Sciences

The Potential Use of Micro- and Nanofibrillated Cellulose as a Reinforcing Element in Paper

The Potential Use of Micro- and Nanofibrillated Cellulose as a Reinforcing Element in Paper

RÉSUMÉ

The use of nanofibrillar cellulose as a reinforcement agent in paper has been evaluated on a high-speed pilot paper machine. Using mill pulp and mill process waters, two different grades of nanocellulose were tested at 1% and 2% addition levels together with 1% of cationic starch. The results indicate significant increase in tensile strength, enabling up to 8 g/m2 grammage reduction. Paper had a slightly lower scattering coefficient and lower air permeability.

 

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The LignoForce system™: A New Process for the Production of High-quality Lignin from Black Liquor

The LignoForce system™: A New Process for the Production of High-quality Lignin from Black Liquor

RÉSUMÉ

Lignin can be precipitated and recovered from Kraft black liquor (BL) through the addition of an acidifying agent such as carbon dioxide, followed by filtration and...

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Near-neutral final chlorine dioxide brightening theroy and practice

Near-neutral final chlorine dioxide brightening theroy and practice

RÉSUMÉ

It is well known that pH affects the effectiveness of chlorine dioxide treatment, but the standard recommendation has been to maintain a poststage pH range for brig...

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Distribution of optical brightening agent (OBA), in the fibre wall of high-yield and kraft pulps

Distribution of optical brightening agent (OBA), in the fibre wall of high-yield and kraft pulps

RÉSUMÉ

An aspen High-yield pulp (HYP) was fractionated and processed with Optical Brightening Agents (OBA), and their UV fluorescent images were taken using the fluorescen...

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Towards a commercial production of phage-based bioactive paper

Towards a commercial production of phage-based bioactive paper

RÉSUMÉ

Detection and disabling of harmful bacteria such as Escherichia coli (E.coli), Listeria, and Salmonella is of great importance to control disease apparition in air,...

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