B01J20/2803

Porous activated alumina based sorbent for lithium extraction

This invention relates to a method for preparing a lithium activated alumina intercalate solid by contacting a three-dimensional activated alumina with a lithium salt under conditions sufficient to infuse lithium salts into activated alumina for the selective extraction and recovery of lithium from lithium containing solutions, including brines.

METAL OXIDE COATED DIATOMITE AGGREGATE AND USE THEREOF AS ADSORBENT AND FERTILIZER

The present invention relates to a calcined diatomite aggregate coated with metal oxides, more specifically to a diatomite aggregate having a diameter larger than 2 mm.

METHOD FOR REUSING ZEOLITE ADSORBENT AND REGENERATED ADSORBENT

Provided is a method for reusing an adsorbent which can stably exhibit purification ability by regenerating a used absorbent, in order to keep the composition of a purified syngas constant.

The present invention concerns a method for regenerating a zeolite adsorbent which adsorbs a carbon dioxide gas from a syngas comprising the carbon dioxide gas and reduces the concentration of the carbon dioxide gas in the syngas, comprising: a step of recovering a used zeolite adsorbent; a step of calcining the used zeolite adsorbent at a temperature of 300° C. to 600° C. in an oxygen atmosphere to produce a regenerated zeolite adsorbent; and a step of reusing the regenerated zeolite adsorbent.

ADSORBENT, CANISTER, AND METHOD FOR PRODUCING ADSORBENT
20220040627 · 2022-02-10 ·

An object of the present invention is to provide an adsorbent and a canister which can improve adsorption performance and purge performance. An adsorbent 10 to be packed in a canister includes: a cylindrical outer wall 10A, and a plurality of ribs 10B for partitioning along an axis of the outer wall 10A into a plurality of cells, wherein the thickness da of the outer wall 10A and the thickness dβ of the ribs 10B is less than 0.6 mm, the thickness of at least either of the outer wall 10A and the ribs 10B exceeds 0.4 mm, the outer diameter D of the outer wall 10A is 3.5 mm or more and 40 mm or less, a BWC exceeds 3.0 g/dL, and


purge efficiency((amount of butane adsorbed−amount of butane retained)/amount of butane adsorbed) is more than 0.86 or more.

LED SYSTEM
20170256688 · 2017-09-07 ·

A non-hermetically sealed LED system containing an active composition having an amount between 0.06 and 2.5 mg per cm.sup.2 of the system optical window area is described. The active composition contains an active material in powder form, wherein at least 75 wt % of the active material is chosen from one or more of active carbons, silver, copper, zinc, copper oxide, zinc oxide, calcium oxide, and silver oxide.

MODIFICATION OF ZEOLITIC IMIDAZOLATE FRAMEWORKS AND AZIDE CROSS-LINKED MIXED-MATRIX MEMBRANES MADE THEREFROM
20170252720 · 2017-09-07 ·

Disclosed is a method of modifying a metal-organic framework (MOF), the modified MOF, and methods for using the same. The method of modification can include heating a mixture comprising an azide compound and a MOF to generate a nitrene compound and nitrogen (N2) from the azide compound and covalently bonding the nitrene compound to the MOF to obtain the modified MOF.

METHODS AND RELATED SYSTEMS FOR EXTRACTING ONE OR MORE CHEMICAL COMPOUNDS FROM CANNABIS PLANT MATERIAL
20220233620 · 2022-07-28 · ·

Methods for extracting one or more chemical compounds from cannabis plant material are provided. In some embodiments, the method may comprise: providing the cannabis plant material; extracting the cannabis plant material with a solvent to produce a solvent extract; and filtering the solvent extract through a filter material to produce a filtered extract. Also provided are related systems. Related cannabis extracts and products comprising cannabis extracts are also provided.

METAL-ORGANIC-FRAMEWORK-CONTAINING BODIES AND RELATED METHODS

Described are three-dimensional structures that contain metal-organic-framework adsorbent material and that are prepared by additive manufacturing techniques, as well as methods of preparing the structures by additive manufacturing methods.

POWDER, METHOD OF PRODUCING POWDER AND ADSORPTION APPARATUS
20210402367 · 2021-12-30 · ·

The present invention provides that powder is mainly constituted from secondary particles of hydroxyapatite. The secondary particles are obtained by drying a slurry containing primary particles of hydroxyapatite and aggregates thereof and granulating the primary particles and the aggregates. A bulk density of the powder is 0.65 g/mL or more and a specific surface area of the secondary particles is 70 m.sup.2/g or more. The powder of the present invention has high strength and is capable of exhibiting superior adsorption capability when it is used for an adsorbent an adsorption apparatus has.

Nano-enabled activated carbon blocks to enable removal of oxyanions from water

A method for preparing a nano-enabled activated carbon block, a nano-enabled activated carbon block produced by the method, a household water filtration system comprising the nano-enabled activated carbon block, and a method for filtering tap water using the household water filtration system are provided. The method includes contacting a solution including a metal(lic) precursor (e.g. a titanium compound and/or an iron compound and/or a zirconium compound) with activated carbon particles such that the solution fills pores of the activated carbon particles. The method further includes causing a metal (hydr)oxide (e.g. titanium dioxide and/or zirconium dioxide and/or iron oxide) to precipitate from the solution thereby causing metal oxide nanoparticles to become deposited within pores of the activated carbon particles. The method also includes preparing a nano-enabled activated carbon block from the activated carbon particles having metal oxide nanoparticles deposited within the pores thereof.