JP2007002007A - 酸性硫酸塩土壌の土壌改良材及び土壌改良方法 - Google Patents
酸性硫酸塩土壌の土壌改良材及び土壌改良方法 Download PDFInfo
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Abstract
【解決手段】焼却灰を水酸化ナトリウム水溶液と水熱反応させることにより人工ゼオライトを生成する。この人工ゼオライトを、所定の陽イオンとイオン交換して、ナトリウムイオンの含有量が6重量%以下、好ましくは2重量%として土壌改良材とする。この土壌改良材に水を加えてスラリー状にし、このスラリーを酸性硫酸塩土壌の表面に散布して、酸性硫酸塩土壌を改良する。また、この土壌改良材を生育基盤材に混合し、この生育基盤材を酸性硫酸塩土壌の表面に散布して、酸性硫酸塩土壌を改良する。
【選択図】図1
Description
まず、本実施形態における酸性硫酸塩土壌の土壌改良材について説明する。この土壌改良材は、焼却灰を水酸化ナトリウム水溶液と水熱反応させることにより生成される人工ゼオライトを用いている。原料とする焼却灰は、石炭をエネルギー源とする発電設備などにおいて発生する石炭灰(フライアッシュ)である。その主成分として、SiO2の含有量を35〜68重量%、Al2O3の含有量が15〜35重量%含むものを採取している。
2 のり面
3 金網
4 土壌改良材のスラリー
5 厚層基材
6 土壌改良材を混合した生育基盤材
Claims (5)
- 酸性硫酸塩土壌を改良するための土壌改良材であって、
前記土壌改良材は、焼却灰を水酸化ナトリウム水溶液と水熱反応させることにより生成される人工ゼオライトからなり、
この人工ゼオライトの有するナトリウムイオンが所定の陽イオンとイオン交換されて、その含有量が6重量%以下であることを特徴とする酸性硫酸塩土壌の土壌改良材。 - 所定の陽イオンとイオン交換された後の前記人工ゼオライトが有するカルシウムイオン、ナトリウムイオン、カリウムイオン及びマグネシウムイオンの交換性陽イオンの総量の、陽イオン交換容量に対する比が0.7以上であることを特徴とする請求項1に記載の酸性硫酸塩土壌の土壌改良材。
- 請求項1または2に記載の土壌改良材に水を加えてスラリー状にし、このスラリーを酸性硫酸塩土壌の表面に散布して、酸性硫酸塩土壌を改良することを特徴とする酸性硫酸塩土壌の土壌改良方法。
- 請求項1または2に記載の土壌改良材を生育基盤材に混合し、この生育基盤材を酸性硫酸塩土壌の表面に散布して、酸性硫酸塩土壌を改良することを特徴とする酸性硫酸塩土壌の土壌改良方法。
- 前記スラリーまたは生育基盤材に繊維質安定剤、増粘剤、化学肥料を加えることを特徴とする請求項3または4に記載の酸性硫酸塩土壌の土壌改良方法。
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| JP2005180614A JP3785417B1 (ja) | 2005-06-21 | 2005-06-21 | 酸性硫酸塩土壌の土壌改良材及び土壌改良方法 |
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| JP2007002007A true JP2007002007A (ja) | 2007-01-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008279349A (ja) * | 2007-05-10 | 2008-11-20 | Maeda Corp | 酸性化土壌の改良方法 |
| JP2009002083A (ja) * | 2007-06-22 | 2009-01-08 | Chubu Electric Power Co Inc | 法面植生保護工法及び法面植生保護構造 |
| JP2015052036A (ja) * | 2013-09-05 | 2015-03-19 | 前田建設工業株式会社 | 酸性硫酸塩土壌の改良材及び改良方法 |
| JP7146202B1 (ja) * | 2022-03-11 | 2022-10-04 | 強化土エンジニヤリング株式会社 | 地盤注入材および地盤注入工法 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100950546B1 (ko) * | 2009-04-30 | 2010-03-30 | 신림산업 주식회사 | 염해지용 토양 개량제 및 이의 제조 방법 |
| CN114790393B (zh) * | 2021-01-26 | 2024-04-19 | 中国科学院过程工程研究所 | 一种土壤调理剂及其制备方法与应用 |
| CN114381277B (zh) * | 2022-01-29 | 2022-07-19 | 中节能(连云港)清洁技术发展有限公司 | 基于碱渣无害化和资源化处理的土壤调理剂及其制备 |
| CN118635259B (zh) * | 2023-03-13 | 2026-04-24 | 中国科学院赣江创新研究院 | 一种离子型稀土矿镁盐浸矿场地的修复方法 |
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2005
- 2005-06-21 JP JP2005180614A patent/JP3785417B1/ja not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008279349A (ja) * | 2007-05-10 | 2008-11-20 | Maeda Corp | 酸性化土壌の改良方法 |
| JP2009002083A (ja) * | 2007-06-22 | 2009-01-08 | Chubu Electric Power Co Inc | 法面植生保護工法及び法面植生保護構造 |
| JP2015052036A (ja) * | 2013-09-05 | 2015-03-19 | 前田建設工業株式会社 | 酸性硫酸塩土壌の改良材及び改良方法 |
| JP7146202B1 (ja) * | 2022-03-11 | 2022-10-04 | 強化土エンジニヤリング株式会社 | 地盤注入材および地盤注入工法 |
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