CA1116759A - Process for deoderizing sludges, particularly clarification sludges - Google Patents
Process for deoderizing sludges, particularly clarification sludgesInfo
- Publication number
- CA1116759A CA1116759A CA000318582A CA318582A CA1116759A CA 1116759 A CA1116759 A CA 1116759A CA 000318582 A CA000318582 A CA 000318582A CA 318582 A CA318582 A CA 318582A CA 1116759 A CA1116759 A CA 1116759A
- Authority
- CA
- Canada
- Prior art keywords
- sludge
- active oxygen
- alkali metal
- chlorite
- sodium chlorite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims abstract description 62
- 230000008569 process Effects 0.000 title claims abstract description 61
- 238000005352 clarification Methods 0.000 title description 45
- 150000001875 compounds Chemical class 0.000 claims abstract description 40
- 230000001877 deodorizing effect Effects 0.000 claims abstract description 12
- 239000010802 sludge Substances 0.000 claims description 161
- UKLNMMHNWFDKNT-UHFFFAOYSA-M sodium chlorite Chemical compound [Na+].[O-]Cl=O UKLNMMHNWFDKNT-UHFFFAOYSA-M 0.000 claims description 62
- 229960002218 sodium chlorite Drugs 0.000 claims description 61
- 238000011282 treatment Methods 0.000 claims description 58
- 239000001301 oxygen Substances 0.000 claims description 38
- 229910052760 oxygen Inorganic materials 0.000 claims description 38
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 37
- 238000000855 fermentation Methods 0.000 claims description 17
- 229910052783 alkali metal Inorganic materials 0.000 claims description 16
- -1 alkali metal chlorites Chemical class 0.000 claims description 16
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 15
- 230000001580 bacterial effect Effects 0.000 claims description 15
- 230000004151 fermentation Effects 0.000 claims description 15
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 13
- 244000005700 microbiome Species 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 10
- 238000000354 decomposition reaction Methods 0.000 claims description 10
- 229910001919 chlorite Inorganic materials 0.000 claims description 7
- 229910052619 chlorite group Inorganic materials 0.000 claims description 7
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 7
- 230000008030 elimination Effects 0.000 claims description 6
- 238000003379 elimination reaction Methods 0.000 claims description 6
- 150000007513 acids Chemical class 0.000 claims description 5
- 150000001340 alkali metals Chemical class 0.000 claims description 5
- 235000019645 odor Nutrition 0.000 claims description 5
- AQLJVWUFPCUVLO-UHFFFAOYSA-N urea hydrogen peroxide Chemical compound OO.NC(N)=O AQLJVWUFPCUVLO-UHFFFAOYSA-N 0.000 claims description 5
- 241001465754 Metazoa Species 0.000 claims description 2
- QXIKMJLSPJFYOI-UHFFFAOYSA-L calcium;dichlorite Chemical compound [Ca+2].[O-]Cl=O.[O-]Cl=O QXIKMJLSPJFYOI-UHFFFAOYSA-L 0.000 claims description 2
- 235000013365 dairy product Nutrition 0.000 claims description 2
- 239000002351 wastewater Substances 0.000 claims 10
- VISKNDGJUCDNMS-UHFFFAOYSA-M potassium;chlorite Chemical compound [K+].[O-]Cl=O VISKNDGJUCDNMS-UHFFFAOYSA-M 0.000 claims 3
- 239000000835 fiber Substances 0.000 claims 1
- 239000004753 textile Substances 0.000 claims 1
- 239000002028 Biomass Substances 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 35
- 239000000243 solution Substances 0.000 description 30
- 239000010865 sewage Substances 0.000 description 22
- 239000000126 substance Substances 0.000 description 18
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 17
- 238000007792 addition Methods 0.000 description 16
- 238000004332 deodorization Methods 0.000 description 14
- 239000007789 gas Substances 0.000 description 12
- 239000002562 thickening agent Substances 0.000 description 12
- 239000007787 solid Substances 0.000 description 11
- 230000001473 noxious effect Effects 0.000 description 10
- 238000000746 purification Methods 0.000 description 10
- 230000005764 inhibitory process Effects 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical class OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 8
- 230000001953 sensory effect Effects 0.000 description 7
- 238000003860 storage Methods 0.000 description 7
- 241000894006 Bacteria Species 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- 230000008901 benefit Effects 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 239000003513 alkali Substances 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical class Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 5
- 239000007800 oxidant agent Substances 0.000 description 5
- 231100000331 toxic Toxicity 0.000 description 5
- 230000002588 toxic effect Effects 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 231100000206 health hazard Toxicity 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 235000011167 hydrochloric acid Nutrition 0.000 description 3
- 229960000443 hydrochloric acid Drugs 0.000 description 3
- 238000012432 intermediate storage Methods 0.000 description 3
- 238000009740 moulding (composite fabrication) Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000001117 sulphuric acid Substances 0.000 description 3
- 235000011149 sulphuric acid Nutrition 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 239000003925 fat Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 230000009965 odorless effect Effects 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ISPYQTSUDJAMAB-UHFFFAOYSA-N 2-chlorophenol Chemical compound OC1=CC=CC=C1Cl ISPYQTSUDJAMAB-UHFFFAOYSA-N 0.000 description 1
- 241000726103 Atta Species 0.000 description 1
- 108010077805 Bacterial Proteins Proteins 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 241000861718 Chloris <Aves> Species 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 206010016352 Feeling of relaxation Diseases 0.000 description 1
- 108010034145 Helminth Proteins Proteins 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- PFRUBEOIWWEFOL-UHFFFAOYSA-N [N].[S] Chemical compound [N].[S] PFRUBEOIWWEFOL-UHFFFAOYSA-N 0.000 description 1
- DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- JFBJUMZWZDHTIF-UHFFFAOYSA-N chlorine chlorite Inorganic materials ClOCl=O JFBJUMZWZDHTIF-UHFFFAOYSA-N 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 244000000013 helminth Species 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229960002163 hydrogen peroxide Drugs 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- QEHKBHWEUPXBCW-UHFFFAOYSA-N nitrogen trichloride Chemical compound ClN(Cl)Cl QEHKBHWEUPXBCW-UHFFFAOYSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 150000002927 oxygen compounds Chemical class 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- IEDVJHCEMCRBQM-UHFFFAOYSA-N trimethoprim Chemical compound COC1=C(OC)C(OC)=CC(CC=2C(=NC(N)=NC=2)N)=C1 IEDVJHCEMCRBQM-UHFFFAOYSA-N 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
- 230000009278 visceral effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/916—Odor, e.g. including control or abatement
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Toys (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP2757561.7-25 | 1977-12-23 | ||
| DE2757561A DE2757561C2 (de) | 1977-12-23 | 1977-12-23 | Verfahren zum Desodorieren von Schlämmen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1116759A true CA1116759A (en) | 1982-01-19 |
Family
ID=6027026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000318582A Expired CA1116759A (en) | 1977-12-23 | 1978-12-22 | Process for deoderizing sludges, particularly clarification sludges |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4541986A (enExample) |
| JP (1) | JPS5491957A (enExample) |
| AT (1) | AT390050B (enExample) |
| BE (1) | BE872978A (enExample) |
| CA (1) | CA1116759A (enExample) |
| CH (1) | CH641132A5 (enExample) |
| DE (1) | DE2757561C2 (enExample) |
| DK (1) | DK151869C (enExample) |
| FI (1) | FI67529C (enExample) |
| FR (1) | FR2412505A1 (enExample) |
| GB (1) | GB2010798B (enExample) |
| IT (1) | IT1109623B (enExample) |
| NL (1) | NL189959C (enExample) |
| NO (1) | NO150314C (enExample) |
| SE (1) | SE429129B (enExample) |
Families Citing this family (57)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4666606A (en) * | 1978-01-19 | 1987-05-19 | The Research Corporation Of The University Of Hawaii | Method for eliminating grease and odors from sewage systems |
| JPS6257698A (ja) * | 1985-09-09 | 1987-03-13 | Nippon Peroxide Co Ltd | 脱水ケ−キの脱臭方法 |
| NL8600723A (nl) * | 1986-03-20 | 1987-10-16 | Pacques Bv | Werkwijze voor het zuiveren van afvalwater. |
| US4775388A (en) * | 1987-01-13 | 1988-10-04 | Electric Fuels Corporation | Fuel composition comprised of heat-treated dewatered sewage sludge and a biocide-containing fuel oil |
| US4902431A (en) * | 1988-01-28 | 1990-02-20 | N-Viro Energy Systems Ltd. | Method for treating wastewater sludge |
| DK169066B1 (da) * | 1987-02-27 | 1994-08-08 | N Viro Energy Systems Ltd | Fremgangsmåde til behandling af slam fra spildevand |
| US4781842A (en) * | 1987-02-27 | 1988-11-01 | N-Viro Energy Systems Ltd. | Method of treating wastewater sludge |
| DE3816989A1 (de) * | 1987-08-05 | 1989-02-16 | Peroxid Chemie Gmbh | Entseuchung von klaerschlamm |
| JPH0773720B2 (ja) * | 1988-05-25 | 1995-08-09 | 東京都 | 有機性汚泥の農縮方法 |
| US5229011A (en) * | 1990-04-06 | 1993-07-20 | Christy Sr Robert W | Process for pathogen reduction in waste |
| US5186840A (en) * | 1991-08-26 | 1993-02-16 | Rdp Company | Process for treating sewage sludge |
| US5405536A (en) * | 1990-04-06 | 1995-04-11 | Rdp Company | Process and apparatus for pathogen reduction in waste |
| US5013458A (en) * | 1990-04-06 | 1991-05-07 | Rdp Company | Process and apparatus for pathogen reduction in waste |
| IT1244740B (it) * | 1991-02-13 | 1994-08-08 | Enichem Agricoltura Spa | Processo in continuo per la preparazione di fertilizzanti da reflui animali |
| IT1250307B (it) * | 1991-09-17 | 1995-04-07 | Romfin Srl | Procedimento per la trasformazione di masse biologiche ai fini dell'utilizzo in agricoltura. |
| US5192498A (en) * | 1991-10-11 | 1993-03-09 | Imperial Chemical Industries Plc | Elimination of sulfide odor in thiocarbamate herbicides |
| US5141647A (en) * | 1991-12-27 | 1992-08-25 | Bhadra Amal K | Control of odor and septicity of sewage |
| US5350516A (en) * | 1991-12-27 | 1994-09-27 | Bhadra Amal K | Control of odor and septicity and purification of sewage and wastewater |
| JPH06292713A (ja) * | 1993-04-09 | 1994-10-21 | T R P:Kk | 空気の浄化方法及び装置 |
| DE4312734C1 (de) * | 1993-04-20 | 1994-09-15 | Benckiser Knapsack Ladenburg | Biozitfreie Geruchsbekämpfung in Abwässern |
| US5641401A (en) * | 1993-04-29 | 1997-06-24 | The Dow Chemical Company | Sludge deodorization |
| US5635077A (en) | 1993-04-29 | 1997-06-03 | The Dow Chemical Company | Ammonia removal |
| US5554279A (en) * | 1994-09-26 | 1996-09-10 | Rdp Company | Apparatus for treatment of sewage sludge |
| US5536385A (en) * | 1995-03-03 | 1996-07-16 | Envirocorp Services & Technology, Inc. | Production and purification of contaminated effluent streams containing ammonium sulfate and ammonia |
| US5681481A (en) * | 1995-05-18 | 1997-10-28 | Rdp Company | Process and apparatus for liquid sludge stabilization |
| US5593591A (en) * | 1995-06-07 | 1997-01-14 | Unipure Corporation | Production of dry, free flowing solids from bio-waste sludge |
| US5948269A (en) * | 1997-08-20 | 1999-09-07 | Stone; Michael D. | Process for the removal and suppression of dissolved hydrogen sulfide and other malodorous compounds and reduction of acidity in liquid and sludge wastewater systems |
| US6464875B1 (en) | 1999-04-23 | 2002-10-15 | Gold Kist, Inc. | Food, animal, vegetable and food preparation byproduct treatment apparatus and process |
| FR2806939B1 (fr) | 2000-03-30 | 2002-12-06 | Patrice Jean Albert Stengel | Procede et dispositif de depollution des sables ou des terres souilles par des hydrocarbures ou des germes infectieux |
| AU2003225865A1 (en) * | 2002-03-20 | 2003-10-08 | Kayyani C. Adiga | Apparatus and method for fine mist sterilization or sanitation using a biocide |
| WO2006091645A2 (en) | 2005-02-23 | 2006-08-31 | Blue Water Investments | Manufacturing of bioorganic-augmented high nitrogen-containing inorganic fertilizer |
| US8192519B2 (en) | 2005-03-09 | 2012-06-05 | Vitag Corporation | Beneficiated, heat-dried biosolid pellets |
| US7662206B2 (en) | 2005-09-15 | 2010-02-16 | Vitag Corporation | Organic containing sludge to fertilizer alkaline conversion process |
| US9695092B2 (en) | 2006-02-23 | 2017-07-04 | Anuvia Plant Nutrients Corporation | Process for treating sludge and manufacturing bioorganically-augmented high nitrogen-containing inorganic fertilizer |
| US8065815B2 (en) * | 2006-10-10 | 2011-11-29 | Rdp Technologies, Inc. | Apparatus, method and system for treating sewage sludge |
| TR200906271T1 (tr) | 2007-02-16 | 2010-01-21 | Vitag Corporation | Çamur ıslahı ve biyoorganik geliştirilmiş, Yüksek azot içerikli inorganik gübre imalatı prosesi. |
| US7537699B2 (en) * | 2007-05-21 | 2009-05-26 | Ch2M Hill, Inc. | Methods for reducing biosolids odors |
| US8119003B1 (en) | 2007-05-21 | 2012-02-21 | Ch2M Hill, Inc. | Methods for reducing biosolids odors |
| IN2012DN06560A (enExample) | 2009-12-30 | 2015-10-23 | Vitag Holdings Llc | |
| CN101863573B (zh) * | 2010-06-26 | 2011-08-31 | 上海交通大学 | 高浓度萘系染料及其中间体废水的化学需氧量削减方法 |
| US10435316B2 (en) | 2010-09-30 | 2019-10-08 | Orange County Sanitation District | Chemical optimization during wastewater treatment, odor control and uses thereof |
| BR112013025243B1 (pt) | 2011-03-28 | 2021-07-06 | Anuvia Plant Nutrients Holdings, Inc. | fertilizantes inorgânicos intensificados organicamente com alto valor |
| US10681914B2 (en) | 2012-05-29 | 2020-06-16 | Neozyme International, Inc. | Non-toxic plant agent compositions and methods and uses thereof |
| US10557234B2 (en) | 2012-05-29 | 2020-02-11 | Neozyme International, Inc. | Papermaking additive compositions and methods and uses thereof |
| US10334856B2 (en) | 2012-05-29 | 2019-07-02 | Neozyme International, Inc. | Non-toxic pest control compositions and methods and uses thereof |
| BR112014030063B1 (pt) | 2012-05-29 | 2021-04-06 | Neozyme International, Inc. | composição biocatalítica e processo para o tratamento biológico de um material orgânico |
| JP6254484B2 (ja) * | 2014-05-28 | 2017-12-27 | 水ｉｎｇ株式会社 | 脱水ケーキの消臭方法及び汚泥処理装置 |
| MX2017011103A (es) * | 2015-04-01 | 2018-05-07 | Int Dioxcide Inc | Composición estabilizada para el control de olor y la deshidratación potenciada combinados. |
| US9856178B2 (en) | 2015-06-05 | 2018-01-02 | Anuvia Plant Nutrients Corporation | High value organic containing fertilizers and methods of manufacture |
| CN108339537A (zh) * | 2018-03-28 | 2018-07-31 | 桂林良物造日用品有限公司 | 污泥除臭剂及制备方法 |
| CN108996867A (zh) * | 2018-07-17 | 2018-12-14 | 陕西科技大学 | 一种生化污泥的化学抑臭方法 |
| MA50738B1 (fr) | 2018-08-16 | 2021-05-31 | Anuvia Plant Nutrients Holdings Llc | Revêtements inorganiques réactifs pour engrais agricoles |
| WO2020102420A1 (en) | 2018-11-14 | 2020-05-22 | Anuvia Plant Nutrients Holdings, Llc | Delivery of bioactive molecules in coatings or surface layers of organically enhanced inorganic fertilizers |
| EP4142522A4 (en) | 2020-04-26 | 2024-04-24 | Neozyme Inernational, Inc. | DRY POWDER COMPOSITIONS AND METHODS AND USES THEREOF |
| BR112022021701A2 (pt) | 2020-04-26 | 2023-03-07 | Neozyme Int Inc | Composições de extinção de incêndio não tóxicas, dispositivos e métodos de uso das mesmas |
| CN112857921A (zh) * | 2021-03-04 | 2021-05-28 | 天津科技大学 | 一种评价微生物菌剂预处理对于“二段法”干化污泥成品释放臭气减量效果的方法 |
| US20240286179A1 (en) * | 2023-02-17 | 2024-08-29 | Anika Lakshmi MOOTHA | Methods and compositions for waste management systems |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1007745B (de) * | 1956-03-31 | 1957-05-09 | Degussa | Verfahren zur Gewinnung bestaendiger Loesungen von chloriger Saeure |
| US3300402A (en) * | 1964-01-09 | 1967-01-24 | Purifax Inc | Purification of putrescible unstable wastes |
| US3361528A (en) * | 1964-09-08 | 1968-01-02 | Monsanto Co | Purification of orthophosphorous acid |
| US3705098A (en) * | 1971-02-22 | 1972-12-05 | Fmc Corp | Sewage treatment with hydrogen peroxide |
| JPS4871967A (enExample) * | 1971-12-28 | 1973-09-28 | ||
| CA1018681A (en) * | 1972-04-11 | 1977-10-04 | General Signal Corporation | Stabilization of waste material |
| DE2223790B2 (de) * | 1972-05-16 | 1976-08-26 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | Verfahren zur reinigung von schwefel- und stickstoffhaltigen abwaessern und abluft |
| DE2460286A1 (de) * | 1973-12-21 | 1975-07-03 | Johan Alfred Olof Johansson | Verfahren zum hygienisieren von schlamm von klaeranlagen |
| SE7501206L (enExample) * | 1974-02-06 | 1975-08-07 | Weiss Co Kem Konsult | |
| JPS5111586A (enExample) * | 1974-07-19 | 1976-01-29 | Matsushita Electric Industrial Co Ltd | |
| JPS5147585A (enExample) * | 1974-10-23 | 1976-04-23 | Toyo Kuriin Kagaku Kk | |
| DE2604484A1 (de) * | 1975-02-05 | 1976-08-19 | Sumitomo Chemical Co | Verfahren zur behandlung organische schwefelverbindungen enthaltender stinkender abwaesser |
| DE2531496A1 (de) * | 1975-07-15 | 1977-02-03 | Sueddeutsche Kalkstickstoff | Mittel zur milderung der beim abbau organischer stoffe auftretenden geruchsbelaestigung |
| US4108771A (en) * | 1975-12-23 | 1978-08-22 | Weiss & Co. | Elimination of odors from organic wastes |
| JPS52105569A (en) * | 1976-03-02 | 1977-09-05 | Hiroshi Wake | Waste gas treatment |
| JPS52127487A (en) * | 1976-04-19 | 1977-10-26 | Hiroshi Wake | Waste gas treatment |
| DE2657192B1 (de) * | 1976-12-17 | 1978-06-08 | Degussa | Verfahren zur Reinigung phenol- und phenol-/formaldehydhaltiger Abwaesser |
| JPS5913275B2 (ja) * | 1977-11-08 | 1984-03-28 | 不動建設株式会社 | 汚水及び汚泥の浄化方法 |
-
1977
- 1977-12-23 DE DE2757561A patent/DE2757561C2/de not_active Expired
-
1978
- 1978-11-13 NL NLAANVRAGE7811215,A patent/NL189959C/xx not_active IP Right Cessation
- 1978-11-14 FI FI783479A patent/FI67529C/fi not_active IP Right Cessation
- 1978-11-23 FR FR7833111A patent/FR2412505A1/fr active Granted
- 1978-12-13 AT AT0887978A patent/AT390050B/de not_active IP Right Cessation
- 1978-12-14 GB GB7848523A patent/GB2010798B/en not_active Expired
- 1978-12-20 JP JP15654878A patent/JPS5491957A/ja active Granted
- 1978-12-20 IT IT69907/78A patent/IT1109623B/it active
- 1978-12-21 CH CH1305978A patent/CH641132A5/de not_active IP Right Cessation
- 1978-12-21 DK DK575778A patent/DK151869C/da not_active IP Right Cessation
- 1978-12-21 BE BE6046708A patent/BE872978A/xx not_active IP Right Cessation
- 1978-12-22 CA CA000318582A patent/CA1116759A/en not_active Expired
- 1978-12-22 SE SE7813276A patent/SE429129B/sv not_active IP Right Cessation
- 1978-12-27 NO NO784386A patent/NO150314C/no unknown
-
1984
- 1984-03-16 US US06/589,851 patent/US4541986A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| IT1109623B (it) | 1985-12-23 |
| US4541986A (en) | 1985-09-17 |
| DK151869C (da) | 1988-06-06 |
| NL189959B (nl) | 1993-04-16 |
| SE7813276L (sv) | 1979-06-24 |
| NL189959C (nl) | 1993-09-16 |
| GB2010798B (en) | 1982-07-07 |
| FI783479A7 (fi) | 1979-06-24 |
| DK575778A (da) | 1979-06-24 |
| FR2412505B1 (enExample) | 1983-02-04 |
| GB2010798A (en) | 1979-07-04 |
| SE429129B (sv) | 1983-08-15 |
| NO784386L (no) | 1979-06-26 |
| DE2757561A1 (de) | 1979-07-05 |
| NL7811215A (nl) | 1979-06-26 |
| DK151869B (da) | 1988-01-11 |
| AT390050B (de) | 1990-03-12 |
| JPS6358640B2 (enExample) | 1988-11-16 |
| JPS5491957A (en) | 1979-07-20 |
| FI67529B (fi) | 1984-12-31 |
| DE2757561C2 (de) | 1987-03-26 |
| ATA887978A (de) | 1989-08-15 |
| IT7869907A0 (it) | 1978-12-20 |
| FI67529C (fi) | 1985-04-10 |
| NO150314C (no) | 1984-09-26 |
| FR2412505A1 (fr) | 1979-07-20 |
| BE872978A (fr) | 1979-06-21 |
| NO150314B (no) | 1984-06-18 |
| CH641132A5 (de) | 1984-02-15 |
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