Title
Refining of bamboo long fiber fraction pulp: effects on wet web and dry strength properties of paper
Authors
NISHI K. BHARDWAJ

Received June 19, 2018
Published Volume 53 Issue 1-2 January-February
Keywords bamboo pulp, long fiber, refining, wet web strength, water retention value, dry strength

Abstract
Papermakers are encouraged to use non-wood fibers for a variety of reasons although there is less knowledge on how to treat non-wood fibers. The papermaking process, machine runnability and paper quality are significantly affected by the mechanical treatment of fibers known as beating or refining of pulp. Paper machines with higher production rates tend to have higher downtime because of paper breaking. Energy savings and the desired paper properties can be obtained by choosing appropriate refining process conditions. The laboratory studies reported here aimed at understanding the behavior of unbleached bamboo long fiber fraction pulp upon refining in an Escher Wyss Laborefiner under simulated process conditions, which included the investigation of important parameters, such as wet web tensile, wet web elongation, water retention value and paper strength properties. The paper describes the influence of two specific edge loads, 1000 and 1500 Ws/km, on pulp refining. Bamboo long fiber fraction pulp responds better to lower intensity refining, in terms of pulp strength.