PL432367A1 - Application of fly ashes from biomass combustion in fluidized bed boilers of commercial power plants for neutralization of sewage sludges - Google Patents
Application of fly ashes from biomass combustion in fluidized bed boilers of commercial power plants for neutralization of sewage sludgesInfo
- Publication number
- PL432367A1 PL432367A1 PL432367A PL43236719A PL432367A1 PL 432367 A1 PL432367 A1 PL 432367A1 PL 432367 A PL432367 A PL 432367A PL 43236719 A PL43236719 A PL 43236719A PL 432367 A1 PL432367 A1 PL 432367A1
- Authority
- PL
- Poland
- Prior art keywords
- neutralization
- fluidized bed
- commercial power
- fly ashes
- mass
- Prior art date
Links
- 239000002028 Biomass Substances 0.000 title abstract 2
- 238000002485 combustion reaction Methods 0.000 title abstract 2
- 239000010881 fly ash Substances 0.000 title abstract 2
- 238000006386 neutralization reaction Methods 0.000 title abstract 2
- 239000010865 sewage Substances 0.000 title 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- 229910001385 heavy metal Inorganic materials 0.000 abstract 2
- 239000010801 sewage sludge Substances 0.000 abstract 2
- 241001126258 Ascaris sp. Species 0.000 abstract 1
- 241000607142 Salmonella Species 0.000 abstract 1
- 241000244031 Toxocara Species 0.000 abstract 1
- 241001489151 Trichuris Species 0.000 abstract 1
- 239000002956 ash Substances 0.000 abstract 1
- 244000052616 bacterial pathogen Species 0.000 abstract 1
- 229910052793 cadmium Inorganic materials 0.000 abstract 1
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- 235000013601 eggs Nutrition 0.000 abstract 1
- 239000012467 final product Substances 0.000 abstract 1
- 244000000050 gastrointestinal parasite Species 0.000 abstract 1
- 229910052745 lead Inorganic materials 0.000 abstract 1
- 229910052753 mercury Inorganic materials 0.000 abstract 1
- 244000000010 microbial pathogen Species 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- 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
- Treatment Of Sludge (AREA)
- Fertilizers (AREA)
Abstract
Przedmiotem wynalazku jest zastosowanie popiołów lotnych uzyskanych ze spalania wyłącznie samej biomasy w kotłach fluidalnych energetyki zawodowej zawierających w % masowych: 13 - 23 CaO, z czego 5,7 - 16 stanowi CaO reaktywne, 3,0 - 4,5 MgO, 3,3 - 4,3 P2O5, 8 - 13 K2O, 2 - 6% SO3 oraz nie więcej niż 0,25 azotu, do unieszkodliwienia, w tym higienizacji i stabilizacji oraz immobilizacji metali ciężkich osadów ściekowych zawierających mikroorganizmy patogenne, takie jak bakterie chorobotwórcze z rodzaju Salmonella, a także jaja pasożytów przewodu pokarmowego Ascaris sp., Trichuris sp., Toxocara sp. oraz metale ciężkie takie jak Cr, Cd, Ni, Pb i Hg. Na 60 - 80% masowych osadów ściekowych odwodnionych do zawartości wody 80 - 90% stosuje się popioły w ilości 20 - 40% masowych, a powstały produkt końcowy ma właściwości nawozowe.The subject of the invention is the use of fly ashes obtained from combustion of only biomass in commercial power industry fluidized bed boilers, containing in mass%: 13 - 23 CaO, of which 5.7 - 16 are reactive CaO, 3.0 - 4.5 MgO, 3.3 - 4.3 P2O5, 8 - 13 K2O, 2 - 6% SO3 and not more than 0.25 nitrogen, for neutralization, including hygienization, stabilization and immobilization of heavy metals of sewage sludge containing pathogenic microorganisms such as pathogenic bacteria of the genus Salmonella as well as the eggs of the gastrointestinal parasites Ascaris sp., Trichuris sp., Toxocara sp. and heavy metals such as Cr, Cd, Ni, Pb and Hg. For 60-80% by mass of sewage sludge dewatered to a water content of 80-90%, ash is used in the amount of 20-40% by mass, and the resulting final product has fertilizing properties.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL432367A PL239674B1 (en) | 2019-12-23 | 2019-12-23 | Application of fly ashes from biomass combustion in fluidized bed boilers of commercial power plants for neutralization of sewage sludges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL432367A PL239674B1 (en) | 2019-12-23 | 2019-12-23 | Application of fly ashes from biomass combustion in fluidized bed boilers of commercial power plants for neutralization of sewage sludges |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL432367A1 true PL432367A1 (en) | 2021-06-28 |
| PL239674B1 PL239674B1 (en) | 2021-12-27 |
Family
ID=76547876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL432367A PL239674B1 (en) | 2019-12-23 | 2019-12-23 | Application of fly ashes from biomass combustion in fluidized bed boilers of commercial power plants for neutralization of sewage sludges |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL239674B1 (en) |
-
2019
- 2019-12-23 PL PL432367A patent/PL239674B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL239674B1 (en) | 2021-12-27 |
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