نتایج جستجو برای: slow pyrolysis
تعداد نتایج: 119429 فیلتر نتایج به سال:
Three lignins: Indulin AT, Lignoboost, and Acetocell lignin, were characterized and pyrolyzed in a continuous-fed fast pyrolysis process. The physical and chemical properties of the lignins included chemical composition, heat content, ash, and water content. The distributed activation energy model (DAEM) was used to describe the pyrolysis of each lignin. Activation energy distributions of each ...
This work aims to transform coffee silverskin (CSS), the only waste from roasting process, that worldwide amounts about 76 million kg/year, into value-added products within an integrated slow pyrolysis process. The study, performed at 280 °C, 400 °C and 500 determined potential applications of resulting fractions. Biochar has been studied as adsorbent organic pollutants in water, using methylen...
Pyrolysis can be used to produce renewable energy and offset greenhouse gas emissions. While the biopower potential of pyrolysis has been widely analyzed, agronomic environmental benefits under competing modes have not investigated compared. This study reviews properties characteristics major technologies including fast, intermediate, slow, gasification, torrefaction, then investigates compares...
The wood processing industry produces a significant amount of waste. Biomass valorization through pyrolysis has the potential to increase added value wastes. Pyrolysis is an important thermochemical process that can produce solid, liquid, and gas products. This paper aims review wastes from Indonesia, including teak (Tectona grandis), meranti (Shorea sp.), sengon (Paraserianthes falcataria (L) ...
Solar dried sewage sludge (SS) conversion by pyrolysis and gasification processes has been performed, separately, using two laboratory-scale reactors, a fixed-bed pyrolyzer and a downdraft gasifier, to produce mainly hydrogen-rich syngas. Prior to SS conversion, solar drying has been conducted in order to reduce moisture content (up to 10%). SS characterization reveals that these biosolids coul...
The influence of KOH addition and air pretreatment on co-pyrolysis (600 °C) of a mixture of bio-oil and biomass (aspen wood) was investigated with the goal of increasing biochar yield. The bio-oil was produced as a byproduct of the pyrolysis of biomass and recycled in subsequent runs. Co-pyrolysis of the biomass with the recycled bio-oil resulted in a 16% mass increase in produced biochar. The ...
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