Described herein are mixed matrix filtration membranes and related, compositions, methods and systems and in particular mixed matrix filtration membranes with an embedded polymer network and/or embedded polymeric micro/nanoparticles functionalized with a functionalization polymer covalently and/or non covalently linked to the micro/nanoparticles and related compositions, methods, and systems.

Disclosed are a light-driven filtration antibacterial composite membrane and a preparation method and use thereof. The method for preparing the light-driven filtration antibacterial composite membrane includes: mixing dichloromethane and N,N-dimethylformamide to obtain a first solution; adding PCL particles to the first solution, and stirring until being uniform to obtain an electrospinning solution; adding a ZIF-8 powder to the electrospinning solution, and ultrasonically dispersing for at least 1 hour to obtain a PCL/ZIF-8 spinning solution; spraying the PCL/ZIF-8 spinning solution onto a PPCL@PDA/TAEG men-blown membrane to obtain the light-driven filtration antibacterial composite membrane.

In accordance with one aspect of the presently disclosed inventive concepts, a porous ceramic structure includes a three-dimensional printed structure having predefined features, where the three-dimensional structure has a geometric shape. The average length of the features may be at least 10 microns. The three-dimensional structure includes a ceramic material having an open cell structure with a plurality of pores, where the pores form continuous channels through the ceramic material from one side of the ceramic material to an opposite side of the ceramic material.

A membrane sorbent is described, which comprises 1-6 wt % silicon carbide nanoparticles dispersed in a polymer matrix. The polymer matrix may comprise polysulfone and polyvinylpyrrolidone. The membrane sorbent is used for separating oil from a contaminated water mixture. The silicon carbide nanoparticles of the membrane sorbent may be made from rice husk ash.

The present disclosure relates to a water-treatment separation membrane including: a porous support and a polyamide layer formed on the porous support, wherein the polyamide layer contains an antioxidant having a solubility parameter value of 9 (J/cm.sup.3).sup.1/2 to 22 (J/cm.sup.3).sup.1/2, and a method of manufacturing the same.

A filtration membrane is provided. It comprises a porous support substrate and a porous active layer on top of the support substrate, wherein the active layer is formed of a network of interconnected, randomly arranged ceramic splats with ceramic particles occupying interstices between the splats, and wherein free spaces between the particles define a network of interconnected pores extending through the thickness of the active layer. There are also provided a method of filtering a feed using the membrane and a method of manufacturing the membrane by suspension plasma spraying.

A gas separation membrane, a method for making the gas separation membrane, and a method for using the gas separation membrane are provided. An exemplary gas separation membrane includes a polyether-block-polyamide (PEBA) matrix and a cross-linked network including functionalized polyhedral oligomeric silsesquioxane (POSS) nanoparticles dispersed through the PEBA matrix.

Provided is a composite semipermeable membrane having a high salt removal rate and a high water permeability. The composite semipermeable membrane comprises a substrate, a porous support layer formed on the substrate, and a separation functional layer formed on the porous support layer, the hydrophilic macromolecule concentration on the substrate-side surface of the porous support layer being higher than that on the separation functional layer-side surface.

The present disclosure relates to a salinity (NaCl) difference energy generating system and, more particularly, to a method of manufacturing a structural asymmetric ionic transport channel by inducing partial thermal expansion of a laminated film in which vermiculite is re-stacked and an energy generating system capable of producing power by abundant low-cost resources based on the method. The energy power generating device according to the present disclosure is capable of generating power with an easy capacity control and abundant low-cost resources, and the energy power generating device satisfying size characteristics, structural stability characteristics, and furthermore, filtering characteristics may stably produce electrical energy using a solution having a concentration similar to that of seawater and river water.

A membrane including a polymer substrate having pore channels and a metal-organic framework disposed on the polymer substrate. Methods of producing the membrane are described. Methods of separating gases using the membrane are also provided.