Methods and systems are provided for producing ionized alkaline solutions (e.g. ionized alkaline water) that exhibit long-term stability when stored at room temperature.

The present invention refers to a process for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate and its uses.

A method for extending the use of water during the production of products for human consumption in food production facilities for an extended period of time of at least two production days and up to seven production days by delivering an initial chemical charge at the beginning of each production day to return the process water to the desired antimicrobial solution concentration to provide acceptable antimicrobial control of the process water over the extended period of time. The method providing acceptable antimicrobial control in the processing of any protein or non-protein based food products that require batch or continuous chilling as part of the production process. The length of time that the water may be used in a processing tank may be dramatically and safely increased before the processing tank is emptied for cleaning, sanitizing and refilling.

A process for the in-situ treatment of tailings in a containment area having a tailings layer comprising fine solids and water, is provided comprising: adding a flocculant, a coagulant, a hydrophobicity modifying agent, or any combination thereof, into a portion of the tailings layer; mixing the portion of the tailings layer and flocculant, coagulant, collector, or combinations thereof, to form in-situ treated tailings; and allowing the in-situ treated tailings to dewater and/or consolidate in-situ in the tailings containment area.

In a method of manufacturing a bimetallic catalyst for reductively decomposing nitrate nitrogen, a powder including a trivalent iron oxide, a powder including a trivalent iron oxyhydroxide powder or a combination thereof is mixed in an aqueous solution. A copper precursor and a palladium precursor are mixed in the aqueous solution to form a precursor mixture. The precursor mixture is dried. The dried precursor mixture is fired at a temperature from about 300° C. to about 450° C. to form a fired product. The fired product is reduced by a reducing agent. A hydrochloric acid solution is mixed in the aqueous solution, or mixed with the copper precursor or the palladium precursor.

A method for the treatment of a substrate; the substrate comprises hollow fibre membranes, each of which has a side wall, comprising a base material, and an inner lumen, which is delimited by the side wall; the base material comprises a polysulfone or a derivative thereof; the substrate is placed in contact with graphene oxide in the presence of a liquid so as to obtain an intermediate compound, from which the liquid is at least partially removed and which is thermally treated so that the graphene oxide is at least partially fixed to the substrate and a treated material is obtained comprising treated fibres.

[Object]

To provide granulated sintered clay that is porous with micropores and mesopores and has high hardness that does not collapse even in water.

[Solution]

Provided is granulated sintered clay having a differential pore volume with a pore diameter of 10 nm or less of 0.06 cm.sup.3/g or more in a pore distribution curve measured by a nitrogen gas adsorption method, a hardness to collapse at a planar load of 180 g to 1200 g in a crushing test, and a silicon dioxide content of 35 mass % to 95 mass %.

The present invention relates to a process for separating microplastics from aqueous matrices based on the interaction of said microplastics with magnetic minerals containing iron, such as magnetite, which gives rise to the formation of a microplastic/magnetic iron mineral aggregate that can be readily separated from the water by applying a magnetic field.

Provided are systems and methods for removing per- and polyfluoroalkyl substances (PFAS) from a contaminated stream comprising: collecting a contaminated stream comprising one or more PFAS; concentrating the one or more PFAS of the contaminated stream to achieve a concentrated stream having greater than or equal to 0.01 wt. % PFAS; and removing the one or more PFAS of the concentrated stream by heating the concentrated stream in the presence of calcium oxide to produce calcium fluoride.

A method of producing permanently structured water, several products based on superconducting material, such as food, cosmetics, medicals, jewelry, cleaning and radioactivity-reducing product, and various uses of a superconducting material.