Kraft Pulping
The formation of LC and other aromatic end-group structures in O-alkyl-substituted cellulose during kraft pulping conditions
... conventional kraft cooking (high OH − and low HS − ion concentrations) increased the aromatic nature of the end groups and conditions similar to those in the initial phase of super batch cooking (low OH − and high ...
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Sulfite Treatments in RDH and Kraft Pulping
... modified kraft cook increased the yield but no improvement in bleachability was ...modified kraft cook improved the yield, but again no improvement in bleachability was ...in kraft pulping, ...
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Determination of the distribution and reaction of polysaccharides in wood cell walls by the isotope tracer technique VII: Double radiolabeling of xylan and pectin in magnolia (Magnolia kobus DC) and comparison of their behaviors during kraft pulping by radiotracer technique
... Determination of the radioac- tivity of nitrobenzene oxidation products and sulfuric acid hydrolysates of the newly formed xylem indicated that xylan and pectin were l[r] ...
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Sulfuric acid bleaching of kraft pulp III: reactivity of kraft pulping-resistant structures under acidic conditions
... The kraft pulp treated with acidic buffer was then washed with water and placed in a plastic bag again and extracted with aqueous sodium hydroxide solution at 7[r] ...
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Prospects for diodiesel as a byproduct of wood pulping: A review
... spent pulping liquor that remains after the kraft pulping of wood ...spent pulping liquor, commonly called black liquor, is a highly alkaline solution that contains the sodium soaps of rosin ...
22
Manufacturing of Paper by Sulphate (Kraft) Process
... a set time. When the correct delignification has been achieved, the cook is "blown" (the pressure is suddenly released so that the cooked chips disintegrate into fibres). In the continuous process, chips and ...
15
Manufacturing of Paper by Sulphate (Kraft) Process
... a set time. When the correct delignification has been achieved, the cook is "blown" (the pressure is suddenly released so that the cooked chips disintegrate into fibres). In the continuous process, chips and ...
15
The effect of black liquor on rattan waste binderless board (BPB) produced via digestion hot pressing (DHP) process
... In this project, the black liquor of rattan waste was successfully produced using kraft pulping digestion process being used in the rattan waste binderless board production. BBs with four different ...
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On the formation of diphenylmethane structures in lignin under Kraft, soda and EMCC pulping conditions
... soda pulping conditions, was shown to release significant amounts of structures bearing 5,5′ biphenolic hydroxyl groups ...under kraft pulping conditions it is likely that similar reactions, ...
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The influence of heartwood on the pulping properties of Acacia melanoxylon wood
... The pulping wood quality of Acacia melanoxylon was evaluated in relation to the presence of ...and kraft pulping apti- ...composition. Pulping heartwood dif- fered from sapwood in chemical and ...
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Identification Of The Appropriate Pulping Techniques And Optimization Of The Pulping Conditions For The Cymbopogon Nardus And Paspalum Notatum
... best Kraft pulping occurred at the sulphidity of 30% at the total alkali chargeof 20% and cooking temperature of 160°C with the pre-bleached yield ...industries,Kraft pulping of grasses can be ...
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Biodegradation and Bioconversion of Pulping Waste Streams by Paenibacillus glucanolyticus
... the kraft pulping ...during kraft digestion. The results of the kraft process is the solid pulp (primarily cellulose) which is used to make number of products including paper, and the liquid ...
172
Prospects for maintaining strength of paper and paperboard products while using less forest resources: a review
... the kraft pulping process, the operations cannot benefit from the fuel value obtained by the combustion of lignin and other organics in spent pulping ...
130
Importance of cellulosic fines relative to the dewatering rates of fiber suspensions
... Particle size distributions of the kraft pulp fines, based on laser light diffraction, are given in Fig. 4. As shown, the primary fines had a bimodal distribution. By contrast, the secondary fines were unimodal, ...
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Is Globalization Detrimental to CO2 Emissions in Japan? New Threshold Analysis
... The evidence of increasing carbon emissions linked to economic growth and energy consumption were first established in the seminal paper of Kraft and Kraft [19], in which they show that [r] ...
24
RETRACTED ARTICLE: Bacterial conversion of depolymerized Kraft lignin
... wood Kraft lignin. Kraft lignin is a complex substrate with high molecular weight making it a difficult sub- strate for direct microbial uptake, and therefore, a previ- ously developed alkaline ...
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Adobe Soil-Lime Bricks Reinforced with Kraft Paper Fibers
... Abstract Residue generation causes significant environmental damages, mainly when there on technology for its treatment and several times end up discarded inappropriately. Several industries sectors have developed ...
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Sulfuric acid bleaching of kraft pulp II: Behavior of lignin and carbohydrate during sulfuric acid bleaching
... Two lignin samples were prepared from the effluents gained after both beech kraft pulp bleaching and red pine kraft pulp bleaching: One is acid lignin, which was pr[r] ...
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'Coming Out' as a Faith Changer: Experiences of Faith Declaration for Arabs of a Muslim Background who Choose to Follow a Christian Faith
... “Coming Out” as a Faith Changer Experiences of Faith Declaration for Arabs of a Muslim background who chose to follow a Christian faith Dr Kathryn Kraft K Kraft@uel ac uk Abstract In the process of co[.] ...
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Bagasse Packaging Board by Cold Soda Pulping Methods
... Bagasse, a sugarcane fibrous residue that remains after crushing the stalks, plays a highly significant role as a raw material for pulp and paper industry. Bagasse was cooked by 4% NaOH in plastic bag at liquor ratio ...
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