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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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US20130075341 |
METHOD FOR CLARIFYING INDUSTRIAL WASTEWATER
Methods are described for removing contaminates from aqueous industrial wastewater process streams, specifically industrial laundries to yield a less contaminated aqueous effluent for discharge to... |
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US20110272362 |
Flotation and Separation of Flocculated Oils and Solids from Waste Waters
Oily and/or solids-containing water is clarified by chemical treatment to form flocculated and agglomerated solid phases and a clear water phase. In the clarification process, microbubbles of air... |
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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... |
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US20140346111 |
SEAWATER TREATMENT METHOD
In a seawater treatment method in which after seawater is coagulated by a coagulant and is processed by a solid-liquid separation treatment, an RO treatment is performed, RO feed water having a... |
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US20150001160 |
SEPARATION OF BIOCOMPONENTS FROM DDGS
A multi stage process for the progressive removal of protein and isolating streams containing cellulose fibers and oil from a waste stream containing Dried Distillers Grains with Solubles is... |
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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... |
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US20100059453 |
SYSTEM AND METHOD FOR DE-WATERING WASTE DRILLING FLUIDS
Systems and methods for de-watering waste drilling fluid. In some embodiments, the de-watering system includes a drilling fluid reclamation system receiving the waste drilling fluid from a... |
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US20110024358 |
APPARATUS AND PROCESSES FOR REMOVING BORON FROM LIQUIDS
A process removes boron from ion exchange system regeneration solution including introducing a borate precipitator into the regeneration solution in a precipitation zone to generate borate... |
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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.... |
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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... |
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US20150034562 |
METHOD FOR DEWATERING SUSPENSIONS OF SOLID PARTICLES IN WATER
A method for dewatering dispersions of suspended solids by flocculation, using a polymeric flocculant, includes the steps of sequentially adding to the dispersions: at least one water soluble,... |
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US20140319069 |
METHOD FOR THE REMOVAL OF SUBMICRON PARTICULATES FROM CHLORINATED WATER BY SEQUENTIALLY ADDING A CATIONIC POLYMER FOLLOWED BY ADDING AN ANIONIC POLYMER
A method for removing submicron colloidal particulates, such as hydrocarbons, from water. The method includes first adding a soluble, cationic polymer, such as chitosan, a salt, or solution of... |
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US20110006013 |
METHOD FOR THE REMOVAL OF SUBMICRON PARTICULATES FROM CHLORINATED WATER BY SEQUENTIALLY ADDING A CATIONIC POLYMER FOLLOWED BY ADDING AN ANIONIC POLYMER
A method for removing submicron colloidal particulates, such as hydrocarbons, from water. The method includes first adding a soluble, cationic polymer, such as chitosan, a salt, or solution of... |
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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... |
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US20140117273 |
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,... |
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US20090120881 |
TREATMENT BLENDS FOR REMOVING METALS FROM WASTEWATER, METHODS OF PRODUCING AND PROCESS OF USING THE SAME
Treatment blends for removing metals from wastewater, method of producing and process of using the same. Treatment of industrial wastewater streams relate to the use of a pretreatment blend and a... |
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US20070187334 |
Method of clarifying industrial wastewater for the reduction of organic waste content using cationic dispersion polymers combined with powdered activated carbon and anionic flocculent polymers
Methods are described for removing contaminates from aqueous industrial wastewater process streams, to yield a less contaminated aqueous specifically in the area of soluble organic containing... |
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US20080223792 |
Apparatus and Process for the Incorporation of a Dry Treatment Product Into a Liquid Waste
A flow-through mixing apparatus for incorporating a dry treatment product into a waste stream. The apparatus comprises a pump for directing a liquid waste from a storage pit/tank, a mixer that... |
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US20070241059 |
Method for Treatment of Foil to Facilitate Its Subsequent Removal
Method for treatment of oil on a solid or liquid surface to facilitate subsequent removal of the oil from the surface. A fat-soluble metal containing substance comprising an organic anion and a... |
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US20160289103 |
TAILINGS-POLYMER MIXING OPTIMIZATION BY CONTROLLING THE DISCHARGE ENVIRONMENT
A process for dewatering tailings is provided comprising providing a tailings feed having a solids content in the range of about 10 wt % to about 70 wt %; adding an effective amount of a polymeric... |
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US20160060143 |
SURFACE-TREATED CALCIUM CARBONATE AND PHYLLOSILICATE AND ITS USE IN WATER PURIFICATION
The invention relates to a process for the purification of water and/or dewatering of sludges and/or sediments, to the use of a combination of a phyllosilicate and a surface-treated calcium... |