Abstract: The present application discloses a catalyst for thermally stably degradation of VOCs, a preparation method thereof and a use thereof. The catalyst includes: a substrate, and an auxiliary agent and an active component which are on the substrate. The auxiliary agent includes a first auxiliary agent and a second auxiliary agent; the first auxiliary agent includes a cobalt-containing auxiliary agent and/or an iron-containing auxiliary agent; and the second auxiliary agent includes an aluminum-based auxiliary agent. The combination of specific first and second auxiliary agents is introduced into the catalyst of the present application, so that oxygen molecules can be quickly adsorbed and activated during the catalytic combustion process of VOCs with forming a catalytic synergy center with the active component, thereby improving the removal efficiency for VOCs and facilitating the long-term stable operation of the catalyst under harsh conditions such as high-temperature and high-humidity conditions.

Abstract: Gasification method comprising the following steps of: a) bringing, in a main reactor, beads made of steel, an alloy, glass or ceramic, at a temperature between 600° C. and 1,000° C., into contact with a feedstock mixture comprising water and a biomass, the biomass comprising an organic part and salts, the main reactor being pressurised to more than 224 bar and at a temperature above 200° C. b) gasifying the organic part in the presence of the beads, thereby forming a gaseous phase, an aqueous phase and a solid residue, and whereby the salts precipitate on the beads, forming a salt shell covering the beads, c) separating the beads from the organic part, d) regenerating the beads.

Abstract: Provided herein are amine-functionalized cellulose polymers useful for carbon dioxide capture and methods of preparation and use thereof.

Abstract: A polyacrylic acid (salt)-based super absorbent polymer, includes carbon, oxygen, and sodium on the surface thereof, and satisfies Equation 1: XC?O+XO-C?O?6(at %) wherein, XC?O represents the content (at %) of carbon included in a CO bond structure among all elements present on the surface of the super absorbent polymer according to XPS analysis, and XO—C?O represents the content (at %) of carbon included in a O—C?O bond structure among all elements present on the surface of the super absorbent polymer according to XPS analysis.

Abstract: A carbon dioxide absorbent containing a polyamine compound (A) having an alicyclic hydrocarbon structure, wherein a content of the polyamine compound (A) is 60% by mass or more.

Abstract: A process to remove H2S from a stream comprising the steps of adding Melamine cyanurate, optionally a silica nanoparticle composition, and optionally a triazine. The stream is selected from the group consisting of Oil streams, Gas streams, CO2 point source purification streams and Geothermal Energy System streams.

Abstract: A hydrometallurgical coprecipitation process for leached cathode materials includes adjusting a pH and agitation of an aqueous acidic leach solution in successive stages of a multi-stage reactor system for generating coprecipitated particles of a targeted morphology, particle size range, and surface characteristics. The aqueous acidic leach solution (leach solution) initially forms seed particles based on increasing pH. In successive stages, the pH and the stirring rate are varied for growing the seed particles into progressively larger particles as additional leach solution is introduced.

Abstract: One variation of a method includes: conveying a mixture of air in a working fluid through a compressor to heat and pressurize the mixture to promote absorption of carbon dioxide into the working fluid; depositing the mixture in a high-pressure vessel configured to remove air from the mixture of carbon dioxide in the working fluid; conveying the mixture through a turbine to reduce pressure and promote desorption of carbon dioxide from the working fluid; depositing the mixture in a low-pressure vessel for removal of carbon dioxide; in response to a temperature of an interior environment falling below a target range, conveying the working fluid through a heating element configured to transfer heat from the working fluid into the interior environment; and, in response to the temperature exceeding the target range, conveying the working fluid through a cooling element configured to transfer heat from the working fluid into an exterior environment.

Abstract: Provided is a chemical decontamination method that shortens the decomposition time of a reduction decontamination agent. An oxidization decontamination, a decomposition of an oxidization decontamination agent, and reduction decontamination using an oxalic acid aqueous solution are performed on a target piping of a BWR plant. After that, the oxalic acid is decomposed (S7). That is, a part of the oxalic acid is decomposed by irradiating the oxalic acid aqueous solution with ultraviolet rays upstream of a decomposition device (S8), and Fe3+ in the aqueous solution is converted to Fe2+. Hydrogen peroxide is supplied to the decomposition device (S9). In the decomposition device, the oxalic acid is decomposed by a catalyst and hydrogen peroxide, Fe2+ and hydrogen peroxide react to produce Fe3+ and OH*, and the oxalic acid is decomposed by OH*. A corrosion potential of the aqueous solution flowing out from the decomposition device is measured (S11).

Abstract: To provide a carbon dioxide separation composition which is excellent in carbon dioxide desorption efficiency (desorption amount/absorption amount) and durability to nitrogen oxides, and a method for separating carbon dioxide. A carbon dioxide separation composition, containing at least one amine compound selected from the group consisting of an amine compound represented by the following formula (1): wherein R1 to R3 each independently represent a hydrogen atom or a C1-4 alkyl group, and an amine compound represented by the following formula (2): wherein R10, R11, R12, R13 and R14 each independently represent a hydrogen atom, a C1-4 alkyl group, a hydroxy group, a hydroxymethyl group, a 2-hydroxyethyl group or a C1-4 alkoxy group, a and b are each independently 0 or 1 and satisfy the relation a+b=1, and R15 is a hydrogen atom, a C1-4 alkyl group, a methoxymethyl group, a methoxyethoxymethyl group or a 2-hydroxyethyl group.

Abstract: A method for sequestering carbon dioxide includes contacting a first feedstock that is a gaseous feedstock including carbon dioxide with a second feedstock comprising one or more minerals, such that at least a portion of the carbon dioxide in the first feedstock reacts with the one or more minerals in the second feedstock to form a first output including one or more carbonate minerals and a second output that is a gaseous output having a lower concentration of carbon dioxide than a concentration of carbon dioxide in the first feedstock.

Abstract: A method for preparing hydrogen-rich synthesis gas by degrading waste polyolefin plastics at a low temperature includes the following steps: weighing 1 part by weight of polyolefin waste plastics and 3 parts-80 parts by weight of hydrogen peroxide containing 0.25%-6% of H2O2; feeding the polyolefin waste plastics and the hydrogen peroxide into a hydrothermal reactor, and carrying out the oxidation pretreatment reaction at a reaction temperature of 150° C.-230° C. under a reaction pressure of 0.5 MPa-2 MPa for 30 minutes-90 minutes, and obtaining an aqueous-phase product and a gas-phase product after the reaction is finished; filling another hydrothermal reactor with a mesoporous carbon supported metal-based catalyst, and then introducing the aqueous-phase product into the hydrothermal reactor for a reforming reaction to obtain a hydrogen-rich synthesis gas product. In the whole process, the H2 yield is close to 11 mol/kg plastics, and the H2 concentration in the hydrogen-rich synthesis gas is close to 55%.

Abstract: The present disclosure relates to the field of resource-oriented utilization technologies for wastewater salt muds and more particular to a resource-oriented utilization method for a high-salt salt mud containing sodium chloride and sodium sulfate. The method includes: performing two stages of oxidation, i.e. Fenton-like treatment and chlorine dioxide treatment, in sequence on a salt mud solution, and then replacing a sodium salt with an ammonium salt to prepare a pure alkali and a mixed ammonium salt. In the method, multi-stage oxidation process is performed to effectively use ingredients such as sodium chloride and sodium sulfate so as to thoroughly eliminate organic matters and heavy metals in the high-salt salt mud, and achieve resource-oriented utilization of the salt mud, thus saving burial treatment costs, and producing good economic benefits as well as good environmental benefits.

Abstract: A method of treating or remediating contaminated material, such as water or soil, comprises contacting such material with asphaltenes. The asphaltenes are preferably produced as a by-product of petroleum refining and, in particular, a by-product of vacuum residua. An adsorbent material comprising such asphaltenes is also provided.

Abstract: The present disclosure herein relates to a super absorbent polymer, and more particularly, to a super absorbent polymer exhibiting excellent absorption behavior with respect to water having a low ion concentration and a low electrical conductivity, and particularly, having quick initial absorption speed, and a large maximum absorption capacity.

Abstract: An electrocatalyst comprising bismuth nanodot-doped zinc materials is used for electrochemical reduction of carbon dioxide to formate. The electrocatalyst consists of bismuth nanodots dispersed on a zeolitic imidazolate framework-8 wherein the bismuth-zinc material is in the form of particles with a longest dimension of 200 to 1000 nm. The bismuth-zinc material is utilized in H cell, flow cell, and MEA cell applications for carbon dioxide reduction.

Abstract: The present invention relates to highly pure high performance polycrystalline diamond monolith, a method for manufacturing a single-crystal diamond, and uses thereof.

Abstract: The present application pertains to family of new crystalline molecular sieves designated SSZ-94. Molecular sieve SSZ-94 is structurally similar to sieves falling within the MTT structure type such as SSZ-32x, SSZ-32, ZSM-23, EU-13, ISI-4, and KZ-1 family of molecular sieves. SSZ-94 is characterized as having magnesium.

Abstract: Embodiments include a ceria-supported catalyst. The ceria-supported catalyst may include the formula: Ni/Ce—X-10Cu—O, wherein X is one or more dopants. Embodiments further include a method of processing a feed stock. The method may include contacting the feed stock with a ceria-supported catalyst, sufficient to generate a product including hydrogen and carbon monoxide; wherein the ceria-supported catalyst has the following formula: Ni/Ce—X-10Cu—O , wherein X is one or more dopants. Embodiments further include a method of making a ceria-supported catalyst and other related methods.

Abstract: The present invention relates to a method of controlling the arrangement of building block nanocrystals in iron oxide mesocrystals by controlling the type of surface ligand, the method including mixing an iron ion precursor and a surface ligand. The present invention can provide nanoparticles having different magnetic properties by controlling the crystallographic arrangement of building block nanocrystals in mesocrystals according to surface ligands.