Sodium salt scaling in black liquor evaporators PDF Download
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Author: Mathias Gourdon
Publisher:
ISBN: 9789173853545
Category :
Languages : en
Pages : 97
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Author: Mathias Gourdon
Publisher:
ISBN: 9789173853545
Category :
Languages : en
Pages : 97
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Book Description
Author: Jason Berndt Smith
Publisher:
ISBN:
Category : Wood-pulp industry
Languages : en
Pages : 816
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Author: Jason B. Smith
Publisher:
ISBN:
Category : Chemical engineering
Languages : en
Pages : 7
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Author: Michael Nwaeri
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
The evaporation of black liquor is an important, energy intensive unit operation in the kraft chemical recovery process. Between 50 and 85% dry solids, black liquor evaporators are susceptible to heavy sodium salt scaling leading to reduced heat transfer efficiency. Recent mill experiences indicate that the addition of small amounts of resin and fatty acids (RFA) containing streams (tall oil soap, tall oil brine) to the concentrators can reduce sodium salt scaling. The underlying mechanism for this is unknown, which limits broader application and control. In this work we validate a gas chromatography mass spectrometry method for RFA determination and use model solutions of sodium salts in a bench-top scaling setup to investigate the impact of RFA on sodium salt scaling. The results show that low concentrations of abietic acid and oleic acid can inhibit sodium salt scaling during nucleation and in the presence of a stable crystal population.
Author: Ladislav Novak
Publisher:
ISBN:
Category :
Languages : en
Pages : 322
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Author: Erik Karlsson
Publisher:
ISBN: 9789175975337
Category :
Languages : en
Pages :
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Author: Zahid Amjad
Publisher: Elsevier
ISBN: 0444627529
Category : Technology & Engineering
Languages : en
Pages : 785
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Book Description
Mineral Scales and Deposits: Scientific and Technological Approaches presents, in an integrated way, the problem of scale deposits (precipitation/crystallization of sparingly-soluble salts) in aqueous systems, both industrial and biological. It covers several fundamental aspects, also offering an applications’ perspective, with the ultimate goal of helping the reader better understand the underlying mechanisms of scale formation, while also assisting the user/reader to solve scale-related challenges. It is ideal for scientists/experts working in academia, offering a number of crystal growth topics with an emphasis on mechanistic details, prediction modules, and inhibition/dispersion chemistry, amongst others. In addition, technologists, consultants, plant managers, engineers, and designers working in industry will find a field-friendly overview of scale-related challenges and technological options for their mitigation. Provides a unique, detailed focus on scale deposits, includes the basic science and mechanisms of scale formation Present a field-friendly overview of scale-related challenges and technological options for their mitigation Correlates chemical structure to performance Provides guidelines for easy assessment of a particular case, also including solutions Includes an extensive list of industrial case studies for reference
Author: Cumali Kalkan
Publisher:
ISBN:
Category : Evaporators
Languages : en
Pages : 374
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Author: Aydin Suren
Publisher:
ISBN:
Category : Wood-pulp
Languages : en
Pages : 268
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Author: Jim Frederick
Publisher:
ISBN: 9781595102799
Category :
Languages : en
Pages : 0
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Book Description
