JP4473623B2 - 汚泥改良材及び汚泥改良方法 - Google Patents
汚泥改良材及び汚泥改良方法 Download PDFInfo
- Publication number
- JP4473623B2 JP4473623B2 JP2004107700A JP2004107700A JP4473623B2 JP 4473623 B2 JP4473623 B2 JP 4473623B2 JP 2004107700 A JP2004107700 A JP 2004107700A JP 2004107700 A JP2004107700 A JP 2004107700A JP 4473623 B2 JP4473623 B2 JP 4473623B2
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- JP
- Japan
- Prior art keywords
- sludge
- ash
- improving material
- improved
- paper
- 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 - Lifetime
Links
- 239000010802 sludge Substances 0.000 title claims description 229
- 239000000463 material Substances 0.000 title claims description 68
- 238000000034 method Methods 0.000 title claims description 12
- 239000003415 peat Substances 0.000 claims description 48
- 239000002689 soil Substances 0.000 claims description 21
- 239000000126 substance Substances 0.000 claims description 18
- 239000003337 fertilizer Substances 0.000 claims description 16
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 7
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 7
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 7
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 7
- 239000004571 lime Substances 0.000 claims description 7
- 238000007711 solidification Methods 0.000 claims description 7
- 230000008023 solidification Effects 0.000 claims description 7
- YYRMJZQKEFZXMX-UHFFFAOYSA-N calcium;phosphoric acid Chemical compound [Ca+2].OP(O)(O)=O.OP(O)(O)=O YYRMJZQKEFZXMX-UHFFFAOYSA-N 0.000 claims description 5
- 230000000704 physical effect Effects 0.000 claims description 5
- 239000002426 superphosphate Substances 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 239000010893 paper waste Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 230000007935 neutral effect Effects 0.000 description 13
- 230000002378 acidificating effect Effects 0.000 description 11
- 239000004568 cement Substances 0.000 description 11
- 230000035699 permeability Effects 0.000 description 9
- 239000011148 porous material Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 6
- 235000015097 nutrients Nutrition 0.000 description 6
- 238000001179 sorption measurement Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- 239000003513 alkali Substances 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 239000002657 fibrous material Substances 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000003516 soil conditioner Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Description
Claims (6)
- 汚泥の物性を改良する改良材であって、天然植物素材であるピートモスと有機質系物質を焼却して得られる焼却灰とを主材とするものであり、前記有機質系物質を焼却して得られる焼却灰として、ペーパースラッジ灰が採用されていることを特徴とする汚泥改良材。
- 請求項1記載の汚泥改良材において、前記ペーパースラッジ灰は古紙からパルプを再生する際に発生するペーパースラッジを焼却処理したものであることを特徴とする汚泥改良材。
- 請求項1,2いずれか1項に記載の汚泥改良材において、この汚泥改良材は、汚泥1m3に対してピートモスが10kg乃至400kg、焼却灰が10kg乃至600kgとなる割合に設定されていることを特徴とする汚泥改良材。
- 請求項1〜3いずれか1項に記載の汚泥改良材において、過リン酸石灰若しくは硫安等の酸性肥料が加えられていることを特徴とする汚泥改良材。
- 請求項1〜4のいずれか1項に記載の汚泥改良材において、この汚泥改良材は植生用土壌として使用されるものであることを特徴とする汚泥改良材。
- 汚泥に、請求項1〜5いずれか1項に記載の汚泥改良材を混合し、前記ピートモスの吸着作用及び前記焼却灰の固化作用により前記汚泥の物性を改良することを特徴とする汚泥改良方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004107700A JP4473623B2 (ja) | 2004-03-31 | 2004-03-31 | 汚泥改良材及び汚泥改良方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004107700A JP4473623B2 (ja) | 2004-03-31 | 2004-03-31 | 汚泥改良材及び汚泥改良方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005288338A JP2005288338A (ja) | 2005-10-20 |
JP4473623B2 true JP4473623B2 (ja) | 2010-06-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2004107700A Expired - Lifetime JP4473623B2 (ja) | 2004-03-31 | 2004-03-31 | 汚泥改良材及び汚泥改良方法 |
Country Status (1)
Country | Link |
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JP (1) | JP4473623B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6773409B2 (ja) * | 2015-12-01 | 2020-10-21 | 五洋建設株式会社 | 粘性土の除塩方法および改良方法 |
JP7071241B2 (ja) * | 2018-08-09 | 2022-05-18 | 五洋建設株式会社 | 植生基盤およびその築造方法 |
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2004
- 2004-03-31 JP JP2004107700A patent/JP4473623B2/ja not_active Expired - Lifetime
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Publication number | Publication date |
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JP2005288338A (ja) | 2005-10-20 |
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