Disclosed is a gas collection apparatus used in manufacturing a semiconductor. The apparatus includes: a housing having a chamber formed therein; a heating member installed in the housing to heat cobalt-carbon gas introduced into the chamber; a cobalt deposition member installed across the chamber of the housing to deposit cobalt composite; and a cooling member that induces carbon composite to be solidified and deposited while rapidly cooling the carbon composite.

Disclosed is a gas collection apparatus used in manufacturing a semiconductor. The apparatus includes: a housing having a chamber formed therein; a heating member installed in the housing to heat cobalt-carbon gas introduced into the chamber; a cobalt deposition member installed across the chamber of the housing to deposit cobalt composite; and a cooling member that induces carbon composite to be solidified and deposited while rapidly cooling the carbon composite.

Methods for fabrication of and use of magnesium oxide sorbents for room temperature carbon dioxide adsorption are provided. In accordance with one aspect, a method for fabrication of sorbents is provided which includes using calcination to obtain MgO—Mg(OH).sub.2 nano-composites and aging the MgO—Mg(OH).sub.2 nano-composites to form nano MCHs for room temperature carbon dioxide adsorption. According to another aspect, a method for fabrication of sorbents which includes fabrication of monoclinic magnesium malate tetrahydrate (C.sub.8H.sub.10MgO.sub.10.4H.sub.2O) and use of such sorbents for room temperature carbon dioxide adsorption is provided.

Methods for fabrication of and use of magnesium oxide sorbents for room temperature carbon dioxide adsorption are provided. In accordance with one aspect, a method for fabrication of sorbents is provided which includes using calcination to obtain MgO—Mg(OH).sub.2 nano-composites and aging the MgO—Mg(OH).sub.2 nano-composites to form nano MCHs for room temperature carbon dioxide adsorption. According to another aspect, a method for fabrication of sorbents which includes fabrication of monoclinic magnesium malate tetrahydrate (C.sub.8H.sub.10MgO.sub.10.4H.sub.2O) and use of such sorbents for room temperature carbon dioxide adsorption is provided.

A method for making a catalyst for ozone decomposition includes: adding a reducing agent into a water solution of a permanganate salt to obtain a first reaction liquid, and heating the first reaction liquid under continuous stirring to form a birnessite-type manganese dioxide; and adding the birnessite-type manganese dioxide into a water solution of an ammonium salt to obtain a second reaction liquid, and heating the second reaction liquid under continuous stirring to form the catalyst.

Disclosed is the use of a composite for extracting one or more metal or contaminating chemical species from an aerial or aqueous medium by selective binding, the composite including at least one porous template functionalized by at least one polymer, the polymer including one of the following chemical functions: primary, secondary or tertiary amine, amide, nitrile, pyridine, pyrole, thiol, thiolether, thiophene, thiadiazole, alcohol/hydroxyl, phenol, catechol, pyragalol, carboxylic acid, aldehyde, ester, acyl, crown ether, phosphate, phosphoryl, epoxide, halogen, haloalkane.

Disclosed is the use of a composite for extracting one or more metal or contaminating chemical species from an aerial or aqueous medium by selective binding, the composite including at least one porous template functionalized by at least one polymer, the polymer including one of the following chemical functions: primary, secondary or tertiary amine, amide, nitrile, pyridine, pyrole, thiol, thiolether, thiophene, thiadiazole, alcohol/hydroxyl, phenol, catechol, pyragalol, carboxylic acid, aldehyde, ester, acyl, crown ether, phosphate, phosphoryl, epoxide, halogen, haloalkane.

Cement compositions that can capture carbon dioxide and related methods are generally described.

One or more embodiments relates to method for generating CHEFS having the steps of generating the CHEFS from a dope. One or more embodiments relates to a method for generating CHEFS having amine functional groups having the steps of generating a dope containing a BIAS with amine groups, at least one polymer, and at least one solvent; and forming CHEFS from the dope, wherein the generated CHEFS have no more than 30% amine loss compared to the BIAS.

One or more embodiments relates to method for generating CHEFS having the steps of generating the CHEFS from a dope. One or more embodiments relates to a method for generating CHEFS having amine functional groups having the steps of generating a dope containing a BIAS with amine groups, at least one polymer, and at least one solvent; and forming CHEFS from the dope, wherein the generated CHEFS have no more than 30% amine loss compared to the BIAS.