| Patents for D21D 5 - Purification of the pulp suspension by mechanical means; Apparatus therefor (4,157) |
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| 10/12/2011 | EP1992735B1 Method and device for aerating suspensions |
| 10/12/2011 | CN102215979A Hydrocyclone |
| 10/05/2011 | CN202000195U Recovery device for tailings of desanding device |
| 10/05/2011 | CN202000194U Filter sieve drum |
| 10/05/2011 | CN202000193U Novel rotor of up-flow coarse mesh |
| 10/05/2011 | CN202000192U Novel desanding basin |
| 10/05/2011 | CN202000186U Recovery device for tailings of waste paper |
| 09/28/2011 | CN201990894U 单效分离机 Single effect separator |
| 09/28/2011 | CN102199891A Combined rotor with functions of helical propelling and stirring breaking and manufacturing method |
| 09/22/2011 | WO2011114003A1 Arrangement and method for separating harmful material in a pulp production process |
| 09/22/2011 | WO2011113990A1 Pressure filter |
| 09/22/2011 | WO2011095686A3 Method of controlling filtrate flows and storing of filtrates of a fibre line in a pulp mill |
| 09/22/2011 | CA2793158A1 Pressure filter |
| 09/21/2011 | CN102196845A A separation device with dual drives and a method of reducing donutting in a separation device |
| 09/21/2011 | CN102191727A Preparation process of environmental protection liner paper |
| 09/21/2011 | CN102191710A Improved intermittent type pressure pulp screening machine |
| 09/14/2011 | CN201972050U 一种保温型高浓浆滞留槽 Insulating type high concentration slurry retention groove |
| 09/14/2011 | CN201969521U 一种用于捞纸槽的搅拌器 An agitator for fishing bins |
| 09/14/2011 | CN102182096A Splicing bar type screen cylinder |
| 09/14/2011 | CN102182091A Method for wastepaper deinking and pulping |
| 09/14/2011 | CN101135121B Pulper , screen plate for the pulper, and method for manufacturing the screen plate |
| 09/07/2011 | CN201962548U 一种长纤维匀浆装置 A long-fiber homogenization device |
| 08/25/2011 | WO2010066514A3 Screening in an approach flow system |
| 08/24/2011 | EP2360313A1 Method and apparatus for the integrated cleaning for use in a paper-pulp processing plant |
| 08/24/2011 | EP2358478A1 Hydrocyclone |
| 08/24/2011 | EP2203590B1 Apparatus for screening fibrous suspensions |
| 08/17/2011 | EP2356278A1 A method of manufacturing a rotor for a screening apparatus, a rotor and a turbulence element for a rotor |
| 08/17/2011 | CN102154918A Manufacture method of cardboard paper for improving evenness of paper surface |
| 08/17/2011 | CN102154892A Process for screening bamboo wood dissolving pulp |
| 08/17/2011 | CN102154891A Process for screening and cleaning bamboo wood dissolving slurry |
| 08/11/2011 | WO2011095686A2 Method of controlling filtrate flows and storing of filtrates of a fibre line in a pulp mill |
| 08/10/2011 | CN201924226U 一种内流式网前压力筛 The former inner-flow pressure screen mesh |
| 08/10/2011 | CN201924225U 一种升流式压力筛 One kind upflow pressure screen |
| 08/09/2011 | CA2503755C Apparatus and method for production of pulp |
| 07/28/2011 | WO2011064458A3 Method and arrangement for controlling a screening process |
| 07/27/2011 | EP2346587A1 A separation device with dual drives and a method of reducing donutting in a separation device |
| 07/27/2011 | CN101067287B Producing technology for microcrystalline cellulose with waste acid cotton linter |
| 07/20/2011 | CN101666053B Production method of chemi-mechanical pulp |
| 07/07/2011 | US20110162814 Refiner steam separation system for reduction of dryer emissions |
| 07/06/2011 | CN1952256B Screening device for wet screening of paper fiber suspension |
| 07/06/2011 | CN102119248A Arrangement for fractionating a suspension of fibrous material |
| 07/06/2011 | CN101328692B Paper pulp fabrication process and system |
| 07/05/2011 | CA2484353C Multi-stage screening apparatus, screen basket and method for screening pulp suspensions |
| 06/30/2011 | WO2011078764A1 Unit, arrangement and method for screening of cellulose pulp |
| 06/30/2011 | WO2011076660A1 Method and screening device for screening a fiber suspension |
| 06/30/2011 | CA2782867A1 Unit, arrangement and method for screening of cellulose pulp |
| 06/29/2011 | CN201883337U Duplex pressurized screen |
| 06/29/2011 | CN102108644A Pollution-free production process of plant fiber pulp |
| 06/29/2011 | CN101694075B Low energy consumption clean paper pulp extracting method and papermaking process thereof |
| 06/23/2011 | WO2011072906A1 Approach system |
| 06/22/2011 | CN101613968B Method for eliminating pollution of closed papermaking factory |
| 06/21/2011 | US7964065 Screen structure for use in the manufacture of a fiber product |
| 06/16/2011 | WO2011045094A3 Pulper |
| 06/16/2011 | DE102009054533A1 Arrangement for increasing fiber yield in sorting device, has outlet for accepted material and overflow mechanism for sorted overflow stream |
| 06/08/2011 | CN101736634B Process for deinking office waste paper |
| 06/08/2011 | CN101440586B Paper-making method by mechanical fibration of maize straw |
| 06/07/2011 | CA2506153C A multi-element airfoil for pulp screens |
| 05/26/2011 | WO2011060892A1 Separator for cleaning a fibrous suspension |
| 05/25/2011 | EP2324154A2 Arrangement for fractionating a suspension of fibrous material |
| 05/25/2011 | CN201843011U Paper pulp slag removing device |
| 05/25/2011 | CN201843010U Paper pulp heavy-impurity separator |
| 05/25/2011 | CN201843009U Desanding device in front of beating machine |
| 05/19/2011 | DE102009053450A1 Sichter zum Reinigen einer Faserstoffsuspension Separator for cleaning a pulp suspension |
| 05/18/2011 | CN102065971A Improved filtering drum for fibre suspensions in water |
| 05/11/2011 | CN201826206U Special rotor for deinking chemical pulp |
| 05/11/2011 | CN102051837A Screen cylinder and multistage pulp pressure screen with same |
| 05/04/2011 | CN201817742U Coarse screening rotor for waste paper screening |
| 05/04/2011 | CN201817741U Up-flow coarse pressure sieve rotor |
| 05/04/2011 | CN201817740U Multi-stage fiber sieving machine for old paper stock |
| 05/04/2011 | CN201817739U Rotor of waste paper pulp screening machine |
| 05/04/2011 | CN201817738U Pressure screen rotor |
| 05/04/2011 | CN201817737U Screen drum |
| 05/04/2011 | CN201817736U Coarse-screening rotor |
| 05/04/2011 | CN201817735U Eddy slag remover |
| 05/04/2011 | CN102041705A Equipment for treating fiber suspension |
| 04/28/2011 | DE102009046033A1 Degasification assembly for removing gas from e.g. fibrous material suspension that is utilized for producing paper, has turbine arranged in area of inlet of degasification device, where medium is guided before gas separation by turbine |
| 04/27/2011 | CN201809662U Special-shaped bar screen drum core forming equipment |
| 04/26/2011 | US7931779 Screening apparatus and screen basket for screening pulp suspensions |
| 04/21/2011 | CA2777333A1 Pulper |
| 04/14/2011 | DE202010016701U1 Sieb Sieve |
| 04/13/2011 | CN201793994U Paper pulp slag remover |
| 04/13/2011 | CN201793993U Back flushing device of high-concentration slag separator |
| 04/13/2011 | CN101171390B Screen basket and screen basket assembling method |
| 03/31/2011 | DE202010016700U1 Hydrozyklon Hydrocyclone |
| 03/30/2011 | CN101644011B Totally chlorine-free clean pulping method by separation and utilization of full-stalk kenaf component |
| 03/30/2011 | CN101321910B Method for manufacturing paper or paper board |
| 03/23/2011 | EP2297396A1 A method and an apparatus for controlling a flow of pulp suspension |
| 03/15/2011 | US7905983 Refiner steam separation system for reduction of dryer emissions |
| 03/09/2011 | EP2292834A1 Pulper with a screening sheet and uses of such a pulper |
| 03/02/2011 | EP2290160A1 Method for producing a filter, in particular a rigid filter for processing fibrous suspensions used for creating paper |
| 02/24/2011 | US20110042300 Screen cylinder |
| 02/23/2011 | CN101781862B Process for integrating pulping and bleaching by using ultrasonic wave |
| 02/16/2011 | EP2282823A1 Improved filtering drum for fibre suspensions in water |
| 02/16/2011 | CN101974864A Screen cloth of spiral press master and spiral press master containing same |
| 02/09/2011 | CN201738183U Slag discharging device for multifunctional slag separator |
| 02/09/2011 | CN201738182U Double-cone slag removal separation device |
| 02/09/2011 | CN101215796B Discharging device for middle and high concentration reserving tower |
| 01/26/2011 | CN201722559U Waste paper pulping machine |
| 01/19/2011 | CN201713725U Wear-resistant ceramic waste-removal nozzle |
| 01/19/2011 | CN201713724U Pulp inlet head of slag remover |