Disclosed is a composite of a particulate and polymer, the composite characterized by less than enough polymer to fully occupy the available excluded volume of the particulate of the composite. The resulting composite is characterized by the particulate partially covered by the polymer leaving a substantial surface area uncovered.

Provided are a composition and a manufacturing method of a solid CO.sub.2 sorbent having excellent physical properties and chemical reaction characteristics, particularly having an excellent mid-temperature range activity for a fluidized bed process, for use in collecting a CO.sub.2 source (pre-combustion or pre-utilization) in syngas application fields such as integrated coal gasification combined cycle (IGCC) power systems, synthetic natural gas (SNG) and synthetic liquid fuel (CTL).

A lactic acid adsorbent includes a layered double hydroxide that contains multiple metal hydroxide layers and also contains anions and water molecules held between the metal hydroxide layers. The anions include (i) an amino acid such as glutamine, (ii) a dipeptide constituted by one or two kinds of amino acids such as glutamine, (iii) a vitamin such as ascorbic acid 2-phosphate, (iv) a pH buffer such as MES, (v) a glucose metabolite such as pyruvic acid, or (vi) inorganic ions selected from a group including NO.sub.3.sup.− and Cl.sup.−.

A composition remediation of soil and groundwater containing halogenated compounds. The remediation composition includes an elemental iron-based composition, which may include activated carbon capable of absorbing the halogenated compounds with numerous pores impregnated with elemental iron. The remediation composition further includes a first bioremediation material including a blend of one-to-many organisms capable of degrading the halogenated compounds. The remediation composition includes an organic compound or polymeric substance and a second bioremediation material including a blend of one-to-many organisms capable of degrading the organic compound or polymeric substance over time (e.g., 20 to 365 or more days to provide a time release substrate-creating material or platform) into smaller molecules or compounds used by the organisms in the first bioremediation material while degrading the halogenated compounds. The organic compound may be a complex carbohydrate such as food grade starch, chitin, or other complex carbohydrate such as one with low water solubility.

The present invention generally relates to CO.sub.2-adsorbing, graphene-containing nanocomposites, methods of making the same, and methods of using the same.

A mixed salt composition adapted for use as a sorbent for carbon dioxide removal from a gaseous stream is provided, the composition being in solid form and including magnesium oxide, an alkali metal carbonate, and an alkali metal nitrate, wherein the composition has a molar excess of magnesium characterized by a Mg:X atomic ratio of at least about 3:1, wherein X is the alkali metal. A process for preparing the mixed salt is also provided, the process including mixing a magnesium salt with a solution comprising alkali metal ions, carbonate ions, and nitrate ions to form a slurry or colloid including a solid mixed salt including magnesium carbonate; separating the solid mixed salt from the slurry or colloid to form a wet cake; drying the wet cake to form a dry cake including the solid mixed salt; and calcining the dry cake to form a mixed salt sorbent.

The present invention is directed towards a manufacturing method for an iron containing phosphate adsorbent. Said iron containing phosphate adsorbent is characterized by a PSD d(0.9) in the range of 20 μm to 80 μm, a BET active surface area less than 15 m.sup.2/gm and phosphate binding in the range of 35 to 60 mg/gm.

A promoted activated carbon sorbent is described that is highly effective for the removal of mercury from flue gas streams. The sorbent comprises a new modified carbon form containing reactive forms of halogen and halides. Optional components may be added to increase reactivity and mercury capacity. These may be added directly with the sorbent, or to the flue gas to enhance sorbent performance and/or mercury capture. Mercury removal efficiencies obtained exceed conventional methods. The sorbent can be regenerated and reused. Sorbent treatment and preparation methods are also described. New methods for in-flight preparation, introduction, and control of the active sorbent into the mercury contaminated gas stream are described.

It discloses a method for preparing a magnesium-aluminum hydrotalcite-loaded nano zero-valent iron material for specifically removing perfluorooctanoic acid in a water environment and an optimized process for removing perfluorooctanoic acid thereby, and relates to the technical field of removing persistent organic pollutants in water using adsorption method and oxidation-reduction method and, in particular, to a composite material prepared by loading a nano zero-valent iron on magnesium-aluminum hydrotalcite using liquid phase reduction method.

The present disclosure discloses a carbon capture material prepared by needle-tube microfluidics and a preparation method thereof. The carbon capture material includes a sorbent and a microencapsulating shell, the sorbent includes one of an aqueous potassium carbonate solution or an aqueous ethanolamine solution or an aqueous ethanolamine solution containing graphene sheets, and the aqueous potassium carbonate solution or the aqueous ethanolamine solution or the aqueous ethanolamine solution containing graphene sheets is prepared by a microfluidic device. In the present disclosure, one of the aqueous potassium carbonate solution or the aqueous ethanolamine solution or the aqueous ethanolamine solution containing graphene sheets is used as a sorbent to prepare carbon capture particles by the microfluidic technology for the first time.