Topic
Pyrolysis
About: Pyrolysis is a research topic. Over the lifetime, 34918 publications have been published within this topic receiving 833524 citations.
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TL;DR: In this paper, a pilot scale pyrolysis process has been investigated, where waste plastics were decomposed in a tube reactor at 520°C, using hourly feed rate of 9.0 kg.
238 citations
TL;DR: This review found that relative high temperature, long reaction residence time, slow heating rate, high pressure, the presence of some minerals and biomass feedstock of high-lignin content with large particle size are preferable to biochar stability, however, challenges exist to mediate the trade-offs between bio char stability and other potential wins.
238 citations
TL;DR: In this article, high density polyethylene (HDPE) was co-pyrolyzed with almonds from almond shell (aS) to investigate the synergistic effects on the product yields and compositions.
237 citations
TL;DR: In this article, the authors experimented with sequential cold filtering of biocrude oils using filters of varying pore size and found that most of the ash and alkali metals detected in biocarriers are trapped in the chars.
Abstract: Inorganic compoundsespecially potassium, calcium, sodium, silicon, phosphorus, and chlorineare the main constituents of the ash in biomass feedstocks. The concentrations of ash range from less than 1% in softwoods to 15% in herbaceous biomass and agricultural residues. During biomass pyrolysis, these inorganics, especially potassium and calcium, catalyze biomass decomposition and char-forming reactions. Chars formed during these reactions invariably end up in the biomass pyrolysis oils (biocrude oils) as suspended submicron particles. The presence of high concentrations of submicron char particles in biocrude oils will make them problematic for combustion in steam boilers, diesel engines, and turbine operations because of the potential release of the ash and alkali metals during combustion. We experimented with sequential cold filtering of biocrude oils using filters of varying pore size and this revealed that most of the ash and alkali metals detected in biocrude oils are trapped in the chars. Leaching s...
237 citations
TL;DR: In this article, a link between the composition of a biomass and its pyrolysis gas yields and composition was established, and an attempt was made to predict gas yields of any biomass according to its composition.
236 citations