| Patents for C05F 7 - Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses (2,138) |
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| 07/06/2004 | US6758879 Sewage sludge recycling with a pipe cross-reactor |
| 06/30/2004 | EP0879215B1 Process for liquid sludge stabilization |
| 06/24/2004 | US20040120867 Organic recycling with a pipe-cross or tubular reactor |
| 06/17/2004 | WO2004049787A2 Animal waste effluent treatment |
| 06/17/2004 | CA2506968A1 Animal waste effluent treatment |
| 06/08/2004 | CA2343186C Stabilized liquid lime dispersion for sewage treatment |
| 06/03/2004 | WO2004046065A1 Methods for improving crop growth |
| 06/03/2004 | CA2506863A1 Methods for improving crop growth |
| 05/26/2004 | CN1498869A Power generation and making fertilizer system based on sludge treatment |
| 05/26/2004 | CN1151095C Chemical fertilizer production rpocess and sludge and garbage treatment integrated method for preparing organic phosphate fertilizer and its mixer |
| 05/19/2004 | DE10013779B4 Verfahren und Anlage zur Behandlung von Abwässern und von biogenen Reststoffen mit aus Abwasser gewonnenem Klärschlamm Method and apparatus for treating waste water and biogenic residues with reclaimed from sewage sludge |
| 05/11/2004 | US6733558 For use as fertilizer, and possessing improved resistance to combustion and corrosive effect |
| 05/06/2004 | US20040084367 Mixing sludge with base; aeration, drying, agitation, and heating; pasteurizing, pelletization; agricultural soil or fertilizer |
| 04/29/2004 | WO2003020651A3 Process and installation for the treatment of biological studies |
| 04/28/2004 | EP1412080A1 Over-unity production of clean new energies by recycling contaminated liquid waste |
| 04/21/2004 | EP1409436A1 Oil seed extract products and uses |
| 04/14/2004 | CN1488581A Yellow giner saponin industrial sewage treating method and comprehensive utilization |
| 03/31/2004 | EP1401788A1 Fertilizer |
| 03/23/2004 | US6709574 Fish pond filter system |
| 03/18/2004 | WO2004022510A1 Apparatus and method for producing matured compost-like substance |
| 03/17/2004 | CN1482105A Method of producing organic fertilizer by fermenting saponin fag-end and wastewater |
| 03/11/2004 | WO2004020345A1 Processes for treatment of wastewater, separation, deodorisation and re-use of biosolids |
| 03/11/2004 | CA2496671A1 Processes for treatment of wastewater, separation, deodorisation and re-use of biosolids |
| 03/10/2004 | CN1141259C Ecological cultivation and planting process by using industrial organic waste water anaerobic fermentation liquor |
| 03/04/2004 | US20040043445 Oilseed extract products and uses |
| 03/03/2004 | CN1478760A Sludge fermentetion drying process for making fertilizer |
| 03/03/2004 | CN1478759A Sludge granuler fertilizer and its production process |
| 02/18/2004 | CN1138602C Apparatus for fermenting excrement, urine garbage and sludge and reclaiming sewage |
| 02/12/2004 | US20040029262 For the treatment of organic matter involving the use of worms to decompose organic material and produce castings |
| 02/12/2004 | US20040025553 Filtration, dehydration; antisepticing sludge; classification by particle size |
| 02/11/2004 | CN1137870C Process for preparing compound organic fertilizer from municipal sludge |
| 02/03/2004 | US6685826 Fish pond filter system |
| 12/25/2003 | US20030236422 Agricultural oil processing using potassium hydroxide |
| 12/17/2003 | CN1461742A Dioscin industrial waste water, waste slag treatment technology |
| 12/03/2003 | CN1459439A City sludge biofertilizer |
| 12/03/2003 | CN1459437A Method of making organic inorganic composite fertilizer by acidification method treating city sludge |
| 12/03/2003 | CN1129564C Process for preparing fertilizer by non-harmful treatment, fermentation and hydrolysis of sludge excrement and urine |
| 12/02/2003 | CA2144516C Method and apparatus for disposal and treatment of waste |
| 11/13/2003 | WO2003093199A1 An organic fertilizer and the manufacturing process thereof |
| 11/12/2003 | CN1454873A Process of producing refined organic fertilizer using ultrahigh concentration organic waste water |
| 11/12/2003 | CN1127452C Method and equipment for treating industrial effluent containing ammonium sulfate |
| 10/15/2003 | CN1124244C Method for mfg. organic fertilizer |
| 10/14/2003 | US6632952 Processing agricultural oil in which non-toxic reagents are used, so that a waste stream is evolved suitable for use as a nutrient source and wherein the non-toxic reagents include nutrient source and wherein the non-toxic reagents include |
| 10/08/2003 | EP1350778A1 Method for treating sludges from waste water treatment plants |
| 10/08/2003 | CN1446777A Organic fertilizer prepared by using sewage sludge |
| 10/01/2003 | CN1446121A Over-unity production of clean new energies by recycling contaminated liquid waste |
| 10/01/2003 | CN1445200A Method for producing fertilizer by using acid or alkali materials to process vegetal materials |
| 09/23/2003 | CA2091045C Non-destructive recovery of natural nitrogen products |
| 09/17/2003 | CN1442393A Method of producing composite organic fertilizer using city sludge |
| 08/27/2003 | CN1438205A Magnesium-ammonium mixed salt steaming-boiling agent for producing culture paper in which the black liquid is directly used as organic fertilizer |
| 08/26/2003 | USRE38238 Method for treating wastewater sludge |
| 08/20/2003 | CN1437568A Composting system |
| 08/19/2003 | US6608184 Such as fatty oil and acids, glycerol, glycols, lactic acid, urea, fertilizer, carbohydrates, ethanol, by concentrating and filtering out the solid sewer sludge, hydrolysis of the cellulose in sludge and fermentation, recovery |
| 08/07/2003 | US20030145961 Process for recovering organic acids from bleaching liquors |
| 08/06/2003 | EP1332122A1 Improved organic material treatment apparatus, system and method |
| 07/10/2003 | WO2003055811A1 Method for treating organic sediments of sewage water |
| 07/09/2003 | CN1428313A Method for producing multi-component composite fertilizer by using discharged liquor by imine pulp-making method |
| 07/03/2003 | US20030121302 Drying, pelletization, heating, sterilization; sewage treatment; using fluidized bed |
| 07/02/2003 | CN1113047C Horizontal paddle type fermentation system and method of operating same |
| 07/01/2003 | US6585900 Process for the treatment of sludge |
| 06/18/2003 | EP1319103A1 Process for recovering organic acids from bleaching liquors |
| 06/11/2003 | EP1318105A1 Process and device for the removal of ammonia from wastewater and the recovery of valuable material |
| 06/04/2003 | EP1316534A1 Method for composting a slurry by sequential filtration with a carbonaceous substrate and installation thereof |
| 06/04/2003 | CN1421423A Organic-inorganic composite fertilizer with lignin |
| 05/20/2003 | US6565744 Waste water cleaning system |
| 05/15/2003 | WO2003040047A1 Incubation treatment of sludge for pathogen reduction prior to digestion |
| 05/08/2003 | WO2003037827A1 A process for deodorizing and disinfecting a bioorganic material |
| 04/22/2003 | US6551370 Method of growing rice plants and germinated brown rice |
| 04/22/2003 | US6550183 Agri- and horticultural material |
| 04/02/2003 | CN1406881A Scouring waste water closed circulating method |
| 04/02/2003 | CN1104399C Fertilizer and process for production thereof |
| 04/02/2003 | CN1104379C Treatment process for waste water of paper making ammonium salt process |
| 04/01/2003 | US6540966 Reactors for the total recycling of contaminated liquid waste such as crude oil, sea water, or sewage, which produce a clean burning combustible gas, usable heat, and solid precipitates using electric arcs |
| 03/26/2003 | EP1294656A1 Composting system |
| 03/26/2003 | CN1405101A Method for treatment of waste mud-slurry of oil-field well-drilling |
| 03/25/2003 | US6537340 Reusing water treatment residuals, such as alum residuals, generated by drinking water treatment facilities, by converting into a form which is more beneficial; forming a blended topsoil |
| 03/13/2003 | WO2003020651A2 Process and installation for the treatment of biological studies |
| 03/13/2003 | US20030047499 Waste water cleaning system |
| 02/25/2003 | US6524847 Composting system |
| 02/19/2003 | CN1397519A Process for preparing organic fertilizer from sewage and sludge |
| 01/30/2003 | WO2003008517A1 Composition for soil containing industrial waste as primary component |
| 01/30/2003 | US20030019265 Method of growing rice plants and germinated brown rice |
| 01/29/2003 | CN1393427A Production line for preparing compound fertilizer from sludge |
| 01/29/2003 | CN1100011C Process and apparatus for liquid sludge stabilization |
| 01/22/2003 | CN1392911A Process for recovering organic acid from bleaching liquors |
| 01/15/2003 | CN1390811A Microbial-bacterial fertilizer and its preparing process |
| 01/09/2003 | US20030006178 Fish pond filter system |
| 01/08/2003 | CN1098235C Method for simultaneously treating waste water and organic solid waste |
| 01/03/2003 | WO2003000622A1 Fertilizer |
| 12/27/2002 | WO2002102721A1 Method and installation for purifying effluents that are at least partially biodegradable |
| 12/18/2002 | CN2525814Y Reacting pot for producing biochemical fodder and fertilizer from waste fruit and vegetable juice |
| 12/12/2002 | US20020185447 Production of products from sewer sludge |
| 12/12/2002 | DE10128028A1 Sludge fertilizer production comprising mixer to take clarified sludge with extracted water and/or dried sludge, to be mixed with mineral bonding agent to give agricultural fertilizer granules |
| 12/11/2002 | EP1263696A2 Process for manufacturing a fertiliser |
| 12/11/2002 | CN1384081A System of producing organic fertilizer with sludge |
| 11/13/2002 | CN1379001A Process for preparing organic microbe fertilizer by sludge fermentation |
| 10/31/2002 | US20020158011 Wastewater treatment apparatus and method for recycling material for wastewater treatment |
| 10/30/2002 | CN1376651A Process for preparing fermented organic amino acid fertilizer |
| 10/29/2002 | US6470595 Process and device for continuously drying protein-containing sludge |
| 10/17/2002 | WO2001092186A9 Oilseed extract products and uses |