Provided are an extract, which is a fractionated component 1 of a water extract of a plant powder, wherein the fractionated component 1 is a fractionated component having a fractionation molecular weight of 12,000 or greater, wherein an ethanol-undissolved component of the fractionated component 1 exhibits a peak attributable to carboxylic acid in a Fourier transform infrared spectroscopy (FT-IR) measurement and exhibits a peak attributable to cellulose in a gas chromatography mass spectrometry (GC-MS) measurement, and wherein an ethanol-dissolved component of the fractionated component 1 exhibits a peak attributable to carboxylic acid in the FT-IR measurement and exhibits a peak attributable to a plant protein in the GC-MS measurement, and a water-purifying agent containing the extract.

The present invention relates to a method for production of potable water by removal from water of an aqueous environment selected from a river, a lake, a reservoir, a pond, a stream, groundwater, spring water, surface water, or combinations thereof, organic colloidal particles of biocontaminants. The method comprises applying to the water at least one nanocomposite consisting of a mineral platform, which is denser than water, and at least one polyelectrolyte polymer adsorbed to said mineral platform with charge opposite to the charge of the colloidal particles.

Methods for removing polymers from treatment fluids for use in subterranean formations are provided. In one or more embodiments, the methods include providing a treatment fluid comprising an aqueous base fluid and a polymer comprising polyvinylpyrrolidone or a derivative thereof; and adding a precipitant to the treatment fluid to form a precipitate with at least a portion of the polymer.

The present invention relates to a method for manufacturing liquid calcium citrate (C.sub.12H.sub.14CaO.sub.14) or mono calcium citrate powder by using shells and application thereof and, more specifically, to a method for manufacturing liquid calcium citrate by using shell powder and citric acid and mono calcium by drying same, and application thereof.

The present invention is a water treatment agent containing (a) a polyalkylene oxide with a weight average molecular weight of 500,000 or more and (b) an inorganic flocculating agent.

The disclosure provides an electromagnetic ionic liquid, which consists of ammonia water, diluent, EWT electronic water and macromolecular complex. The four components are mixed evenly at normal temperature and pressure in a certain proportion to prepare the electromagnetic ionic liquid. The electromagnetic ionic liquid can be used for extracting struvite from seawater, salt water or brine, which improves quality of the struvite, facilitates its industrial production and improves yield of struvite products. In addition, with the electromagnetic ionic liquid, elements required for crop growth and dozens of types of trace elements can be captured in the precipitate, which has great social and economic value for mass production, popularization and application of the struvite.

Provided are an extract, which is a fractionated component 1 of a water extract of a plant powder, wherein the fractionated component 1 is a fractionated component having a fractionation molecular weight of 12,000 or greater, wherein an ethanol-undissolved component of the fractionated component 1 exhibits a peak attributable to carboxylic acid in a Fourier transform infrared spectroscopy (FT-IR) measurement and exhibits a peak attributable to cellulose in a gas chromatography mass spectrometry (GC-MS) measurement, and wherein an ethanol-dissolved component of the fractionated component 1 exhibits a peak attributable to carboxylic acid in the FT-IR measurement and exhibits a peak attributable to a plant protein in the GC-MS measurement, and a water-purifying agent containing the extract.

A coagulant-flocculant mixture, a method of making such a coagulant-flocculant mixture, and a method of using such a coagulant-flocculant mixture for treating effluent containing particles within an aqueous medium to facilitate separating the particles and the aqueous medium, whereby the coagulant-flocculant mixture includes an amount of coagulant combined with an amount of flocculant.

The present invention relates to an effluent treatment method for treating an aqueous effluent having solid particles, the method including the addition to the effluent of at least one water-soluble polymer comprising at least one non-ionic monomer and at least one anionic monomer obtained by controlled radical polymerization, the said polymer having a UL viscosity of between 2 and 4.5 cps.

A method for removing solids via coagulation and flocculation from aqueous solutions that are generated in the process of producing corn flour called nixtamalization. This method for separating liquids/solids is especially effective in removing solids via coagulation flocculation in the process called nixtamalization in which maize is processed at high temperatures in a highly alkaline solution.

A source of carbonate alkalinity is first introduced into the waste stream (called nejayote) that is generated in the process of the nixtamalization of corn, which causes a drop in pH, and is then followed by an anionic flocculant and last of all followed by a cationic flocculant which creates a solid floc of superior strength, which allows the solids to be separated (dewatered) from the water with a high efficiency.

The addition of a source of carbonate alkalinity (coagulant) followed by an anionic and then a cationic flocculant creates a floc of superior strength versus prior art of using a coagulant and anionic flocculant or an anionic flocculant alone and therefore the solid liquid separation process is more effective on dewatering devices. When flocculants are GRAS (Generally Recognized as Safe), the recovered solids can be utilized as an animal food source which has economic benefits from a waste disposal perspective.