Enhanced Weathering: An Effective and Cheap Tool to Sequester Co2

Autor:	P. Krijgsman, R. D. Schuiling
Rok vydání:	2006
Předmět:	Atmospheric Science Global and Planetary Change Atmosphere (unit) Natural resource economics business.industry Enhanced weathering Weathering Process engineering business Geology
Zdroj:	Climatic Change. 74:349-354
ISSN:	1573-1480 0165-0009
DOI:	10.1007/s10584-005-3485-y
Popis:	Weathering and subsequent precipitation of Ca- and Mg-carbonates are the main processes that control the CO2-concentration in the atmosphere. It seems logical, therefore, to use enhanced weathering as a tool to reduce rising CO2-levels. This can be applied as a technology, by reacting captured CO2 with olivine or calcium-silicates in autoclaves. It can also be applied extensively, by spreading fine-powdered olivine on farmland or forestland. Measures to control the CO2-levels of the atmosphere will be adopted more readily if they also serve some broader economic goals. An effective strategy for CO2 control will require many parallel approaches simultaneously.
Databáze:	OpenAIRE
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