The present state of Colombia
Автор: Группа авторов
Год издания:
Полный вариант заголовка: «The present state of Colombia : An account of the principal events of its revolutionary war; the expeditions fitted out in England to assist in its emamcipation : its contitution; financial and commercial; revenue expediture and public debt; agriculture; mines; mining and other associations / By An Officer ; with a map, exhibiting its mountains, rivers, deprtments, and provinces».
Biogas Production. Pretreatment Methods in Anaerobic Digestion
Автор: Ackmez Mudhoo
Год издания:
This volume covers the most cutting-edge pretreatment processes being used and studied today for the production of biogas during anaerobic digestion processes using different feedstocks, in the most efficient and economical methods possible. As an increasingly important piece of the «energy pie,» biogas and other biofuels are being used more and more around the world in every conceivable area of industry and could be a partial answer to the energy problem and the elimination of global warming.