Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 21 - Separation of suspended solid particles from liquids by sedimentation
Patents for B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338)
12/1980
12/30/1980CA1092549A1 Vortex separator with coaxial inlet and lightweight reject pipelines
12/30/1980CA1092363A1 Filtration dewatering of iron ore concentrates
12/23/1980US4240910 Method and apparatus for clarifying coke quenching water
12/23/1980CA1092033A1 Suction clarifier
12/16/1980CA1091593A1 Gravitational separator having membrane baffles therein
12/11/1980WO1980002719A1 Method of separating weighting material from drilling mud
12/11/1980WO1980002716A1 Device for rectification of drilling mud
12/10/1980EP0019704A1 Process and apparatus for controlled chemical precipitation of alien matter from a liquid
12/09/1980US4238336 Sludge diffusion method and apparatus
12/09/1980US4238333 Waste water-oil separator
12/09/1980US4238332 Creating thermal barrier
12/09/1980US4238304 Electrical potential gradient
12/09/1980CA1091371A1 Monobloc apparatus for water treatment
11/1980
11/27/1980WO1980002515A1 Sludge decanter thickener
11/26/1980EP0019538A1 Sludge settling and thickening apparatus
11/26/1980EP0019216A1 Process for purifying waste water
11/25/1980US4235726 Automatic grease separating apparatus
11/25/1980US4235709 Conditioning with a silicate, adding a cellulose, starch, or polysaccharide carboxylic acid
11/18/1980US4234689 Production of α-emulsans
11/18/1980US4234413 Method and apparatus for self-cleaning drilling mud separation system
11/18/1980US4234074 Apparatus for separating metal cuttings from liquid coolants
11/13/1980WO1980002380A1 Controlled protein fractionation
11/11/1980CA1089374A1 Apparatus for water treatment
10/1980
10/28/1980US4230801 Biosynthesis
10/28/1980US4230581 Centrifugal separators
10/28/1980US4230569 Method and apparatus for supplying dissolved chemicals into water
10/28/1980CA1088432A1 Equipment for gravity collecting and handling of products from the tanks filled up with liquid for dewatering devices
10/21/1980US4228943 Device for separating suspended material from a fluid stream by specific gravity difference
10/21/1980CA1087995A1 Process and facility for the automatic control of mud extraction in a water treatment plant
10/16/1980WO1980002114A1 Improvements to centrifugal separators
10/15/1980EP0017649A1 Separator for liquid mixtures with fractions of differing specific gravity
10/15/1980EP0017634A1 A solid flocculating agent, a method for its manufacture and its use
10/15/1980EP0017555A1 Process for the preparation of water-soluble acrylic polymers or copolymers with a high molecular weight and with a low content of unreacted monomers
10/14/1980US4228009 Toroidal coil planet centrifuge
10/14/1980US4228005 Mechanical dewatering apparatus for elastomer slurries
10/14/1980US4228004 Method and apparatus for removal of by-products of chemical vapor deposition from oil for vacuum pump
10/14/1980US4228002 Precipitation of asphaltenes and settling of mineral matter
10/07/1980US4226718 Coagulation
10/07/1980US4226717 Waste water treatment
10/07/1980US4226714 Thickener control system
10/07/1980CA1087132A1 Method for coalescing mercury particles
10/02/1980WO1980002046A1 Method and device for processing the drilling mud
10/02/1980WO1980001996A1 Device for rectification of drilling mud
10/01/1980EP0016690A1 Apparatus for separating solids from suspensions in a liquid influent
10/01/1980EP0016546A1 Extracellular microbial lipoheteropolysaccharides and derivatives, their preparation and compositions containing them, and their uses
10/01/1980EP0016531A2 Purification of phosphoric acid
09/1980
09/30/1980US4225426 Magnetic beneficiation of clays utilizing magnetic particulates
09/30/1980US4225425 Method for separating metallic minerals utilizing magnetic seeding
09/30/1980US4224821 Apparatus and method for sensing the quality of dewatered sludge
09/23/1980US4224157 Process and apparatus for separating solids from suspensions of influent
09/23/1980US4224156 Weir skimmer
09/23/1980CA1086314A1 Synthetic organic flocculants to clarify raw sugar liquor
09/23/1980CA1086238A1 Sewage settling tank
09/16/1980US4222879 Settling clarifier
09/16/1980CA1085592A1 Countercurrent decantation
09/09/1980US4221671 Upright circular tube settler with stacked tube modules
09/09/1980US4221633 Method and apparatus for controllably recycling the solids content of the effluent from an asbestos-cement products forming plant
09/09/1980CA1085522A1 Process for clarifying raw water
09/09/1980CA1085317A1 Centrifugal separator concentrator device and method
09/09/1980CA1085314A1 Method and device for separation of suspended material from a fluid flow
09/04/1980WO1980001800A1 Method for eliminating aromatic amines from waste water
09/03/1980EP0014859A1 Apparatus for separating a solid or viscous liquid component from a mixture
09/03/1980EP0014767A1 Acrylyl or methacrylyl ureas containing quaternary groups and process for their preparation
09/02/1980CA1085070A1 Thickening device and method
08/1980
08/26/1980US4219428 Water reservoir
08/26/1980CA1084450A2 Hydrocyclone system including improved header- manifold arrangements
08/19/1980US4218325 Apparatus for separation of suspensions
08/19/1980CA1083978A1 Two-stage decanter
08/19/1980CA1083977A1 Skimmer for square settling tank
08/12/1980CA1083742A1 Stabilized mannich-base substituted water-in-oil polymer dispersions
08/12/1980CA1083530A1 Suspended solids extraction system and method
08/05/1980US4215989 Process for chrome recovery from industrial waste and the like, as from chrome-ladened tannery waste, including pollution control of the same
07/1980
07/24/1980WO1980001498A1 Method and device for separating the solid phase in a drilling mud
07/23/1980EP0013499A1 Oily water plate separator
07/22/1980US4213865 Apparatus for separating sludge, oil and the like from contaminated water
07/22/1980US4213862 Inclined v-shaped plates
07/15/1980US4212737 Processes and apparatus for removing suspended matter from suspensions by filtration through foams
07/15/1980US4212736 Water atomizing gravity settling on filter bed, suction
07/15/1980CA1081878A1 Cationic polymer prepared from dicyandiamide
07/08/1980CA1081255A1 Stable substituted acrylamides or methacrylamides
06/1980
06/25/1980EP0012461A1 Coal gasification plant
06/25/1980EP0012151A1 Process and device for the removal of slag resulting from coal gasification
06/24/1980US4209397 Flocculants for aqueous systems
06/24/1980US4209386 Method and apparatus for the wet gravity concentration of ores
06/24/1980CA1080114A1 Elutriation leg and method
06/17/1980US4208291 Apparatus for separating solids of relatively low specific gravity from heavier liquids
06/17/1980CA1079654A1 Separator with throw-away container
06/10/1980CA1079205A1 Sedimentation tank with raking structure
06/10/1980CA1079204A1 Sludge suction unit for settling basins
06/03/1980US4206052 Multi stage flocculation treatment system
06/03/1980CA1078996A1 Quaternized epichlorohydrin copolymer useful in removing suspended solids from water and method of preparation
06/03/1980CA1078748A1 Sludge scraper for arcuate sedimentation zone
05/1980
05/20/1980US4203849 Apparatus for cleaning water containing foreign particles such as suspended matters or oil
05/20/1980CA1078082A1 Apparatus for clarification of waste water operating on dissolved air flotation process
05/13/1980US4202778 Gravity segregation of a carrier liquid and suspended substances
05/13/1980US4202371 System for pollution suppression
05/13/1980CA1077637A1 Flocculating agent comprising water-in-oil emulsion of h-active polymer carrying formaldehyde and amine radicals
05/06/1980CA1076965A1 Device for discharging floating matter from a supernatant layer
04/1980
04/30/1980EP0010395A1 Settling tank
04/30/1980EP0010337A1 A plant for gathering and purifying water and waste water
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