Fast pyrolysis utilizes biomass to produce a product that is used both as an energy source and a feedstock for chemical production. Considerable efforts have been made to convert wood biomass to liquid fuels and chemicals since the oil crisis in mid-1970s. This review focuses on the recent developments in the wood pyrolysis and reports the characteristics of the resulting bio-oils, which are the main products of fast wood pyrolysis. Virtually any form of biomass can be considered for fast pyrolysis. Most work has been performed on wood, because of its consistency and comparability between tests. However, nearly 100 types of biomass have been tested, ranging from agricultural wastes such as straw, olive pits, and nut shells to energy crops such as miscanthus and sorghum. Forestry wastes such as bark and thinnings and other solid wastes, including sewage sludge and leather wastes, have also been studied. In this review, the main (although not exclusive) emphasis has been given to wood. The literature on woo...

Pyrolysis of Wood/Biomass for Bio-oil: A Critical Review

Chlornaphthalin-Präparate: Bundesanstalt für Forst= und Holzwirtschaft, Reinbek

Bundesanstalt für Forst- und Holzwirtschaft, Reinbek

SF=Salze: Bundesanstalt für Forst=und Holzwirtschaft, Reinbek

Die Beurteilung der Toxizitat von Holzschutzmitteln auf Grund des Grenzwertes des “Schutzstoffes” stimmt in verschiedenen Fallen nicht mit den Erfahrungen der Praxis uberein. Schulze, Theden und Starfinger (6) haben deshalb den Grenzwert der “Schutzflussigkeit” vorgeschlagen. Nach der Darlegung des Rechnungsganges wird kritisch zu dieser neuen Bewertungsgrundlage Stellung genommen und ein Vorschlag zur Vereinigung des Grenzwertes des “Schutzstoffes” mit dem der “Schutzflussigkeit” gemacht.

H. Bellmann

Papers

Der Grenzwert der Schutzflüssigkeit