Patent classifications
B01J20/30
Magnetic, superhydrophobic and superoleophilic medium, synthesizing methods and applications of same
A medium for fast, selective oil-water separation and/or oil absorption includes steel wool modified with a polymer a polymer or a polymer mixture. The polymer or the polymer mixture is adapted such that the medium is a superwetting material that is superhydrophobic and superoleophilic under water. The polymer or the polymer mixture includes polydimethylsiloxane, polytetrafluoroethylene, polyvinylpyrrolidone, or a combination thereof. The solution immersion method used to synthesize the medium requires only a single, simple step and affordable materials and, as a result, is easy to scale up.
Method for enhancing volumetric capacity in gas storage and release systems
The present disclosure provides for a porous gas sorbent monolith with superior gravimetric working capacity and volumetric capacity, a gas storage system including a porous gas sorbent monolith of the present disclosure, methods of making the same, and method for storing a gas. The porous gas sorbent monolith includes a gas adsorbing material and a non-aqueous binder.
SYNTHESIS OF CROSS-LINKED SPHERICAL POLYCATIONIC BEAD ADSORBENTS FOR HEPARIN RECOVERY
The present application relates to a polymerizable composition comprising: (a) a first monomer of Formula (I): (I) wherein R as described herein and (b) a second monomer of Formula (II): (II) The present application also relates to one or more adsorbent beads produced by polymerizing the polymerizable composition and to a method for heparin recovery using the adsorbent beads.
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SYNTHESIS OF CROSS-LINKED SPHERICAL POLYCATIONIC BEAD ADSORBENTS FOR HEPARIN RECOVERY
The present application relates to a polymerizable composition comprising: (a) a first monomer of Formula (I): (I) wherein R as described herein and (b) a second monomer of Formula (II): (II) The present application also relates to one or more adsorbent beads produced by polymerizing the polymerizable composition and to a method for heparin recovery using the adsorbent beads.
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Composite Material Including COF, Heat Dissipation/Storage Member, and Method for Producing Said Composite Material, and COF Single Crystal and Production Method Therefor
A composite material including a covalent organic framework (COF) single crystal having a major axis length of larger than 120 μm or a COF polycrystal including a plurality of the single crystals, and at least one heat-storage compound. The heat-storage compound is a compound that generates heat or absorbs heat by adsorption to or desorption from the COF single crystal. Also, a heat dissipation/storage member containing the composite material as a heat storage/dissipation material a COF single crystal having a major axis length of larger than 120 μm, and a method for producing a COF single crystal by crystallizing COF raw material compounds via a solution containing an ionic liquid or an organic salt and an equilibrium adjusting agent to grow a COF single crystal.
Aminated siliceous adsorbent from rice husk ash and a method of capturing carbon dioxide
An aminated siliceous adsorbent, which is the reaction product of dried acidified rice husk ash having disordered mesopores and an amino silane, wherein amine functional groups are present on an external surface and within the mesopores of the dried acidified rice husk ash, and wherein the aminated siliceous adsorbent has a carbon content of 24 to 30 wt. %, based on a total weight of the aminated siliceous adsorbent. A method of making the aminated siliceous adsorbent and a method of capturing CO.sub.2 from a gas mixture with the aminated siliceous adsorbent.
MONOLITHIC ADSORBENT SHAPING METHOD AND APPLICATION
A preparation method of a granular adsorbent is provided, including the following: adding a pyrrole monomer to an acidic solution, and adding an oxidant as an initiator to allow a polymerization reaction of the pyrrole monomer to produce polypyrrole (PPy), where an adsorption material powder is added to a reaction system before, during, or immediately after the polymerization reaction, and a resulting mixture is thoroughly stirred; after the polymerization reaction is completed, filtering a resulting reaction system to obtain a filter cake, which is the granular adsorbent; or subjecting the resulting reaction system to centrifugal sedimentation to obtain the monolithic adsorbent. In the present disclosure, the pyrrole monomer is subjected to a polymerization reaction to generate PPy; before being tightly stacked, network structures of PPy wrap the adsorption material powder; and the granular adsorbent is formed through sedimentation and stacking.
CARBON MOLECULAR SIEVE ADSORBENT MONOLITHS AND METHODS FOR MAKING THE SAME
Methods for forming a carbon molecular sieve includes loading polymer fibers into a mold and heating the mold containing the polymer fibers to a temperature in a range from 50 ° C. to 350 ° C. to form a polymer monolith. The polymer monolith is then pyrolized by heating to a temperature in a range from 500 ° C. to 1700 ° C. A carbon molecular sieve monolith includes a first end and a second end opposite the first end, and carbon molecular sieve fibers aligned in parallel from the first end of the carbon molecular sieve monolith to the second end of the carbon molecular sieve monolith. Channels extend from the first end of the carbon molecular sieve monolith to the second end of the carbon molecular sieve monolith, and outer surfaces of the carbon molecular sieve fibers are joined. The carbon molecular sieve monolith has a cell density of greater than 500 cells per square inch.
Single-Step Synthesis of CHEmisorption Fiber Sorbents (CHEFS) for the Capture of CO2 and Removal of Water Contaminants
One or more embodiments relates to method for generating CHEFS having the steps of generating the CHEFS from a dope. One or more embodiments relates to a method for generating CHEFS having amine functional groups having the steps of generating a dope containing a BIAS with amine groups, at least one polymer, and at least one solvent; and forming CHEFS from the dope, wherein the generated CHEFS have no more than 30% amine loss compared to the BIAS.
GERMANOSILICATE CIT-14/IST AND ITS PREPARATION FROM GERMANOSILICATE CIT-13/OH
The present disclosure is directed to large-pore germanosilicate compositions designated CIT-13/OH and CIT-14/IST, the two large-pore germanosilicate each having a three-dimensional framework with 10- and 14-membered ring channels and 8- and 12-membered ring channels, respectively. The disclosure also sets forth methods for converting the former to the latter under conditions consistent with an inverse sigma transformation. Uses of the large-pore germanosilicate compositions are also disclosed.