Matches 1 - 50 out of 73 1 2 >


Match Document Document Title
US20130168318 Method for Treating Water by Ballasted Flocculation Implementing a Natural Flocculent  
Method for treating water by ballasted flocculation comprising a step for injecting into said water at least a flocculent, a step for injecting into said water at least one particulate material...
US20150197439 Use Of Celluloses In Sludge Dewatering, And Sludge Products Thereof  
Methods to improve dewatering in industrial and municipal sludges are described. One method involves admixing sludge from a papermaking process and modified cellulose to provide modified sludge...
US20130112627 CHEMICAL TREATMENT TO IMPROVE RED MUD SEPARATION AND WASHING IN THE BAYER PROCESS  
The invention provides methods and compositions for improving the rheology of red mud removed from Bayer Process liquor. The method includes adding a flocculant and a cross-linked polysaccharide...
US20150090667 WATER TREATMENT COMPOSITIONS AND METHODS OF USE  
Methods for clarifying water, reducing turbidity of water, and removing phosphate from water include adding a water treatment composition having an aluminum-containing coagulant, and a natural...
US20130256235 WATER TREATMENT COMPOSITIONS AND METHODS OF USE  
Methods for clarifying water, reducing turbidity of water, and removing phosphate from water include adding a water treatment composition having an aluminum-containing coagulant, and a natural...
US20150210580 Compositions for Conditioning Sludge  
Composition for conditioning sludge, comprising a mineral compound that is lime and an organic compound that is a cationic organic coagulant having an average molecular weight less than or equal...
US20140217034 Compositions for Conditioning Sludge  
Composition for conditioning sludge, comprising a mineral compound that is lime and an organic compound that is a cationic organic coagulant having an average molecular weight less than or equal...
US20130043193 Compositions for Conditioning Sludge  
Composition for conditioning sludge, comprising a mineral compound that is lime and an organic compound that is a cationic organic coagulant having a weight average molecular weight less than or...
US20100314326 Compositions for Conditioning Sludge  
Composition for conditioning sludge, comprising a mineral compound that is lime and an organic compound that is a cationic organic coagulant having a weight average molecular weight less than or...
US20140284519 SURFACE-TREATED CALCIUM CARBONATE AND ITS USE IN WATER PURIFICATION AND FOR THE DEWATERING OF SLUDGES AND SEDIMENTS  
The invention relates to a process for the purification of water and/or dewatering of sludges and/or sediments, to the use of a surface-treated calcium carbonate for water purification and/or...
US20120037569 SYSTEM AND METHOD FOR MINERAL HARDNESS MANAGEMENT  
A method of removing mineral hardness of water comprises selecting a mineral hardness solubility constant modifier capable of at least partially precipitating insoluble mineral hardness material...
US20150151990 TRANSPORTATION OF FLOCCULATED TAILINGS IN A PIPELINE  
A method for transporting flocculated tailings through a pipeline is provided comprising: adding an effective amount of a flocculant or a coagulant or a combination thereof to the mining tailings...
US20060016761 Dewatering of suspensions  
A method of dewatering suspensions in which a high molecular weight, water soluble, cationic polymer flocculant and an encapsulated low molecular weight water soluble, coagulant are mixed with the...
US20150060367 COAGULATION PROCESSING METHOD, COAGULATION PROCESSING UNIT, AND WATER PROCESSING APPARATUS  
The present invention provides a coagulation processing method capable of adding a sufficiently-dissolved coagulant aqueous solution to being processed water and materializing high-efficiency...
US20130015143 NON-DESTRUCTIVE METHOD FOR ALGAE CONTAMINATED WATER TREATMENT AND ALGAE HARVEST OR REMOVAL  
A method of treating an algal containing aqueous medium comprises adding an effective amount of the treatment composition to the aqueous medium wherein the treatment composition comprises 1) a) a...
US20150203385 DEWATERING OF THICK FINE TAILINGS WITH GAS INJECTION AND FLOCCULATION  
Techniques for injecting gas, such as compressed air, into thick fine tailings can promote water release or flocculant dosage reduction and thereby ameliorate dewatering operations of the thick...
US20120217201 METHOD FOR ENHANCING BIOLOGICAL WATER TREATMENT  
A mixture for treating water in a biological water treatment process is provided comprising an organic-based flocculant, a micronutrient; and a polymer. The flocculant, the micronutrient and the...
US20090242491 Method of treating silicon powder-containing drainage water  
A method of treating silicon powder-containing drainage water, comprising the steps of: including an inorganic flocculant composed of a silica sol-water-soluble metal salt having a molar ratio of...
US20080190861 COMPOSITION AND METHOD FOR AGGLOMERATING SOLIDS IN SOLID-LIQUID SEPARATION PROCESSES  
An effervescent chitosan-containing solid composition for agglomerating solids in and clarifying a slurry in a solid-liquid separation process or system, such as a mining pond, and a method of...
US20140076822 Process for Filtration Enhancement of Aqueous Dispersions  
A method for enhancing filtration performance in separating solids from liquids in an aqueous dispersion comprising a solids phase and a liquid phase in a two step process having a physical...
US20100300962 METHODS FOR TREATING WASTEWATER USING AN ORGANIC COAGULANT  
A wastewater treatment system is disclosed which uses algae to generate oxygen for primary digestion of municipal wastewater. A coagulant composition containing a cationic starch and an aluminum...
US20150259232 TREATMENT OF PRODUCED WATER CONCENTRATE  
Water, for example produced water from a steam assisted gravity drainage (SAGD) or cyclic steam stimulation (CSS) heavy oil recovery operation, is treated, for example to recover water re-use in...
US20110021670 INTEGRATED PROCESS FOR MANUFACTURING A BINDER  
A process for manufacturing a binder from a waste water effluent is disclosed. A method for recovering the protein used in the manufacture of the binder comprises adding an agglomerating agent to...
US20140008305 METHOD FOR REMOVING SULFATE ANIONS FROM AN AQUEOUS SOLUTION  
A method includes the steps, adding divalent calcium to an aqueous medium containing sulfate anions in solution and forming insoluble calcium sulfate in the aqueous medium; adding a water-soluble...
US20140263071 METHOD FOR COLLECTING METALS  
A method for collecting metals from a solution, in which method solid insoluble or sparingly soluble bisphoshonate of formula I is mixed with the solution, whereby metals possibly present in the...
US20150053621 METHOD FOR TREATING WATER AND FLOCCULANT FOR ORGANIC SUBSTANCES  
Provided are a method for treating water and a flocculant used in the method. The method includes the steps of adding a first polymer compound formed by multiply binding a first repeating unit...
US20150053622 METHOD TO TREAT FLUSHING LIQUOR SYSTEMS IN COKE PLANTS  
Methods are disclosed for reducing oil in water emulsions in coking processes. One exemplary method comprises: providing an aqueous stream with an oil in water emulsion; providing a treatment...
US20090095687 METHOD FOR SEPARATING OFF COLORING COMPONENTS FROM AQUEOUS PLANT EXTRACTS  
The invention relates to a method for separating off coloring components from aqueous plant extracts in which magnesium ions (Mg2+) are added to the plant extract, at least one alkaline component...
US20080028811 Use of Partly Pre-Hydrated Lime for Separating a Mixture of Solid/Liquid Matters, Method for Treating Sludge and Purified Sludge Obtained by Said Method  
The present invention relates to a novel use of delayed reactivity partly prehydrated lime (abbreviated to: “DRQL”), which is composed of 40 to 98% by weight of CaO and of 60 to 2% by weight of...
US20090026145 Process for dewatering a mineral slurry concentrate and increasing the production of a filter cake  
The present invention provides a process for dewatering a mineral slurry concentrate and increasing the production of the resulting filter cake consisting essentially of mixing an aqueous mineral...
US20080314840 Method For Separating Suspended Solid Materials From Aqueous Systems With Colloidal Flocculants  
The invention relates to a method for separating suspended solid materials from aqueous systems, in which the latter is mixed with a flocculant made of polymer colloidal particles with cationic...
US20080149569 TANNIN BASED POLYMERIC COAGULANTS COMPOSITION AND METHOD OF USE  
Composition and method of use for tannin based environmentally benign polymeric coagulants are disclosed. Tannin based coagulants are copolymers of naturally occurring tannins and a cationic...
US20150034563 ENHANCEMENT OF WASTEWATER SLUDGE DEWATERING USING SOY FLOUR OR SOY PROTEIN  
Dewatering agents and methods of dewatering wastewater slurries are provided. Also disclosed are methods for improving the separation of solids from water. The water may be produced water, raw...
US20120261342 PROCESS FOR IMPROVING THE PRECIPITATION OF CALCIUM AND/OR MAGNESIUM SALTS IN THE REGENERATION OF USED ALKALINE CLEANING SOLUTION  
A process for improving the precipitation of calcium and/or magnesium salts in the regeneration of a used alkaline cleaning solution includes the steps of providing a spent alkaline or acidic...
US20140053872 METHODS AND COMPOSITIONS FOR THE TREATMENT AND RECOVERY OF PURGE SOLVENT  
The present disclosure relates to purge fluids, methods of using the purge fluids, and systems to be used for recycling the purge fluids. In some aspects, the purge fluid may be used to clean or...
US20140124452 METHODS FOR REMOVING MERCURY FROM WASTEWATER STREAMS  
Methods for reducing mercury content from a mercury-laden aqueous stream comprise contacting the aqueous stream with a tannin coagulant, a sulfide, such as a polyorganic sulfide, and an optional...
US20140263082 POLYMER BLENDS FOR FLOCCULATION  
Polymer flocculants are described comprising blends of high molecular weight polyethylene oxide and high molecular polyacrylamides. When introduced in desired amounts and with desired molecular...
US20130134103 SYSTEMS AND METHODS FOR REMOVING FINELY DISPERSED PARTICULATE MATTER FROM A FLUID STREAM  
Disclosed herein are systems for removing particulate matter from a fluid, comprising a particle functionalized by attachment of at least one activating group or amine functional group, wherein...
US20080053916 Method For Coagulating And Dewatering Sludge With Use Of Polymer Coagulant And Method For Coagulating And Percipitating Waste Water With Use Of Polymer Coagulant  
Using a continuous dissolving and feeding device equipped with two or more storage tanks for storing two or more kinds of powdery polymer coagulants individually feeders which are able to control...
US20140166586 Lysine-Based Polymer Coagulants for Use in Clarification of Process Waters  
Lysine-based polymers, particularly copolymers of lysine and maleic acid, are useful as coagulants for clarification of wastewaters, including produced waters from oils sands mining operations....
US20130153510 METHOD AND SYSTEM FOR TREATING AQUEOUS STREAMS  
The invention relates to a method and system for treating an aqueous stream having a first flow rate and containing solid matter exhibiting first settling properties, the method comprising adding...
US20090211982 PROCESS FOR TREATING EFFLUENT LIQUID FRACTION FROM POST ANAEROBIC DIGESTION  
A process for treating a liquid fraction of effluent wastewater from post anaerobic digestion containing fine solids having a size less than about 25 microns is disclosed. A metal salt flocculant...
US20110000854 USE OF A DUAL POLYMER SYSTEM FOR ENHANCED WATER RECOVERY AND IMPROVED SEPARATION OF SUSPENDED SOLIDS AND OTHER SUBSTANCES FROM AN AQUEOUS MEDIA  
A method uses anionic and cationic polymers added in, any order or simultaneously, to aqueous media for the removal of substances. The sequential addition of the two biopolymers, anionic xanthan,...
US20150041406 METHOD OF TRACING CHEMICAL QUANTITIES USING ENCAPSULATED FLUORESCENT DYES  
The invention provides methods and compositions for utilizing encapsulated tracer dyes in difficult liquids such as wastewater or with highly reactive treatment chemicals such as aluminum-based...
US20140158633 PARTICLE SUSPENSIONS OF FLOCCULATING POLYMER POWDERS AND POWDER FLOCCULANT POLYMER BLENDS  
Powder blends are described comprising blends of particulate water soluble high molecular weight polymer flocculants. The polymer flocculants can include polyethylene oxide, polyacrylamide,...
US20050061750 Methods for the purification of contaminated waters  
The present invention describes a method for the purification of waters containing high levels of contaminants by sequentially intermixing with the contaminated water a first anionic polymer, a...
US20110147306 USE OF CATIONIC COAGULANT AND ACRYLAMIDE POLYMER FLOCCULANTS FOR SEPARATING OIL FROM OILY WATER  
Methods for treating oily wastewater comprising adding to the wastewater a cationic coagulant and an acrylamide copolymer flocculant. The acrylamide copolymer flocculant may comprise either an...
US20150144573 CONSOLIDATION AND DEWATERING OF PARTICULATE MATTER WITH PROTEIN  
A method of treating a suspension of particles in a fluid including the steps of promoting flocculation of the particles, and dewatering the flocs to form a cake with a solids content, an...
US20090206040 SYSTEMS AND METHODS FOR REMOVING FINELY DISPERSED PARTICULATE MATTER FROM A FLUID STREAM  
Disclosed herein are systems for removing particulate matter from a fluid, comprising a particle functionalized by attachment of at least one activating group or amine functional group, wherein...
US20150144572 PARTICLE SUSPENSIONS OF FLOCCULATING POLYMER POWDERS AND POWDER FLOCCULANT POLYMER BLENDS  
Powder blends are described comprising blends of particulate water soluble high molecular weight polymer flocculants. The polymer flocculants can include polyethylene oxide, polyDadmac,...

Matches 1 - 50 out of 73 1 2 >