A thermal management system includes a space structure, a feed water container, a water feed line, a pump, and a filter device. The space structure includes a heat source connected with a fluid loop for conveying a working fluid through the heat source to regulate temperature and a sublimator connected with the fluid loop to receive the working fluid. The sublimator has a porous surface. The water feed line is connected with the container and the sublimator. The pump is located in the feed water line and is operable to move the feed water from the container to the sublimator. The sublimator is operable to cool the working fluid using the porous surface. The filter device is located in the water feed line between the pump and the feed water container. The filter device includes an adsorbent bed to remove organic compounds.

The present invention provides novel chromatographic materials, e.g., for chromatographic separations, processes for their preparation and separations devices containing the chromatographic materials. The preparation of the inorganic/organic hybrid materials of the invention wherein a surrounding material is condensed on a superficially porous hybrid core material will allow for families of different hybrid packing materials to be prepared from a single core hybrid material. Differences in hydrophobicity, ion-exchange capacity, chemical stability, surface charge or silanol activity of the surrounding material may be used for unique chromatographic separations of small molecules, carbohydrates, antibodies, whole proteins, peptides, and/or DNA.

A capture mass for heavy metals, in particular mercury, contained in a gaseous or liquid feed, said mass comprising: copper which is present at least in part in the sulphide form, Cu.sub.xS.sub.y; a porous support based on alumina;
characterized in that said porous support has a total pore volume (TPV) in the range 0.8 to 1.5 cm.sup.3/g, a mesopore volume (V.sub.6nm-100nm) in the range 0.5 to 1.3 cm.sup.3/g, and a macropore volume (V.sub.100nm) in the range 0.33 to 0.45 cm.sup.3/g,
it being understood that the ratio between the mesopore volume and the macropore volume (V.sub.6nm-100nm/V.sub.100nm) is in the range 1 to 5.

In embodiments, a packing material for supported liquid extraction has a sorbent media that includes synthetic silica particles. In embodiments, the synthetic silica particles can have physical properties relating to one or more of particle surface area, shape, size, or porosity. In one embodiment, synthetic silica particles have a surface area less than about 30 m.sup.2/g. In another embodiment, the synthetic silica particles have an approximately uniform particle shape. In further examples, synthetic silica particles have a particle size in a range of about 30-150 m inclusive or greater than about 200 m. In another embodiment, synthetic silica particles are arranged to have a pore size greater than about 500 Angstroms. In an embodiment, an apparatus for supported liquid extraction includes a container and a sorbent media that includes synthetic silica particles. In a further embodiment, a method for extracting target analytes through supported liquid extraction is provided.

Synthesis, fabrication, and application of nanocomposite polymers in different form (as membrane/filter coatings, as beads, or as porous sponges) for the removal of microorganisms, heavy metals, organic, and inorganic chemicals from different contaminated water sources.

A method of producing fluoroapatite powder by using a calcium compound, a phosphate compound, and a fluorine compound as a raw material is provided. The method comprises: preparing a slurry containing fluoroapatite produced from the raw material by using a wet process; applying an ultrasonic wave to the slurry; and drying the slurry to obtain the fluoroapatite powder mainly constituted of the fluoroapatite. The method provides fluoroapatite powder having improved particle strength. Further, an adsorption apparatus including the fluoroapatite powder is also provided.

Disclosed are sol gel derived materials obtained from at least one first precursor and at least one second precursor, as well as sol gel derived compositions containing a plurality of alkylsiloxy substituents obtained from such sol-gel derived materials.

A sorbent bed may comprise a sorbent support comprising at least one of a carbon material, a polymeric material, or alumina, wherein the sorbent support comprises a plurality of pores; and an impregnant configured to absorb ammonia disposed within the plurality of pores in the sorbent support, wherein the sorbent bed comprises between 20% and 60% by weight impregnant.

A device, system, and method for small scale CO.sub.2 extraction is disclosed. The device includes a sorbent bed having a sorbent resin. The device also includes a blower in fluid communication with the sorbent bed through at least one duct, as well as a collection tray beneath the sorbent bed and having a drain. The device also includes a capture configuration and a regeneration configuration. The capture configuration includes an air flow driven by the blower passing through the sorbent resin. The regeneration configuration includes the flooding of at least the sorbent resin with regeneration fluid. The regeneration fluid has a higher dissolve inorganic carbon concentration after flooding the sorbent resin. Multiple devices may be employed together as a system capable of providing a continuous product stream having an upgraded concentration of CO.sub.2.

Disclosed in certain embodiments are sorbents for capturing heavy hydrocarbons via thermal swing adsorption processes.