JP2019115340A - Soil improver or improved bio-proliferation agent and soil foundation solidification method - Google Patents
Soil improver or improved bio-proliferation agent and soil foundation solidification method Download PDFInfo
- Publication number
- JP2019115340A JP2019115340A JP2018240863A JP2018240863A JP2019115340A JP 2019115340 A JP2019115340 A JP 2019115340A JP 2018240863 A JP2018240863 A JP 2018240863A JP 2018240863 A JP2018240863 A JP 2018240863A JP 2019115340 A JP2019115340 A JP 2019115340A
- Authority
- JP
- Japan
- Prior art keywords
- soil
- malic acid
- radioactive
- ground
- improved
- 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.)
- Granted
Links
- 239000002689 soil Substances 0.000 title claims abstract description 182
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims description 13
- 238000007711 solidification Methods 0.000 title description 15
- 230000008023 solidification Effects 0.000 title description 15
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims abstract description 36
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000001630 malic acid Substances 0.000 claims abstract description 36
- 235000011090 malic acid Nutrition 0.000 claims abstract description 36
- 229920002101 Chitin Polymers 0.000 claims abstract description 30
- 241000186361 Actinobacteria <class> Species 0.000 claims description 32
- 238000002156 mixing Methods 0.000 claims description 6
- 238000007596 consolidation process Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 2
- 241001446247 uncultured actinomycete Species 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 26
- 241000894006 Bacteria Species 0.000 abstract description 7
- 241000186046 Actinomyces Species 0.000 abstract description 3
- 238000005056 compaction Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 34
- 238000012360 testing method Methods 0.000 description 28
- 238000005202 decontamination Methods 0.000 description 27
- 230000003588 decontaminative effect Effects 0.000 description 25
- 239000012857 radioactive material Substances 0.000 description 24
- 239000000941 radioactive substance Substances 0.000 description 22
- 238000012790 confirmation Methods 0.000 description 18
- 230000035755 proliferation Effects 0.000 description 16
- 230000002285 radioactive effect Effects 0.000 description 15
- 229910052792 caesium Inorganic materials 0.000 description 14
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 14
- 239000000356 contaminant Substances 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 9
- 238000011109 contamination Methods 0.000 description 9
- 244000005700 microbiome Species 0.000 description 9
- 239000008399 tap water Substances 0.000 description 9
- 235000020679 tap water Nutrition 0.000 description 9
- 241000196324 Embryophyta Species 0.000 description 8
- 239000003516 soil conditioner Substances 0.000 description 7
- 238000005406 washing Methods 0.000 description 7
- 241000187747 Streptomyces Species 0.000 description 6
- 238000010276 construction Methods 0.000 description 6
- 230000001580 bacterial effect Effects 0.000 description 5
- 230000006378 damage Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 241001465754 Metazoa Species 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 240000002791 Brassica napus Species 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000008103 glucose Substances 0.000 description 2
- 239000003673 groundwater Substances 0.000 description 2
- 238000003895 groundwater pollution Methods 0.000 description 2
- 239000001963 growth medium Substances 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002062 proliferating effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000003900 soil pollution Methods 0.000 description 2
- 235000011293 Brassica napus Nutrition 0.000 description 1
- 235000004977 Brassica sinapistrum Nutrition 0.000 description 1
- 241000208818 Helianthus Species 0.000 description 1
- 244000020551 Helianthus annuus Species 0.000 description 1
- 235000003222 Helianthus annuus Nutrition 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 231100000693 bioaccumulation Toxicity 0.000 description 1
- 238000001574 biopsy Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003864 humus Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 235000020238 sunflower seed Nutrition 0.000 description 1
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
Description
この発明は、各種土工事による土壌地盤のバイオ増殖固化性能に於いては、軟弱地盤の排水性を改善し、土壌の粘性を上げ、地盤の改良、土壌法面の補強、道路工事、宅地造成等の各種用途の土の固化改良分野に利用される。また、土壌地盤のバイオ増殖固化性能により、放射性物質による土壌汚染、地下水汚染等の二次被害等、有害な汚染問題を解決し、あるいは風等による飛散の恐れのある土の表面をバイオ増殖固化して風害による放射性物質汚染の防止を図る放射性物質の除染分野に利用される。 This invention improves the drainage performance of soft ground, raises the viscosity of the soil, improves the ground, improves the soil slope, strengthens the road construction, and builds a residential land, in the biopropagation solidification performance of the soil ground by various soil constructions Etc. is used in the field of soil solidification improvement of various applications. In addition, by the biopropagation solidification performance of the soil ground, it solves the problem of harmful contamination such as soil pollution by radioactive materials, secondary damage such as ground water pollution, or bioaccumulates the surface of soil which may be scattered by wind etc. It is used in the field of decontamination of radioactive materials to prevent radioactive material contamination caused by wind damage.
従来、濃縮能を有する細菌が生息する放射性物質汚染土壌の除染用濃縮能細菌増殖剤は、リンゴ酸を主成分とすることを特徴とする放射性物質の除染用濃縮能細菌増殖剤がある（特開２０１４−１７４１６１号公報）。
また、該特許文献１の請求項１記載の放射性物質の除染用濃縮能細菌増殖剤は、放射性物質による汚染土壌の除染法に使用するリンゴ酸を主成分とする放射性物質の除染用濃縮能細菌増殖剤は、配合比が主成分であるリンゴ酸が４０〜９５％で、クエン酸が６０〜５％である液体又は粉体であることを特徴とする。
Conventionally, a concentrated bacterial growth agent for decontamination for radioactive material-contaminated soil in which bacteria having the ability to concentrate live is a concentrated bacterial growth agent for decontamination of radioactive material characterized in that malic acid is the main component (Unexamined-Japanese-Patent No. 2014-174161 gazette).
The concentrated bacterial growth agent for decontamination of radioactive substances according to claim 1 of Patent Document 1 is for decontamination of radioactive substances mainly composed of malic acid used in the decontamination method of contaminated soil with radioactive substances. The concentrated bacterial growth agent is characterized in that it is a liquid or powder having a malic acid content of 40 to 95% and a citric acid content of 60 to 5%.
従来のリンゴ酸を主成分とする放射性物質の除染用濃縮能細菌増殖剤は、放射性物質の濃縮能を有する細菌の増殖養生期間として例えば１ケ月から３ケ月を経て、汚染土壌中の放射性物質の濃縮能を有する細菌が増殖し、セシウム含有の放射性物質を取り込み土粒子から水洗浄やエア洗浄等によって容易に離脱させることができる旨の記載がされている（明細書段落００１２参照）。 A conventional concentrated bacterial growth agent for decontamination of radioactive material mainly composed of malic acid is a radioactive material in contaminated soil after, for example, one to three months as a growth and curing period of bacteria having the ability to concentrate radioactive material. It is described that bacteria having the ability to concentrate grow and that radioactive materials containing cesium can be taken up and easily released from soil particles by water washing, air washing, etc. (see specification 0012).
また、従来の土壌改良材料として、重金属を含むセメント系固化剤、大量の石灰、大量の普通セメントを使用し強引な改良方法により強度を上げた土壌改良のために、土壌汚染、地下水汚染等の二次被害等の問題を引き起こすものであった。 Also, as conventional soil improvement materials, cement-based solidifying agents containing heavy metals, large amounts of lime, large amounts of ordinary cements, and soil improvement, such as soil pollution and groundwater pollution, for the purpose of soil improvement that has been strengthened by a forcible improvement method. It caused problems such as secondary damage.
さらに、リンゴ酸、クエン酸、ブドウ糖による固化剤もあったが、対象土壌のキチン質混入具合により、強度発揮期間のバラツキ、強度不足等の問題があった。
又、除染では単純に汚染土壌を洗浄したり、汚染地盤に植物を植えたりしていたが、現状では洗浄汚染水の問題、細粒分以下の処分が必要となり、汚染土壌の減容化が依然として課題となっている。
Furthermore, although there was also a solidifying agent with malic acid, citric acid and glucose, there were problems such as variation in strength display period and insufficient strength depending on the degree of chitin contamination in the target soil.
In decontamination, the contaminated soil was simply washed or plants were planted on the contaminated ground, but in the present situation, the problem of the washing contaminated water, disposal of fine particles or less is required, and the volume of the contaminated soil is reduced. Is still an issue.
本発明は、土壌地盤のバイオ増殖固化性能による土質改良剤及び土壌並びに地盤の固化方法と、土壌中の放射性物質の土壌地盤のバイオ増殖固化性能による除染で、放射性物質汚染土壌の除染において、土壌中に放射性物質を吸収する放線菌等のバイオを増殖させ、土壌内部に存在する放射性物質が放線菌等を増殖させることにより、効果的に放射性物質を吸収内包させ、土粒子に付着した放射性物質を取り除くことができ、放線菌等のバイオ増殖成長により汚染地盤の除染を行うことを目的とする。 The present invention relates to a soil conditioner and a method for solidification of soil and soil by biogrowth / solidification performance of soil ground, and decontamination by radioactive soil in soil by biogrowth / solidification performance of radioactive material in soil, in decontamination of radioactive substance contaminated soil , By growing biopsies such as actinomycetes that absorb radioactive substances in the soil, and radioactive substances present inside the soil proliferating actinomycetes etc. so that radioactive substances are absorbed and contained effectively and attached to soil particles Radioactive material can be removed, and the purpose is to decontaminate contaminated ground by bioproliferation such as actinomycetes.
また、本発明は、地盤の土粒子と、放射性物質を内包した放線菌等の改良バイオとを分離することにより、放射性物質を内包した放線菌等の微生物と、放射性物質に汚染されていない土壌とを分離除去することが出来、従来のように放射性物質に汚染された土壌の廃棄に広大なスペースを確保する必要が無くなり、放射性物質を内包した放線菌等の微生物の回収に努めることにより大幅な汚染土壌の減容化が図られ、環境問題の大幅な改善を図ることができる放射性物質の除染と土壌固化の土質改良剤及びバイオ除染法と土壌地盤の固化方法を提供することを目的とする。 In addition, the present invention separates soil particles in the ground from improved bio-organisms such as actinomycetes in which radioactive substances are contained, whereby microorganisms such as actinomycetes in which radioactive substances are contained, and soil not contaminated with radioactive substances Can be separated and removed, and there is no need to secure a large space for waste disposal of soil contaminated with radioactive substances as in the prior art, and it is greatly improved by trying to recover microorganisms such as actinomycetes containing radioactive substances. To provide a soil conditioner for decontamination of radioactive materials and solidification of the soil, bioremediation method for soil solidification, and method for solidification of the soil ground, which can reduce the volume of the contaminated soil and significantly improve environmental problems. To aim.
また、本発明はキチン質を含む本剤により改良バイオの微生物増殖養生期間（７日から１ヶ月）を経て、汚染土壌中の改良バイオである放線菌等が増殖しセシウム等の放射性汚染物質を放線菌等の微生物に取り込み、土粒子から離脱させることを目的とする。
これにより汚染されていない土粒子と放射性物質を内包した微生物を分離し、改良バイオである放線菌等を処理することで、従来の汚染土壌の山積み化が一挙に解消され、汚染土壌の減容化が実現され、効果的に確実に除染が出来ることを目的とする。
In addition, the present invention includes a chitin-containing agent, which is subjected to the microorganism growth and curing period (7 days to 1 month) of the improved bio, and the actinomycetes and the like which are the improved bio in contaminated soil proliferate and radioactive contaminants such as cesium. It aims to be taken up by microorganisms such as actinomycetes and separated from soil particles.
By separating the soil particles and the microbes containing radioactive material by this, and processing the actinomycetes that are the improved bio, accumulation of the conventional contaminated soil is eliminated at once, and the volume of the contaminated soil is reduced. To realize effective and reliable decontamination.
また、重金属を含むセメント系固化剤の場合、重金属による土壌への汚染は免れなかった。又、これによる地下水への影響も考える必要があった。さらに、改良体表面を降雨等により流れた水はｐＨの上昇等の問題と河川等への流入により水棲生物・植物等に影響を及ぼした。
大量の石灰、普通セメント使用の場合は発熱量が大きくなり作業が危険で、ひび割れを発生させ、不安定なもので、完全な攪拌が難しくなり、むらがあった。また、土粒子自体は有機質土壌特有の改善が行われないため密度の粗い改良となり、空隙の多い透水性の無い改良地盤となり、強度にむらもあった。
In the case of cement-based solidifying agents containing heavy metals, heavy metal contamination of the soil was inevitable. Also, it was necessary to consider the impact on groundwater by this. Furthermore, the water which flowed on the surface of the improved body by rainfall etc. affected aquatic organisms, plants etc. due to the problems such as the rise of pH and the inflow to rivers etc.
In the case of using a large amount of lime and ordinary cement, the calorific value becomes large and the work is dangerous, causing cracks, making it unstable, making full stirring difficult and uneven. In addition, since soil particles themselves do not undergo improvement specific to organic soils, they are coarsely improved in density, become improved ground without permeability with many voids, and are uneven in strength.
リンゴ酸、クエン酸、ブドウ糖を主成分の組み合わせでの改良体は対象土壌のキチン質混入具合により、強度発揮期間のバラツキ、強度不足等の問題が発生した。
土粒子と放射性物質の分離が難しく洗浄では完全に分離して取り出すことが難しく効率が上がらなかった。
洗浄水に放射性物質が混入、洗浄水の処理が必要であった。
また、従来のように植物処理ではセシウム等放射性物質を土中より植物に吸収させる媒体となる改良バイオが土中に少なく、放射性物質は土中に取り残され、効果を得ることが出来なかった。
さらに、土粒子の表面研磨利用の土壌洗浄技術での汚染細粒分増加による処理汚染処分量の増大とこれによる細粒分不足による耕作土としての再利用が出来なかった。
The improvement of the combination of main components of malic acid, citric acid and glucose caused problems such as variation in strength display period and lack of strength depending on the degree of chitin contamination in the target soil.
It was difficult to separate soil particles and radioactive materials, it was difficult to separate completely by washing, it was difficult to increase efficiency.
A radioactive substance was mixed in the washing water, and it was necessary to treat the washing water.
Also, as in the prior art, in plant treatment, there are few improved bioremediations that serve as a medium for absorbing radioactive materials such as cesium from soils rather than soils, radioactive materials are left in the soil, and no effect can be obtained.
Furthermore, it was not possible to increase the amount of treated contaminated disposal due to the increase in the amount of contaminated fine particles in the soil washing technology using surface polishing of soil particles and to reuse it as cultivated soil due to the lack of fine particles.
本発明は、各種土壌工事による土壌固化に於いて、軟弱地盤の排水性を改善し、土壌の粘性を上げ地盤の改良、土壌の法面の補強、道路工事、宅地造成等の各種用途の土の固化改良分野に使用される土壌固化による土質改良剤及び土壌並びに地盤の固化方法と放射性物質による土壌汚染、地下水汚染等による土壌の二次被害等による有害な汚染問題を解決し、風等による飛散のおそれのある土の表面を固化して風害による放射性物質汚染の防止を図る、放射性物質汚染土壌の除染において、土壌中に放射性物質を吸収する放線菌等のバイオを増殖させることにより、効果的に放射性物質を吸収内包させ、土粒子に付着した放射性物質を取り除く事が出来、放線菌等のバイオ増殖成長により汚染地盤の除染ができることを目的とする。 The present invention improves drainage of soft ground, raises the viscosity of the soil, improves the ground, reinforces the slope of the soil, strengthens the slope of the soil, road construction, residential land construction, etc. Soil conditioner by soil solidification used in the field of solidification improvement of soil and soil and soil contamination method by radioactive material and soil solidification method by soil solidification, secondary problem of soil by ground water contamination etc solve the harmful pollution problem by wind etc. In the decontamination of radioactive substance contaminated soil to solidify the surface of the soil that might be scattered and prevent radioactive material contamination by wind damage, by proliferating organisms such as actinomycetes that absorb the radioactive substance in the soil, An object of the present invention is to absorb and contain radioactive substances effectively, to remove radioactive substances attached to soil particles, and to decontaminate contaminated ground by bio-growth and growth of actinomycetes and the like.
また、地盤の土粒子と放射性物質を内包した放線菌等の改良バイオとを分離することにより、放射性物質を内包した放線菌等の微生物と、放射性物質に汚染されていない土壌とを分離除去することが出来、従来のように放射性物質に汚染された土壌の広大なスペースを確保する必要がなくなり、放射性物質を内包した放線菌等の微生物の回収に努めることにより大幅な汚染土壌の減容化が図られ、環境問題の大幅な改善を図ることができることを目的とする。 In addition, by separating soil particles in the ground from improved bio-organisms such as actinomycetes in which radioactive substances are contained, microorganisms such as actinomycetes in which radioactive substances are contained are separated and removed from soil not contaminated with radioactive substances. It is not necessary to secure the large space of the soil contaminated with radioactive material as in the past, and the volume reduction of the contaminated soil is greatly achieved by striving for recovery of microbes such as actinomycetes including radioactive material. Purpose to be able to significantly improve environmental issues.
請求項１記載の発明は、放射性物質による汚染土壌の除染手段として、該汚染土壌に投入するリンゴ酸とキチン質を主成分とする土質改良剤と、該汚染土壌中の放射性物質を取り込む放線菌等の微生物を増殖出来る土質改良剤又は改良バイオ増殖剤である。 The invention according to claim 1 is a method for decontaminating soil contaminated with radioactive material, a soil conditioner containing malic acid and chitin as main components to be introduced into the contaminated soil, and radiation incorporating the radioactive material in the contaminated soil It is a soil quality improver or an improved bioproliferation agent that can grow microorganisms such as bacteria.
請求項２記載の発明は、透水性のある地盤で、かつ人畜無害な地盤で、しっかりした強度の地盤を得ることが出来る物質として、リンゴ酸、キチン質を主成分とする土質改良剤を土壌地盤に混合攪拌又は、注入浸透した後、加圧固化せしめて圧密構造に形成したことを特徴とする土壌地盤固化法である The invention according to claim 2 is a soil improver mainly composed of malic acid and chitin as a substance capable of obtaining a firm and strong ground on a permeable ground and a harmless ground for human beings and animals. A method of soil soil solidification characterized in that it is formed into a consolidated structure after being mixed, stirred or injected and infiltrated into the ground, and then solidified under pressure.
請求項３記載の発明は、透水性がある地盤であって、かつ人畜無害な地盤で、しっかりした強度の地盤を得ることが出来る物質として、リンゴ酸、キチン質を主成分とする土質改良剤を土壌地盤に均一に散布し、該土壌の表面のみを固化せしめる事を特徴とする土壌地盤固化法である。 The invention according to claim 3 is a soil improver mainly composed of malic acid and chitin as a substance capable of obtaining a firm and strong ground on a permeable ground and a harmless ground for human beings and animals. Is spread uniformly on the soil, and only the surface of the soil is solidified.
請求項４記載の発明は、リンゴ酸、キチン質を主成分とする土質改良剤を放射性物質含有の汚染土壌地盤に均一に散布し、放線菌等の改良バイオの微生物増殖養生期間である７日から１ケ月を経て、放線菌等の放射性物質を取り込む微生物を土中に増殖させ、セシウム等の放射性物質を増殖した放線菌等の改良バイオを土中に取り込み、土粒子から離脱させて、土粒子と改良バイオを分離し、分離した改良バイオを処理することを特徴とする改良バイオの増殖法及び除染法である。 The invention according to claim 4 is 7 days which is a period of microbial growth curing period of improved bio, such as actinomycetes, by uniformly distributing soil conditioner containing malic acid and chitin as a main component to contaminated soil ground containing radioactive material. After 1 month, a microorganism that takes in radioactive substances such as actinomycetes is grown in the soil, improved biotechniques such as actinomycetes that have grown radioactive substances such as cesium in the soil, and released from soil particles. An improved bio-growing method and decontamination method comprising separating particles and improved bio and processing the separated improved bio.
請求項５記載の発明は、液体又は粉体のリンゴ酸と、粉体のキチン質を主成分とし、該リンゴ酸とキチン質が土壌中に散布浸透することで土壌中の放線菌等を取り込む改良バイオを増加させ、放射性汚染土壌の除染で、土壌内部の増加した改良バイオにセシウム等の放射性汚染物質を取り込ませ、土粒子と放射性汚染物質を取り込んだ放線菌等を分けることを特徴とする放射性汚染土壌の除染法である。 The invention according to claim 5 is mainly composed of liquid or powdery malic acid and powdery chitinaceous matter, and the malic acid and the chitinaceous matter disperse and penetrate into the soil to take up actinomycetes etc. in the soil. It is characterized by increasing the improved bio, decontaminating radioactively contaminated soil, incorporating radioactive contaminants such as cesium into the increased improved bio inside the soil, and separating actinomycetes etc. that have incorporated soil particles and radioactive contaminants. Decontamination of radioactively contaminated soil.
本発明は、以上のような構成よりなる液体、粉体にて使用目的に応じて選べる、キチン質の少ない対象へも、土壌除染効果を上げるための除染バイオ増殖剤である。 The present invention is a decontamination bioproliferation agent for enhancing the soil decontamination effect even on a target with a small amount of chitin, which can be selected according to the purpose of use with the liquid or powder having the above constitution.
本発明に係る土壌改良剤はリンゴ酸により土粒子の電荷による繋がりが断ち切られて圧密性能を上げ、土粒子や有機分の１つ１つに働きかけ、１つ１つ包み込み、粘着力を上げる。その後、加圧して締め固めるか、時間をかけ、自然圧密性能により締め固めることで、リンゴ酸とキチン質の効果で改良バイオが増殖し地盤の含水比を最適にし、透水性のあるしっかりした強度の高密度地盤を得ることが可能な、リンゴ酸、キチン質を主成分とする土質改良剤である。 In the soil conditioner according to the present invention, the charge connection of the soil particles is cut off by malic acid to enhance the consolidation performance, work on the soil particles and the organic component one by one, wrap them one by one, and increase the adhesion. After that, pressure compacting, taking time, and compacting by the natural consolidation performance, the bio-effects of the malic acid and chitin improve and the moisture ratio of the ground is optimized, and firm strength with permeability It is a soil improvement agent based on malic acid and chitin that can obtain high density ground.
二次作用として添加後、土着菌が地盤土中に増加、土質に応じた最適含水比と高密度を維持、安定する。土を死滅させることなく、土を自然な形で改良、高密度とする事が容易に出来る。
又、対象となる土壌中のセシウム等を含有する放射性汚染物質を増殖させた改良バイオが土中のカリウムに対する作用と同じように改良バイオ内に吸収、土壌中土粒子より離脱分離する。これにより、土壌中で土粒子・放射性汚染物質を取り込んだバイオの分離が完了、これにより土粒子と改良バイオを分離させ、改良バイオを処理することで、除染土壌の減容化が出来、効果的に確実に除染が出来る。分離土粒子は再利用とし、放射性汚染物質のみを処分することが出来る。確実で無駄のない土壌の除染が容易に出来る。
After addition as secondary action, indigenous bacteria increase in the ground soil and maintain and stabilize the optimum moisture content and high density according to the soil quality. It is possible to easily improve and densify the soil in a natural manner without killing the soil.
Also, the improved bio produced by growing radioactive contaminants containing cesium and the like in the target soil is absorbed in the improved bio and separated from the soil particles in the soil, similarly to the action on potassium in the soil. By this, the separation of the bio taken up with soil particles and radioactive contaminants in the soil is completed, thereby separating the soil particles and the improved bio, and by processing the improved bio, the volume of the decontaminated soil can be reduced. Decontamination can be done effectively and reliably. Separated soil particles can be recycled and only radioactive contaminants can be disposed of. It is possible to decontaminate the soil easily and reliably without waste.
本発明は上記の説明から判るように、本発明に係る土質改良剤は人畜無害のものであり、対象土壌に混入、浸透、散布混合することにより、リンゴ酸が土粒子の電荷による繋がりを断ち切り、土粒子１つ１つを包み込み粘性を上げ、リンゴ酸とキチン質による放線菌等の土着菌によりつなぎ止める効果により、これを強制的に締め固めるか、粘着力を利用し自然に時間をかけて締め固めることで、土を自然な形で生かし、透水性を維持しながら固化でき、強度を上げることが出来、きわめて確実に実現できる。 As the present invention can be understood from the above description, the soil conditioner according to the present invention is harmless to humans and animals, and malic acid breaks the connection due to the charge of soil particles by mixing, infiltrating, scattering and mixing in the target soil. Or, to wrap the soil particles one by one to increase the viscosity, due to the effect of fixing by indigenous bacteria such as actinomycetes by malic acid and chitin, it is forcibly compacted or it takes time naturally using adhesion force By compacting, the soil can be solidified in a natural form, solidified while maintaining the permeability, and the strength can be increased, which can be realized extremely surely.
本発明は、除染効果では、汚染土壌地盤に散布浸透させるか混ぜ、改良バイオの微生物増殖養生期間（７日〜１ヶ月）を経て、汚染土壌中の改良バイオが増殖しセシウム等の放射性汚染物質を取り込むこととなり、土粒子から離脱させる。これにより土粒子と改良バイオを分離し、放射性物質を取り込んだ改良バイオを処理することで、減容化出来、効果的に確実に除染が出来る。分離した土粒子は再利用とし、放射性汚染物質のみを処分出来るため、確実で無駄のない土壌の除染が容易に出来る。 In the present invention, in the decontamination effect, it is sprayed or mixed into the contaminated soil ground, and after the improved bio-microbe growth curing period (7 days to 1 month), the improved bio-propagation in the contaminated soil grows and radioactive contamination such as cesium etc. It will take in the substance and let it separate from the soil particles. As a result, by separating soil particles and improved bio, and processing the improved bio incorporating radioactive materials, the volume can be reduced and decontamination can be performed effectively and reliably. The separated soil particles can be reused, and only radioactive contaminants can be disposed of, so it is possible to easily decontaminate the soil without waste.
又、ひまわり、菜種等の植物利用の除染では汚染土壌培地に同様な散布浸透、散布混合後の、作付けにより改良バイオより植物へセシウム等の放射性汚染物質を確実に送る事が可能となり効果的で確実な除染が出来る。
セシウム等の放射性汚染物質を効果的に取り込む事が出来、きわめて確実である。
Also, in decontamination of plants using sunflowers, rapeseeds etc., it is possible to ensure that radioactive contaminants such as cesium can be sent to plants from the improved bio by planting after the same dispersal and infiltration, dispersal and mixing in contaminated soil culture medium, which is effective. Can be used to ensure decontamination.
Radioactive contaminants such as cesium can be taken in effectively, which is extremely reliable.
（１）粘性土の土壌地盤１，６００ｋｇ／ｍ3に対し、ローラーにて締め固めた後、キチン質１０ｇ／ｍ２散布後、リンゴ酸１５０ｇを水で液体化、２リットル／ｍ2とし、これを散布浸透させて、圧密構造の改良地盤を得た。 (1) After compacting with a roller against the soil ground of 1,600 kg / m 3 of cohesive soil, after spraying 10 g / m 2 of chitin, 150 g of malic acid is liquefied with water to make 2 liters / m 2 , This was spread and infiltrated to obtain an improved ground of consolidated structure.
（２）腐食土の土壌１，４９０ｋｇ／ｍ3に対し、リンゴ酸６３３ｇ、キチン質１０ｇを１ｍ3当りに添加注入浸透して、微生物増加による含水比改善効果で土粒子間の水分を除去、含水比を下げて収縮密度を上げ、圧密構造の改良土壌地盤を得た。 (2) removal to soil 1,490kg / m 3 of humus, 633 g malic acid, chitin 10g was added injected permeate per 1 m 3, the water between the soil particles in the water content ratio improving effect by the microorganism increases, The moisture content was lowered to increase the shrinkage density, and an improved soil-ground structure with a consolidated structure was obtained.
（３）レキ混じり高有機質土の地盤１，７３２ｋｇ／ｍ3に対し、リンゴ酸６４９ｇ、キチン質１０ｇ計６５９ｇを１ｍ3当たりにて、混合攪拌後、ローラーにて締め固めることで、微生物増加による含水比改善効果による土粒子間の水分を除去、含水比を下げて収縮密度を上げて圧密構造の改良地盤を得た。 (3) with respect to ground 1,732kg / m 3 of gravel mingled high organic soil, 649 g malic acid at chitin 10g meter 659g to 1 m 3 per After mixing, by compacting by roller, by microorganisms increases The moisture content was improved by removing the moisture between soil particles, and the moisture content was lowered to increase the shrinkage density to obtain an improved ground with a consolidated structure.
（４）盛土法面を補強する場合、道路工事、宅地造成等において飛散の恐れのある地盤の表面に、水２リットルとリンゴ酸３００ｇ、キチン質２０ｇ計３２０ｇを合わせ混合液とし散布、浸透により、表面のみを固化し、風による飛散防止と土砂の養生を簡単に出来た。 (4) When reinforcing embankment slopes, combine 2 liters of water, 300 g of malic acid, and 20 g of chitin in total into a mixed solution and disperse it on the surface of the ground where there is a risk of scattering in road construction, residential land construction, etc. , Solidify only the surface, it was easy to prevent scattering by wind and cure of soil.
（５）リンゴ酸とキチン質を主成分とし、液体及び粉体にし、放射性汚染土壌の除染を可能にする改良バイオ増殖剤を得た。これを汚染土壌地盤に散布浸透するか混ぜ、改良バイオの微生物増殖養生期間（７日〜１ヶ月）を経て、汚染土壌中の改良バイオが増殖し汚染物質（セシウム）を取り込み土粒子から離脱させる。これにより土粒子と改良バイオを分離、改良バイオを処理することで、減容化出来、効果的に確実に除染が出来る。分離土粒子は再利用とし、放射性汚染物質のみを処分出来る。確実で無駄のない土壌の除染が容易に出来た。 (5) An improved bioproliferation agent was obtained, which is mainly composed of malic acid and chitin, made into liquid and powder, and capable of decontaminating radioactively contaminated soil. This is sprayed or mixed into the contaminated soil, and after the improved bio-microbial growth period (7 days to 1 month), the improved bio in the contaminated soil is propagated and contaminates (cesium) are taken away from the soil particles . By this, soil particles and improved bio are separated, and by processing the improved bio, the volume can be reduced and decontamination can be performed effectively and reliably. Separated soil particles can be recycled and only radioactive contaminants can be disposed of. It was easy to decontaminate the soil with certainty and no waste.
（６）リンゴ酸とキチン質を主成分とし、液体及び粉体にし、土壌の除染を可能にする改良バイオ増殖剤を得た。ひまわり、菜種等の植物利用の除染では汚染土壌培地に同様な散布浸透、散布混合後の、作付けにより改良バイオより植物へセシウム等の放射性汚染物質を確実に送る事が可能で、放射性汚染土壌の植物利用除染分野に於ける問題点を防止、効率向上と確実な除染が出来た。 (6) An improved bioproliferation agent was obtained which is mainly composed of malic acid and chitin, made into liquid and powder, and capable of decontaminating the soil. In decontamination of plant use such as sunflower and rapeseed, it is possible to reliably send radioactive contaminants such as cesium to plants from the improved bio by planting after the same spraying, spraying and mixing to the polluted soil culture medium, radioactively contaminated soil The problems in the field of plant use decontamination were prevented, and efficiency improvement and reliable decontamination were achieved.
本発明は、大地震に起因して原子力発電所の原子炉の破壊等に起因して近隣の土地、田畑等への放射性物質汚染土壌から放射性汚染物質を除去し、該汚染物質から開放され再び土地等が有効活用され、被災住民等が安心して暮らせる土地を提供でき、被災地等の復興に多大に寄与するものである。 The present invention removes radioactive contaminants from radioactive material contaminated soil to nearby lands, fields etc due to the destruction of a nuclear power plant reactor due to a large earthquake, etc. and is released from the contaminants again Lands etc. can be effectively used, and lands can be provided for affected residents etc. to live with peace of mind, which will greatly contribute to the recovery of affected areas etc.
１ ローラー転圧
２ リンゴ酸によるコート工１５０ｇ/２リットル/ｍ２、キチンパウダー１０ｇ/ｍ２散布
３ 散布当初改良深さを５ｍｍとし、降雨毎に最終５ｃｍ程度バイオ改良を目標とする
４ 土壌の放線菌増殖効果確認試験（１）
５ 土壌の放線菌増殖効果確認試験（２）
６ 土壌の放線菌増殖効果確認試験（３）
７ 土壌の放線菌増殖効果確認試験（４）
８ 土壌の放線菌増殖効果確認試験（５）
９ 土壌の放線菌増殖効果確認試験（６）
１０ 土壌の放線菌増殖効果確認試験（７）
１１ 土壌の放線菌増殖効果確認試験（８）
１２ 土壌の放線菌増殖効果確認試験（９）
１３ 粗土粒子
１４ 細土粒子
１５ 空気
１６ 水
１７ 粘土等
１８ 汚染土壌地盤
１９ 改良バイオ（土粒子から離脱）
２０ 土粒子（セシウムは表皮に付着）
２１ 除染バイオは表皮セシウムを吸収
1 Roller rolling pressure 2 Coating with malic acid 150 g / 2 liter / m 2 Chitin powder 10 g / m 2 spraying 3 Spraying improvement initial depth 5 mm, aim for final 5 cm bio improvement every rainfall 4 soil Actinomyces proliferation effect confirmation test (1)
5 Streptomyces proliferation effect confirmation test of soil (2)
6 Streptomyces proliferation effect confirmation test of soil (3)
7 Streptomyces proliferation effect confirmation test of soil (4)
8 Streptomyces proliferation effect confirmation test of soil (5)
9 actinomycetes multiplication effect confirmation test of soil (6)
10 actinomycetes multiplication effect confirmation test of soil (7)
11 Streptomyces proliferation effect confirmation test of soil (8)
12 Streptomyces proliferation effect confirmation test of soil (9)
13 coarse soil particles 14 fine soil particles 15 air 16 water 17 clay etc 18 contaminated soil ground 19 improved bio (leaving from soil particles)
20 soil particles (cesium adheres to the skin)
21 Decontamination bioabsorbs epidermal cesium
Claims (3)
The soil-ground-solidifying method which spreads the actinomycete growth agent of Claim 1 uniformly to soil ground, and makes only the surface of this soil solidify.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018240863A JP6767467B2 (en) | 2018-12-25 | 2018-12-25 | Soil conditioner or improved bioproliferative agent and soil ground solidification method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018240863A JP6767467B2 (en) | 2018-12-25 | 2018-12-25 | Soil conditioner or improved bioproliferative agent and soil ground solidification method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015118663A Division JP2017003474A (en) | 2015-06-11 | 2015-06-11 | Soil improving agent or improved bio-proliferation agent, soil foundation solidification method, proliferation method and decontamination method of improved bio, and decontamination method of radioactive contaminated soil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2019115340A true JP2019115340A (en) | 2019-07-18 |
| JP6767467B2 JP6767467B2 (en) | 2020-10-14 |
Family
ID=67303571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2018240863A Active JP6767467B2 (en) | 2018-12-25 | 2018-12-25 | Soil conditioner or improved bioproliferative agent and soil ground solidification method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6767467B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111335296A (en) * | 2020-02-12 | 2020-06-26 | 遵义师范学院 | Multi-effect pile for soil fixation, corrosion reduction and slow release fertilizer increase in karst mountainous region and construction method thereof |
-
2018
- 2018-12-25 JP JP2018240863A patent/JP6767467B2/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111335296A (en) * | 2020-02-12 | 2020-06-26 | 遵义师范学院 | Multi-effect pile for soil fixation, corrosion reduction and slow release fertilizer increase in karst mountainous region and construction method thereof |
| CN111335296B (en) * | 2020-02-12 | 2022-06-24 | 遵义师范学院 | Multi-effect pile for soil fixation, corrosion reduction and slow release fertilizer increase in karst mountainous region and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6767467B2 (en) | 2020-10-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101705578B1 (en) | Composition for ecological restoration using and method for restoring the degraded ecology by them | |
| US10512957B2 (en) | Colloidal agents for aquifer and metals remediation | |
| CN105107824A (en) | Harmless treatment method for drilling wastes of oil and gas fields | |
| US20190126332A1 (en) | Remediation material for heavy-metal chromium contaminated soil, preparation method and application thereof | |
| CN100586881C (en) | Petroleum well drilling waste slurry harmless environmental protection curing agent and producing method thereof | |
| Frankenberger | Fate of wastewater constituents in soil and groundwater: pathogens | |
| CN104190698A (en) | Method for restoring clayed soil of high-load heavy metal polluted site | |
| CN102641888A (en) | In-situ remediation method of heavy metal polluted site | |
| CN113058985A (en) | Heavy metal contaminated soil degradation harmless treatment method | |
| JP2006159178A (en) | Soil cure process mainly by pulverized bark | |
| JP2019115340A (en) | Soil improver or improved bio-proliferation agent and soil foundation solidification method | |
| CN109777426A (en) | A kind of renovation agent and preparation method thereof suitable for cadmium pollution soil | |
| US6974499B1 (en) | Soil improving agent including soil hardening agent and ground improving agent, soil improving method including soil hardening method and ground improving method, and improved ground | |
| JP5789317B2 (en) | Soil composition and its use for coating plants contaminated with radioactive material and planting plants | |
| US20160361742A1 (en) | Soil texture improving agent or improvement microorganism proliferation agent, soil ground solidification method, improvement microorganism proliferation method and decontamination method, and decontamination method of soil contaminated with radioactive material | |
| JP3455952B2 (en) | How to fix harmful substances | |
| CN106508163B (en) | A kind of waste water-base drilling liquid soil treatment compositions and its application | |
| DE19851256A1 (en) | Immobilizing and/or compacting waste material comprises forming an aqueous suspension comprises ground clay in water, mixing with the waste material and directly adding an inorganic hydraulic binder | |
| CN115608770A (en) | Microbial technology soil remediation method | |
| RU2646882C2 (en) | Method for ground production in sludge decantation and subsequent reclamation | |
| CN103755112A (en) | Method for efficiently degrading polluted bottom mud of vegetation and immobilizing industrial sludge by using organisms | |
| JP5362926B1 (en) | Decontamination of contaminated soil with radioactive materials | |
| JP2004269832A (en) | Soil microbe proliferating agent, method for improving soil properties such as soil remediation, ground hardening improvement etc. using the same, and improved ground | |
| CN107159692A (en) | Heavy metal pollution place disposal system and method | |
| Mwandira et al. | Stabilization/solidification of mining waste via biocementation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20181226 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20181226 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20191224 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200220 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20200221 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20200512 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200629 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20200825 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20200917 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 6767467 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |