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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...
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...
US20130140237 METHOD FOR TREATING BLOOD PLASMA INCLUDING A STEP OF WASHING BY MEANS OF DISPERSION  
The present invention relates to a method for treating blood plasma including the steps of ethanol precipitation of the plasma or a fraction of plasma, recovering the precipitate, washing said...
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...
US20120125860 WASTE SLUDGE DEWATERING  
Technologies are generally described for processes, compositions and systems for waste sludge dewatering. In an example, the process may include receiving a waste sludge including a water...
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...
US20140069867 Floating Wicks For Slurry Consolidation  
Systems and methods for remediating an initially liquid-like slurry pond include distributing one or more floating wicks into the slurry pond, wherein the slurry pond includes a slurry with a...
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...
US20120024797 Methods for dewatering wet algal cell cultures  
A method of dewatering algae and recycling water therefrom is presented. A method of dewatering a wet algal cell culture includes removing liquid from an algal cell culture to obtain a wet algal...
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...
US20140054232 PROCESS AND SYSTEM FOR DEWATERING OIL SANDS FINE TAILINGS  
A dewatering process comprises dispersing an anionic polymer flocculant in a slurry comprising water and oil sands fine tailings to form flocs comprising fines bridged by the anionic polymer...
US20150240325 ALTERNATIVE ADDITIVES TO ENHANCE SLURRY DEWATERING  
The invention provides methods and compositions for improving dewatering of mineral slurry. The method comprises adding an R-Succinic Compound (such as octadecenyl succinic acid, hexadecenyl...
US20150183666 SITU CHEMICAL FIXATON OF METAL CONTAMINANTS  
Embodiments of the invention provide for treating arsenic contaminants in an in situ environment. In accordance with an embodiment of the invention, a stabilized oxidizing agent can be prepared,...
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...
US20150027957 Collection Tubes Apparatus, Systems, and Methods  
Methods of producing collection tubes are presented. The methods include providing a separator substance that can rapidly polymerize in a short time to a desired hardness and disposing the...
US20110309029 METHOD FOR REMOVING ARSENIC AS SCORODITE  
The invention relates to a method for removing arsenic as scorodite from solutions that contain iron and arsenic. In accordance with the method, arsenic is first precipitated as ferric arsenate...
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...
US20110203998 METHOD FOR REMOVING AMMONIA NITROGEN IN COKING WASTEWATER  
A new method for removing ammonia nitrogen in coking wastewater is disclosed in this invention. It comprises steps as follow: introducing coking wastewater into a reaction pool into which...
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...
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...
US20100038319 PROCESS FOR SEPARATING OFF CARBON BLACK FROM A WASTEWATER STREAM  
A process for cleaning a wastewater stream which comprises soot and is obtained in the preparation of acetylene, the soot being present in finely divided form in the wastewater, wherein the soot...
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...
US20150060368 TREATMENT OF GAS WELL PRODUCTION WASTEWATERS  
A method of treating a wastewater is provided and can be used, for example, to treat a gas well production wastewater to form a wastewater brine. The method can involve crystallizing sodium...
US20130048562 TREATMENT OF GAS WELL PRODUCTION WASTEWATERS  
A method of treating a wastewater is provided and can be used, for example, to treat a gas well production wastewater to form a wastewater brine. The method can involve crystallizing sodium...
US20140311989 METHOD FOR SOLIDIFYING FLOATING OIL IN FOOD WASTE WATER  
The invention relates to a method for solidifying a floating fat and oil in a food waste water, the method being capable of solidifying floating oil by uniformly mixing and aging the floating oil...
US20110203999 DEWATERING OF DRILLING MUD USING A FILTER PRESS  
A method of separating a mixture of liquid and insoluble solids in a filter press may comprise: diluting the mixture; adding a flocculating agent to the diluted mixture and stirring to form a...
US20140197111 Methods and systems for wastewater treatment and resource recovery  
Wastewater treatment methods and systems for removal of phosphorus (P) and nitrogen (N) from wastewater and for recovery of them as usable materials. Sufficient amount of dolomite lime and slaked...
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...
US20140054231 CENTRIFUGE PROCESS FOR DEWATERING OIL SANDS TAILINGS  
A process for dewatering oil sands tailings is provided, comprising providing a tailings feed having a solids content in the range of about 10 wt % to about 45 wt %; adding a flocculant to the...
US20090001020 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...
US20100158786 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...
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...
US20080230484 PROCESS FOR TREATING SLUDGE AND MANUFACTURING BIOORGANICALLY-AUGMENTED HIGH NITROGEN-CONTAINING INORGANIC FERTILIZER  
The invention describes a new method for treating sludge, which can result in the production of high nitrogen organically-augmented inorganic fertilizer that incorporates municipal sludges or...
US20130213893 SYSTEM AND METHOD FOR TREATING PRODUCED, DESALTED AND FLOW BACK WATER  
A system adapted to condition an initial water feed stream into a treated water stream and to discharge the treated water stream. The initial water feed stream includes at least one of: a...
US20140151296 PRODUCED WATER TREATMENT TO REMOVE ORGANIC COMPOUNDS  
Systems and methods for removing organic contaminants from water may be used, for example, to treat produced water from a steam assisted heavy oil recovery operation. The treated produced water...
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...
US20120228218 PROCESS FOR WORKUP OF NOX-CONTAINING OFFGASES FROM WASTEWATER STREAMS OF NITRATION PLANTS  
The present invention relates to a process for workup of nitrite-comprising alkaline process wastewaters from the nitration of aromatic compounds, wherein the alkaline process wastewater is...
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...
US20090218294 Methods for Recovering Organic-Inorganic Element-Doped Metal Oxides from Hydrolysable Metal Compounds Associated with Contaminated Water Treatment  
The present invention relates to a method for recovering an organic-inorganic element-doped metal oxide from a hydrolysable metal compound, accompanied with contaminated water treatment. The...
US20100223969 LOWERING VISCOSITY OF BIOSOLIDS  
Sewage sludge is dewatered to a cake-like state. The viscosity of the sludge is lowered by admixing a quantity of urea, urea-ammonium-nitrate, or other nitrogen-containing material, in with the...
US20110100924 Compact Wastewater Concentrator and Contaminant Scrubber  
A compact and portable liquid concentrator and contaminant scrubber includes a gas inlet, a gas exit and a flow corridor connecting the gas inlet and the gas exit, wherein the flow corridor...
US20090107920 SLUDGE TREATMENT SYSTEM  
When liquefying sludge, e.g as in U.S. Pat. No. 6,808,636, the combination of temperature, pH, and shearing, is synergistic. Described here is a system that provides for collating test sampling...
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)...
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...
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...
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...
US20130240442 PROCESS FOR PURIFICATION OF PRODUCED WATER  
We provide a process for treatment of produced water, including but not limited to water produced by a “steam flood” process for extraction of oil from oil sands, including the removal of color...
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...
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...

Matches 1 - 50 out of 71 1 2 >