[Object]To provide an adsorbent, an adsorbent sheet, and a carbon/polymer composite for adsorbing a virus having further improved virus adsorption capability. [Solving Means] An adsorbent for adsorbing a virus according to the present invention has a specific surface area value as measured by the nitrogen BET method of 10 m.sup.2/g or more and a pore volume as measured by the BJH method of 0.1 cm.sup.3/g or more. An adsorbent sheet for adsorbing a virus according to the present invention includes a porous carbonaceous material having a specific surface area value as measured by the nitrogen BET method of 10 m.sup.2/g or more and a pore volume as measured by the BJH method of 0.1 cm.sup.3/g or more. A carbon/polymer composite for adsorbing a virus according to the present invention includes a porous carbonaceous material having a specific surface area value as measured by the nitrogen BET method of 10 m.sup.2/g or more and a pore volume as measured by the BJH method of 0.1 cm.sup.3/g or more; and a binder.

Articles are provided for absorbing fluids. In embodiments, the articles of the present disclosure are modified to make them hydrophobic, thereby decreasing their affinity for water and similar liquids, while increasing their affinity for other hydrophobic materials, including oil. After use, the articles, in embodiments sponges, may have their absorbed materials removed therefrom, and the articles may then be re-used to absorb additional materials.

The present description provides structures, atomic layer deposition methods for preparing the structures, and an apparatus preparing the structures. The described structures provide unexpected advantages as compared to currently available materials.

Disclosed are polymer compositions comprising activated carbon and method of making the polymer compositions that are used for sorption of formaldehyde from air, gas or liquids. The activated carbon is entrained in at least one base polymer with optional channels throughout.

The present invention relates to an activated carbon, having a BET specific surface area (A) of 1,250 to 1,800 m.sup.2/g as determined from a carbon dioxide adsorption isotherm, and a ratio (B)/(C) of 0.640 or lower between a pore volume (B) mL/g at a pore diameter of 0.4 to 0.7 nm and a pore volume (C) mL/g at a pore diameter of 0.7 to 1.1 nm as determined by performing a grand canonical Monte Carlo simulation on a carbon dioxide adsorption-desorption isotherm.

The invention relates to a co-pyrolyzed sludge biochar modified by lanthanum carbonate, a preparation method and a use thereof. The method comprises: adding a co-pyrolyzed sludge biochar into a metal salt solution of lanthanum ions, heating and adding a carbonate solution until the pH is 8 to 9, and standing still at a constant temperature, and separating to obtain a co-pyrolyzed sludge biochar modified by lanthanum carbonate, the sludge biochar is prepared by co-pyrolysis of sludge and bamboo. The co-pyrolyzed sludge biochar modified by lanthanum carbonate prepared by the present invention can effectively adsorb and remove phosphate in water due to containing the lanthanum carbonate with strong affinity for anions and a larger specific surface area.

The present invention relates to an absorbent material, the absorbent material comprising: a matrix formed from a fibrous material and one or more polymerised binder reagents. The present invention further relates to a method for producing an absorbent material, the method comprising the steps of: combining a feedstock comprising fibrous material with one or more binder reagents; and introducing the feedstock into an agglomeration apparatus in the presence of a polymerisation activator to produce the absorbent material.

The present invention provides a mixture of adsorbents which has the capacity to adsorb high concentrations of antibiotics from a diverse range of classes, pathogens, and heavy metals. The invention is a mixture of various charcoal adsorbents including areca nut, bamboo, pine nut, coconut shell and paper that can deplete a wide variety of antibiotics in one go.

The disclosure provides sorbents and sorbents that improve the adsorption of per- and polyfluoroalkyl substances (PFAS). The sorbents and sorbents have microstructures that efficiently adsorb PFAS, as shown by the combination of high volumetric iodine number and high volumetric molasses number. Methods of manufacturing and methods of use are further provided.

A fluid retention compound and more specifically, but not exclusively, a fluid retention compound for use in agriculture, mining and construction. Retention of water using moisture absorbers is known in the art and used to improve the water-holding capacity of various media. A problem with existing moisture absorbers is the relatively ineffective rate at which water is retained and nutrients absorbed. In accordance with the invention there is provided a fluid retention compound including a superabsorbent polymer, an adsorbent, and a pH modifier. It is envisaged that the invention will provide a fluid retention compound which increases the efficacy of its water holding capacity, nutrient uptake and adsorption of other substances.