Showing 1 - 10 of 16
The improvement on physical and chemical properties of pulverized biomass from torrefaction is investigated to evaluate the potential of biomass as solid fuel used in boilers and blast furnaces. Three biomasses of bamboo, banyan and willow are considered. The results indicate that when the...
Persistent link: https://www.econbiz.de/10011040486
The properties of biomass can be improved via torrefaction, and torrefied wood is a fuel with the potential to partially replace coal. In this study, raw Cryptomeria japonica (WRaw) is torrefied at 250 (TW250) and 300°C (TW300) for 1h, and then mixed with an anthracite coal to undergo...
Persistent link: https://www.econbiz.de/10011040573
Oxidative torrefaction is a method to reduce the operating cost of upgrading biomass. To understand the potential of oxidative torrefaction and its impact on the internal structure of biomass, non-oxidative and oxidative torrefaction of two fibrous biomass materials (oil palm fiber and coconut...
Persistent link: https://www.econbiz.de/10011040574
A method of producing hydrogen and syngas from the interaction of activated carbon, steam and carbon dioxide is conducted in the present study, where the interaction combines the solution loss reaction and steam gasification reaction. Two important parameters of reaction temperature and...
Persistent link: https://www.econbiz.de/10011040865
Sprays are an important tool for carbon dioxide capture through absorption. To figure out CO2 capture processes in sprays, the gas absorbed by a single droplet under droplet mutual interaction is investigated. In the study, the number density of droplet is in the range of 103–106cm−3. By...
Persistent link: https://www.econbiz.de/10011040892
Three agricultural wastes, consisting of coffee residue, sawdust and rice husk, undergoing torrefaction are investigated to evaluate the potential of biomass as solid fuel. Two different torrefaction temperatures (240 and 270°C) and durations (0.5 and 1h) are considered in the study, and the...
Persistent link: https://www.econbiz.de/10011040982
Pretreatment of lignocellulosic biomass is of the utmost importance for the development of bioethanol because of the abundance and low cost of lignocelluloses. To figure out the hydrolysis characteristics of sugarcane bagasse in a microwave irradiation environment, the biomass is pretreated by a...
Persistent link: https://www.econbiz.de/10011041119
Gasification of torrefied biomass is a promising technique for producing synthesis gas (syngas) of higher quality than has previously been available. In this study, in order to evaluate the potential of the technique, gasification processes for three different materials, which include raw...
Persistent link: https://www.econbiz.de/10011041132
Carbon dioxide captured by single droplets in sprays plays a fundamental role in reducing greenhouse gas emissions. This study focuses on CO2 capture processes in single droplets in alkaline sprays using a numerical method. Three different initial pH values of 10, 11, and 12 in the droplet are...
Persistent link: https://www.econbiz.de/10011041219
Dimethyl ether (DME) has been considered as a potential hydrogen carrier used in fuel cells; it can also be consumed as a diesel substitute or chemicals. To develop the technique of DME synthesis, a bifunctional Cu–ZnO–Al2O3/ZSM5 catalyst is prepared using a coprecipitation method. The...
Persistent link: https://www.econbiz.de/10011041220