DE2757561C2 - Verfahren zum Desodorieren von Schlämmen - Google Patents
Verfahren zum Desodorieren von SchlämmenInfo
- Publication number
- DE2757561C2 DE2757561C2 DE2757561A DE2757561A DE2757561C2 DE 2757561 C2 DE2757561 C2 DE 2757561C2 DE 2757561 A DE2757561 A DE 2757561A DE 2757561 A DE2757561 A DE 2757561A DE 2757561 C2 DE2757561 C2 DE 2757561C2
- Authority
- DE
- Germany
- Prior art keywords
- sludge
- sewage
- treatment
- odor
- sewage sludge
- 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
- 239000010802 sludge Substances 0.000 title claims description 97
- 238000000034 method Methods 0.000 title claims description 31
- 230000008569 process Effects 0.000 title claims description 22
- 230000001877 deodorizing effect Effects 0.000 title 1
- 238000011282 treatment Methods 0.000 claims description 55
- 239000010801 sewage sludge Substances 0.000 claims description 46
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical class OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 claims description 15
- 239000003513 alkali Substances 0.000 claims description 6
- 239000002028 Biomass Substances 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 235000019645 odor Nutrition 0.000 description 34
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Inorganic materials [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 34
- 239000010865 sewage Substances 0.000 description 31
- 239000000243 solution Substances 0.000 description 28
- 238000012360 testing method Methods 0.000 description 28
- UKLNMMHNWFDKNT-UHFFFAOYSA-M sodium chlorite Chemical compound [Na+].[O-]Cl=O UKLNMMHNWFDKNT-UHFFFAOYSA-M 0.000 description 21
- 229960002218 sodium chlorite Drugs 0.000 description 21
- 235000002639 sodium chloride Nutrition 0.000 description 17
- 239000011780 sodium chloride Substances 0.000 description 17
- 238000004332 deodorization Methods 0.000 description 16
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 16
- 238000007792 addition Methods 0.000 description 15
- 239000000126 substance Substances 0.000 description 13
- 239000002562 thickening agent Substances 0.000 description 13
- 230000001580 bacterial effect Effects 0.000 description 12
- 230000029087 digestion Effects 0.000 description 11
- 238000000855 fermentation Methods 0.000 description 10
- 230000004151 fermentation Effects 0.000 description 10
- 239000007789 gas Substances 0.000 description 10
- 230000035943 smell Effects 0.000 description 10
- 238000000354 decomposition reaction Methods 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 7
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 7
- 239000000460 chlorine Substances 0.000 description 7
- 230000008030 elimination Effects 0.000 description 7
- 238000003379 elimination reaction Methods 0.000 description 7
- 230000005764 inhibitory process Effects 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
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 230000008901 benefit Effects 0.000 description 6
- 229910052801 chlorine Inorganic materials 0.000 description 6
- 229910001919 chlorite Inorganic materials 0.000 description 6
- 229910052619 chlorite group Inorganic materials 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 6
- 230000001953 sensory effect Effects 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical class Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 230000001629 suppression Effects 0.000 description 5
- 231100000331 toxic Toxicity 0.000 description 5
- 230000002588 toxic effect Effects 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 239000007800 oxidant agent Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000002781 deodorant agent Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 230000009965 odorless effect Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000009182 swimming Effects 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 235000019687 Lamb Nutrition 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- QAFDKYYSTRGTLH-UHFFFAOYSA-L [Na+].[Na+].[O-]Cl=O.[O-]Cl=O Chemical compound [Na+].[Na+].[O-]Cl=O.[O-]Cl=O QAFDKYYSTRGTLH-UHFFFAOYSA-L 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 235000013601 eggs Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003925 fat Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 231100000206 health hazard Toxicity 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000010943 off-gassing Methods 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 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
- 241000251468 Actinopterygii Species 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 241000237074 Centris Species 0.000 description 1
- ZKLPARSLTMPFCP-UHFFFAOYSA-N Cetirizine Chemical compound C1CN(CCOCC(=O)O)CCN1C(C=1C=CC(Cl)=CC=1)C1=CC=CC=C1 ZKLPARSLTMPFCP-UHFFFAOYSA-N 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 125000000174 L-prolyl group Chemical group [H]N1C([H])([H])C([H])([H])C([H])([H])[C@@]1([H])C(*)=O 0.000 description 1
- 101100465000 Mus musculus Prag1 gene Proteins 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 206010067482 No adverse event Diseases 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- JFBJUMZWZDHTIF-UHFFFAOYSA-N chlorine chlorite Inorganic materials ClOCl=O JFBJUMZWZDHTIF-UHFFFAOYSA-N 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- -1 compounds Compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 229940082150 encore Drugs 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 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
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000001139 pH measurement Methods 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M potassium chloride Inorganic materials [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
- 239000003643 water by type Substances 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)
Priority Applications (15)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2757561A DE2757561C2 (de) | 1977-12-23 | 1977-12-23 | Verfahren zum Desodorieren von Schlämmen |
| NLAANVRAGE7811215,A NL189959C (nl) | 1977-12-23 | 1978-11-13 | Werkwijze voor het desodoriseren van huishoudelijk ruw slib. |
| FI783479A FI67529C (fi) | 1977-12-23 | 1978-11-14 | Foerfarande foer deodorisering av slam speciellt under bevarande av biomassan |
| FR7833111A FR2412505A1 (fr) | 1977-12-23 | 1978-11-23 | Procede pour la desodorisation de boues, en particulier de boues de clarification |
| AT0887978A AT390050B (de) | 1977-12-23 | 1978-12-13 | Verfahren zur oxidativen desodorierung von abwasserschlaemmen, insbesondere unter erhaltung der biomasse |
| GB7848523A GB2010798B (en) | 1977-12-23 | 1978-12-14 | Process for deodorising sludges particularly clarifed sludges |
| JP15654878A JPS5491957A (en) | 1977-12-23 | 1978-12-20 | Method of deodorizing sludge |
| IT69907/78A IT1109623B (it) | 1977-12-23 | 1978-12-20 | Procedimento per la deodorazione dei fanghi di chiarificazione delle acque di scarico |
| DK575778A DK151869C (da) | 1977-12-23 | 1978-12-21 | Fremgangsmaade til desodorisering af slam, navnlig klaringsslam |
| BE6046708A BE872978A (fr) | 1977-12-23 | 1978-12-21 | Procede de desodorisation de boues |
| CH1305978A CH641132A5 (de) | 1977-12-23 | 1978-12-21 | Verfahren zur desodorierung von schlaemmen, insbesondere klaerschlaemmen. |
| CA000318582A CA1116759A (en) | 1977-12-23 | 1978-12-22 | Process for deoderizing sludges, particularly clarification sludges |
| SE7813276A SE429129B (sv) | 1977-12-23 | 1978-12-22 | Forfarande for deodorisering av slam |
| NO784386A NO150314C (no) | 1977-12-23 | 1978-12-27 | Fremgangsmaate til desodorisering av slam, spesielt klarslam |
| US06/589,851 US4541986A (en) | 1977-12-23 | 1984-03-16 | Process for deodorizing sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2757561A DE2757561C2 (de) | 1977-12-23 | 1977-12-23 | Verfahren zum Desodorieren von Schlämmen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2757561A1 DE2757561A1 (de) | 1979-07-05 |
| DE2757561C2 true DE2757561C2 (de) | 1987-03-26 |
Family
ID=6027026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2757561A Expired DE2757561C2 (de) | 1977-12-23 | 1977-12-23 | Verfahren zum Desodorieren von Schlämmen |
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 |
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| DE1007745B (de) * | 1956-03-31 | 1957-05-09 | Degussa | Verfahren zur Gewinnung bestaendiger Loesungen von chloriger Saeure |
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| 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 |
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| 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 | |
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| 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 |
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| 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
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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
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1984
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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 |
| CA1116759A (en) | 1982-01-19 |
| 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 |
| 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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