| Patents for B03B 9 - General arrangement of separating plant, e.g. flow sheets (5,723) |
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| 03/05/1992 | DE4027880A1 Cleaning of waste material from building industry - by separating fine sand before adding flocculating medium |
| 03/05/1992 | DE4027056A1 Fluoro-chloro-hydrocarbon cpds. are recovered during disposal - of cooling appts. by repeated crushing of appts. to finer size granules in sealed zone, and sucking out liberated fluoro-chloro-hydrocarbon |
| 03/03/1992 | US5092527 Fluorescent tube crusher with particulate separation and recovery |
| 03/03/1992 | CA1296673C Density classification of particulate materials by elutriation methods(improved) |
| 02/26/1992 | EP0472242A1 Method for separating waste |
| 02/26/1992 | EP0472173A2 Method for treating waste dump material, more particularly old waste dumps |
| 02/25/1992 | US5091077 Trommel material air classifier |
| 02/18/1992 | US5088974 Process for facilitating removal of classified powders |
| 02/11/1992 | US5087379 Recovering mineral particles from ores or coal particles from slurries |
| 02/06/1992 | DE4125164A1 Plant for recovering plastics from scrap - removes large dirt, then disintegrates material, washes it, disintegrates further and washes before drying for reuse in producing film |
| 02/06/1992 | DE4024130A1 Separating mixed plastic materials - by producing each type with its own markings, irradiating mixt., analysing characteristic emissions and using them to control sorting |
| 02/05/1992 | EP0469904A2 Process and apparatus for separating heterogeneous plastic material into homogeneous fractions |
| 02/05/1992 | EP0469903A2 Process and apparatus for separating a mixture of plastic material into fractions |
| 02/05/1992 | EP0469270A2 Method for recovering PVC and urethane foam from automotive interior trim waste |
| 02/04/1992 | CA2043999A1 Method for recovering pvc and urethane foam from automotive interior trim waste |
| 02/02/1992 | CA2048224A1 Process for selecting hetero-geneous plastic material coming from recovery into homogeneous fractions and apparatus useful to the purpose |
| 02/02/1992 | CA2048223A1 Process for separating hetero-geneous plastic material into homogeneous fractions and apparatus useful to this purpose |
| 02/01/1992 | CA2048182A1 Procedure for separation of a flow of heterogeneous materials into two flows with different physical characteristics, particularly suitable for treating solid municipal, commercial and/or industrial wastes, and machine for its appli ation |
| 01/30/1992 | DE4023118A1 Conditioning lightly contaminated nuclear plant rubble - to obtain particles for concrete prodn., comprises crushing to suitable particle size and sepg. non-crushable fractions |
| 01/30/1992 | DE4023117A1 Conditioning lightly contaminated nuclear plant rubble - to obtain concrete for concreting waste containers |
| 01/28/1992 | US5084254 Natural calcium carbonate ores |
| 01/28/1992 | CA1294912C Process for beneficiating coal by means of selective agglomeration |
| 01/23/1992 | DE4023434A1 Sepn. system for shredded plastic materials - delivers with liq. below surface in flotation basin |
| 01/22/1992 | EP0467086A2 A method for recycling wash residue of ready mixed concrete and system therefor |
| 01/21/1992 | US5082553 Concrete aggregate collecting apparatus |
| 01/16/1992 | DE4021815A1 Mechanical sorting system for loose building rubble - has conveyor running over protrusions causing vertical lift of larger items |
| 01/15/1992 | EP0466250A2 Method for the production of mineral aggregates |
| 01/14/1992 | US5080807 Filtration, suspension |
| 01/14/1992 | US5080291 Including fluff, plastics, metal and glass |
| 01/09/1992 | DE4120842A1 Recovery of mixed granular plastics and metals scrap - by combustion sepn. process causing reduced formation of toxic organic cpds. |
| 01/09/1992 | DE4021318A1 Installation for reuse of concrete residue - incorporates water filled through with bucket wheel rotor |
| 01/02/1992 | EP0463442A1 Process and device for preparing wastes from machining by removal of ferromagnetic materials |
| 01/02/1992 | DE4120111A1 Cleaning of soiled plastics during recycling - using decanter, esp. sieve decanter for removal of tacky pollutants and is aided by brushes in conveyor screw |
| 12/31/1991 | US5076702 Installation for extracting granular material in a predetermined composition, method using that installation, a mixing unit, and means of measuring the water content of granular material |
| 12/27/1991 | EP0462502A2 Method for dismantling private cars |
| 12/24/1991 | US5074992 Woodwaste processing system with contaminate separation |
| 12/24/1991 | US5074477 Pulverizing polyurethane foams in suction chanber to release chlorofluorocarbon gases, mixing them with liquids |
| 12/24/1991 | CA1293465C Purification process for bitumen froth |
| 12/19/1991 | DE4019312A1 Scrapped car-breaking system - suspends cars from endless conveyor travelling through stations detaching different components before shredding body |
| 12/19/1991 | DE4018810A1 Compositing rubbish, esp. household rubbish, contg. organic material - comprises compositing followed by compression using clamp in closed container |
| 12/12/1991 | DE4119303A1 Recovery of recyclable prods. - from scrap contg. metals and polymers, using series of sepn. processes |
| 12/10/1991 | US5071075 Composting |
| 12/10/1991 | CA1292856C Process for refining kaolin |
| 12/05/1991 | DE4030732A1 Processing fluorescent lamp scrap - for recycling of glass, mercury phosphor, and metals avoiding waste and pollution |
| 12/03/1991 | US5069147 Touring system for a waste processing plant |
| 11/28/1991 | WO1991017876A1 Process and apparatus for reclaiming the economic components of scrap rubber tires |
| 11/28/1991 | DE4017069A1 Removing dust from building rubble - involves suction pipe to remove dust and light material |
| 11/26/1991 | US5067659 Method of treating refuse scrap |
| 11/25/1991 | CA2040136A1 Waste recycling system |
| 11/22/1991 | CA2029128A1 Process and apparatus for reclaiming the economic components of scrap rubber tires |
| 11/21/1991 | EP0456913A1 Suction-sifter |
| 11/21/1991 | DE4015489A1 Freeing waste material from heavy metals and dioxin(s) - by treating aq. slurry with active gas mixt. and precipitating heavy metals |
| 11/21/1991 | DE4015488A1 Compsn. for inhibiting dust formation or spreading - during demolition of buildings, handling building materials or removing asbestos cement layers contg. glucomannan |
| 11/20/1991 | CN1014778B Process for fine coal cleaning |
| 11/19/1991 | US5066388 Process and apparatus for disengaging and separating bitumen from pulverized tar sands using selective cohesion |
| 11/16/1991 | WO1991017835A1 System for separation of materials using suction air power |
| 11/13/1991 | EP0455697A1 Machine for processing goods, especially refuse, for sorting it. |
| 11/12/1991 | US5063862 Solid waste reclamation and processing method |
| 11/12/1991 | CA1291957C Treatment of froth form oil sands hot water recovery process |
| 11/06/1991 | EP0455114A2 Method and equipment for recovering constituents from spray cans containing polluting substances |
| 10/30/1991 | CN1014498B Process for separating particles of electrically non-conductive material in particular plastics material and/or paper, from waste, and device for carrying out the provcess |
| 10/29/1991 | US5060871 Crushing, magnetically separating on sloping table larger from smaller; aerospace wastes; aluminum-lithium alloy from other wrought aluminum alloys |
| 10/22/1991 | US5059116 Apparatus and process for removing volatile coatings from scrap metal |
| 10/09/1991 | EP0450738A2 A floating dredging apparatus for extracting sand and/or gravel and method using that apparatus |
| 10/09/1991 | EP0450050A1 Method for disinfecting medical materials |
| 10/08/1991 | US5055037 Heat processing apparatus |
| 10/08/1991 | US5054747 Scrap recovery apparatus |
| 10/08/1991 | CA1290275C Microbubble flotation process for the separation of bitumen from an oilsands slurry |
| 10/02/1991 | DE4010814A1 Drum appts. for redn. of photographic film to granules or particles |
| 10/01/1991 | WO1991015247A1 Method and apparatus for rendering medical materials safe |
| 10/01/1991 | CA2079331A1 Method and apparatus for rendering medical materials safe |
| 09/26/1991 | DE4009554A1 Glass separator for refuse dumps - has movable sieve with spaced round bars and air stream underneath |
| 09/26/1991 | DE4009398A1 Machine for opening oil filters - has oil filter supported and driven against can opener wheel by four discs |
| 09/24/1991 | US5051190 Process and device for cleaning slag from refuse incinerators |
| 09/19/1991 | WO1991013684A1 Process and apparatus for separating plastics from contaminants |
| 09/17/1991 | US5049261 Portable coal slurry washer |
| 09/12/1991 | DE4004336C1 Safe recovery of materials from cold storage cabinets - by fragmenting cabinets in closed area, pulverising polyurethane foam to release CFC gas for extn. and moulding foam residue into briquettes |
| 09/11/1991 | CN1054384A Compacting and selecting machine for solid and ferrous or non-ferrous metallic refuse such as containers, cans, bottles and similar |
| 09/10/1991 | US5047375 Method for producing high opacifying kaolin pigment |
| 09/10/1991 | US5047145 Wet process for fly ash beneficiation |
| 09/04/1991 | EP0444745A1 Compacting and selecting machine for solid and ferrous or non-ferrous metallic refuse such as containers, cans, bottles, and similar |
| 09/03/1991 | US5045115 Method for treating solid residues containing heavy metals from combustion plants |
| 09/02/1991 | CA2036347A1 Compacting and selecting machine for solid and ferrous or non-ferrous metallic refuse such as containers, cans, bottles and similar |
| 08/28/1991 | EP0443315A1 Waste treatment plant |
| 08/28/1991 | EP0443314A2 Waste sorting installation |
| 08/28/1991 | CA2030777A1 Process and apparatus for disengaging and separating bitumen from pulverized tar sands using selective cohesion |
| 08/27/1991 | US5042725 Method for recovering PVC and urethane foam from automotive interior trim waste |
| 08/27/1991 | US5042724 Fluorescent tube crusher with particulate separation and recovery |
| 08/27/1991 | CA1288058C Separation of viscous hydrocarbons and minerals particles from aqueous mixtures by oleophilic adhesion |
| 08/22/1991 | WO1991012080A1 Processing of mineral deposits |
| 08/21/1991 | EP0442113A2 Method and plant for the disposal of refrigerators |
| 08/20/1991 | US5041211 Removal of hazadrous contaminants and reuse of metal |
| 08/20/1991 | US5040920 Disposal of waste ash |
| 08/14/1991 | EP0440993A1 A method and a device for separating from residual materials products, which can be recovered for a further treatment |
| 08/14/1991 | CA2036193A1 Process to refine flyash captured from pulverized coal fired boilers and auxiliary equipment |
| 08/07/1991 | EP0439701A1 Multi-stage method of separation for sorting and processing inhomogeneous rubble and plant for carrying out the method |
| 08/07/1991 | EP0394316A4 Process for beneficiating particulate solids |
| 08/06/1991 | US5037286 Incineration residue treatment apparatus |
| 07/30/1991 | US5035858 Method for disinfecting medical materials |
| 07/24/1991 | EP0437679A1 Process for the treatment of ash in incinerator plants and an incinerator plant for this process |