| Patents for C05F 7 - Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses (2,138) |
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| 10/16/2002 | CN2516550Y Drum-type sludge compost fermentation equipment |
| 10/15/2002 | US6464875 Food, animal, vegetable and food preparation byproduct treatment apparatus and process |
| 09/26/2002 | DE10107122A1 Verfahren zur Behandlung einer Sulfit- und Ammoniumionen enthaltenden, auf sulfoniertem Lignin basierenden Lauge mit Formaldehyd A process for the treatment of a sulfite and ammonium ion-containing, based on sulfonated lignin liquor with formaldehyde |
| 09/19/2002 | DE10153206A1 Biologischtechnisches Verfahren zur Nutzbarmachung von Filterschlamm der Trinkwasserzubereitung aus Oberflächenwasser Biologically technology method for utilizing sludge filter the drinking water preparation from surface water |
| 09/18/2002 | EP1240109A1 Methods for treating wastewater sludge |
| 09/10/2002 | US6447675 Fish pond filter system |
| 08/21/2002 | EP1232124A1 A process for dewatering of sludge |
| 08/08/2002 | WO2002060826A1 Method for the treatment of active sludges |
| 08/07/2002 | CN1362380A Method and apapratus for stablizing liquid mud |
| 08/07/2002 | CN1088691C Method and apparatus for treating liquid-containing material based on organic waste products |
| 08/01/2002 | US20020100735 Process for the treatment of sludge |
| 07/24/2002 | CN1359876A Mud fertilizer and its preparing process |
| 07/11/2002 | US20020088749 Beneficiated sludge |
| 07/04/2002 | WO2002051772A1 Process for compost of biomass and industrial sludge, including products produced by said process |
| 07/03/2002 | EP1219362A1 Apparatus for treating garbage |
| 07/03/2002 | CN1356182A Apparatus for fermenting excrement, urine, garbage and sludge and reclaining sewage |
| 06/26/2002 | CN1355156A Bacterial microbe fertilizer containing slurry generated by making paper and its preparing process |
| 06/19/2002 | CN1354158A Method for producing biological organic composite fertilizer by utilizing urban sludge |
| 06/19/2002 | CN1354146A Ecological cultivation and planting process by uisng industrial organic waste water anaerobic fermentation liquor |
| 06/18/2002 | US6407038 Method for controlling plant-parasitic nematodes |
| 06/18/2002 | US6406510 Methods for treating wastewater sludge |
| 06/18/2002 | CA2064313C Method for manufacturing of organic fertilizers |
| 06/04/2002 | US6398840 Process for treating sludge |
| 05/30/2002 | WO2001042151A9 Methods for treating wastewater sludge |
| 05/29/2002 | CN1351506A Process and apparatus for utilizing animal excrement |
| 05/01/2002 | CN1346807A Method and device for treatment of sewage or waste water and stabilization of sludge to reuse |
| 04/30/2002 | US6379546 Water pollution control; separate accumulation; membrane filtration |
| 04/24/2002 | EP1199284A1 Wastewater treatment apparatus and method for recycling material for wastewater treatment |
| 04/18/2002 | WO2002031273A1 Method for treatment of dredging soil |
| 04/18/2002 | US20020043019 Agri- and horticultural material |
| 04/17/2002 | EP0892764B1 Processing of sewage sludge into humus |
| 04/11/2002 | WO2001068562A3 Process for manufacturing a fertiliser |
| 04/09/2002 | US6368849 A treatment system for liquid manure by subjecting the liquid to anaerobic fermentaion in a biogas reactor; separate by filtration, the sterile particle-free permeate stream from the reactor; then heat treat with an ammonia stripper |
| 04/03/2002 | EP1192109A1 Method of treating and utilizing sludge |
| 04/02/2002 | US6365384 Method for disposing waste |
| 03/28/2002 | US20020035858 Turning into fertilizer by mixing a specified calcium oxide and magnesium oxide mixture with the sludge, allowing to reach a minimum temperature for a given amount of time; exothermic hydration of the oxides dewaters sludge; efficient |
| 03/20/2002 | EP0823887B1 Method and device for a combined treatment of domestic sewage and domestic biodegradable garbage |
| 03/20/2002 | CN1340482A Agricultural and gardening substances |
| 03/14/2002 | WO2002020428A1 Improved organic material treatment apparatus, system and method |
| 03/14/2002 | CA2420853A1 Improved organic material treatment apparatus, system and method |
| 03/07/2002 | DE10039228A1 Verfahren zur Vererdung einer wässrigen Suspension organischer Stoffe, insbesondere von Klärschlamm Humification process for an aqueous suspension of organic matter, in particular sewage sludge |
| 02/20/2002 | EP1180499A2 Process for transforming into humus an aqueous suspension of organic matter, especially sewage sludge |
| 02/20/2002 | CN1336330A Method and equipoment for treating inidustrial effluent containing ammonium sulfate |
| 02/14/2002 | US20020019045 Composting system |
| 02/06/2002 | EP1176990A1 Process and apparatus for utilizing animal excrement |
| 01/24/2002 | WO2002006424A1 Curing agent for land improvement and land improvement agent using pulp sludge |
| 01/23/2002 | EP1173389A1 Method of treating waste water |
| 01/17/2002 | WO2001012332A3 Methods and apparatus for sewage processing and treatment |
| 01/17/2002 | DE10030793A1 Plant and soil substrate contains at least one polyacrylate or silicate as a water-retention agent |
| 01/15/2002 | US6338799 Water treatment system at a sewage treatment plant in an anaerobic condition to release polyphosphate, substantially spherical calcium silicate hydrate as a seed crystal material |
| 01/10/2002 | WO2000066184A9 Process and apparatus for utilizing animal excrement |
| 01/09/2002 | CN1330057A Process for preparing multi-element organic furtilizer from extract of black paper-making liquid |
| 01/03/2002 | WO2002000809A1 Plant and/or soil substrate and method for producing the same |
| 01/03/2002 | WO2002000572A1 Composting system |
| 12/13/2001 | WO2001094004A1 Over-unity production of clean new energies by recycling contaminated liquid waste |
| 12/12/2001 | EP1012122B1 Method for treating alkaline waste water |
| 12/06/2001 | WO2001092186A1 Oilseed extract products and uses |
| 11/28/2001 | EP0742784B1 Sludge conditioning method |
| 11/21/2001 | CN1322699A Preparation of viscous water-maintaining fertilizer for planting sweetroot weed |
| 11/14/2001 | CN2459322Y One step method mud scraper agitating prilling machine |
| 11/14/2001 | CN1074651C Method and apparatus for producing plant nutritive strings or pellets from wastewater sludge |
| 10/25/2001 | WO2001079118A1 Treatment of sludge and animal wastes |
| 10/09/2001 | US6299782 Method and apparatus for treating liquid-containing material based on organic waste products |
| 10/04/2001 | DE10013779A1 Treatment of waste water and biological waste comprises feeding sludge from activated sludge basin to post-clarification basin, unstabilized activated sludge also being recycled to biogas generator together with excess of bio genic waste |
| 09/27/2001 | WO2001070635A1 Wastewater treatment apparatus and method for recycling material for wastewater treatment |
| 09/20/2001 | WO2001069150A1 A process for producing particulate products |
| 09/20/2001 | WO2001068562A2 Process for manufacturing a fertiliser |
| 09/12/2001 | EP1040087A4 Stabilized liquid lime dispersion for sewage treatment |
| 09/07/2001 | WO2001065003A1 Process for recovering organic acids from bleaching liquors |
| 08/22/2001 | CN1308995A Method for processing organic residue in sewage |
| 08/16/2001 | US20010013238 Low analysis organic waste slurried with water then reacted with base and acid; melt is sprayed into granulator and dried; increased plant nutrient value |
| 08/15/2001 | CN1308040A Method of producing organic or inorganic magnetic composite fertilizer with active mud and product |
| 08/07/2001 | US6270678 Salt formation with mineral acid; settling, recovering, flocculation, filtration |
| 08/01/2001 | CN1305976A Process for treating sludge generated after sewage treatment |
| 07/25/2001 | CN1304910A Process for preparing fertilizer by non-harmful treatment, fermentation and hydrolysis of sludge, excrement and urine |
| 07/11/2001 | CN2438717Y Apparatus for producing potassium sulfate and potassium ammonium chloride from industrial waste water containing ammonium sulfate |
| 07/04/2001 | CN1301679A Method for producing recompounded fertilizer |
| 06/14/2001 | WO2001042151A1 Methods for treating wastewater sludge |
| 06/14/2001 | CA2393948A1 Methods for treating wastewater sludge |
| 05/30/2001 | EP0880484B1 A method and apparatus for treating liquid-containing material based on organic waste products |
| 05/29/2001 | US6238564 Sludge treatment method |
| 04/26/2001 | WO2001028939A1 A process for dewatering of sludge |
| 04/25/2001 | CN1064944C Method for producing liquid fertilizer |
| 04/11/2001 | EP1090886A2 A method of treating sludge and a method of treating organic waste water comprising the same |
| 04/04/2001 | EP1088937A1 Process for preparing high quality paper from vegetable residuals |
| 03/21/2001 | CN1063413C Compound fertilizer made from mud or algae sludge and process therefor |
| 03/20/2001 | US6203722 For treatment of biological solids in sewage |
| 03/08/2001 | WO1999054268A8 Method and apparatus for removing organic waste from water, effluent and sludge |
| 03/08/2001 | DE19922872A1 Inexpensive, easily prepared synthetic soil, useful e.g. for replacing contaminated topsoil, comprising sludge, sand, basalt and/or volcanic ash; cellulose; bio-solids; calcium; wood charcoal; and ammonium nitrate. |
| 02/28/2001 | CN1062544C Method for making fertilizer by sewage treatment |
| 02/22/2001 | WO2001012332A2 Methods and apparatus for sewage processing and treatment |
| 02/21/2001 | CN1284938A Method and plant for the treatment of liquid organic waste |
| 02/21/2001 | CN1062254C Stereoscopic multi-layer multi-purpose fermentation device |
| 01/24/2001 | CN1280968A Process for preparing organic composite N-P-K fertilizer from solidified substance in black paper-making liquid |
| 01/23/2001 | CA2128405C Method for producing liquid fertilizer |
| 01/16/2001 | US6174472 Process for forming soil enhancing pellets |
| 01/04/2001 | WO2001000342A1 Apparatus for treating garbage |
| 01/03/2001 | CN1278516A Artesian sewage treating process |
| 12/12/2000 | US6159263 Sewage sludge recycling with a pipe cross-reactor |
| 12/12/2000 | US6159262 To improve plant growth, reduce damage from insects treated with fertiliser, odorless and nondecomposing; containing organic waste partially biodegraded under aerobic conditions, a bactericide, wetting agent and deodorant |