B01D11/0492

Natural crystalline colorant and process for production

A crystalline pigment or colorant composition having high color intensity and/or low sugar content, and methods and processes of preparation. The composition may comprise purified fruit and/or vegetable color juices.

SEPARATING AROMATIC ISOMERS USING AQUEOUS SOLUTIONS OF CUCURBITURIL MACROCYCLES
20230040069 · 2023-02-09 ·

The present disclosure provide processes of separating aromatic isomers; liquid-liquid extraction systems and processes; liquid-liquid extraction solvents; cucurbituril macrocycle selective for the extraction of aromatic isomers; related materials, methods, and systems; and the like. The process of separating aromatic isomers may include contacting an isomers solution including one or more aromatic isomers, with an aqueous solution including a cucurbituril macrocycle, to produce a first aqueous phase and a first organic phase, wherein the cucurbituril macrocycle is selective for the extraction of at least one of said aromatic isomers.

A SOLVENT DRYING COMPOSITION AND PROCESSES THEREFOR
20230043356 · 2023-02-09 ·

The present disclosure relates to a solvent drying composition and processes therefor. The present disclosure more specifically relates to a solvent drying composition that in use releases water from a solvent mixture. The present disclosure also relates to a process for recovering a solvent drying composition, more specifically to a process for recovering a solvent drying composition used in an osmotic process.

DEVICE AND METHOD FOR THE DESALINATION OF WATER BY MEANS OF THERMAL DEIONISATION AND LIQUID-PHASE ION EXTRACTION LIQUID

Disclosed is a method for treating water, including the extraction of at least two ionic species, the ionic species including an anionic species and a cationic species and being present in the water to be treated, the method especially including a step of mixing a liquid hydrophobic organic phase and the water to be treated, the water to be treated being in the liquid state, in order to subsequently obtain liquid treated water and a hydrophobic liquid organic phase loaded with the ionic species, and a step of thermal regeneration of the organic phase loaded with chemical species. Also disclosed are compounds and compositions that can be used in the method.

ZIRCONIUM EXTRACTANT AND METHOD FOR EXTRACTING ZIRCONIUM
20180010211 · 2018-01-11 ·

Provided are: an extractant which is capable of quickly and highly efficiently extracting zirconium from an acidic solution that is obtained by acid leaching a material containing zirconium and scandium such as an SOFC electrode material; and a method for extracting zirconium, which uses this extractant. A zirconium extractant according to the present invention is composed of an amide derivative represented by general formula (I). In the formula, R1 and R2 respectively represent the same or different alkyl groups, each of which may be linear or branched; R3 represents a hydrogen atom or an alkyl group; and R4 represents a hydrogen atom or an arbitrary group other than an amino group, said arbitrary group being bonded, as an amino acid, to the α carbon.

METHOD FOR NANOPARTICLE PURIFICATION
20180009038 · 2018-01-11 ·

A method for purifying nanoparticles by which a large amount of nanoparticles can be obtained in a safe manner and in a short time as compared to a conventional method for purifying nanoparticles. A method for purifying nanoparticles by which nanoparticles are purified from a dispersion liquid in which nanoparticles are dispersed in a solvent A used in synthesis of the nanoparticles, the method including: a mixing step of mixing the dispersion liquid, a solvent B that is miscible with the solvent A, and a solvent C that forms two phases together with the solvent B; a concentrating step of concentrating the nanoparticles in a phase of the solvent C; a washing step of forming a third phase containing the nanoparticles in the phase of the solvent C; and a purifying step of extracting the third phase and removing the solvent C from the third phase.

Ultrasonic-microwave synergistic extraction method of total saponins in beautiful millettia root

The present disclosure provides an ultrasonic-microwave synergistic extraction method of total saponins in beautiful millettia root, comprising the following steps: S1, material treatment, S2, cold soaking, S3 enzymatic hydrolysis, S4 extract extraction, and S5 ultrasonic-microwave synergistic extraction. The extraction method of the present disclosure extracts relatively high content of total saponins, and has relatively high yield of saponins and low content of impurities, and each step acts synergistically to solve the problems of relatively low total saponin content, more impumayrities and bubbling in the extraction process.

Extraction of botanical material using high-pressure hydrocarbons
11559754 · 2023-01-24 · ·

An apparatus and method for extraction of oils from botanical material using high-pressure hydrocarbons such as propane, or butane, or mixtures thereof are described. A high-pressure propane or butane saturated liquid/vapor mixture formed by pressure reduction through a valve placed before an extraction column, thereby serving as an expansion port was employed. The apparatus is capable of both continuous liquid extraction or batch-style liquid operation through the use of a manifold valve, which directs the solvent liquid/vapor in the system to either a supply tank or an extraction column.

Production of aromatics by pyrolysis, water gas shift and aromatization of CO2

Device and process for converting a feedstock of aromatic compounds, in which the feedstock is notably treated using a fractionation train (4-7), a xylenes separating unit (10) and an isomerization unit (11), and in which a pyrolysis unit (13) treats a second hydrocarbon-based feedstock, produces a pyrolysis effluent feeding the feedstock, and produces a pyrolysis gas comprising CO, CO2 and H2; a WGS water gas shift reaction section (50) suitable for treating the pyrolysis gas and for producing a WGS gas enriched in CO2 and in hydrogen; a CO2 aromatization reaction section (52) suitable for: at least partly treating the WGS gas to produce a hydrocarbon effluent comprising aromatic compounds, and feeding the feedstock with the hydrocarbon effluent.

DEOILING PROCESS
20230014244 · 2023-01-19 ·

The present disclosure generally relates to methods for deoiling a hydrocarbon feed and to products formed therefrom. In an embodiment is provided a method of deoiling a feed that includes introducing a waxy feed and a deoiling solvent to a dilution chilling zone; mixing the waxy feed and the deoiling solvent in the dilution chilling zone at a temperature of from about 10° F. to about 30° F. to form a slurry; introducing the slurry to a filter zone, the filter zone comprising one or more filter stages, wherein a temperature of the slurry is from about 40° F. to about 75° F.; separating the wax from the oil and the deoiling solvent to form a wax cake in a first filter stage; and washing the wax cake in the first filter stage with the deoiling solvent to obtain a composition comprising a wax. In another embodiment is provided a composition comprising a wax.