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Title: Process for sequestering carbon dioxide and sulfur dioxide

Patent ·
OSTI ID:989012

A process for sequestering carbon dioxide, which includes reacting a silicate based material with an acid to form a suspension, and combining the suspension with carbon dioxide to create active carbonation of the silicate-based material, and thereafter producing a metal salt, silica and regenerating the acid in the liquid phase of the suspension.

Research Organization:
Pennsylvania State Univ., University Park, PA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
FG26-01NT41286
Assignee:
The Penn State Research Foundation (University Park, PA)
Patent Number(s):
7,604,787
Application Number:
10/835,241
OSTI ID:
989012
Country of Publication:
United States
Language:
English

References (4)

A new CO2 disposal process via artificial weathering of calcium silicate accelerated by acetic acid journal April 2001
Weathering processes in the Ganges–Brahmaputra basin and the riverine alkalinity budget journal July 1999
Enhancement of acid extraction of magnesium and silicon from serpentine by mechanochemical treatment journal July 1997
Dissolution of natural serpentinite in mineral and organic acids journal July 2007