Solid material having an open multiple and at least partially interconnected porosity, comprising an inorganic matrix made of a microporous and mesoporous geopolymer, in which at least partially interconnected open macropores delimited by sides or walls made of microporous and mesoporous geopolymer are defined, and particles of at least one solid compound different from the geopolymer being distributed in the macropores and/or in the sides or walls. Method for preparing said material. Method for separating at least one metal or metalloid cation from a liquid medium containing it, wherein said liquid medium is placed in contact with the material.

There is provided a structurally stable monolith substrate, suitable to provide carbon dioxide capture structure for removing carbon dioxide from air, having two major opposed surfaces, and further having a plurality of longitudinal channels extending between and opening through the two major opposed surfaces of the structurally stable monolith substrate; and a macroporous coating, adhered to the interior wall surfaces of the longitudinal channels, comprising an adherent, coating formed of cohered, compact mesoporous particles each being formed of a material that is compatible with the material forming the underlying substrate structure so as to become adherent thereto when coated. The mesoporous particles are capable of supporting in their mesopores a sorbent for CO.sub.2 There is also provided a method for forming the monolith and a system for utilizing the monolith as part of a CO.sub.2 capture structure, within the system, to remove CO.sub.2 from the atmosphere.

A simplified method of making an adsorbent layer can permit design and analysis of sorption systems having improved performance can include generation of one dimensional channels.

In accordance with one aspect of the presently disclosed inventive concepts, a porous ceramic structure includes a three-dimensional printed structure having predefined features, where the three-dimensional structure has a geometric shape. The average length of the features may be at least 10 microns. The three-dimensional structure includes a ceramic material having an open cell structure with a plurality of pores, where the pores form continuous channels through the ceramic material from one side of the ceramic material to an opposite side of the ceramic material.

This inorganic fiber sheet contains a glass fiber as a main component, while containing 3 to 20% by mass of an organic fiber having an aspect ratio of 300 to 2000 with respect to a total amount of the inorganic fiber sheet.

A drying block structure is provided, including a main body and a protective layer. The main body has a honeycomb and substantially circular shape. The protective layer covers the main body and has a porous structure. The main body and the protective layer are integrally formed as one piece.

The present disclosure relates to a porous liquid or a porous liquid enzyme system that includes a high surface area solid and a liquid film substantially covering the high surface area solid. The porous liquid or porous liquid enzyme may be contacted with a fluid that is immiscible with the liquid film such that a liquid-fluid interface is formed. The liquid film may facilitate mass transfer of a substance or substrate across the liquid-fluid interface. The present disclosure also provides methods of performing liquid-based extractions and enzymatic reactions utilizing the porous liquid or porous liquid enzyme of the present disclosure. The present disclosure also provides methods for selecting the components of the porous liquid or a porous liquid enzyme system and methods of self-replenishing the used liquid coating.

A composite material of polyurethane foam having a layer of reduced graphene oxide and polystyrene is described. This composite material may be made by contacting a polyurethane foam with a suspension of reduced graphene oxide, drying, and then irradiating in the presence of styrene vapor. The composite material has a hydrophobic surface that may be exploited for separating a nonpolar phase, such as oil, from an aqueous solution.

Disclosed herein is an apparatus (10) for remediation of a site contaminated by an oil spill. The apparatus (10) comprises a porous capsule (12) encapsulating material (14) for sorbing oil. The material (14) comprises granules of an at least semi-open cell polymeric foam, the granules being less than 10cm3 in size. Ingredients from which the polymeric foam is formed comprise acrylonitrile butadiene rubber as a major constituent thereof by weight.

The present invention relates to open-celled phenolic foam filters. In particular, the present invention relates to open-celled phenolic foam air filters for killing microbes present in air, and the use of said filters in antimicrobial air sanitation systems.