نتایج جستجو برای: supercritical drying

تعداد نتایج: 34287  

2012
Liejin Guo Changqing Cao Youjun Lu

With the exhaustion of fossil fuels and the severe pollution of the environment, it’s urgent to find substitute renewable energy resources. Biomass is a kind of widespread and abundant renewable resource with lower sulfur content than fossil fuels, so the pollution to environment from biomass usage is much slighter than that from fossil fuels usage. Besides, zero emission of CO2 can be realized...

2014
Petar Sabev Varbanov Jiří Jaromír Klemeš Peng Yen Liew Jun Yow Yong Alberto Mian Juliana Queiroz Albarelli Adriano Viana Ensinas Francois Maréchal

The present study investigates the potential conversion of sugarcane into ethanol and synthetic natural gas. The considered conversion path consists in combining ethanol first and second generation ethanol production plant with a catalytic supercritical water gasification system. The main steps of the ethanol conversion consider fermentation of sugars (1G) and enzymatic hydrolysis of bagasse (2...

2013
Lindy Heath Lifan Zhu Wim Thielemans

Chitin nanowhiskers are structured into mesoporous aerogels by using the same benign process used previously in our group to make cellulose nanowhisker aerogels. The nanowhiskers are sonicated in water to form a hydrogel before solvent-exchange with ethanol and drying under supercritical CO2 (scCO2 ). Aerogels are prepared with various densities and porosities, relating directly to the initial ...

2004
Glyn Taylor Mark Gumbleton

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Journal: :Wood Science and Technology 2021

Abstract Drying is a process affecting various wood properties, including its structure, moisture behaviour and mechanical properties. Since waterlogged wooden artefacts usually constitute priceless objects of cultural heritage, understanding the effect drying on complex interactions between ultrastructure resulting properties necessary to ensure their proper conservation. Hence, this was aim p...

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