The present disclosure relates to a fluid treatment apparatus. The fluid treatment apparatus includes a first system for removing one or more target compounds from a fluid, said first system comprising adsorbent particles; a second system for regenerating said adsorbent particles; a first connector between said first system and said second system, said first connector configured to transfer adsorbent particles from said first system to said second system; and a second connector between said first system and said second system, said second connector configured to release of adsorbent particles from said second system, wherein said first system and said second system are decoupled. The present disclosure further relates to a system comprising one or more fluid treatment apparatus described herein. Also described herein are methods for treating fluid and a system comprising the methods for treating fluid described herein.

There is described a method of making an adsorbent material comprising mixing first particulate material with a second material, homogenising the mixture of the first and second materials, incorporating an impregnating or coating material capable of carbonisation, and carbonising the mixture. Also described are adsorbent materials manufactured according to said method and the use of such adsorbent materials in the treatment of a contaminated liquid. Further described is a method of removing contaminants from a quantity of contaminated liquid.

An apparatus for capturing a water content from a water containing gas, the apparatus comprising: a housing having an inlet into which the water containing gas can flow; a water adsorbent enclosed within the housing, the water adsorbent comprising at least one water adsorbent metal organic framework composite capable of adsorbing a water content from the water containing gas, the metal organic framework composite comprising: at least 50 wt % water adsorbent metal organic framework; from 0.2 to 10 wt % magnetic particles having a mean particle diameter of less than 200 nm; and at least 0.1 wt % hydrophilic binder comprising a hydrophilic cellulose derivative; and a water desorption arrangement in contact with and/or surrounding the water adsorbent, the water desorption arrangement being selectively operable between (i) a deactivated state, and (ii) an activated state in which the arrangement is configured to apply heat to the water adsorbent to desorb a water content from the water adsorbent, wherein the water desorption arrangement comprises an alternating current (AC) magnetic field generator located within and/or around the water adsorbent configured to apply an AC magnetic field to the water adsorbent.

The porphyrin-based catalysts for water splitting are composites of porphyrin or metalloporphyrin active ingredients, conductive carbon (e.g., graphene sheets, vapor grown carbon fiber, carbon black, etc.), and a polymer or binder that may be coated on a glassy carbon electrode. The polymer or binder may be Nafion oil or polyvinylidine difluoride. The porphyrin may be a porphyrin having a transition metal or hydrogen at its center, and may be halogenated and/or have a thiophene substituent.

The present invention relates to a device for the reversible adsorption of carbon dioxide from a gas mixture, comprising at least one adsorbent vessel comprising one or a plurality of gas permeable cartridge vessels of an inert and dimensionally stable material, and each cartridge comprising a suitable polymeric particular adsorbent having a primary amino functionality; to an arrangement including the device, and to a method for ad- and desorption of carbon dioxide.

A water treatment system includes an adsorption column including granular activated carbon (GAC) that adsorbs contaminants from untreated water onto the GAC, thereby producing treated water, a first electrode disposed at a proximal side of the adsorption column, with a gap between the first electrode and the GAC, a second electrode disposed at a distal side of the adsorption column, a drain outlet in fluid communication with the adsorption column for draining water out of the adsorption column, a gas inlet in fluid communication with the adsorption column for injecting a displacement gas into the adsorption column, a high voltage power supply electrically connected to one of the first electrode and the second electrode for generating a plasma discharge within the GAC, thereby regenerating the GAC within the adsorption column, and a gas outlet in fluid communication with the adsorption column for venting waste gas produced by the plasma discharge.

A method for separating N.sub.2 from a hydrocarbon gas mixture containing N.sub.2 comprising the steps of: i) providing a bed of adsorbent selective for N.sub.2; (ii) passing the hydrocarbon gas mixture through the bed of adsorbent to at least partially remove N.sub.2 from the gas mixture to produce: (a) N.sub.2-loaded adsorbent and (b) N.sub.2-depleted hydrocarbon gas mixture; iii) recovering the N.sub.2-depleted hydrocarbon gas mixture; iv) regenerating the N.sub.2-loaded adsorbent by at least partially removing N.sub.2 from the adsorbent; and v) sequentially repeating steps (ii) and (iii) using regenerated adsorbent from step (iv); wherein the adsorbent comprises a pyrolized sulfonated macroporous ion exchange resin.

The object of the invention is to provide an adsorbent that can adsorb ammonia with no large volume change between absorption and desorption, that has a high ammonia and/or ammonium ion adsorption capacity, and that can have an additional function by gaining proper control of composition, etc. The invention makes it possible to provide an adsorbent that absorbs ammonia and/or ammonium ions through the use of a metal cyanocomplex as an ammonia adsorbent, experiences no or little volume change, exhibits high enough capacity for adsorbing ammonia and/or ammonium ions, and has a function of decomposing ammonia as well as a function of varying optical responses before and after adsorption, etc.

A process for selective capture of CO.sub.2 from gaseous mixture comprising of: (a) spraying a bio-amine cluster; (b) capturing CO.sub.2 through bio-amine cluster; and (c) desorption of CO.sub.2 through solar assisted electro de-amination, wherein the bio-amine cluster is comprises of: an amine cluster comprising of a quaternary Isobutylamine (IB) with amine terminated Poly(L-lactide) as the chelating agent; a cluster stabilizing agent; a cluster micelle stabilizing agent; and a carbonic anhydrase (CA) functionalized matrix in 0.05-0.2 wt % of total wt % of bio-amine cluster and wherein the CA is obtained from a source selected from the group consisting of Bacillus thermoleovorans, Pseudomonas fragi, Bacillus stearothermophilus and Arthrobacter sp. and a process for production of bio-amine cluster.

A reaction product of a mixture of components suitable for molding into shaped desiccant particles, wherein the mixture includes: a. a porous siliceous material, b. hygroscopic salt, c. polyvinyl alcohol (PVA) with a degree of hydrolysis between 82 and 95 mol % and a viscosity between 12 and 40 mPa.Math.s, as determined on an aqueous solution of 4% PVA at 20 C. according to DIN53015, d. water, e. optionally, an OH-containing polymer, different from PVA,
wherein the weight ratio between hygroscopic salt and the porous siliceous material is chosen between 0.1:1 and 0.9:1 and
wherein the weight ratio between hygroscopic salt and PVA is chosen between 1:1 and 5:1.