Results 71 to 80 of about 3,127 (199)

Material Cycles and Chemicals: Dynamic Material Flow Analysis of Contaminants in Paper Recycling [PDF]

open access: yes, 2016
This study provides a systematic approach for assessment of contaminants in materials for recycling. Paper recycling is used as an illustrative example.
BIR   +18 more
core   +2 more sources

Deinking of different furnishes of recycled MOW, ONP, and OMG pulps in silicate-free conditions using organic complex of PHASS [PDF]

open access: yesBioResources, 2013
Sodium silicate causes problems in papermaking such as deposit formation, decreased retention, and lower sheet strength. Due to these problems, chemical deinking of different recycled papers furnishes including 100% ONP, 80% ONP, and 20% OMG, and a ...
Iman Akbarpour   +2 more
doaj  

Mechanical and morphological characteristic investigations of deinked used newsprint paper via ultra-sonochemistry method

open access: yesJurnal Natural, 2020
Printed newspaper is one of the print-based media published daily in large quantities. The focus of this research is to remove the ink from used newsprint with alkaline treatment by using ultrasound sonochemistry method.
SAHARMAN GEA   +4 more
doaj   +1 more source

Valorization of Waste Streams from Deinked Pulp Mills through Anaerobic Digestion of Deinking Sludge

open access: yesBioResources, 2017
Based on the results of this study, a total energy amount of 3,111 TJ/year can be produced from the anaerobic digestion of deinking sludge (DS) arising from German deinked pulp mills, which can then be used to replace up to 5% of the total energy demand for those mills.
Friedrich Steffen   +3 more
openaire   +2 more sources

Penghilangan Tinta Kertas Koran Bekas Dalam Pembuatan Papan Komposit Plastik [PDF]

open access: yes, 2015
The objective of this research were to evaluate the effect of paper deinking on physical and mechanical properties of plastic composite board (fiber plastic composite). Deinking process using detergents with a concentration of 0%, 10%, 15%, 20%, and 25%.
Hakim, L. (Lutfhi)   +2 more
core  

Bacterial xylanases: biology to biotechnology [PDF]

open access: yes, 2016
In this review, a comprehensive discussion exclusively on bacterial xylanases; their gene organization; different factors and conditions affecting enzyme yield and activity; and their commercial application have been deliberated in the light of recent ...
Alok Kumar Srivastava   +6 more
core   +1 more source

Similitude Analysis for Gas-Liquid-Fiber Flows in Cocurrent Bubble Columns [PDF]

open access: yes, 2006
Gas-liquid-fiber systems are different from conventional gas-liquid-solid systems in that the solid material (i.e., fiber) is flexible, has a large aspect ratio, and forms flocs or networks when its mass fraction is above a critical value.
Heindel, Theodore   +2 more
core   +3 more sources

Ofis Kağıtları Üzerindeki Mürekkep Giderme İşleminin Taramalı Elektron Mikroskobu ile Analizi

open access: yesDüzce Üniversitesi Bilim ve Teknoloji Dergisi, 2015
Bu çalışmada, yüzdürme metoduna göre mürekkep giderme işlemi uygulanmış baskılı ofis kâğıtları üzerinde taramalı elektron mikroskobu (SEM) ile görüntü analizleri yapılmıştır. Bu işlem için öncelikle bazı kimyasallar ile enzimler kullanılmıştır. Çalışmada
Arif Karademir   +2 more
doaj  

The deinkability improvement of offset prints made from a two-side coated substrate [PDF]

open access: yesBioResources, 2013
This paper describes the improved removal of impurities (coating, ink/toner) from offset prints produced by digital printing of two-side coated paper. The substrates were printed by conventional and digital offset processes.
Zeljka Barbaric-Mikocevic   +2 more
doaj  

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