B01J20/28085

ELECTROSTATIC ADSORPTION MASK
20220023828 · 2022-01-27 ·

An electrostatic adsorption mask is provided. The mask comprises two straps, a mask body, a filtering layer and a tiny power. The filtering layer is located in the mask body and comprises a first carbon nanotube layer, a second carbon nanotube layer and an insulated porous layer. The insulated porous layer is located between the first carbon nanotube layer and the second carbon nanotube layer. The first carbon nanotube layer and the second carbon nanotube layer are electrically coupled with the tiny power. An electric field is existed between the first carbon nanotube layer and the second carbon nanotube layer.

Affinity chromatography media and chromatography devices

Chromatography media and devices containing chromatography media are disclosed. Methods of making chromatography devices and methods of using chromatography devices containing the chromatography media are also disclosed.

ABSORBENT ARTICLE CONTAINING NANOPOROUS SUPERABSORBENT PARTICLES

An absorbent article includes an absorbent member positioned between a topsheet and a backsheet. The absorbent member contains at least one layer that includes superabsorbent particles containing a porous network that includes a plurality of nanopores having an average cross-sectional dimension of from about 10 to about 500 nanometers, wherein the superabsorbent particles exhibit a Vortex Time of about 80 seconds or less and a free swell gel bed permeability (GBP) of 5 darcys or more, of 10 darcys or more, of 60 darcys or more, or of 90 darcys or more.

METHOD FOR REMOVING FLUORINE-CONTAINING COMPOUND FROM WASTE WATER

A method for removing a fluorine-containing compound from discharge water, which includes bringing discharge water containing two or more fluorine-containing compounds represented by the following general formula (1) or (2) into contact with an adsorbent so as to adsorb the two or more fluorine-containing compounds:


(H—(CF.sub.2).sub.m—COO).sub.pM.sup.1  General Formula (1):

wherein m is 3 to 19, M.sup.1 is H, a metal atom, NR.sup.b.sub.4, where R.sup.b is the same or different and is H or an organic group having 1 to 10 carbon atoms, imidazolium optionally having a substituent, pyridinium optionally having a substituent, or phosphonium optionally having a substituent; and p is 1 or 2;


(H—(CF.sub.2).sub.n—SO.sub.3).sub.qM.sup.2  General Formula (2):

wherein n is 4 to 20; M.sup.2 is H, a metal atom, NR.sup.b.sub.4, where R.sup.b is the same as above, imidazolium optionally having a substituent, pyridinium optionally having a substituent, or phosphonium optionally having a substituent; and q is 1 or 2.

Porous formed article, method for producing porous formed article, and production apparatus for porous formed article
11224854 · 2022-01-18 · ·

A porous formed article includes an organic polymer resin and an inorganic ion adsorbent and having the most frequent pore size of 0.08 to 0.70 μm measured with a mercury porosimeter. Such a porous formed article can be prepared by crushing and mixing a good solvent for the organic polymer resin and the inorganic ion adsorbent to obtain slurry; dissolving the organic polymer resin and a water-soluble polymer in the slurry; shape-forming the slurry; promoting coagulation of the shape-formed product by controlling the temperature and humidity of a spatial portion coming into contact with the shape-formed product, until the shape-formed product is coagulated in a poor solvent; and coagulating the coagulation-promoted shape-formed product in a poor solvent. A production apparatus can be used to prepare such a porous formed article.

Remediation material for heavy-metal chromium contaminated soil, preparation method and application thereof

Described herein is a soil remediation material capable of absorbing and removing chromium from soil and being recycled so as to enable efficient remediation, repeated recycle, and reduction in remediation cost.

NANOSTRUCTURED IRON/CARBON FOR SCAVENGING OXYGEN

The invention is directed to a nanostructured composite material comprising a mixture of at least one metal particle such as iron and a carbon material from biomass such as D-glucose, D-glucosamine hydrochloride or α-cyclodextrin. The invention is also directed to a composition comprising the composite material comprising the composite material and an inorganic salt, and a method for synthesizing the composite material comprising immersing the carbon material into a solution of metal ions, drying the impregnated carbon particle and subjecting the impregnated carbon particle to a carbothermal reduction process. The nanostructured composite material is useful as an oxygen scavenging layer in a multi-layer film which comprises the oxygen scavenging layer and an oxygen barrier layer that retards the permeation of oxygen from an external environment.

PROCESS FOR CONDITIONING METAL-ORGANIC FRAMEWORKS BY MEANS OF MEMBRANE FILTRATION

The present invention relates to a process for conditioning a raw suspension comprising at least one metal-organic framework and at least one suspension medium by means of at least one membrane filtration to obtain a product suspension. The invention relates also to a method, wherein said product suspension is coated to at least part of the surface of a substrate.

FLUORIDE REMOVAL PROCESS
20220009798 · 2022-01-13 ·

The present invention relates to the field of water treatment/fluoride removal and to materials/devices useful in such processes. Specifically, the invention provides for hybrid materials comprising amyloid fibrils and ZrO2; and to composite materials further comprising a support material. The invention further provides for the treatment of water using such hybrid or composite materials.

Hollow Porous Fibers

A hollow fiber that generally extends in a longitudinal direction is provided. The hollow fiber comprises a hollow cavity that extends along at least a portion of the fiber in the longitudinal direction. The cavity is defined by an interior wall that is formed front a thermoplastic composition containing a continuous phase that includes a polyolefin matrix polymer and a nanoinclusion additive dispersed within the continuous phase in the form of discrete domains. A porous network is defined in the composition that includes a plurality of nanopores.