Results 31 to 40 of about 15,534 (146)
PULP AND PAPER PROPERTIES OF EUCALYPTUS MICROTHECA GROWN IN SOUTHERN REGION OF IRAN [PDF]
In this study, anatomical, physical, pulping and paper making properties of Eucalyptus microtheca grown in Farse province is investigated. Eight trees were sampled for this study.
Abbas Fakhryan roghani +2 more
doaj +1 more source
This paper presents a preliminary study for the production of dissolving pulp from Trema orientalis (Nalita). Water prehydrolysis kraft and soda-ethylenediamine (EDA) pulping for the production of dissolving pulp from T.
M. A. Quaiyyum +3 more
doaj
Comparison on the characteristics of Salix nigra Kraft and Soda pulp and paper [PDF]
In this study pulp and hand sheets paper characteristics of Salix nigra wood kraft and soda pulp and paper were investigated. Average density of dry and bulk density wood were determined 0.35 and 150 kg/m3 and average fiber dimension consist of fiber ...
Lila Karami motaghi +2 more
doaj +1 more source
Bleaching of radiata pine Kraft pulp with the EnZone process
Abstract Oxygen delignified Kraft pulps from radiata pine were treated with xylanase in the presence of a quelating agent prior to their chemical bleaching with the sequences WZEOPP, EPWZP and EOPWZP. Enzymes tested included Cartazyme from Sandoz, Ecopulp from Alko-ICI, Irgazyme 40 from Ciba-Genencor and Pulpzyme HB from Novo Nordisk.
VICUÑA-ERRAZURIZ, JOSE +2 more
openaire +4 more sources
Kraft mills have the potential to pre-extract hemicellulose from wood as another value added product. The impacts of pre-extracting xylan on pulp and handsheet properties, sodium and sulfur balances, and chemical make-ups in the kraft pulping process of ...
Andre J. Joubert +2 more
doaj +1 more source
Utilization of sodium borohydride (NaBH4) in kraft pulping process.
Aim of this study is to investigate the effect of adding sodium borohydride (NaBH4) in kraft pulping. First of all, six kraft cooks were carried out for varying active alkali and sulfidity. Then, kraft methods for K1 and K6 cooks were modified by adding 1, 2 and 3% NaBH4.
İstek, Abdullah, Gonteki, Erdem
openaire +4 more sources
Effects of a Chitosan Coating Layer on the Surface Properties and Barrier Properties of Kraft Paper
Biodegradable chitosan can be applied as a coating on the surface of kraft paper in order to improve its barrier properties against water vapor and air.
Shanhui Wang, Yi Jing
doaj +1 more source
Kraft pulping is one possible pretreatment for softwood to economically produce bioethanol. This work evaluates the techno-economic potential of using the kraft process for producing bioethanol from softwoods in a repurposed or co-located kraft mill ...
Shufang Wu +3 more
doaj +1 more source
Dissolving Pulp (alpha-cellulose) from Corn Stalk by Kraft Process [PDF]
Corn stalk can be used as an alternative non-wood raw material to produce cellulosic dissolving grade pulp. In this work, the potential of corn stalk in the production of dissolving pulp (alpha-cellulose) was investigated.
doaj
Hibiscus cannabinus, Hibiscus sabdariffa, and Cannabinus sativa, which are renewable non-woody fiber resources having characteristics similar to that of softwood (bast fibers), when used together with hardwood (core fibers), gave higher pulp yield with ...
Dharm Dutt, J. S. Upadhyaya, C. H. Tyagi
doaj

