The present invention relates to the process of obtaining adsorbent materials based upon supported metal species on porous silicates, and their use for reducing the amount of sulfur and nitrogen contaminants in petroleum fractions and products derived of, i.e., light and heavy gas oils, FCC gasoline and fuels, where FCC stands for Fluid Catalytic Cracking process. Therefore, the invention comprises the selection, preparation, modification and adsorptive properties of the abovementioned porous materials, which are based on porous silicates with metal species intercalated and/or impregnated, such as Ti(O,OH), Mg(O,OH), Zr(O,OH), Fe(O,OH), Al(O,OH). Also, additional options were considered, for example those comprising metals from the 1.sup.st and 2.sup.nd transition series, such as Cu.sup.+, Ni.sup.2+, Zn.sup.2+, Fe.sup.2+, Ag.sup.+, Co.sup.2+, Ti.sup.4+, V.sup.2+,5+, Cr.sup.3+ and Mn.sup.2+.

The present invention relates to the process of obtaining adsorbent materials based upon supported metal species on porous silicates, and their use for reducing the amount of sulfur and nitrogen contaminants in petroleum fractions and products derived of, i.e., light and heavy gas oils, FCC gasoline and fuels, where FCC stands for Fluid Catalytic Cracking process. The invention comprises the selection, preparation, modification and adsorptive properties of the abovementioned porous materials, which are based on porous silicates with metal species intercalated and/or impregnated, such as Ti(O,OH), Mg(O, OH), Zr(O, OH), Fe(O, OH), Al(O, OH). Also, additional options were considered, for example those comprising metals from the 1.sup.st and 2.sup.nd transition series, such as Cu.sup.+, Ni.sup.2+, Zn.sup.2+, Fe.sup.2+, Ag.sup.+, Co.sup.2+, Ti.sup.4+, V.sup.2+,5+, Cr.sup.3+ and Mn.sup.2+.

The present disclosure is directed to a desulphurization agent for removing sulphurous species from a diluent or process stream, and a use of such agent. In some examples, the agent may include a compound of manganese, pore forming particles and a compound of copper. The agent may be introduced into or mixed with the diluent or process stream to effectuate removal of sulphurous species from the diluent or process stream.

The present invention provides composite material having a porous graphene-based foam matrix and comprising porous inorganic micro-particles and metal oxide nano-particles distributed throughout the foam matrix.

A method for the synthesis of molybdenum disulphide foam wherein the porosity of the foam can be controlled. The porosity of the foam is employed to adapt the foam to various processes and specific requirements. The foam molybdenum disulphide structures have internal cavities are interconnected to create a large processing surface area.

The present invention discloses a polymeric lanthanum nanocomposite, and a preparation method and application thereof and relates to the field of environmental functional materials. The preparation method includes the following steps: (1) mixing lanthanum chloride heptahydrate with concentrated hydrochloric acid and dissolving the mixture in alcohol, adding a resin polymer, and stirring at room temperature; (2) draining the resin after the stirring for use; (3) adding the resin to a precipitant solution, and stirring at room temperature and then filtering out the resin; and (4) washing the resin with water until the resin is neutral, adding a NaCl solution, stirring and then filtering out the resin, and drying to obtain the polymeric lanthanum nanocomposite. The prepared polymeric lanthanum nanocomposites have a relatively more uniform distribution, and show a higher phosphorus adsorption rate.

The present invention provides an ultrafiltration membrane comprising a sulfone polymer membrane matrix with pores and an organic polymer sealing layer, wherein the pores are filled with nanoadsorbents. The present invention further provides a method for preparing the ultrafiltration membrane, which includes the following steps: (1) synthesizing nanoadsorbents; (2) preparing the sulfone polymer membrane matrix by immersion-precipitation phase inversion; and (3) immobilizing nanoadsorbents in the pores of the sulfone polymer membrane matrix by reverse filling, then sealing the pores with organic polymers to form a multifunctional ultrafiltration membrane. In the present invention, colloidal gold, polyethylene glycol molecules and Pb(II) ions (and so forth) are utilized as models of viruses, macromolecular organic pollutants, and small molecular pollutants, respectively. It is shown that the multifunctional ultrafiltration membrane allows for removal of multiple pollutants from water and can simultaneously remove multiple pollutants under low pressure.

Embodiments provided herein are compositions directed to porous iron oxides, which are suitable for removing hydrogen sulfide and other sulfur-containing organic contaminants from hydrocarbon streams, and in which the iron oxide component of the composition contains both maghemite and hematite phases, with maghemite forming the greater portion of these phases. In some embodiments, magnetite, aluminum oxide, alumina silicate, and a binder comprised of an organic substance are homogenized, followed by calcining which burns away the organic and converts magnetite to a mix of maghemite and hematite.

Provided is a novel continuous single-step method of manufacturing a multilayer sorbent polymeric membrane having superior productivity, properties and performance. At least one layer of the polymeric membrane comprises sorbent materials and a plurality of interconnecting pores. The method includes: (a) coextruding layer-forming compositions to form a multilayer coextrudate; (b) casting the coextrudate into a film; (c) extracting the film with an extractant; and (d) removing the extractant from the extracted film to form the multilayer sorbent polymeric membrane. The sorbent membrane of this disclosure can find a wide range of applications for use in filtration, separation and purification of gases and fluids, CO.sub.2 and volatile capture, structural support, vehicle emission control, energy harvesting and storage, electrolyte batteries. device, protection, permeation, packaging, printing, and etc.

The present invention relates to a process for the production of a zeolitic material having an MWW framework structure comprising YO.sub.2 and B.sub.2O.sub.3, wherein Y stands for a tetravalent element, said process comprising (i) preparing a mixture comprising one or more sources for YO.sub.2, one or more sources for B.sub.2O.sub.3, one or more organotemplates, and seed crystals, (ii) crystallizing the mixture obtained in (i) for obtaining a layered precursor of the MWW framework structure, (iii) calcining the layered precursor obtained in (ii) for obtaining the zeolitic material having an MWW framework structure,
wherein the one or more organotemplates have the formula (I)
R.sup.1R.sup.2R.sup.3N(I) wherein R.sup.1 is (C.sub.5-C.sub.8)cycloalkyl, and wherein R.sup.2 and R.sup.3 are independently from each other H or alkyl, and wherein the mixture prepared in (i) and crystallized in (ii) contains 35 wt.-% or less of H.sub.2O based on 100 wt.-% of YO.sub.2 contained in the mixture prepared in (i) and crystallized in (ii), as well as to a synthetic boron-containing zeolite which is obtainable and/or obtained according to the inventive process and to its use.