Results 111 to 120 of about 280,068 (258)

Increasing the Hardwood Content on the Furnish by Separate Refining [PDF]

, 1991
Introduction It is an old papermaker\u27s adage that paper is made in the beater. This means that the performance and the physical properties of the paper are determined by the type and the extent of the mechanical action to which the fibers are ...
Finn, David K.
core   +1 more source

Chemical pulping of waste pineapple leaves fiber for kraft paper production

, 2015
The main objective of this study is to evaluate the implementation of acetone as a pulping agent for pineapple leaves. Mixtures of water and acetone with concentration of 1%, 3%, 5%, 7%, and 10% were used.
W. A. Laftah, Wan Abdul Rahaman
semanticscholar   +1 more source

CHARACTERIZATION AND PROPERTIES OF ION EXCHANGERS PRODUCED FROM LIGNIN PRECIPITATED AFTER PEROXYACID PULPING

BioResources, 2008
Pulping of bagasse by one-stage and three-stage peroxyacetic acid was carried out. Characterization of the precipitated lignin from the waste liquor of the pulping process was studied using infrared spec-troscopy.
A. M. A. Nada, Nesrine F. Kassem, Samar H. Mohamed   +2 more
doaj  

Effect of replacing polyol by organosolv and kraft lignin on the property and structure of rigid polyurethane foam

Biotechnology for Biofuels, 2013
Background Lignin is one of the three major components in plant cell walls, and it can be isolated (dissolved) from the cell wall in pretreatment or chemical pulping.
Pan Xuejun, Saddler Jack N
doaj   +1 more source

Low-Molecular-Weight Lignin Recovery with Nanofiltration in the Kraft Pulping Process. [PDF]

Membranes (Basel), 2022
Battestini Vives M, Thuvander J, Arkell A, Lipnizki F.   +3 more
europepmc   +1 more source

Policy vs. Consumer Pressure: Innovation and Diffusion of Alternative Bleaching Technologies in the Pulp Industry [PDF]

In the late 1980s and early 1990s, concern over dioxin in both paper products and wastewater led to the development of techniques that reduced the use of chlorine in the pulp industry. Both regulatory and consumer pressure motivated this change.
David Popp, Nick Johnstone, Tamara Hafner   +2 more
core  

Optimization of ECF bleaching and refining of kraft pulping from olive tree pruning

BioResources, 2012
The aim of the present work was to find an optimum kraft pulping process for olive tree pruning (OTP) in order to produce a bleachable grade pulp of Kappa number about 17.
A. Requejo, Alejandro Rodríguez, J. Colodette, J. L. Gomide, L. Jiménez   +4 more
semanticscholar   +1 more source

Substituting Wood with Nonwood Fibers in Papermaking: A Win-Win Solution for Bangladesh [PDF]

Bangladesh is facing an acute shortage of fibrous raw materials for the production of pulp and paper. On the other hand, the demand for paper and paper products is increasing day by day.
A. F. M. Ataur Rahman, Bernhard G. Gunter, M. Sarwar Jahan   +2 more
core  

Office paper recyclability: first recycling [PDF]

, 2014
Paper recyclability implies in the paper capacity to be recycled maintaining its properties to the maximum. Four commercial papers from Argentina and Brazil were studied, including three eucalyptus kraft (A, B, C) and one sugar cane bagasse soda-AQ (D ...
Area, Maria Cristina, Benitez, Julieta Beatriz, Felissia, Fernando Esteban, Koga, Mariza E. T., Otero D'Almeida, Maria L., Park, Song W.   +5 more
core  

A importância relativa da densidade da madeira e do teor de carboidratos no rendimento de polpa e na qualidade do produto

Ciência Florestal, 2008
The purpose of this study was to evaluate basic density, chemical composition and fiber dimensions of ten Eucalyptus sp wood samples and to verify the impact of this set of parameters and their combination on the Kraft pulping process yield and on ...
Alfredo Mokfienski, Jorge Luiz Colodette, José Lívio Gomide, Ana Márcia M. Ladeira Carvalho   +3 more
doaj