B01J20/28016

METHOD FOR SULFONATING SAWDUST TO FORM MODIFIED SORBENT

A method for producing a modified sawdust sorbent. The method involves sulfonating sawdust with sulfuric acid and oxidizing the sulfonated sawdust with hydrogen peroxide. The method yields a modified sawdust sorbent containing sulfonated and oxidized cellulose. The modified sawdust sorbent has a higher surface area, higher organic dye adsorption capacity, and more rapid organic dye adsorption rate than unmodified sawdust. Also disclosed is a method of using the modified sawdust sorbent for organic dye removal from water.

HYDROXYAPATITE-SUPPORTING POROUS SILICA PARTICLES, METHOD FOR PRODUCING HYDROXYAPATITE-SUPPORTING POROUS SILICA PARTICLES, AND COMPOSITION COMPRISING HYDROXYAPATITE-SUPPORTING POROUS SILICA PARTICLES
20230052900 · 2023-02-16 · ·

The present invention relates to a hydroxyapatite-supporting porous silica particle, in which hydroxyapatite is supported on a surface a spherical porous silica particle and inner surfaces of pores of the spherical porous silica particle, and in which the hydroxyapatite-supporting porous silica particle has a circularity of 0.760 or larger, a method for producing the hydroxyapatite-supporting porous silica particles, and a composition containing the hydroxyapatite-supporting porous silica particle.

Methods and systems for using waste energy from electric motors and inverters in electric vehicle air suspension systems
11577572 · 2023-02-14 · ·

An air suspension system according to the principles of the present disclosure includes a suspension actuator, a reservoir, a compressor, and a first cooling circuit. The suspension actuator has a chamber. The reservoir includes a shell and an adsorptive material. The shell at least partially defines an interior region. The interior region is fluidly connected to the chamber. The adsorptive material is in the interior region. The compressor is fluidly connected to the interior region. The first cooling circuit includes a first heat exchanger, a second heat exchanger, and a conduit. The first heat exchanger is in thermal contact with the interior region. The second heat exchanger is in thermal contact with an electric vehicle component. The conduit is adapted to circulate a fluid between the first heat exchanger and the second heat exchanger. The present disclosure also provides a method of operating the air suspension system.

Chromatographic columns and separation devices comprising a superficially porous material; and use thereof for supercritical fluid chromatography and other chromatography

The present invention provides methods for performing supercritical fluid chromatography comprising loading a sample to be separated by supercritical fluid chromatography onto a stationary phase comprising a spherical, monodisperse, core-shell particulate material comprising a nonporous core and one or more layers of a porous shell material surrounding the core, wherein the particles are sized less than 2 microns; and performing supercritical fluid chromatography to separate the sample.

Superabsorbent polymer composition
11577221 · 2023-02-14 · ·

A superabsorbent polymer composition includes superabsorbent polymer particles, a chelating agent and a mixture of an organic acid and a silicate-based salt. The superabsorbent polymer particles include crosslinked polymer of water-soluble ethylenically unsaturated monomers including acid groups, of which at least a part are neutralized, and the chelating agent includes EDTA or an alkali metal salt thereof, exhibiting improved antimicrobial and deodorizing properties without deterioration of the superabsorbent polymer properties such as centrifugal retention capacity.

Process for preparing an adsorbent material and process for extracting lithium using said material

The present invention relates to the field of solid materials for the adsorption of lithium. In particular, the present invention relates to a novel process for preparing a solid crystalline material formed preferably in extrudate form, of formula (LiCl).sub.x.2Al(OH).sub.3,nH.sub.2O with n being between 0.01 and 10, x being between 0.4 and 1, comprising a step a) to precipitate boehmite under specific conditions of temperature and pH, a step to place the precipitate obtained in contact with a specific quantity of LiCl, at least one forming step preferably via extrusion, said process also comprising a final hydrothermal treatment step, all allowing an increase in lithium adsorption capacity and in the adsorption kinetics of the materials obtained compared to prior art materials, when used in a process to extract lithium from saline solutions.

Absorbent articles comprising encapsulating agents

An absorbent article comprising an absorbent gelling material (AGM) having an encapsulated compound of one or more odor controlling organic compounds disposed upon a surface thereof is described. Alternatively, an AGM particle comprising an encapsulated reactive compound of one or more odor controlling organic compounds disposed as a surface coating thereon is described. Additionally, a method to manufacture an absorbent article is described. The method provides for the steps of: a) providing a solution in a solvent system, the solution has an encapsulating agent and one or more odor controlling organic compounds as a surface coating; b) applying an amount of the solution to a surface of an AGM particle; and, c) incorporating the AGM particle having the solution applied thereto into the absorbent article.

ADSORBENT HAVING MICROWAVE ABSORPTION PROPERTY

An adsorbent having a microwave absorption property is provided. The adsorbent having an improved microwave absorption property, which has a core-shell structure including a silicon carbide bead disposed therein, and an adsorbing material disposed outside the silicon carbide bead, can be provided. Also, the adsorbent may further include a plurality of silicon carbide particles dispersed and disposed therein and having a diameter of 1 μm to 10 μm, and the adsorbing material may be ion-exchanged with a cation. Therefore, the adsorbent can be useful in improving desorption efficiency since the adsorbent may be rapidly heated by microwaves to reach the desorption temperature due to high reactivity to microwaves. Also, the adsorbent can be useful in maintaining full adsorption capacity without having an influence on adsorption quantity since the silicon carbide bead is disposed in the inner core of the adsorbent. Further, when the adsorbent is applied to conventional systems for removing organic compounds using microwaves or dehumidification systems, the adsorbent can be semi-permanently used, and may also have an effect of enhancing the energy efficiency by 30% or more, compared to adsorbents used in the conventional systems.

ADSORBENT AND METHOD FOR PRODUCING SAME

Provided is an adsorbent for removal of iodide ions and iodate ions, which exhibits excellent adsorption performance of iodide ions and iodate ions. An adsorbent according to the present invention comprises cerium(IV) hydroxide and a poorly soluble silver compound. It is preferable that the content of cerium(IV) hydroxide is 50% by mass or more and 99% by mass or less, and the content of the poorly soluble silver compound is 1% by mass or more and 50% by mass or less. It is also preferable that the poorly soluble silver compound is at least one selected from silver zeolite, silver phosphate, silver chloride, and silver carbonate.

FERRITE PARTICLES HAVING OUTER SHELL STRUCTURE USED FOR FILTERING MEDIUM
20180008921 · 2018-01-11 · ·

An object of the present invention is to provide ferrite particles for a filtering medium excellent in filtration ability having a small apparent density, capable of various properties maintained in the controllable state and filling a specified volume with a small amount, and a filtering medium made from the ferrite particles. In order to achieve the object, ferrite particles provided an outer shell structure containing Ti oxide for a filtering medium, and a filtering medium made from the ferrite particles are employed.