NO801364L - PROCEDURE FOR MANUFACTURING FLAMMABLE GAS AND FERTILIZERS FROM LIQUID ANIMAL FERTILIZERS - Google Patents
PROCEDURE FOR MANUFACTURING FLAMMABLE GAS AND FERTILIZERS FROM LIQUID ANIMAL FERTILIZERSInfo
- Publication number
- NO801364L NO801364L NO801364A NO801364A NO801364L NO 801364 L NO801364 L NO 801364L NO 801364 A NO801364 A NO 801364A NO 801364 A NO801364 A NO 801364A NO 801364 L NO801364 L NO 801364L
- Authority
- NO
- Norway
- Prior art keywords
- fertilizers
- liquid
- sludge
- vessel
- container
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 16
- 239000003337 fertilizer Substances 0.000 title claims description 11
- 239000007788 liquid Substances 0.000 title claims description 11
- 241001465754 Metazoa Species 0.000 title description 3
- 238000004519 manufacturing process Methods 0.000 title description 2
- 239000010802 sludge Substances 0.000 claims description 13
- 239000011344 liquid material Substances 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000010871 livestock manure Substances 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000004720 fertilization Effects 0.000 claims description 2
- 238000000855 fermentation Methods 0.000 description 13
- 230000004151 fermentation Effects 0.000 description 13
- 241000283690 Bos taurus Species 0.000 description 4
- 210000003608 fece Anatomy 0.000 description 4
- 241000282887 Suidae Species 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000010808 liquid waste Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F3/00—Fertilisers from human or animal excrements, e.g. manure
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M27/00—Means for mixing, agitating or circulating fluids in the vessel
- C12M27/02—Stirrer or mobile mixing elements
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
- C12M41/18—Heat exchange systems, e.g. heat jackets or outer envelopes
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
- Y02P20/145—Feedstock the feedstock being materials of biological origin
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Zoology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Wood Science & Technology (AREA)
- Genetics & Genomics (AREA)
- General Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- General Health & Medical Sciences (AREA)
- Biotechnology (AREA)
- Biomedical Technology (AREA)
- Sustainable Development (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Fertilizers (AREA)
- Treatment Of Sludge (AREA)
- Fire-Extinguishing Compositions (AREA)
Description
Foreliggende oppfinnelse vedrører en fremgangsmåte ved frem- |. The present invention relates to a method by developing |.
stilling av brennbar gass og gjødsel fra flytende animalsk gjødsel. position of flammable gas and fertilizer from liquid animal manure.
I store husdyrbruk, særlig ved oppdrett av kveg og svin,In large livestock farms, especially when breeding cattle and pigs,
vil det oppstå store mengder flytende materiale og det kan være problematisk å kvitte seg med dette som følge av for-urensningsproblemer som kan oppstå. Det er riktig nok at there will be large amounts of liquid material and it can be problematic to get rid of this as a result of contamination problems that may arise. It is true enough that
i visse tilfeller kan slike flytende gjødselmaterialer anvendes for gjødsling men også i dette tilfellet oppstår det store ulemper ved behovet for meget store oppsamlingstanker for. at. et slikt flytende materiale kan være tilgjengelig på et egnet tidspunkt og ytterligere er det nødvendig med spe-sielle transportkjøretøyer. fra lagringsstedet til anvend-elsesstedet. Man har prøvet å behandle slikt avfallsmat-eriale ved spaltning av dette til gass og ikke forurensende - restvæsker, men så vidt vites med dårlige og i alle fall util-fredsstillende resultater, hvilket fremgår av det faktum at problemet ennå ikke er løst. in certain cases, such liquid fertilizer materials can be used for fertilising, but even in this case there are major disadvantages due to the need for very large collection tanks for. that. such a liquid material may be available at a suitable time and furthermore special transport vehicles are required. from the place of storage to the place of use. Attempts have been made to treat such waste material by splitting it into gas and non-polluting residual liquids, but as far as is known with poor and in any case unsatisfactory results, which is evident from the fact that the problem has not yet been solved.
Det er en hovedhensikt ved foreliggende oppfinnelse å til-veiebringe en fremgangsmåte ved hvilken flytende gjødsel-materiale kan behandles og derved oppnå brennbare gasser som direkte kan utnyttes som sådanne, samt behandlede slam som kan anvendes som gjødningsstoff av høy kvalitet. It is a main purpose of the present invention to provide a method by which liquid fertilizer material can be treated and thereby obtain flammable gases that can be directly used as such, as well as treated sludge that can be used as a high-quality fertilizer.
Det er en ytterligere hensikt med oppfinnelsen å tilveie-bringe en fremgangsmåte av den ovenfor nevnte typen som It is a further purpose of the invention to provide a method of the above-mentioned type which
lett og enkelt lar seg utføre og som bare krever meget enkelt og billig utstyr. easily and simply can be carried out and which only requires very simple and cheap equipment.
Disse og andre hensikter oppnås ved en fremgangsmåte i henhold til hvilken flytende husdyrgjødselmateriale innføres i et lufttett, forseglet fermenteringskar eller beholder og i denne holdes det flytende materiale under omrøring.ved en temperatur på 30 - 40°C for et tidsrom på 10 - 20 døgn, under denne prosess dannes det forbrennbare gasser og et høykvalitetsgjødningsslam. These and other purposes are achieved by a method according to which liquid manure material is introduced into an airtight, sealed fermentation vessel or container and in which the liquid material is kept under stirring at a temperature of 30 - 40°C for a period of 10 - 20 days , during this process combustible gases and a high-quality fertilizer sludge are formed.
j For lettere å forstå foreliggende fremgangsmåte skal i det j To make it easier to understand the present method, it should
etterfølgende beskrives under henvisning til den vedlagte tegning, et system for behandling av et slikt husdyrgjødsel-avfallsmateriale,•i henhold til foreliggende fremgangsmåte. subsequently, with reference to the attached drawing, a system for treating such manure-waste material is described, • according to the present method.
Det flytende materiale fra røret 1 tilføres en tank 2 og . føres gjennom en sikt 3. Ved hjelp av en neddykket elek-tropumpe 4 og rørledningen 5 føres det flytende materiale til en homogeniseringstank 6 forsynt med mekanisk rører. The liquid material from the pipe 1 is supplied to a tank 2 and . is passed through a sieve 3. By means of a submerged electric pump 4 and the pipeline 5, the liquid material is passed to a homogenization tank 6 equipped with a mechanical stirrer.
Fra denne tank 6 tilføres det flytende materiale via rørled- . ningen 8 og pumpen 7 til toppen av et fermenteringsapparat eller reaktor 9, også forsynt med en mekanisk rører som in-:dikert i tegningen. From this tank 6, the liquid material is supplied via pipeline. the pipe 8 and the pump 7 to the top of a fermenter or reactor 9, also provided with a mechanical stirrer as indicated in the drawing.
I lokket eller toppen av fermenteringskaret eller reaktorenIn the lid or top of the fermentation vessel or reactor
9 er det anordnet en rørledning 10 for utføring av dé i 9, a pipeline 10 is arranged for carrying out the i
reaktoren dannede brennbare gasser som etter å ha vært ført gjennom en kondensatseparator og rensetårn (ikke vist), kan anvendes direkte eksempelvis for oppvarming eller for f rem-stilling av elektrisk energi. Fra bunnen av fermenteringskaret eller reaktoren 9 kan det fermenterende, flytende materiale uttrekkes via rørledningen 11 og ved hjelp av pumpen 12 sirkuleres gjennom varmeveksleren 13 og deretter tilbake til reaktoren via returrørledningen 14. the reactor formed combustible gases which, after being passed through a condensate separator and purification tower (not shown), can be used directly, for example, for heating or for the production of electrical energy. From the bottom of the fermentation vessel or reactor 9, the fermenting, liquid material can be extracted via the pipeline 11 and, with the help of the pump 12, circulated through the heat exchanger 13 and then back to the reactor via the return pipeline 14.
Varmeveksleren 13 virker til å bibeholde konstant temperatur i væsken inne i fermenteringskaret eller reaktoren 9. The heat exchanger 13 works to maintain a constant temperature in the liquid inside the fermentation vessel or reactor 9.
Skal fermenteringsprosessen fortsettes kan behandlet (digested) slam, d.v.s. slam som er ferdiggjæret eller fullstendig utarmet, utføres kontinuerlig gjennom utløpet 15 anordnet i toppdelen av fermenteringskaret eller reaktoren 9. Når det dreier seg om en satsvis prosess kan slam-et utføres fra reaktorens bunn. Det flytende husdyrgjødsel-materiale, som når det dreier seg om gjødsel fra kveg underkastes først en omrøringsoperasjon for å slå opp tilstede-værende stråmateriale og deretter for en grovsikteopera-sjon, mens for ét flytende avfall fra gris så underkastes i materialet kun en grovsileoperasjon og holdes deretter i f ermenteringskaret eller reaktoren 9 (som er lufttett lukket )j i et tidsrom på 10 - 20 døgn ved en temperatur i området 30 40°C, fortrinnsvis 35°C. Det er funnet for tilfellet av kvegavfall at den optimale oppholdstid i reaktoren ved 35°C for fullstendig å opparbeide materiale er 20 døgn, mens kun 10 - 15 døgn er tilstrekkelig for et flytende avfall fra svin. Det er også funnet at for gode driftsbeting-elser for fremgangsmåten bør tørrstoffinnholdet i fermenteringskaret eller reaktoren 9 ligge i området 5 - 10% av totalen for et flytende materiale fra kveg. If the fermentation process is to be continued, treated (digested) sludge can be used, i.e. sludge that is fully fermented or completely depleted is carried out continuously through the outlet 15 arranged in the top part of the fermentation vessel or reactor 9. When it is a batch process, the sludge can be carried out from the bottom of the reactor. The liquid animal manure material, which when it comes to manure from cattle, is first subjected to a stirring operation to break up the straw material present and then to a coarse sieving operation, while for one liquid waste from pigs, the material is only subjected to a coarse sieving operation and is then kept in the fermentation vessel or reactor 9 (which is hermetically sealed)j for a period of 10 - 20 days at a temperature in the range 30 40°C, preferably 35°C. It has been found for the case of cattle waste that the optimal residence time in the reactor at 35°C to fully process material is 20 days, while only 10 - 15 days are sufficient for a liquid waste from pigs. It has also been found that for good operating conditions for the method, the dry matter content in the fermentation vessel or reactor 9 should be in the range of 5 - 10% of the total for a liquid material from cattle.
Under de ovenfor nevnte fermenteringsbetingelser vil det i fermenteringskaret eller reaktoren 9 spontant utvikle seg anaerobe mikroorganismer (i visse tilfeller kan mikroorganismer av den aktuelle type tilsettes fermenteringskaret eller reaktoren utenifra), som vil nedbryte det flytende materialet under dannelse av brennbare gasser, i det vesentlige bestående av ca. 70% metan og 30% karbondioksyd som utføres gjennom rørledningen 10 uten at det er nødvendig å anvende en pumpe eller lignende fordi det eksisterer det vist overtrykk på ca. 200 mm F^O i fermenteringskaret eller reaktoren. Under the above-mentioned fermentation conditions, anaerobic microorganisms will spontaneously develop in the fermentation vessel or reactor 9 (in certain cases, microorganisms of the relevant type can be added to the fermentation vessel or reactor from the outside), which will break down the liquid material with the formation of flammable gases, essentially consisting of approx. 70% methane and 30% carbon dioxide which is carried out through the pipeline 10 without it being necessary to use a pump or the like because there exists the shown overpressure of approx. 200 mm F^O in the fermentation vessel or reactor.
Slammet som dannes i fermenteringskaret eller reaktoren 9The sludge that forms in the fermentation vessel or reactor 9
og som kontinuerlig eller diskontinuerlig utføres fra denne har en meget høy gjødningsverdi, den samme som det ube-handlede flytende utgangsmaterialet. Det erholdte gj-ød-ningsslam har også egenskapen at det er "ballansert" d.v.s. at det utviser et nitrogen-, fosfor- og kaliuminnhold innen de riktige områder for direkte anvendelse som gjød-sel. and which is carried out continuously or discontinuously from this has a very high fertilizing value, the same as the untreated liquid starting material. The obtained fertilizer sludge also has the property that it is "balanced", i.e. that it exhibits a nitrogen, phosphorus and potassium content within the correct ranges for direct application as fertiliser.
I tillegg så tilveiebringes slammet meget viktige egenskap-er ved den ovenfor beskrevne fremgangsmåte ved at det meget lett kan tørkes, hvilket muliggjør fylling i sekker, lagring i reduserte volumer og er lett-transporterbart og ytterligere at det er vannpermeabelt hvilket gjør at vann In addition, the sludge is provided with very important properties by the method described above in that it can be dried very easily, which enables filling in bags, storage in reduced volumes and is easily transportable and furthermore that it is water permeable, which means that water
lett trekker gjennom slikt slam når dette spres på marken for gjødningsformål. easily pulls through such sludge when it is spread on the field for fertilization purposes.
Ytterligere kan slammet lett pumpes, hvilket letter dets Furthermore, the sludge can be easily pumped, which facilitates its
anvendelse for gjødslingsformål, som følge av den lille partikkelstørrelse av suspendert faststoff og nedsatt inn-hold av flyktige bestanddeler. application for fertilizing purposes, due to the small particle size of suspended solids and reduced content of volatile components.
Claims (5)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2248879A IT1113392B (en) | 1979-05-09 | 1979-05-09 | PROCEDURE FOR THE TRANSFORMATION OF ZOOTECHNICAL LIQUAMS IN COMBUSTIBLE GASES AND IN FERTILIZING MUD |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO801364L true NO801364L (en) | 1980-11-10 |
Family
ID=11196938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO801364A NO801364L (en) | 1979-05-09 | 1980-05-08 | PROCEDURE FOR MANUFACTURING FLAMMABLE GAS AND FERTILIZERS FROM LIQUID ANIMAL FERTILIZERS |
Country Status (22)
| Country | Link |
|---|---|
| JP (1) | JPS5665699A (en) |
| AR (1) | AR224402A1 (en) |
| AU (1) | AU5802380A (en) |
| BE (1) | BE883184A (en) |
| BR (1) | BR8002824A (en) |
| CH (1) | CH641746A5 (en) |
| DD (1) | DD150592A5 (en) |
| DE (1) | DE3017642A1 (en) |
| DK (1) | DK170880A (en) |
| ES (1) | ES491270A0 (en) |
| FI (1) | FI801349A (en) |
| FR (1) | FR2455848A1 (en) |
| GB (1) | GB2050339A (en) |
| GR (1) | GR67603B (en) |
| IN (1) | IN152493B (en) |
| IT (1) | IT1113392B (en) |
| MA (1) | MA18835A1 (en) |
| NO (1) | NO801364L (en) |
| PL (1) | PL224112A1 (en) |
| PT (1) | PT71193A (en) |
| SE (1) | SE8003431L (en) |
| YU (1) | YU123080A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8602652A (en) * | 1986-10-23 | 1988-05-16 | Promest Bv | METHOD FOR PROCESSING SLURRY. |
| AUPM452094A0 (en) * | 1994-03-17 | 1994-04-14 | University Of Queensland, The | Waste treatment plant and process |
| EP1280738B1 (en) | 2000-05-12 | 2011-09-14 | United Utilities Plc | Sludge treatment at a mesophilic temperature |
| IT1400936B1 (en) * | 2010-07-08 | 2013-07-02 | Loppoli | IMPROVED PLANT FOR BIOGAS PRODUCTION. |
-
1979
- 1979-05-09 IT IT2248879A patent/IT1113392B/en active
-
1980
- 1980-04-22 GR GR61746A patent/GR67603B/el unknown
- 1980-04-22 DK DK170880A patent/DK170880A/en active IP Right Grant
- 1980-04-23 IN IN468/CAL/80A patent/IN152493B/en unknown
- 1980-04-23 CH CH311680A patent/CH641746A5/en not_active IP Right Cessation
- 1980-04-25 FI FI801349A patent/FI801349A/en not_active Application Discontinuation
- 1980-05-02 GB GB8014578A patent/GB2050339A/en not_active Withdrawn
- 1980-05-02 AU AU58023/80A patent/AU5802380A/en not_active Abandoned
- 1980-05-06 JP JP5874880A patent/JPS5665699A/en active Pending
- 1980-05-06 PT PT7119380A patent/PT71193A/en unknown
- 1980-05-07 SE SE8003431A patent/SE8003431L/en not_active Application Discontinuation
- 1980-05-08 MA MA19031A patent/MA18835A1/en unknown
- 1980-05-08 NO NO801364A patent/NO801364L/en unknown
- 1980-05-08 DE DE19803017642 patent/DE3017642A1/en not_active Withdrawn
- 1980-05-08 ES ES491270A patent/ES491270A0/en active Granted
- 1980-05-08 BR BR8002824A patent/BR8002824A/en unknown
- 1980-05-08 FR FR8010251A patent/FR2455848A1/en active Pending
- 1980-05-08 PL PL22411280A patent/PL224112A1/xx unknown
- 1980-05-08 BE BE0/200525A patent/BE883184A/en not_active IP Right Cessation
- 1980-05-09 YU YU123080A patent/YU123080A/en unknown
- 1980-05-09 AR AR28097280A patent/AR224402A1/en active
- 1980-05-09 DD DD80221007A patent/DD150592A5/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE3017642A1 (en) | 1980-11-20 |
| PL224112A1 (en) | 1981-02-13 |
| SE8003431L (en) | 1980-11-10 |
| CH641746A5 (en) | 1984-03-15 |
| FR2455848A1 (en) | 1980-12-05 |
| ES8102071A1 (en) | 1981-01-16 |
| YU123080A (en) | 1983-01-21 |
| AU5802380A (en) | 1980-11-13 |
| JPS5665699A (en) | 1981-06-03 |
| GB2050339A (en) | 1981-01-07 |
| GR67603B (en) | 1981-08-31 |
| BE883184A (en) | 1980-09-01 |
| IN152493B (en) | 1984-01-28 |
| PT71193A (en) | 1980-06-01 |
| AR224402A1 (en) | 1981-11-30 |
| MA18835A1 (en) | 1980-12-31 |
| DK170880A (en) | 1980-11-10 |
| IT1113392B (en) | 1986-01-20 |
| BR8002824A (en) | 1980-12-16 |
| DD150592A5 (en) | 1981-09-09 |
| IT7922488A0 (en) | 1979-05-09 |
| FI801349A (en) | 1980-11-10 |
| ES491270A0 (en) | 1981-01-16 |
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