo Correia, José Vicente Hallak d'Angelo, and Sueli Aparecida Mingoti This research proposes a new approach using the Box-Jenkins methodology to develop a dynamic model for predicting chip bulk density. Industrial data were gathered on 1,948 observations over a period of 12 months from a Kamyr continuous digester www.tappi.org http://WWW.TAPPI.ORG http://WWW.TAPPI.ORG http://www.tappi.org http://www.tappi.org

Table of Contents for the Digital Edition of Paper360 - September/October 2015

Setpoint
Over the Wire
Stora Enso Ostroleka PM5 Proves Less Is More
Valmet’s Strategy Combines Process Technology, Automation and Services
Doubletree Paper Upgrades Its Water Treatment System
WEIG-Karton Achieves Results With Web Inspection at Former and Press Section
Wants vs Cans
Rotary Press Compacts Sludge to Cake
TAPPI Journal Summaries
Foreign Exchange and the Pulp and Paper Industry
Consolidation Watch
Knowledge Builder
Association News
ASPI News
Online Exclusives
Index of Advertisers

Paper360 - September/October 2015

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