A boiler system is provided including: a boiler that burns fuel containing sulfur content, chlorine content, and water content to generate a combustion gas; a bagfilter that removes sulfur oxide; a denitration section that removes nitrogen oxide; a desulfurizing absorbent supply section that mixes a desulfurizing absorbent into the combustion gas on an upstream side of the bagfilter; and a reformer that mixes a denitrating reagent into the combustion gas on an upstream side of the denitration section, wherein the bagfilter performs dry desulfurization, and a temperature of the combustion gas passing through the bagfilter and flowing into the denitration section is higher than 200° C. and 350° C. or lower, and the combustion gas from which the sulfur oxide has been removed by the bagfilter flows into the denitration section without being heated on the upstream side of the denitration section.

A plant for purifying a gas stream comprising at least 0.02% by volume of water, CO.sub.2 and NOx, comprising an adsorber characterized by: a cavity (1); an adsorbent (2) included in the cavity (1); an outer casing (3) made of carbon steel; an inner casing (4) made of stainless steel making a space having a width of between 10 and 100 mm between said inner casing and the outer casing, said space being at equal pressure with the cavity.

An integrated system for capturing carbon dioxide and sulfur oxides from a flue gas stream comprising a desulfurization chamber to remove sulfur-type pollutants and a carbon dioxide capture system in fluid communication with the desulfurization chamber; where the carbon dioxide capture system is operative to absorb carbon dioxide from the flue gas stream.

[Problem] To provide a new way for fixing carbon dioxide under mild conditions and with high efficiency.

[Solution] The material for carbon dioxide fixation according to the present invention contains a metal ion donor and an amine as a precursor of a bridging ligand. The amine is configured to react with a gaseous carbon dioxide to form the bridging ligand having at least one carbamate anion moiety. The bridging ligand is configured to react with the metal ion donor to form a coordination polymer in which a plurality of the metal ions is linked by the bridging ligand.

[Problem] To provide a new way for fixing carbon dioxide under mild conditions and with high efficiency.

[Solution] The material for carbon dioxide fixation according to the present invention contains a metal ion donor and an amine as a precursor of a bridging ligand. The amine is configured to react with a gaseous carbon dioxide to form the bridging ligand having at least one carbamate anion moiety. The bridging ligand is configured to react with the metal ion donor to form a coordination polymer in which a plurality of the metal ions is linked by the bridging ligand.

Disclosed is a carbon fixation apparatus includes a reaction chamber in which a reaction of carbon dioxide with magnesium is caused, a supply device for supplying a pressurized, carbon dioxide-rich introduction gas to the reaction chamber, a second pulse power wave irradiator for irradiating the interior of the reaction chamber with a pulse power wave to produce a streamer discharge, a power generation device for generating power using the energy of gases and supplied from the reaction chamber in response to the reaction, and a vent device for venting a remaining gas from the power generation device.

Disclosed is a carbon fixation apparatus includes a reaction chamber in which a reaction of carbon dioxide with magnesium is caused, a supply device for supplying a pressurized, carbon dioxide-rich introduction gas to the reaction chamber, a second pulse power wave irradiator for irradiating the interior of the reaction chamber with a pulse power wave to produce a streamer discharge, a power generation device for generating power using the energy of gases and supplied from the reaction chamber in response to the reaction, and a vent device for venting a remaining gas from the power generation device.

Chemically and thermally stable covalent organic framework (COF) materials are configured and operative as solid adsorbents for capturing gases and water.

Chemically and thermally stable covalent organic framework (COF) materials are configured and operative as solid adsorbents for capturing gases and water.

This invention provides a method of removing sulfur oxides, mercury vapor and other contaminants from a flue gas stream and a flue gas treatment device comprising a sorbent polymer composite substrate comprising a high surface area support and a durable halogen source adjacent the sorbent polymer composite substrate. The halogen source comprises a compound with a quaternary ammonium halogen salt that is not washed away.