Matches 1 - 32 out of 32


Match Document Document Title
US20100154679 DESALINATION METHODS AND SYSTEMS THAT INCLUDE CARBONATE COMPOUND PRECIPITATION  
Desalination methods that include carbonate compound precipitation are provided. In certain embodiments, feed water is subjected to carbonate compound precipitation conditions prior to...
US20140231359 TREATMENT OF PHOSPHATE-CONTAINING WASTEWATER WITH FLUOROSILICATE AND PHOSPHATE RECOVERY  
A method for treating phosphate-containing wastewater, such as phosphogypsum pond water. The method includes the steps of: (a) adding a first cation to the wastewater to precipitate fluorosilicate...
US20120223021 SYSTEM AND METHOD FOR TREATING WASTE  
A system and method for removing water from sludge including mixing a blending material into the sludge and compressing the mixture. Additional pre and post compression steps are disclosed....
US20090020481 Method and system for treating feedwater  
A system for treating feedwater includes a fluidized bed heat exchanger unit connected to receive feedwater and a flash concentrator column connected to receive feedwater discharged from the...
US20140116956 CO-PROCESSING OF FLUID FINE TAILINGS AND FRESH OIL SANDS TAILINGS  
A process is provided for dewatering fluid fine tailings, comprising combining fluid fine tailings with fresh oil sands tailings to create a tailings mixture having a sand to fines ratio of about...
US20120261351 SYSTEM AND METHOD FOR TREATING WASTE  
A system and method for removing water from sludge including mixing a blending material into the sludge and compressing the mixture. Additional pre and post compression steps are disclosed....
US20140158632 SELECTIVE SEPARATION OF A SALT FROM WATER  
Described herein are methods of separating a first soluble salt from water that contains the first soluble salt and a second soluble salt, by (a) adding a composition to a water product containing...
US20100170854 Sludge Dewatering and Drying  
Methods, apparatus and systems for dewatering and drying the dewatered sludge. Sludge pumped into the sludge dewatering apparatus is mixed in-line with a pre-measured quantity of polymers to...
US20130015141 NOVEL INJECTION FLOCCULATION AND COMPRESSION DEWATERING UNIT FOR SOLIDS CONTROL AND MANAGEMENT OF DRILLING FLUIDS AND METHODS RELATING THERETO  
A method may include providing a returned fluid comprising a fluid; and a solid contaminant; introducing the returned fluid into a solid-liquid sorter thereby separating the returned fluid into an...
US20130075340 OIL SANDS FINE TAILINGS FLOCCULATION USING DYNAMIC MIXING  
A process for flocculating and dewatering oil sands fine tailings is provided, comprising: adding the oil sands fine tailings as an aqueous slurry to a stirred tank reactor; adding an effective...
US20150021273 PRODUCED WATER TREATMENT IN OIL RECOVERY  
An oil recovery process that utilizes one or more filtration medium comprises a filter cake and a second filtration medium being nonwovens sheet to remove silica and/or oil and/or dissolved...
US20130175223 Remediation of Slurry Ponds  
System and methods for remediating a slurry pond are disclosed herein. A method includes distributing a material over a surface of the slurry pond, wherein the slurry pond includes residues from a...
US20110084029 Waste treatment system  
A system and method for removing water from sludge is disclosed. The method (100) includes: de-watering (102) the sludge comprising an output from a wastewater treatment system to form a...
US20160159669 REMOVAL OF METALS FROM WASTEWATER  
A method for effecting a comprehensive removal of heavy metals from wastewater in a two stage process in which the wastewater is contacted in a first stage with a source of ferric ions under...
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...
US20150191377 CONCENTRATION OF SUSPENSIONS  
A process of concentrating an aqueous suspension of solid particles, whereby an aqueous suspension of solid particles is introduced into a vessel, an organic polymeric flocculant is added to the...
US20140326674 Zero Liquid Discharge Method for High Silica Solutions  
Disclosed are zero liquid discharge (ZLD) processes that utilize naturally occurring or supplemental silicate in the water supply for removing magnesium and calcium hardness from aqueous alkaline...
US20130334143 APPARATUS AND METHOD FOR PHOSPHOROUS REMOVAL FROM WASTE WATER USING DOLOMITE  
The present disclosure provides apparatus and method for phosphorous removal using dolomite by mixing an inorganic coagulant and dolomite together to improve the phosphorous removal efficiency and...
US20160082367 CONCENTRATION OF SUSPENSIONS  
A process of concentrating an aqueous suspension of solid particles, comprising the steps of introducing the aqueous suspension of solid particles into a vessel, addition of at least one organic...
US20120003135 WATER TREATMENT  
Methods of treating water, methods of removing radium from water, methods for controlling the amount of at least one target element removed from water and the amount of at least one target element...
US20140263058 METHODS OF FILTRATION AND CHEMICAL TREATMENT OF WASTE WATER  
A method and system for treating waste water from hydraulic fracturing is disclosed. The treatment includes removing the sand, suspending the inorganic metals and impurities, using flocculation to...
US20140116955 DISPOSAL OF OIL SAND TAILINGS CENTRIFUGE CAKE  
A process for the disposal of oil sands tailings is provided, comprising: optionally diluting the tailings with sufficient water to yield a tailings feed having a solids content in the range of...
US20140319066 Thin Stillage Clarification  
Systems and methods for improving the quality of solids and liquids recovered at atmospheric pressure and temperature from a stillage stream generated as a by-product of an ethanol production...
US20130292115 STEAM GENERATOR BLOWDOWN MANAGEMENT  
Systems and methods relate to treating wastewater, such as blowdown from steam generators used in oil sands production. The systems rely on precipitation by acidification of the wastewater along...
US20130228525 TEMPERATURE SWITCHABLE POLYMERS FOR FINE COAL DEWATERING  
A flocculating agent that comprises a complex of a metal salt and multiple strands of a temperature sensitive polymer. A process for separating coal fines from an aqueous liquid using a flocculent...
US20120248042 OIL SANDS TAILINGS MANAGEMENT  
A system and method for managing fluid mature fine tailings (MFT) containment volume in a tailings pond to a minimum, fixed steady-state volume by balancing the accumulation of the MFT in the pond...
US20120132594 AQUEOUS SOLVENTS FOR HYDROCARBONS AND OTHER HYDROPHOBIC COMPOUNDS  
A method of solubilising in an aqueous medium a hydrocarbon or a hydrophobic compound having a hydrocarbon skeleton that carries one or more heteroatom-containing functional groups, e.g. hydroxyl,...
US20080061004 Method and apparatus for producing dried distillers grain  
A waste treatment apparatus for the treatment and processing of wet material is provided. The apparatus comprises an inlet hopper adapted for receipt of the wet material. A pre-conditioning unit...
US20100089835 METHOD AND EQUIPMENT FOR PROCESSING FATTY WASTE  
The invention relates particularly to an equipment for processing fatty waste (1) essentially comprising a fatty fraction (11), an aqueous fraction (12), and a residual fraction (13), wherein said...
US20140197110 PROCESS AND PLANT FOR DECONTAMINATING PHOSPHORIC ACID SOLUTION  
The invention relates to a method for recycling of phosphoric acid solution from a decontamination bath, which solution is contaminated with radioactive components, wherein the used phosphoric...
US20080016757 REAGENT COMPOSITION AND METHOD FOR RECLAIMING CARBONACEOUS MATERIALS FROM SETTLING PONDS AND COAL PREPARATION PLANTS  
A reagent mixture comprising a hydrocarbon emulsion and an adhesion promoter which is used to agglomerate carbonaceous material particles from coal slurries of settling ponds or coal processing...
US20080017559 Automated Filtration Method and Filtering System for Practicing the Method  
A filtration method is fully automated in all method steps (filling, filtering, rinsing) and works in a closed method cycle with two simple filtrations (A, B) In filtration A, a water sample (WP)...

Matches 1 - 32 out of 32