PL445192A1 - Method of producing granulated fertilizer from stabilized sewage sludge and granulated fertilizer from stabilized sewage sludge - Google Patents

Method of producing granulated fertilizer from stabilized sewage sludge and granulated fertilizer from stabilized sewage sludge

Info

Publication number
PL445192A1
PL445192A1 PL445192A PL44519223A PL445192A1 PL 445192 A1 PL445192 A1 PL 445192A1 PL 445192 A PL445192 A PL 445192A PL 44519223 A PL44519223 A PL 44519223A PL 445192 A1 PL445192 A1 PL 445192A1
Authority
PL
Poland
Prior art keywords
sewage sludge
mineral
stabilized
fertilizer
stabilized sewage
Prior art date
Application number
PL445192A
Other languages
Polish (pl)
Other versions
PL248312B1 (en
Inventor
Artur Kopeć
Przemysław Malinowski
Andrzej Biskupski
Bogusława Frańczak-Szatko
Aleksandra Zygmunt
Katarzyna Stefańczyk
Original Assignee
Grupa Azoty Spółka Akcyjna
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Grupa Azoty Spółka Akcyjna filed Critical Grupa Azoty Spółka Akcyjna
Priority to PL445192A priority Critical patent/PL248312B1/en
Publication of PL445192A1 publication Critical patent/PL445192A1/en
Publication of PL248312B1 publication Critical patent/PL248312B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
    • C05F7/00—Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D3/00—Calcareous fertilisers
    • C05D3/02—Calcareous fertilisers from limestone, calcium carbonate, calcium hydrate, slaked lime, calcium oxide, waste calcium products
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D5/00—Fertilisers containing magnesium
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G1/00—Mixtures of fertilisers belonging individually to different subclasses of C05
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G5/00—Fertilisers characterised by their form
    • C05G5/10—Solid or semi-solid fertilisers, e.g. powders
    • C05G5/12—Granules or flakes
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fertilizers (AREA)
  • Treatment Of Sludge (AREA)

Abstract

Zgłoszenie ujawnia sposób wytwarzania nawozu organiczno-mineralnego zawierającego ustabilizowany osad ściekowy i co najmniej jeden podstawowy składnik mineralny oraz ewentualnie uzupełniające składniki mineralne wzbogacające skład chemiczny nawozu o składniki pokarmowe dla roślin, w wieloetapowym procesie, na który składają się mieszanie, granulacja, suszenie, wydzielenie frakcji właściwej produktu, zawrót do granulatora nadziarna i podziarna, który charakteryzuje się tym, że ustabilizowany osad ściekowy, w którym uprzednio określono zawartość składników toksycznych dla roślin, pochodzący z oczyszczalni komunalnych i/lub przemysłowych o uwodnieniu 50% - 75%, korzystnie 55% - 70%, który zawiera od 40% do 65% frakcji organicznej, w ilości od 30% do 50% masowych w przeliczeniu na suchą masę, wprowadza wraz z rozdrobnionym, podstawowym składnikiem mineralnym do granulatora miksera, opcjonalnie dodaje uzupełniające składniki mineralne w postaci rozdrobnionej, intensywnie miesza przez okres od 60 do 300 sekund następnie suszy, rozdziela frakcje i konfekcjonuje frakcję właściwą o rozmiarach granuł od 1,0 do 7,0 mm, korzystnie od 2,0 do 5,0 mm, a podziarno i rozdrobnione nadziarno ponownie zawraca do procesu. Istotą zgłoszenia jest także nawóz organiczno-mineralny z ustabilizowanych osadów ściekowych, uzyskiwanych w procesie oczyszczania ścieków komunalnych i/lub przemysłowych wytworzonego sposobem według wynalazku, charakteryzujący się tym, że zawiera masowo do 70% składników mineralnych.The application discloses a method for producing an organic-mineral fertilizer containing stabilized sewage sludge and at least one basic mineral component and optionally supplementary mineral components enriching the chemical composition of the fertilizer with plant nutrients, in a multi-stage process consisting of mixing, granulation, drying, separation of the proper fraction of the product, recycling oversize and undersize particles to the granulator, which is characterized in that the stabilized sewage sludge, in which the content of components toxic to plants has been previously determined, originating from municipal and/or industrial sewage treatment plants with a hydration of 50% - 75%, preferably 55% - 70%, which contains from 40% to 65% of the organic fraction, in an amount of from 30% to 50% by weight in terms of dry mass, is introduced together with the crushed, basic mineral component to the mixer granulator, optionally adding supplementary mineral components in crushed form, intensively mixing for a period of 60 to 300 seconds, then it dries, separates the fractions and packages the proper fraction with granule sizes from 1.0 to 7.0 mm, preferably from 2.0 to 5.0 mm, and the undersize and crushed oversize are recycled to the process. The essence of the application is also an organic-mineral fertilizer from stabilized sewage sludge, obtained in the process of purifying municipal and/or industrial sewage produced by the method according to the invention, characterized in that it contains up to 70% by mass of mineral components.

PL445192A 2023-06-07 2023-06-07 Method of producing granulated fertilizer from stabilized sewage sludge and granulated fertilizer from stabilized sewage sludge PL248312B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL445192A PL248312B1 (en) 2023-06-07 2023-06-07 Method of producing granulated fertilizer from stabilized sewage sludge and granulated fertilizer from stabilized sewage sludge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL445192A PL248312B1 (en) 2023-06-07 2023-06-07 Method of producing granulated fertilizer from stabilized sewage sludge and granulated fertilizer from stabilized sewage sludge

Publications (2)

Publication Number Publication Date
PL445192A1 true PL445192A1 (en) 2024-12-09
PL248312B1 PL248312B1 (en) 2025-11-24

Family

ID=93799870

Family Applications (1)

Application Number Title Priority Date Filing Date
PL445192A PL248312B1 (en) 2023-06-07 2023-06-07 Method of producing granulated fertilizer from stabilized sewage sludge and granulated fertilizer from stabilized sewage sludge

Country Status (1)

Country Link
PL (1) PL248312B1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5259977A (en) * 1992-03-20 1993-11-09 Bio Gro Systems, Inc. Method and apparatus for the treatment of sewage sludge and the like
GB2295146A (en) * 1994-11-16 1996-05-22 South West Water Services Ltd Agricultural product from waste
EP0736496A2 (en) * 1995-04-04 1996-10-09 GFR Gesellschaft für die Aufbereitung und Verwertung von Reststoffen mbH Process for conditioning industrial sludge, especially sewage sludge
PL184434B1 (en) * 1997-04-28 2002-10-31 Inst Nawozow Sztucznych Pulawy Method of obtaining granulated organo-mineral fertiliser from municipal sewage treatment sludges and fertiliser obtained thereby

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5259977A (en) * 1992-03-20 1993-11-09 Bio Gro Systems, Inc. Method and apparatus for the treatment of sewage sludge and the like
GB2295146A (en) * 1994-11-16 1996-05-22 South West Water Services Ltd Agricultural product from waste
EP0736496A2 (en) * 1995-04-04 1996-10-09 GFR Gesellschaft für die Aufbereitung und Verwertung von Reststoffen mbH Process for conditioning industrial sludge, especially sewage sludge
PL184434B1 (en) * 1997-04-28 2002-10-31 Inst Nawozow Sztucznych Pulawy Method of obtaining granulated organo-mineral fertiliser from municipal sewage treatment sludges and fertiliser obtained thereby

Also Published As

Publication number Publication date
PL248312B1 (en) 2025-11-24

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