High surface area magnesium carbonate structures formed from a calcined slurry of magnesium carbonate powder and a binder and method for their use to adsorb aqueous phosphate and ammonia for recovery and repurposing as a fertilizer are disclosed. A binder is utilized to aid in the formation of useful structures. The binder significantly increase porosity and the available surface area for adsorption.

A filter for a water-purification device includes a filter housing having a water inlet and a water outlet defined therein, and a filter member disposed in the filter housing to purify water introduced through the inlet and supply the purified water to the outlet. The filter member includes a carbon block produced by mixing 40 to 50% by weight of titanium oxide, 30 to 40% by weight of activated carbon, and 18 to 23% by weight of binder with each other.

The purpose of the present invention is to provide a granulation adsorbent having high strength and in particular stability in water that ensures certain throughputs at low costs. The granulated adsorbent of the invention comprises a metal-cyano complex as an effective component, a flocculation precipitant for flocculation precipitation of the metal-cyano complex from slurry containing the metal-cyano complex, a binder, and a crosslinking agent. The granulated adsorbent is produced by a step of adding the flocculation precipitant to the metal-cyano complex slurry and then dehydrating the metal-cyano complex slurry to prepare a metal-cyano complex dehydrated cake, a step of heat drying the metal-cyano complex dehydrated cake to prepare a metal-cyano complex dried block, a step of pulverizing the metal-cyano complex dried block into metal-cyano complex powder, and a step of preparing a mixture containing the metal-cyano complex powder, binder and crosslinking agent, and then granulating using the mixture.

Compacting expanded perlite fines in the presence of a small amount of binder (starch and/or clay) and water, followed by drying, produces particles with low density, good integrity, and surprisingly higher absorption by volume than non-compacted expanded perlite or non-swelling clay. Furthermore, addition of a small amount of clumping agent (e.g., guar gum) to the compacted granules results in a clumping litter with low density, good integrity and comparable clumping ability to traditional clay clumping litter.

Construction for absorbing a fluid, for example, a liquid or gaseous, organic chemical, has an extended web, fabric, yarn or foam member and associated with the extended web, fabric, yarn or foam member is a water-insoluble polymer. The water-insoluble polymer can absorb the fluid organic chemical, and the construction provides for contact of the water-insoluble polymer with the fluid organic chemical when deployed in an environment where the fluid organic chemical may be present for absorption. The construction may be employed in aquatic, aqueous, or dry environments, as a blotter, a wipe or sponge, a filter, in a cartridge, and so forth.

The invention discloses a separation matrix comprising polysaccharide gel beads, wherein said polysaccharide gel beads comprise embedded fibers. The invention further discloses a method of preparing the separation matrix and use of the matrix for separation purposes.

The present specification relates to compositions, devices, apparatus, methods, kits and systems for sample preparation (e.g., separation, reduction or removal of small molecules from biomolecules in a sample). Exemplary small molecules that can be separated, reduced or removed have a molecular weight range of <2000 Da. and may include, but are not limited to, dyes, biotin, affinity tags, crosslinkers, reducing agents, labels, nanoparticles, radioactive ligands, mass tags, unreacted molecules and combinations, intermediates and derivatives of the foregoing. Exemplary biomolecules present in a sample, include but are not limited to, proteins, glycoproteins, antibodies, peptides, nucleic acids, polysaccharides, carbohydrates and lipids. Methods, compositions, kits, devices, apparatus and systems of the disclosure may advantageously provide superior separation of small molecule contaminants and additionally reduce time and expenses related to separation of small molecules from larger biomolecules in samples. Biomolecules separated as set forth herein are amenable to better downstream processing.

A plurality of particles, for use in filtering drinking water to reduce contaminants, where the particles are inorganic particles having a size that ranges from about 0.15 mm to 6350 mm, having a coating which can be powdered activated carbon, powdered zinc and copper alloy, powdered manganese dioxide, or mixtures of the powders, where the powders are bound to the surface of the inorganic particles by a cured organic adhesive which will not elute any volatile organic chemicals (VOC), metals or organic contaminants into water when it is cured.

Sorbent material sheets products that include sorbent material sheets and at least one porous cover layer are attached to an inner wall surface that is defined by an air intake. The sorbent material sheets collect vapors such as hydrocarbon vapors from engine components such as the combustion chamber, injectors, carburetor, fuel ports, crankcase, or other engine components, thereby reducing evaporative emissions. In certain configurations, the sorbent material sheet product includes an edge seal that improves the handling of the sorbent material sheets during the manufacturing process.

The present invention provides mixed metal oxide-hydroxide biopolymer composite beads for fluoride removal from groundwater and a process for the preparation thereof. The beads developed in the instant invention relate to novel granular adsorption medium which comprises two or more metal oxide-hydroxide/hydroxide/oxide nanoparticles and calcium alginate as supporting medium. The said mixed metal oxide-hydroxides and biopolymer composite (MBC) beads are useful for the treatment of fluoride containing drinking water by both batch and continuous mode operations. The MBC beads also showed arsenic sorption performance from spiked water by batch mode.