Recently, more attentions have been focused on the exploration of hemicelluloses in the paper industry. In this work, xylan-grafted-polyacrylamide (xylan-g-PAM) biopolymers were synthesized by the graft copolymerization of xylan with acrylamide, and their interaction with fibers was also investigated to improve waste newspaper pulp properties with or without cationic fiber fines. The influences...

Private risk reduction will be socially efficient only when firms are liable for all the damage that they cause. We find that environmental insurance can achieve social efficiency even when two traditional policy instruments--ex post fines and risk management mandates with ex ante fines--do not. Inefficiency occurs with ex post fines, when small firms declare bankruptcy and escape their liabili...

The effect of adsorbed and soluble carboxymethyl cellulose (CMC) on dispersing, dewaterability, and fines retention of pulp fibre suspensions was investigated. CMC was added to a suspension in the presence of electrolytes, causing its adsorption to the fibre surfaces, or to a suspension without electrolytes, so that it stayed in the liquid phase. Both the CMC adsorbed on fibre surfaces and that...

Over the last decade, interoperability appeared as a key enabler towards unlocking the full potential of enterprises, products, processes, and systems. With methods to support their lifecycle, contributing towards removing communication barriers, and fostering a new-networked business culture in industrial domains, Enterprise Interoperability (EI) requires tangible scientific foundations. This ...

Forest conservation efforts through regulatory enforcement routinely failed to prevent large scale deforestation in the Brazilian Amazon. However, a turning point occurred in 2005, when a combination of unfavorable economic conditions and an unprecedented coordinated effort between governmental institutions resulted in a gradual slowdown in deforestation. The continuation of this deforestation ...

Binary granular soil mixtures, as common heterogeneous soils, are ubiquitous in nature and man-made deposits. Fines content particle size ratio two important gradation parameters for a binary mixture, which have potential influences on mechanical behaviours. However, experimental studies drained shear behaviour considering the whole range of fines different ratios scarce literature. For this pu...