| Patents for B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338) |
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| 07/11/1979 | EP0003013A1 Process and device for sludge thickening |
| 07/11/1979 | EP0002704A1 Method for removing mud from waters |
| 07/10/1979 | US4160734 For removing liquid, solid and semi-solid wastes |
| 07/03/1979 | US4159949 Contaminant remover |
| 07/03/1979 | CA1057673A1 Scum skimmer with buoyant chamber support |
| 06/26/1979 | US4159248 Denatering, sewage treatment |
| 06/26/1979 | CA1057209A1 Mixer-settlers |
| 06/13/1979 | EP0002254A1 Preparation of N-(aminomethyl)-alpha,beta-ethylenically unsaturated carboxamides, their polymers and the quaternized carboxamides thereof |
| 06/05/1979 | CA1055903A1 Centrifuge separation and washing device and method |
| 06/05/1979 | CA1055855A1 Electrostatic charge reduction in filter-separators |
| 06/05/1979 | CA1055802A1 Cationic flocculants for raw water clarification |
| 05/29/1979 | US4156644 Pulsating sludge bed with inclined plates |
| 05/22/1979 | US4155847 Cationic polymer flocculant prepared by reacting epichlorohydrin and a Mannich reaction product |
| 05/22/1979 | US4155845 Flocculation |
| 05/16/1979 | EP0001866A1 Device for gravity separating suspended substances from a liquid |
| 05/15/1979 | US4154682 For separating iron powder from a liquid |
| 05/15/1979 | US4154678 For collecting solid material from liquids having a hollow receptacle |
| 05/15/1979 | US4154671 Method and apparatus for recycling undelivered cement |
| 05/08/1979 | US4153419 Agglomeration of coal fines |
| 05/08/1979 | US4153375 Method of agitating slurries |
| 05/08/1979 | US4152800 Sludge suction unit for settling basins |
| 05/01/1979 | US4152264 Lake pump suction mechanism |
| 05/01/1979 | CA1053811A1 Sludge treating process |
| 05/01/1979 | CA1053586A1 Surface skimming system |
| 04/24/1979 | US4151091 By agglomeration and centrifuging |
| 04/24/1979 | US4151084 Sedimentation |
| 04/24/1979 | US4151082 Settling unit for circulated coke quenching water |
| 04/24/1979 | US4151075 Separation of components of a fluid mixture |
| 04/24/1979 | CA1053160A1 Centre post clarifier with sludge recirculation |
| 04/24/1979 | CA1053159A1 Sludge removal system |
| 04/19/1979 | WO1979000192A1 Method and arrangement for cleaning cutting fluid |
| 04/10/1979 | US4148731 Multi-stage apparatus for the separation of finely divided solids from liquids |
| 04/10/1979 | CA1052482A1 Waste water purification system |
| 04/10/1979 | CA1052289A1 Process and device for devining a creterion for a predeterminate preparation of the flow in fuid vein |
| 04/03/1979 | US4147628 Blood partitioning method |
| 04/03/1979 | CA1051792A1 Sedimentation tank having a rotary rake structure |
| 03/27/1979 | US4146473 Dewatering of mineral suspensions |
| 03/27/1979 | US4146471 Upward helical flow |
| 03/20/1979 | US4145287 Grease and water separating apparatus |
| 03/20/1979 | CA1051132A1 Sedimentation apparatus with flocculating feed well |
| 03/13/1979 | US4144174 Traveling siphon sludge collector |
| 03/13/1979 | US4144173 Raking device |
| 03/13/1979 | US4144172 Continuous cleansing through flotation and settling |
| 03/13/1979 | US4144170 Apparatus for water treatment |
| 03/13/1979 | CA1050680A1 Retention aids and flocculants based on polyacrylamides |
| 03/13/1979 | CA1050509A1 Telescoping serum separator and dispenser |
| 03/13/1979 | CA1050441A1 Lamellar separator with velocity-gradient coalescer |
| 03/06/1979 | US4142977 Device for extracting sludge from a circular decanter |
| 03/06/1979 | US4142970 Method and apparatus for mechanically and chemically treating liquids |
| 03/06/1979 | CA1050179A1 Method of reclaiming water and coal from coal treatment underflow by two-stage separation of solids |
| 02/27/1979 | US4141832 Apparatus for removal of solids from a sedimentation zone |
| 02/27/1979 | US4141831 Apparatus for removal of solids from a sedimentation zone |
| 02/21/1979 | EP0000714A2 Auxiliary agent for the improvement of retention, dehydration and preparation, especially for the manufacture of paper |
| 02/20/1979 | US4140638 Separating device for fluid system |
| 02/20/1979 | US4140632 Concentrator device and method |
| 02/13/1979 | US4139457 Method of and apparatus for purifying waste water |
| 02/13/1979 | CA1048419A2 Rotating radial screen filter |
| 02/06/1979 | US4138343 Apparatus for removing debris during sewage treatment |
| 01/30/1979 | US4137173 Trap for grease or other foreign matter dissolved or entrained in a liquid |
| 01/30/1979 | US4137170 Travelling precipitate collector |
| 01/30/1979 | CA1047692A1 Amine-epichlorohydrin polymeric compositions |
| 01/30/1979 | CA1047225A1 Hydroxychlorides of aluminium and method |
| 01/25/1979 | WO1979000027A1 Apparatus and process for ordinary and submarine mineral beneficiation |
| 01/23/1979 | US4136018 Vortex separator with coaxial inlet and lightweight reject pipelines |
| 01/23/1979 | US4136012 Compact apparatus for the purification of waste water by a physical chemical treatment |
| 01/23/1979 | CA1047178A1 Method for treating pulp-containing waste liquors |
| 01/23/1979 | CA1046871A1 Low viscosity piperidinium polymers, methods of preparation and use |
| 01/16/1979 | US4134833 Water recycle unit-grey water clearifier |
| 01/16/1979 | CA1046668A1 Process for treating slurry turbid water |
| 01/09/1979 | US4133771 Apparatus for bringing about particle growth in a flowing liquid suspension |
| 01/09/1979 | CA1045987A1 Device for treating a suspension |
| 01/02/1979 | US4132845 Mechanical dewatering process for elastomer slurries |
| 01/02/1979 | US4132643 Sludge and slime separating and settling device |
| 01/02/1979 | CA1045560A1 Pulse transfer thickening |
| 12/26/1978 | US4131736 Polymers of sulfonic acid monomers |
| 12/26/1978 | CA1045048A1 Grit selector |
| 11/28/1978 | US4127719 Heterogeneous vapor phase catalyst |
| 11/28/1978 | US4127488 Method and apparatus for separating solids from liquids |
| 11/28/1978 | US4126947 Settling and drying apparatus |
| 11/21/1978 | US4126551 Method and apparatus for handling solvent extraction crud |
| 11/21/1978 | CA1043032A1 Stabilization of cationically modified acrylamide polymers through the use of a halogen free oxygen containing inorganic acid or its alkali metal salts |
| 11/14/1978 | US4125467 Liquid-solids separator |
| 11/07/1978 | US4123947 Non-metallic transmission chain |
| 11/07/1978 | CA1041994A1 Prewetting air-atomized powdered polyelectrolytes |
| 10/31/1978 | US4123365 Oil-water separator |
| 10/24/1978 | US4122017 Multitube separator |
| 10/24/1978 | US4122016 Settling tank |
| 10/24/1978 | US4122009 Method of resolving a mixture of oil, water, and solids |
| 10/17/1978 | US4120898 Sulfur containing vinyl amide cross-linking agents |
| 10/17/1978 | US4120797 Cross-flow inclined plate clarifier |
| 10/17/1978 | US4120796 Vertical flow inclined plate clarifier |
| 10/17/1978 | US4120795 Device for separating a plural phase fluid system into its constituent phases |
| 10/17/1978 | US4120791 Sludge thickener apparatus and method |
| 10/17/1978 | US4120783 Slurrying, centrifuging |
| 10/17/1978 | CA1040546A1 Perforate tube separator with depending lamellar thickener |
| 10/10/1978 | US4119632 Method of promoting the crystallization of picloram |
| 10/10/1978 | US4119544 Settling container |
| 10/10/1978 | US4119539 Settling, agitation |
| 10/10/1978 | US4119273 System for pollution suppression |
| 10/10/1978 | CA1040326A1 Process for the treatment of a suspension |