B01D2311/2676

Integrated ultrafiltration and reverse osmosis desalination systems
10583401 · 2020-03-10 ·

An open architecture desalination system having a field of water desalination using porous micro filtration or ultrafiltration (MF or UF) membranes followed by high pressure reverse osmosis (RO) membranes for salt removal. A novel integrated system with a unique process flow allowing use of multiple UF and MF membrane configurations on same platform is also disclosed. Additionally, the systemutilizes a noble process flow to enable high efficiency operation of the MF and UF membranes thus reducing footprint, longer life of the membranes and reduced energy.

WOLFBERRY GLYCOPEPTIDE COMPOSITION AND METHODS FOR PREPARING AND USING THE SAME

Wolfberry glycopeptide composition and methods for preparing and using the same, the part with a molecular weight distribution of 1000 Da to 10000 Da of the wolfberry glycopeptide accounts for 50-85% on the HPLC differential refractive index map; and the protein content is 20-35% weight percentage, neutral polysaccharide content is 20-35% weight percentage. Optionally, the uronic acid content is 5-20% weight percentage. The preparation method of the present invention removes part of insoluble impurities by a heating flocculation method, instead of the conventional organic solvent extraction process, and without using any organic solvents in the whole process.

Method for purifying oses without adjusting pH
10519522 · 2019-12-31 · ·

The method for purifying oses from hemicellulose originating from lignocellulosic biomass includes eliminating the cellulose matrix and the solid residues and/or the suspended materials from the acid hydrolysate containing oses in order to obtain a clarified hydrolysate, and subjecting the clarified hydrolysate, without adding any basic chemical reagent to increase the pH to at least one step of ultrafiltration and/or to at least one step of nanofiltration, so as to obtain a filtrate containing the majority of the pentoses and a retentate containing the species likely to precipitate under the effect of an increase in the pH. The filtrate is treated by at least one step of electrodialysis so as to recover the acid catalyst from an acid-supplemented solution, and obtain a deacidified filtrate.

Method for purifying oses without adjusting pH
10519522 · 2019-12-31 · ·

The method for purifying oses from hemicellulose originating from lignocellulosic biomass includes eliminating the cellulose matrix and the solid residues and/or the suspended materials from the acid hydrolysate containing oses in order to obtain a clarified hydrolysate, and subjecting the clarified hydrolysate, without adding any basic chemical reagent to increase the pH to at least one step of ultrafiltration and/or to at least one step of nanofiltration, so as to obtain a filtrate containing the majority of the pentoses and a retentate containing the species likely to precipitate under the effect of an increase in the pH. The filtrate is treated by at least one step of electrodialysis so as to recover the acid catalyst from an acid-supplemented solution, and obtain a deacidified filtrate.

METHOD FOR PREPARING A FEEDING INSTANT ASTRAGALUS POLYSACCHARIDE POWDER AND APPLICATION THEREOF

The present application is related to a method for preparing a feeding instant Astragalus polysaccharide powder and an application thereof. The method includes the following steps: adding deionized water at 65 C. to a dreg of Astragalus membranaceus by water extraction and alcohol precipitation, controlling an alcohol volume fraction at 20%, stirring fully to dissolve the dreg, and after a dreg solution cools to room temperature, removing insoluble thermo-sensitive macromolecular proteins, polysaccharides and solid residues by centrifugation at 3500 revolutions per minute to obtain a clear supernatant. Ultrafiltration treatment is performed by hollow fiber membranes on the supernatant obtained after the centrifugation, and 10-100 kDa polysaccharide components are collected. A low-molecular-weight instant Astragalus polysaccharide powder with high immunocompetence is obtained through an interlayer cold air cooling spray drying process, and the content of active polysaccharide is more than 87%.

Fractionated stillage separation and feed products

This disclosure describes methods to separate solids from liquids in a production facility. A process separates components in the process stream by applying non-condensable media to create density differences and then using a mechanical device to separate the solids from the liquids based on the density difference. The process produces the liquids and solids, which may be further processed to create valuable animal feed products.

Method for producing D-allulose crystals

A new method for producing D-allulose crystals that allows for a continuous production process and ensures a high yield. Also, new D-allulose crystals. Further, the use of a nanofiltration unit in a method for producing D-allulose crystals to improve the yield and/or quality of the resulting crystals.

Salt separation and destruction of PFAS utilizing reverse osmosis and salt separation

Per- and polyfluoroalkyl substances (PFAS) are destroyed by oxidation in supercritical conditions. PFAS in water is concentrated in a reverse osmosis step and salt from the resulting solution is removed in supercritical conditions prior to destruction of PFAS in supercritical conditions.

PROCESS FOR EXTRACTION AND ISOLATION OF BIOCHEMICAL CONSTITUENTS FROM ALGAE
20190352509 · 2019-11-21 ·

The present disclosure is in the field of pharmacognosy and chemistry of natural products. The present disclosure generally relates to a process of isolation and purification of Biochemical Constituents from algae. The present disclosure particularly relates to a process of isolation and purification of Biochemical Constituents from a biomass of cyanobacteria. The present disclosure provides a process for isolating and extracting phycocyanins, chlorophylls, proteins and polysaccharides from the spirulina biomass.

SYSTEM AND METHOD FOR PREVENTING MEMBRANE FOULING IN REVERSE OSMOSIS PURIFICATION SYSTEMS UTILIZING HYDRODYNAMIC CAVITATION
20190344221 · 2019-11-14 ·

The present disclosure provides a method for preventing membrane fouling in a fluid treatment system having at least one membrane. The method describes hydrodynamically cavitating a fluid flow prior to injecting it into the fluid treatment system and through the at least one membrane, wherein after undergoing hydrodynamic cavitation in the cavitation reactor, solid components in the fluid change their (i) molecular structure, (ii) a charge, or both, such that the components repulse each other and disperse around an edge of the membrane to prevent fouling. A system for preventing membrane fouling in a fluid treatment system having at least one membrane is also provided.