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Filtering by: Subject Sulphate pulping process -- Florida Degree Level Doctoral

Chemical equilibrium of nonprocess elements in the kraft recovery cycle

Creator:

Streisel, Robert C.

Abstract:

Non-process elements are present in all kraft recovery systems. Non-process elements are defined as those elements which are not essential to the chemical process, i.e., are neither active pulping chemicals (e.g., NaOH and Na₂S in the kraft process), nor compounds present as a result of incomplete conversion of makeup chemicals...

Resource Type:

Dissertation
Kinetic and equilibrium analysis of metal ion adsorption onto bleached and unbleached kraft pulps

Creator:

Yantasee, Wassana

Abstract:

Most metal ions have negative impacts on pulp mill operations. The concentrations of metal ions on pulp fibers and in washwaters rise significantly with increased wastewater recycling. The development of technology to remove these metal ions requires an understanding of how metal ions are bound to pulp components. It is...

Resource Type:

Dissertation

Full Text:

the pulping and bleaching process [34]. The porosity and pore distribution of wood pulp fibers has