ClassID:

86278

C02F1/5245 - page 2 - CPC Classification

Classification description:

Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron

Recent Application in this class:
#301
20180118583
2018-05-03

Electroplating wastewater treatment process using red mud, straw and seawater

#302
20180111856
2018-04-26

Process for Treating Acid Mine Drainage

#303
20180105442
2018-04-19

Methods and compositions for clarifying produced waters for boiler feed waters

#304
20180086647
2018-03-29

Method and device for treating water by contact with an adsorbent material

#305
20180073969
2018-03-15

Apparatus and method for determining chemical input

#306
20180057375
2018-03-01

Treatment of sludges and flocculants using insoluble mineral colloidal suspensions

#307
20180050938
2018-02-22

Process and apparatus for treating water

#308
20180050936
2018-02-22

INDUSTRIAL WATER PURIFICATION AND DESALINATION

#309
20180037471
2018-02-08

WASTEWATER TREATMENT SYSTEM

#310
20180028978
2018-02-01

Methods and systems for treating high temperature produced water

#311
20170369344
2017-12-28

Processes and treatment systems for treating high phosphorous containing fluids

#312
20170349462
2017-12-07

Process for removal of selenium from water by dithionite ions

#313
20170349459
2017-12-07

Contaminate removal using aluminum-doped magnetic nanoparticles

#314
20170341953
2017-11-30

WASTEWATER TREATMENT SYSTEM

#315
20170320758
2017-11-09

Magnetic separation device and raw water treatment apparatus

#316
20170313597
2017-11-02

Filtering system for removing chemicals from fluids

#317
20170297937
2017-10-19

METHOD FOR MANAGING A WASTEWATER TREATMENT PROCESS

#318
20170297930
2017-10-19

METHOD FOR TREATING WASTEWATER

#319
20170297924
2017-10-19

Water treatment process employing dissolved air flotation to remove suspended solids

#320
20170275167
2017-09-28

Method of phosphorus removal and recovery

#321
20170274431
2017-09-28

Mine drainage remediation using barium carbonate dispersed alkaline substrate

#322
20170274352
2017-09-28

PROCESS FOR FILTRATION ENHANCEMENT OF AQUEOUS DISPERSIONS

#323
20170267555
2017-09-21

Scrubber wastewater treatment method and scrubber wastewater treatment device

#324
20170260065
2017-09-14

Active management of fluidized beds of activated carbon

#325
20170253503
2017-09-07

Water treatment compositions and methods of use

#326
20170246091
2017-08-31

Aluminum chlorohydrate salts exhibiting high SEC peak 1

#327
20170210639
2017-07-27

Water purification

#328
20170203981
2017-07-20

Stable salt-free polyaluminum chlorosulfates

#329
20170191237
2017-07-06

Floating lake system and methods of treating water within a floating lake

#330
20170190600
2017-07-06

CHEMICAL TREATMENT PROCESS OF SEWAGE WATER

#331
20170144911
2017-05-25

Removal of arsenic from contaminated aqueous solutions

#332
20170144906
2017-05-25

SYSTEMS AND METHODS FOR TREATMENT OF WATER, SUCH AS OILFIELD WASTEWATER, VIA CHEMICAL COAGULATION

#333
20170144895
2017-05-25

METHOD FOR TREATING SOIL AND GROUNDWATER CONTAINING HEAVY METALS INCLUDING NICKEL

#334
20170137306
2017-05-18

TiObase coagulant and its application

#335
20170136504
2017-05-18

System and method for remediation of oil-contaminated sand

#336
20170129819
2017-05-11

Recovery of phosphorous

#337
20170129792
2017-05-11

Selenium removal using aluminum salt at conditioning and reaction stages to activate zero-valent iron (ZVI) in pironox process

#338
20170121201
2017-05-04

Wastewater treatment system and methods

#339
20170113952
2017-04-27

Recycled Water and Solids Management System

#340
20170113943
2017-04-27

Method for making sulfated polyaluminum chloride (PACS) or polyaluminum chloride (PAC) and PACs or PAC made by same

#341
20170096357
2017-04-06

Waste water decontamination

#342
20170088447
2017-03-30

Processing of aqueous waste streams to remove naphthenic acids

#343
20170057849
2017-03-02

Wastewater treatment process for removing chemical oxygen demand

#344
20170050848
2017-02-23

Method for purifying raw phosphoric acid (e.g. MGA acid) by adding ashes originating from waste incineration plants, comprising the production of pure phosphoric acid, calcium sulfate, water-soluble calcium hydrogen phosphates and metal salt solution

#345
20170036936
2017-02-09

Process for the treatment of high sulphate waters

#346
20170029306
2017-02-02

Water treatment system and power generation facility

#347
20170008786
2017-01-12

Method for treating ammonia-containing water

#348
20170001889
2017-01-05

MICRO-ENCAPSULATING FLOCCULATING DISPERSION WATER TREATMENT SYSTEM

#349
20160376169
2016-12-29

Method of deodorizing sludge and device for performing said method

#350
20160340208
2016-11-24

Transiently-operated desalination systems with heat recovery and associated methods

#351
20160311712
2016-10-27

Natural pyrrhotite biological filter and method for utilizing same to synchronously remove nitrate-nitrogen and phosphorus from water

#352
20160304373
2016-10-20

LOW ENERGY ACID MINE DRAINAGE TREATMENT PROCESS AND SYSTEM

#353
20160297697
2016-10-13

Systems and methods of reducing a bacteria population in high hydrogen sulfide water

#354
20160297692
2016-10-13

Purification of oil-polluted water and device suitable therefor

#355
20160297690
2016-10-13

Removal of oil recovery chemicals from production fluids

#356
20160289109
2016-10-06

ENHANCED TREATMENT SHAFT

#357
20160289092
2016-10-06

Removal of dissolved selenium from aqueous solutions

#358
20160272523
2016-09-22

Wastewater Treatment Method, System and Pollutant Decomposition Activity Measuring Method

#359
20160251241
2016-09-01

Wastewater treatment method and wastewater treatment apparatus

#360
20160221847
2016-08-04

Water treatment compositions and methods of use

#361
20160221846
2016-08-04

PROCESS FOR WATER TREATMENT PRIOR TO REVERSE OSMOSIS

#362
20160208347
2016-07-21

Process including a carbonation step

#363
20160175350
2016-06-23

ALUMINUM CHLOROHYDRATE SALTS EXHIBITING HIGH SEC PEAK 3

#364
20160167999
2016-06-16

METHOD FOR TREATING SULFATE-, CHLORIDE, MERCURY- AND SELENIUM-CONTAINING WASTE WATER

#365
20160167998
2016-06-16

Method for treating water containing organic matter using ion exchange and ballasted flocculation

#366
20160167987
2016-06-16

Process for reducing the sulfate concentration in a wastewater stream by employing regenerated gibbsite

#367
20160159674
2016-06-09

Methods and systems for reducing biofouling of microfiltration membranes

#368
20160145133
2016-05-26

Method for treatment of a wastewater stream containing dissolved compounds or ions

#369
20160145132
2016-05-26

WATER TREATMENT DEVICE AND WATER TREATMENT METHOD

#370
20160122200
2016-05-05

Method for obtaining an iron-comprising solution of high concentration

#371
20160115062
2016-04-28

Mobile wastewater treatment system

#372
20160115053
2016-04-28

Method for removing selenium and apparatus for removing selenium

#373
20160107906
2016-04-21

POLY ALUMINIUM-SILICATE COMPOSITIONS AND PROCESSES FOR PRODUCING THE SAME

#374
20160102006
2016-04-14

Wastewater treatment processes employing high rate chemical softening systems

#375
20160101999
2016-04-14

Method of treating suspended solids and heavy metal ions in sewage

#376
20160083268
2016-03-24

Enhanced biosorption of wastewater organics using dissolved air flotation with solids recycle

#377
20160068417
2016-03-10

Systems and method of water treatment utilizing reactive oxygen species and applications thereof

#378
20160068415
2016-03-10

IMPROVED METHOD FOR REMOVING FLUORIDE FROM AQUEOUS STREAMS

#379
20160068414
2016-03-10

Addition of aluminum reagents to oxoanion-containing water streams

#380
20160060144
2016-03-03

Method of removing particulate silicon from an effluent water

#381
20160060137
2016-03-03

Dissolved air flotation device

#382
20160046513
2016-02-18

Composition and system for flocculating or settling solids from liquids and methods for using same

#383
20160023934
2016-01-28

Portable, non-biological, cyclic sewage treatment plant

#384
20160023933
2016-01-28

BioFerric-flocculant enhanced primary treatment process (BEPT) for sewage treatment

#385
20160009582
2016-01-14

Methods and systems for treating produced water

#386
20160009576
2016-01-14

Method to optimise the chemical precipitations process in a water- or waste water treatment plants

#387
20150353400
2015-12-10

System and method for treating waste water by means of passive phosphorus capture

#388
20150353388
2015-12-10

Simultaneous recovery of coagulant and acid

#389
20150345164
2015-12-03

System and method for maintaining water quality in large water bodies

#390
20150307377
2015-10-29

PROCESS FOR MAKING WATER DRINKABLE

#391
20150307376
2015-10-29

Method for treating waste water containing fluorine component

#392
20150291449
2015-10-15

Electroplating waste water treatment method

#393
20150284272
2015-10-08

Divalent ion removal from monoethylene glycol-water streams

#394
20150274556
2015-10-01

Processes and treatment systems for treating high phosphorous containing fluids

#395
20150225269
2015-08-13

Method for effluent treatment in smelting of nickel oxide ore

#396
20150218020
2015-08-06

Method for treating fracture water for removal of contaminants at a wellhead

#397
20150210574
2015-07-30

Treatment using fixed film processes and ballasted settling

#398
20150210566
2015-07-30

Self-contained irrigation polishing system

#399
20150203392
2015-07-23

DRAINAGE TREATMENT SYSTEM AND COMBINED POWER GENERATION FACILITY

#400
20150191376
2015-07-09

Mineralogical removal method and apparatus for highly concentrated iodine in radioactive wastewater

#401
20150191375
2015-07-09

Device For Transforming Soluble Phosphates Found In Washing Machine Wastewater Into Insoluble Form By Precipitation

#402
20150190727
2015-07-09

Stacked type falling film evaporator, zero liquid discharge system comprising the same, and zero liquid discharging method using the same

#403
20150183667
2015-07-02

Metalloid contaminated water solution purification process for safe human consumption-rated reduction of contaminant concentration therein, by precipitation without oxidation

#404
20150166361
2015-06-18

System and method for maintaining water quality in large water bodies

#405
20150152309
2015-06-04

Treated geothermal brine compositions with reduced concentrations of silica, iron and lithium

#406
20150151999
2015-06-04

Sludge treatment method

#407
20150125212
2015-05-07

Floating lake system and methods of treating water within a floating lake

#408
20150122743
2015-05-07

Method for reducing chemical oxygen demand of waters containing starch, milk, whey, and other similar behaving organic components

#409
20150122740
2015-05-07

Fluid treatment system

#410
20150122736
2015-05-07

Removal of selenium from coal mining runoff water

#411
20150114910
2015-04-30

Apparatus and method for cleaning water

#412
20150090667
2015-04-02

Water treatment compositions and methods of use

#413
20150083669
2015-03-26

Reduction or removal of sulfates from water

#414
20150083662
2015-03-26

Anaerobic suspended growth treatment of contaminated water

#415
20150076070
2015-03-19

Advanced treatment method for biochemical tail water of coking wastewater

#416
20150060368
2015-03-05

Treatment of gas well production wastewaters

#417
20150001159
2015-01-01

Phosphate recovery from wastewater

#418
20150001158
2015-01-01

Cleaning systems devices and processes

#419
20140367335
2014-12-18

Method for removing mercury and selenium from sulfate-containing waste water

#420
20140367331
2014-12-18

Method for resourceful utilization of desorption liquid generated in the resin ion exchange process

#421
20140360941
2014-12-11

Reverse osmosis treatment apparatus

#422
20140360937
2014-12-11

Reverse osmosis treatment device and method for cleaning reverse osmosis treatment device

#423
20140353257
2014-12-04

Compositions for water treatment and methods of using thereof

#424
20140348733
2014-11-27

Continuous Fe(III) production at atmospheric pressures

#425
20140348730
2014-11-27

Hydrogen chloride removal process

#426
20140346114
2014-11-27

Technique for removal of organics and dissolved solids from aqueous medias via supercritical treatment

#427
20140346111
2014-11-27

SEAWATER TREATMENT METHOD

#428
20140335602
2014-11-13

Chemical oxidation and biological attenuation process for the treatment of contaminated media

#429
20140335601
2014-11-13

Chemical oxidation and biological attenuation process for the treatment of contaminated media

#430
20140319070
2014-10-30

Composition for treating suspensions of solid particles in water and method using said composition

#431
20140319068
2014-10-30

METHODS FOR TREATING METALS AND METALLOIDS

#432
20140319059
2014-10-30

Method and kit for treating recreational water

#433
20140311990
2014-10-23

Turbulence inducing device and methods of use

#434
20140311959
2014-10-23

Wastewater treatment device

#435
20140299823
2014-10-09

Aqueous suspensions of calcium carbonate-comprising materials with low deposit built up

#436
20140291252
2014-10-02

METHOD FOR PURIFYING WASTE WATER FROM A STAINLESS STEEL SLAG TREATMENT PROCESS

#437
20140284256
2014-09-25

Copper recovery apparatus

#438
20140263081
2014-09-18

Industrial water purification and desalination

#439
20140263079
2014-09-18

Wastewater treatment system and method

#440
20140263072
2014-09-18

Process and plant for treating water

#441
20140263058
2014-09-18

METHODS OF FILTRATION AND CHEMICAL TREATMENT OF WASTE WATER

#442
20140263057
2014-09-18

PROCESS FOR RECOVERING OIL FROM AN OIL-BEARING FORMATION AND TREATING PRODUCED WATER CONTAINING ANTI-SCALING ADDITIVES

#443
20140263056
2014-09-18

PROCESS FOR WATER TREATMENT PRIOR TO REVERSE OSMOSIS

#444
20140262279
2014-09-18

Modular system for extracting hydrocarbons from subterranean volumes and associated methods

#445
20140251921
2014-09-11

Composition and processfor removing impurities from a circulating water system

#446
20140231041
2014-08-21

Treated geothermal brine compositions with reduced concentrations of iron and silica

#447
20140224734
2014-08-14

Removal of boron from saline water using alkalized NF membrane pretreatment

#448
20140224733
2014-08-14

Colloidal silica addition to promote the separation of oil from water

#449
20140209831
2014-07-31

Surface-reacted calcium carbonate and its use in waste water treatment

#450
20140196753
2014-07-17

System for ion exchange resin regeneration and regenerant recovery

#451
20140190898
2014-07-10

Cactus mucilage and ferric ions for the removal of arsenate (As(V)) from water

#452
20140190896
2014-07-10

Method for treating industrial waste

#453
20140187452
2014-07-03

Treated geothermal brine compositions with reduced concentrations of silica, iron and manganese

#454
20140174745
2014-06-26

Treated geothermal brine compositions with reduced concentrations of silica, iron, and zinc

#455
20140170047
2014-06-19

Method for removing impurities from flue gas condensate

#456
20140165563
2014-06-19

Treated brine compositions with reduced concentrations of potassium, rubidium, and cesium

#457
20140158632
2014-06-12

SELECTIVE SEPARATION OF A SALT FROM WATER

#458
20140151301
2014-06-05

Method for treating arsenic-containing aqueous solution

#459
20140144843
2014-05-29

Process for reducing the sulfate concentration in a wastewater stream by employing regenerated gibbsite

#460
20140131259
2014-05-15

System and methods of determining liquid phase turbidity of multiphase wastewater

#461
20140124453
2014-05-08

Chemical co-precipitation process for recovery of flow-back water, produced water and wastewater of similar characteristics

#462
20140124452
2014-05-08

METHODS FOR REMOVING MERCURY FROM WASTEWATER STREAMS

#463
20140124447
2014-05-08

Formulations and methods for removing heavy metals from waste solutions containing chelating agents

#464
20140124420
2014-05-08

Hybrid artificial wetland water purification system, sewage treatment device using same, and natural nonpoint purification device capable of simultaneously purifying river and lake water

#465
20140116954
2014-05-01

Removal of ions from aqueous fluid

#466
20140110627
2014-04-24

Compositions and methods for the removal of phosphates and other contaminants from aqueous solutions

#467
20140097140
2014-04-10

Method and system for treating water in order to reduce its endocrine disrupting effect by means of a living organism

#468
20140080945
2014-03-20

Process for improving the rheological properties of an aqueous dispersion

#469
20140076822
2014-03-20

Process for Filtration Enhancement of Aqueous Dispersions

#470
20140069821
2014-03-13

System and method for treatment of produced waters

#471
20140053872
2014-02-27

Methods and compositions for the treatment and recovery of purge solvent

#472
20140048470
2014-02-20

System for Treating Water From Induced Hydraulic Fracturing

#473
20130319951
2013-12-05

Calcium and Aluminum Chlorides for Sulfate Removal from Water

#474
20130319941
2013-12-05

SIMULTANEOUS RECOVERY OF COAGULANT AND ACID

#475
20130313202
2013-11-28

Process for the purification of iron salt solutions

#476
20130299422
2013-11-14

Treatment agent for salt-containing organic waste liquid, salt concentration-reducing agent, treatment method for salt-containing organic waste liquid, and entrapment immobilization carrier

#477
20130299420
2013-11-14

Phosphate recovery from acid phase anaerobic digesters

#478
20130292342
2013-11-07

Composition and system for flocculating or settling solids from liquids and methods for using same

#479
20130270189
2013-10-17

Treatment of contaminated impound water

#480
20130256235
2013-10-03

WATER TREATMENT COMPOSITIONS AND METHODS OF USE

#481
20130248175
2013-09-26

Method for recovering hydrocarbon fluids using a hydraulic fracturing process

#482
20130240450
2013-09-19

Method for treating highly concentrated resin-desorption liquid generated from wastewater deep purification

#483
20130224140
2013-08-29

Aluminum salt containing high percentage of Al

#484
20130220939
2013-08-29

Method of controlling addition rate of an odor control chemical

#485
20130213895
2013-08-22

Wastewater treatment system

#486
20130206690
2013-08-15

Water Treatment Via Ultrafiltration

#487
20130200002
2013-08-08

Calcium removal method

#488
20130105401
2013-05-02

Method for removing phosphorus and nitrogen contained in sewage or wastewater using iron ore wastewater

#489
20130098848
2013-04-25

Wastewater treatment system and methods

#490
20130056422
2013-03-07

Reduction of organic phosphorus acids

#491
20130055777
2013-03-07

Lime-based compositions, method for making them and their use in treating water and sludge

#492
20130048562
2013-02-28

Treatment of gas well production wastewaters

#493
20130043193
2013-02-21

Compositions for Conditioning Sludge

#494
20130015143
2013-01-17

NON-DESTRUCTIVE METHOD FOR ALGAE CONTAMINATED WATER TREATMENT AND ALGAE HARVEST OR REMOVAL

#495
20130012752
2013-01-10

Process, decontaminant and chemical kit for the decontaminating media polluted with metals and hydrophobic organic compounds

#496
20120325469
2012-12-27

PROCESS AND SYSTEM FOR TREATING PRODUCED WATER AND FLOWBACK WATER FROM OIL AND GAS OPERATIONS

#497
20120312727
2012-12-13

Copper recovery apparatus

#498
20120297846
2012-11-29

Isolated bioactive compounds and method of use

#499
20120288435
2012-11-15

Fluorine recovering apparatus and method for recovering fluorine

#500
20120264591
2012-10-18

Removing phosphorus from surface and drainage waters through use of industrial by-products

#501
20120255904
2012-10-11

Method of recovering oil or gas and treating the resulting produced water

#502
20120228229
2012-09-13

Treatment or remediation of natural or waste water

#503
20120193295
2012-08-02

METHOD FOR TREATING EFFLUENT WATERS

#504
20120193293
2012-08-02

WASTEWATER TREATMENT METHOD

#505
20120168674
2012-07-05

Environmentally-friendly functional antifoaming agent using loess

#506
20120160770
2012-06-28

Process for reducing the sulfate concentration in a wastewater stream

#507
20120152854
2012-06-21

Method for Processing Sludge

#508
20120141407
2012-06-07

Chemical optimization during wastewater treatment, odor control and uses thereof

#509
20120137883
2012-06-07

Method for recovering gas from shale reservoirs and purifying resulting produced water to allow the produced water to be used as drilling or frac water, or discharged to the environment

#510
20120085705
2012-04-12

Wastewater chemical/biological treatment method for open water discharge

#511
20120037569
2012-02-16

SYSTEM AND METHOD FOR MINERAL HARDNESS MANAGEMENT

#512
20120031850
2012-02-09

Extraction of Sulfate from Water

#513
20120006755
2012-01-12

Process for treatment of water containing azole-type anticorrosive for copper

#514
20120006101
2012-01-12

Method for determining the optimal treatment dosage for metals removal

#515
20110290722
2011-12-01

Activated sludge process in wastewater treatment

#516
20110259805
2011-10-27

SYSTEM FOR REMOVING PARTICULATE MATTER FROM WASTEWATER

#517
20110259195
2011-10-27

River water utilizing flue gas desulfurization system and humic substance removing method

#518
20110253613
2011-10-20

CONTAMINANT REMOVAL SYSTEM UTILIZING DISC FILTER

#519
20110233124
2011-09-29

ACIDIC WATER AND ITS USE FOR DRAINAGE OR SEPARATION OF SOLIDS

#520
20110215041
2011-09-08

Magnetic separation apparatus and waste water treatment apparatus

#521
20110171322
2011-07-14

FLOCCULATING ALGICIDE COMPOSITION

#522
20110168639
2011-07-14

Wastewater treatment method and wastewater treatment apparatus

#523
20110139724
2011-06-16

Composition and Method for Reducing Chlorite in Water

#524
20110139714
2011-06-16

PROCESS FOR REDUCING BULKING SLUDGE IN ACTIVATED SLUDGE WASTEWATER TREATMENT

#525
20110127220
2011-06-02

Method for treating water by advanced oxidation and ballasted flocculation, and corresponding treatment plant

#526
20110113840
2011-05-19

Method for treating and/or pretreating liquid manure or biogas plant reject for the elimination of harmful substances, particularly nitrogen, phosphorus, and odor molecules

#527
20110094969
2011-04-28

REMOVAL OF ARSENIC FROM DRINKING AND PROCESS WATER

#528
20110094963
2011-04-28

MEMBRANE SEPARATION METHOD AND MEMBRANE SEPARATION DEVICE

#529
20110089109
2011-04-21

Method for treatment of sludge

#530
20110077144
2011-03-31

Regeneration of ion exchange resin and recovery of regenerant solution

#531
20110062377
2011-03-17

Clarification of water and wastewater

#532
20110042319
2011-02-24

Method for processing sludge

#533
20110036772
2011-02-17

Method of removing phosphorus from wastewater

#534
20110031130
2011-02-10

Method for purifying aqueous compositions

#535
20110024360
2011-02-03

COMPOSITIONS AND METHODS FOR WASTEWATER TREATMENT

#536
20110004043
2011-01-06

SET OF COLLECTABLE, SUPERIMPOSABLE CARDS

#537
20100326923
2010-12-30

Composition and process for removing impurities from a circulating water system

#538
20100326912
2010-12-30

PROCESS FOR PRODUCING RECLAIMED WATER

#539
20100314326
2010-12-16

Compositions for Conditioning Sludge

#540
20100313619
2010-12-16

Lime-based compositions, method for making them and their use in treating water and sludge

#541
20100282674
2010-11-11

Phosphate recovery from acid phase anaerobic digesters

#542
20100219082
2010-09-02

METHOD AND INTEGRAL SYSTEM FOR TREATING WATER FOR COOLING TOWERS AND PROCESSESS REQUIRING REMOVAL OF SILICA FROM THE WATER

#543
20100181236
2010-07-22

Wastewater Treatment System

#544
20100170845
2010-07-08

Waste activated sludge phosphorus and magnesium stripping process and struvite production system

#545
20100163486
2010-07-01

METHOD OF OBTAINING A COAGULANT PRODUCT, PRODUCT INTENDED TO PRODUCE SAID COAGULANT, AND METHOD OF TREATING WASTE WATER AND/OR INDUSTRIAL WATER USING SAID COAGULANT

#546
20100155643
2010-06-24

Method for preparing acidic solutions of activated silica for water treatment

#547
20100150818
2010-06-17

Clarification of water and wastewater

#548
20100147766
2010-06-17

SEPARATION PROCESS

#549
20100086987
2010-04-08

Process for the purification of water using surface treated calcium carbonate

#550
20100051555
2010-03-04

Process of removal of arsenic from water

#551
20100051526
2010-03-04

Phosphorous removal system

#552
20100044317
2010-02-25

Water purification device for arsenic removal

#553
20100044315
2010-02-25

Phosphorus removal method

#554
20100038081
2010-02-18

Method for removing silica from evaporator concentrate

#555
20100025626
2010-02-04

Two-layer compacted solid product for water potabilization and preparation method

#556
20090294381
2009-12-03

METHODS FOR CONTROLLING PH IN WATER SANITIZED BY CHEMICAL OR ELECTROLYTIC CHLORINATION

#557
20090263503
2009-10-22

Compositions for cleaning contained bodies of water with metal hydrates

#558
20090230054
2009-09-17

Contaminant Removal System And Method For A Body Of Water

#559
20090217583
2009-09-03

Method of converting animal wastes to energy and useful by-products

#560
20090211982
2009-08-27

PROCESS FOR TREATING EFFLUENT LIQUID FRACTION FROM POST ANAEROBIC DIGESTION

#561
20090206028
2009-08-20

Combined nutrient recovery and biogas scrubbing system integrated in series with animal manure anaerobic digester

#562
20090194476
2009-08-06

Waste activated sludge stripping to remove internal phosphorus

#563
20090184288
2009-07-23

Flocculant and Method for Manufacturing the Same

#564
20090180947
2009-07-16

Method For Producing Calcium Fluoride, Reusing Method And Recycling Method Thereof

#565
20090176118
2009-07-09

Method for manufacturing aluminum salt solution, aluminum salt solution, aluminum salt, water purifying apparatus using the same, and articles manufactured by using the same

#566
20090145849
2009-06-11

SOLUTION AND METHOD FOR SCAVENGING SULPHUR COMPOUNDS

#567
20090120881
2009-05-14

TREATMENT BLENDS FOR REMOVING METALS FROM WASTEWATER, METHODS OF PRODUCING AND PROCESS OF USING THE SAME

#568
20090101588
2009-04-23

Removal of Arsenic from Drinking and Process Water

#569
20090082607
2009-03-26

METHOD FOR TREATING FLUORIDE-CONTAINING WASTE WATER AND SYSTEM OF TREATING WASTE WATER

#570
20090020482
2009-01-22

Method for removing contaminant trace species, especially arsenic, from water

#571
20090013742
2009-01-15

Compositions and methods for wastewater treatment

#572
20080314838
2008-12-25

Fluidized bed precipitator with optimized solids settling and solids handling features for use in recovering phosphorus from wastewater

#573
20080314833
2008-12-25

COAGULANT DOSING PROCESS FOR MEMBRANE FILTRATION

#574
20080314830
2008-12-25

Method of removing phosphorus from wastewater

#575
20080296232
2008-12-04

Wastewater clarifier and process

#576
20080264871
2008-10-30

Method of treating fumed silica-containing drainage water

#577
20080245742
2008-10-09

Wastewater Treatment Method and Wastewater Treatment System

#578
20080237139
2008-10-02

Method of water management in the aggregate industry

#579
20080203032
2008-08-28

Method for removing manganese from nickel laterite waste liquors

#580
20080169245
2008-07-17

Solids separation technology

#581
20080131354
2008-06-05

Polyaluminum calcium hydroxychlorides and methods of making the same

#582
20080110835
2008-05-15

Decolorization method of colored effluent

#583
20080099405
2008-05-01

Flocculating agent method for the production and use thereof

#584
20080099393
2008-05-01

PROCESS FOR RECYCLING PAINT FLUSH SOLUTION

#585
20080093580
2008-04-24

Composition for removing arsenic from aqueous streams

#586
20080067131
2008-03-20

System for mineral hardness management

#587
20080056982
2008-03-06

Process for recycling waste acid

#588
20080039317
2008-02-14

Double-layered compacted solid water-purification product

#589
20080038169
2008-02-14

METHOD FOR TREATING HEAVY METALS FROM AN EFFLUENT CONTAINING CHELATING AGENTS (EDTA, CDTA, OR CITRATE)

#590
20080028811
2008-02-07

Use of partly prehydrated lime for separating a solid matter/liquid mixture, method for treating sludge and purified sludge obtained by said method

#591
20080011686
2008-01-17

Method and composition for removing contaminants from an aqueous solution

#592
20080000838
2008-01-03

Method for cleaning contained bodies of water

#593
20070272616
2007-11-29

Water treatment mixture and methods and system for use

#594
20070256982
2007-11-08

Compositions and methods for wastewater treatment

#595
20070256979
2007-11-08

Hydrogen peroxide based water treatment method

#596
20070224097
2007-09-27

Methods of treatment of chromite ore processing residue

#597
20070205159
2007-09-06

Method for treating acidic waters using recycled acidic and basic sludges

#598
20070199903
2007-08-30

System For Removing Solids From Aqueous Solutions

#599
20070199896
2007-08-30

Water Treatment Method And Apparatus Using Pretreatment And Membranes

#600
20070187329
2007-08-16

Water treatment method