JP2004136224A - Treatment method of oil contaminated soil and its equipment - Google Patents

Treatment method of oil contaminated soil and its equipment Download PDF

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Publication number
JP2004136224A
JP2004136224A JP2002304203A JP2002304203A JP2004136224A JP 2004136224 A JP2004136224 A JP 2004136224A JP 2002304203 A JP2002304203 A JP 2002304203A JP 2002304203 A JP2002304203 A JP 2002304203A JP 2004136224 A JP2004136224 A JP 2004136224A
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Prior art keywords
soil
oil
contaminated soil
petroleum
pile
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JP2002304203A
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JP3760349B2 (en
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Hiroshi Kanisawa
蟹沢　博
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UEKI CORP
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UEKI CORP
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a treatment method of oil contaminated soil which activates the function of oil-decomposing bacteria, can decompose and remove oil content in oil contaminated soil by virtue of the function of the oil-decomposing bacteria, can decompose and remove the oil content soaking into the soil, can avoid the occurrence of pollution and the lowering of property value and can enhance the performance of tretment of the oil contaminated soil by mixing a nutrient facilitating the growth and activity of the oil-decomposing bacteria in the soil into the oil contaminated soil to prepare a soil pile, feeding the air necessary for activating the oil-decomposing bacteria to the inner part of the soil pile by means of an air feeder and replenishing the water content necessary for activating the oil-decomposing bacteria to the surface of the soil pile by means of a water replenisher, and its equipment. <P>SOLUTION: The equipment for treating oil contaminated soil is provided with a soil treatment plant 1 in which the nutrient facilitating the growth and activity of the oil-decomposing bacteria in the soil is mixed into the oil contaminated soil and the soil pile is prepared thereby, the air feeding equipment 2 which feeds the air necessary for activating the oil-decomposing bacteria to the inner part of the soil pile, and hydration equipment 3 which rehydrates the water content necessary for activating the petroleum degrading microorganisms to the surface of the soil pile. <P>COPYRIGHT: (C)2004,JPO

Description

【０００１】
【発明の属する技術分野】
本発明は例えば石油製品を扱う工場跡地の土壌に染み込んだ油分を分解除去する際に用いられる油汚染土壌浄化処理方法及びその設備に関するものである。
【０００２】
【従来の技術】
この種の石油製品を扱う工場跡地の再開発に問題となるのが土壌に染み込んだ油分であり、この油分が公害の原因となったり、資産価値を低下させたりすることがあり、このための油分除去手段として、油汚染土壌を焼却する構造のものが知られている。
【０００３】
【発明が解決しようとする課題】
しかしながら上記従来構造の場合、高価な焼却設備が必要となったり、大量の油汚染土壌に対応することができないことがあるという不都合を有している。
【０００４】
【課題を解決するための手段】
本発明はこのような課題を解決することを目的とするもので、本発明のうちで、請求項１記載の方法の発明は、油汚染土壌に土壌中の石油分解菌の生育及び活性を促す栄養剤を混合して土壌パイルを作り、該土壌パイルの内部に石油分解菌を活性化するために必要な空気を注入すると共に土壌パイルの表面に石油分解菌を活性化するために必要な水分を補給し、かつ、該土壌パイルを石油分解菌の活性に適する温度に維持し、該石油分解菌の働きにより油汚染土壌中の油分を分解除去することを特徴とする油汚染土壌浄化処理方法にある。
【０００５】
又、請求項２記載の方法の発明は、上記土壌パイルを石油分解菌の活性化に適する温度に維持することを特徴とするものであり、又、請求項３記載の方法の発明は、上記油汚染土壌に微生物製剤を混合することを特徴とするものであり、又、請求項４記載の方法の発明は、上記油汚染土壌に腐葉土を混合することを特徴とするものであり、又、請求項５記載の方法の発明は、上記油汚染土壌に消石灰を混合することを特徴とするものである。
【０００６】
又、請求項６記載の装置の発明は、油汚染土壌に土壌中の石油分解菌の生育及び活性を促す栄養剤を混合して土壌パイルを作る土壌処理場と、該土壌パイルの内部に石油分解菌を活性化するために必要な空気を注入する空気注入設備と、該土壌パイルの表面に石油分解菌を活性化するために必要な水分を補給する水分補給設備とを備えたことを特徴とする油汚染土壌浄化処理設備にある。
【０００７】
又、請求項７記載の装置の発明は、上記土壌パイルを石油分解菌の活性化に適する温度に維持する温度維持設備を備えたことを特徴とするものである。
【０００８】
【発明の実施の形態】
図１、図２は本発明の実施の形態例を示し、１は土壌処理場であって、例えば、再開発される工場跡地の近傍や特設地に施工され、この土壌処理場１において、油汚染土壌Ｄに土壌中の石油分解菌の生育及び活性を促す栄養剤Ｅを混合し、この混合土により土壌パイル（畝）Ｗを作ることになる。例えば、図１の如く、二次汚染を防ぐため、先ず、地面Ｇに防油シート１ａを敷設し、この防油シート１ａ上に底辺１，５００ｍｍ、上辺３００ｍｍ、高さ６００ｍｍ程度の台形状の土壌パイルＷを複数列作り、土壌パイルＷの周囲に汚染拡大を防ぐ防油堤Ｂを施工する。
【０００９】
この汚染土壌に混合する栄養剤Ｅとしては、例えば、アンモニア体窒素１２％、硝酸体１３％、リン７％、その他、カリウム、カルシュウム、金属類を米国、オッペンハイマー社製栄養剤等が用いられる。
【００１０】
又、処理検討段階の浄化適応性試験としてのトリビタリー試験の結果により油汚染土壌中に有効な石油分解菌が含まれていないと確認された場合など、必要に応じ、上記油汚染土壌に微生物製剤Ｓを混合することがあり、この微生物製剤とは、油分解作用をもつ天然微生物から作られたもので、油を吸収消化して水と二酸化炭素に分解するものであり、例えば、商品名テラザイム（米国、オッペンハイマー社製）等が用いられる。
【００１１】
又、下記の表１のように、この油汚染土壌が砂質土の場合には、油汚染土壌に例えば容積比で５％程度の腐葉土を混合し、水分と栄養分の保持力を高めることが望ましく、又、この油汚染土壌が粘性土の場合には、上記油汚染土壌に重量比で１〜２％の消石灰を混合し、土壌を粒状化することにより通気性を高めて石油分解菌の活性化を促進させるようにすることが望ましい。
【００１２】
２は空気注入設備であって、この場合、太陽発電パネル２ａからなる電源２ｂ及び商用電源からなる補助電源２ｃによりコンプレサー２ｄを運転し、上記土壌パイルＷの内部に空気注入管２ｄを挿通配置し、コンプレッサー２ｄから例えば、表１のように、直径３０ｍｍ程度の塩化ビニール製の空気注入管２ｅに空気を送り、空気注入管２ｅの管壁の噴出孔２ｆより空気を噴出させ、例えば、１，０００リットル／ｍ３・ｈｒ程度の空気量を土壌パイルＷの内部に注入し、石油分解菌を活性化するために必要な空気を注入するように構成している。
【００１３】
３は水分補給設備であって、この場合、いわゆるスプリンクラーが用いられ、土壌パイルＷの表面に散水パイプ３ａを配置し、例えば毎朝及び毎晩約１０分程度散水し、例えば、表１のように、２〜１０リットル／ｍ３・日程度の水分補給量とし、例えば、土壌の含水比を、砂質土で１０〜１５％、粘性土で１５〜２５％を保つように、石油分解菌を活性化するために必要な水分を補給するように構成している。
【００１４】
４は温度維持設備であって、この場合、ビニールハウスが用いられ、冬期間等の気温が低い場合には、石油分解菌の働きが低下するため、土壌パイルを石油分解菌の活性化に適する温度、例えば、表１のように、１５℃〜４０℃に維持するように構成している。
【００１５】
【表１】

Figure 2004136224
【００１６】
この実施の形態例は上記構成であるから、土壌処理場１において、油汚染土壌Ｄに土壌中の石油分解菌の生育及び活性を促す栄養剤Ｅを混合して土壌パイルＷを作り、空気注入設備２により土壌パイルＷの内部に石油分解菌を活性化するために必要な空気を注入し、かつ、水分補給設備３により土壌パイルＷの表面及び又は土中に石油分解菌を活性化するために必要な水分を補給することにより、石油分解菌の働きを活性化させ、この石油分解菌の働きにより油汚染土壌Ｄ中の油分を分解除去することができ、例えば、工場跡地の再開発に問題となる土壌に染み込んだ油分を分解除去することにより公害の発生や資産価値の低下を回避することができ、かつ、設備費用を低減することができると共に油汚染土壌の浄化処理能力を高めることができる。
【００１７】
又、この場合、温度維持設備４により上記土壌パイルＷを石油分解菌の活性化に適する温度に維持することができ、油汚染土壌の一層浄化処理能力を高めることができ、又、上記油汚染土壌に微生物製剤を混合することにより油汚染土壌中の土着微生物に石油分解菌が殆ど含まれていない油汚染土壌の浄化処理も行うことができ、又、上記油汚染土壌に腐葉土を混合することにより水分と栄養分の保持力を高めることができ、砂質土における石油分解菌の活性化を図ることができ、又、上記油汚染土壌に消石灰を混合することにより土壌を粒状化して通気性を高めることができ、石油分解菌の活性化を促進させることができる。
【００１８】
又、浄化処理の均一化を図るため、一回／月程度、耕耘機等により土壌パイルＷの土を耕耘攪拌、いわゆる切り返し工を行うことが望ましい。
【００１９】
【実施例】
【表２】
Figure 2004136224
【００２０】
試料として、砂質土にＡ重油を重量比で２％濃度で混合して人工の油汚染土壌を作り、この試料について、表２に示す試料Ａ、Ｂ及びＣの油汚染土壌の浄化状況をノルマルヘキサン注出物質試験した結果、
【００２１】
【表３】
Figure 2004136224
【００２２】
浄化処理開始後３ヶ月間で試料Ｂにおいては、７０％の油分（ノルマルヘキサン注出物質）が除去され、浄化目標値の０．１％にほぼ達した。
【００２３】
試料Ａ、Ｂにおいては、３ヶ月経過後、在来植物の発生が認められ、現在群生している。油臭は試料Ａ、Ｂについては殆ど無く、試料Ｃについては未だ強い油臭が残っている。
【００２４】
尚、本発明は上記実施の形態例に限られるものではなく、土壌処理場の構造、栄養剤、微生物製剤の種類、空気注入設備、水分補給設備及び温度維持設備の構造、土壌パイルの大きさや長さ等は適宜変更して設計される。
【００２５】
【発明の効果】
本発明は上述の如く、請求項１及び６記載の発明にあっては、土壌処理場において、油汚染土壌に土壌中の石油分解菌の生育及び活性を促す栄養剤を混合して土壌パイルを作り、空気注入設備により土壌パイルの内部に石油分解菌を活性化するために必要な空気を注入し、かつ、水分補給設備により土壌パイルの表面に石油分解菌を活性化するために必要な水分を補給することにより、石油分解菌の働きを活性化させ、この石油分解菌の働きにより油汚染土壌中の油分を分解除去することができ、土壌に染み込んだ油分を分解除去することにより公害の発生や資産価値の低下を回避することができ、かつ、設備費用を低減することができると共に油汚染土壌の浄化処理能力を高めることができる。
【００２６】
又、請求項２及び７記載の発明にあっては、温度維持設備により上記土壌パイルを石油分解菌の活性化に適する温度に維持することができ、油汚染土壌の一層浄化処理能力を高めることができる。
【００２７】
又、請求項３記載の発明にあっては、上記油汚染土壌に微生物製剤を混合することにより油汚染土壌中の土着微生物に石油分解菌が殆ど含まれていない油汚染土壌の浄化処理も行うことができ、又、請求項４記載の発明にあっては、上記油汚染土壌に腐葉土を混合することにより水分と栄養分の保持力を高めることができ、砂質土における石油分解菌の活性化を図ることができ、又、請求項５記載の発明にあっては、油汚染土壌に消石灰を混合することにより土壌を粒状化して通気性を高めることができ、石油分解菌の活性化を促進させることができる。
【００２８】
以上、所期の目的を充分達成することができる。
【図面の簡単な説明】
【図１】本発明の実施の形態例の説明平面図である。
【図２】本発明の実施の形態例の説明断面図である。
【符号の説明】
１　土壌処理場
２　空気注入設備
３　水分補給設備
４　温度維持設備[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an oil-contaminated soil purification method and an apparatus used for decomposing and removing oil that has permeated the soil of a factory site that handles petroleum products.
[0002]
[Prior art]
The problem of redevelopment of the site of a factory that handles this kind of petroleum products is oil that has infiltrated the soil, and this oil can cause pollution and reduce asset value. As an oil removing means, one having a structure in which oil-contaminated soil is incinerated is known.
[0003]
[Problems to be solved by the invention]
However, in the case of the above-mentioned conventional structure, there are disadvantages that expensive incineration equipment is required and it may not be possible to cope with a large amount of oil-contaminated soil.
[0004]
[Means for Solving the Problems]
An object of the present invention is to solve such a problem, and among the present invention, the invention of the method according to claim 1 promotes the growth and activity of petroleum-degrading bacteria in oil-contaminated soil. A nutrient is mixed to form a soil pile, and air necessary for activating the petroleum-degrading bacteria is injected into the soil pile, and moisture necessary for activating the petroleum-degrading bacteria on the surface of the soil pile is formed. Replenishing oil, maintaining the soil pile at a temperature suitable for the activity of petroleum-degrading bacteria, and decomposing and removing oil in oil-contaminated soil by the action of the petroleum-degrading bacteria. It is in.
[0005]
Further, the invention of the method according to claim 2 is characterized in that the soil pile is maintained at a temperature suitable for activating petroleum-degrading bacteria. It is characterized in that a microbial preparation is mixed with the oil-contaminated soil, and the invention of the method according to claim 4 is characterized in that mulch is mixed with the oil-contaminated soil; According to a fifth aspect of the present invention, slaked lime is mixed with the oil-contaminated soil.
[0006]
In addition, the invention of the apparatus according to claim 6 is a soil treatment plant for producing a soil pile by mixing a nutrient for promoting the growth and activity of petroleum-degrading bacteria in the soil with the oil-contaminated soil; An air injection device for injecting air necessary for activating the decomposing bacteria, and a water supply device for supplying water necessary for activating the petroleum decomposing bacteria to the surface of the soil pile are provided. Oil purification soil purification equipment.
[0007]
Further, the invention of the device according to claim 7 is characterized by comprising a temperature maintaining facility for maintaining the soil pile at a temperature suitable for activating petroleum-decomposing bacteria.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
1 and 2 show an embodiment of the present invention. Reference numeral 1 denotes a soil treatment plant, which is constructed, for example, near a factory site to be redeveloped or on a special site. The contaminated soil D is mixed with a nutrient E for promoting the growth and activity of petroleum-degrading bacteria in the soil, and a soil pile (ridge) W is formed from the mixed soil. For example, as shown in FIG. 1, in order to prevent secondary contamination, first, an oil-proof sheet 1a is laid on the ground G, and a trapezoidal shape having a bottom of 1,500 mm, an upper side of 300 mm, and a height of about 600 mm is placed on the oil-proof sheet 1a. A plurality of rows of soil piles W are formed, and an oil barrier B for preventing the spread of pollution is constructed around the soil piles W.
[0009]
As the nutrient E to be mixed into the contaminated soil, for example, ammonia nitrogen 12%, nitrate 13%, phosphorus 7%, and other nutrients such as potassium, calcium, and metals manufactured by Oppenheimer Co., USA are used. .
[0010]
Also, if it is confirmed that the oil-contaminated soil does not contain effective petroleum-degrading bacteria as a result of a tribitary test as a purification adaptability test at the treatment examination stage, a microbial preparation may be added to the oil-contaminated soil, if necessary. S may be mixed, and this microbial preparation is made from a natural microorganism having an oil-decomposing action, and absorbs and digests oil to decompose it into water and carbon dioxide. (Made by Oppenheimer Co., USA).
[0011]
Further, as shown in Table 1 below, when the oil-contaminated soil is sandy soil, for example, about 5% by volume ratio of mulch is mixed with the oil-contaminated soil to increase the retention of water and nutrients. Desirably, when the oil-contaminated soil is cohesive soil, 1-2% by weight of slaked lime is mixed with the oil-contaminated soil, and the soil is granulated to increase the permeability and reduce the oil-degrading bacteria. It is desirable to promote activation.
[0012]
Numeral 2 denotes an air injection facility. In this case, a compressor 2d is operated by a power supply 2b composed of a solar power generation panel 2a and an auxiliary power supply 2c composed of a commercial power supply, and an air injection pipe 2d is inserted and arranged inside the soil pile W. For example, as shown in Table 1, air is sent from the compressor 2d to an air injection pipe 2e made of vinyl chloride having a diameter of about 30 mm, and air is jetted from an injection hole 2f in a pipe wall of the air injection pipe 2e. An amount of air of about 000 liter / m 3 · hr is injected into the soil pile W, and air necessary for activating petroleum-decomposing bacteria is injected.
[0013]
Reference numeral 3 denotes a hydration facility, in which a so-called sprinkler is used, a watering pipe 3a is arranged on the surface of the soil pile W, and watering is performed for about 10 minutes every morning and every night, for example, as shown in Table 1. A water replenishing amount of about 2 to 10 liters / m 3 · day. For example, the petroleum degrading bacteria are activated so that the water content of the soil is maintained at 10 to 15% for sandy soil and 15 to 25% for clayey soil. It is configured to replenish the water required for the conversion.
[0014]
Numeral 4 is a temperature maintenance facility, in which a greenhouse is used, and when the temperature is low in winter or the like, the action of the petroleum-degrading bacteria is reduced, so that the soil pile is suitable for activating the petroleum-degrading bacteria. The temperature is maintained at, for example, 15 ° C. to 40 ° C. as shown in Table 1.
[0015]
[Table 1]
Figure 2004136224
[0016]
Since this embodiment has the above configuration, in the soil treatment plant 1, a nutrient E for promoting the growth and activity of petroleum-degrading bacteria in the soil is mixed with the oil-contaminated soil D to form a soil pile W, and air injection is performed. To inject air necessary for activating the petroleum-degrading bacteria into the inside of the soil pile W by the facility 2, and to activate the petroleum-degrading bacteria on the surface of the soil pile W and / or in the soil by the hydration facility 3. By replenishing the necessary water, the action of petroleum-degrading bacteria can be activated, and the action of the petroleum-degrading bacteria can decompose and remove the oil in the oil-contaminated soil D. Decomposition and removal of oil that has permeated the problem soil can avoid pollution and lower asset value, reduce equipment costs, and increase the purification capacity of oil-contaminated soil. But Kill.
[0017]
Further, in this case, the temperature of the soil pile W can be maintained at a temperature suitable for activating the petroleum-decomposing bacteria by the temperature maintenance equipment 4, so that the purification performance of the oil-contaminated soil can be further improved, and the oil-contaminated soil can be improved. By mixing microbial preparations in the soil, it is possible to purify oil-contaminated soil in which indigenous microorganisms in oil-contaminated soil contain little petroleum-degrading bacteria, and to mix mulch with the oil-contaminated soil. Can increase the retention of water and nutrients, can activate petroleum-degrading bacteria in sandy soil, and mix slaked lime into the oil-contaminated soil to granulate the soil to improve air permeability. And promote the activation of petroleum crackers.
[0018]
In addition, in order to make the purification process uniform, it is desirable to tilling and agitating the soil of the soil pile W using a cultivator once a month, that is, so-called turning work.
[0019]
【Example】
[Table 2]
Figure 2004136224
[0020]
As a sample, an artificial oil-contaminated soil was prepared by mixing heavy oil A at a concentration of 2% by weight with sandy soil, and the purification status of the oil-contaminated soil of Samples A, B and C shown in Table 2 was determined for this sample. As a result of normal hexane injection substance test,
[0021]
[Table 3]
Figure 2004136224
[0022]
Within three months after the start of the purification process, 70% of the oil component (normal hexane discharge substance) was removed from Sample B, and the oil content almost reached 0.1% of the purification target value.
[0023]
In Samples A and B, the occurrence of native plants was observed after three months, and the plants are now colonizing. Samples A and B have almost no oily odor, and sample C still has a strong oily odor.
[0024]
Incidentally, the present invention is not limited to the above embodiment, the structure of the soil treatment plant, nutrients, types of microbial preparations, air injection equipment, hydration equipment and temperature maintenance equipment structure, soil pile size and The length and the like are appropriately changed and designed.
[0025]
【The invention's effect】
As described above, the present invention relates to the invention according to claims 1 and 6, wherein a soil pile is prepared by mixing a nutrient for promoting the growth and activity of petroleum-degrading bacteria in the soil with the oil-contaminated soil in the soil treatment plant. The air required to activate the petroleum-degrading bacteria inside the soil pile by the air injection equipment, and the moisture required to activate the petroleum-degrading bacteria to the surface of the soil pile by the hydration equipment By replenishing oil, the action of petroleum-degrading bacteria can be activated, and the action of oil-degrading bacteria can decompose and remove oil in oil-contaminated soil. It is possible to avoid generation and a decrease in asset value, to reduce equipment costs, and to increase the purification treatment capacity of oil-contaminated soil.
[0026]
According to the invention of claims 2 and 7, the temperature of the soil pile can be maintained at a temperature suitable for activating the petroleum-decomposing bacteria by the temperature maintenance equipment, and the purification capacity of the oil-contaminated soil can be further improved. Can be.
[0027]
Further, in the invention according to claim 3, by mixing a microbial preparation into the oil-contaminated soil, purification treatment of the oil-contaminated soil in which indigenous microorganisms in the oil-contaminated soil contain almost no petroleum-degrading bacteria is also performed. In addition, in the invention according to claim 4, the retention of water and nutrients can be increased by mixing mulch with the oil-contaminated soil, and the activation of petroleum-degrading bacteria in sandy soil can be enhanced. In addition, in the invention according to the fifth aspect, by mixing slaked lime with the oil-contaminated soil, the soil can be granulated to increase the air permeability, and the activation of petroleum-degrading bacteria is promoted. Can be done.
[0028]
As described above, the intended purpose can be sufficiently achieved.
[Brief description of the drawings]
FIG. 1 is an explanatory plan view of an embodiment of the present invention.
FIG. 2 is an explanatory sectional view of an embodiment of the present invention.
[Explanation of symbols]
1 soil treatment plant 2 air injection equipment 3 hydration equipment 4 temperature maintenance equipment

Claims (7)

油汚染土壌に土壌中の石油分解菌の生育及び活性を促す栄養剤を混合して土壌パイルを作り、該土壌パイルの内部に石油分解菌を活性化するために必要な空気を注入すると共に土壌パイルの表面に石油分解菌を活性化するために必要な水分を補給し、かつ、該土壌パイルを石油分解菌の活性に適する温度に維持し、該石油分解菌の働きにより油汚染土壌中の油分を分解除去することを特徴とする油汚染土壌浄化処理方法。A nutrient that promotes the growth and activity of petroleum-degrading bacteria in the soil is mixed with the oil-contaminated soil to form a soil pile, and air necessary for activating the petroleum-degrading bacteria is injected into the soil pile, and The surface of the pile is replenished with water necessary for activating the petroleum-degrading bacteria, and the soil pile is maintained at a temperature suitable for the activity of the petroleum-degrading bacteria. An oil-contaminated soil purification method comprising decomposing and removing oil. 上記土壌パイルを石油分解菌の活性化に適する温度に維持することを特徴とする請求項１記載の油汚染土壌浄化処理方法。The method according to claim 1, wherein the soil pile is maintained at a temperature suitable for activating petroleum-decomposing bacteria. 上記油汚染土壌に微生物製剤を混合することを特徴とする請求項１又は２記載の油汚染土壌浄化処理方法。The method for purifying an oil-contaminated soil according to claim 1 or 2, wherein a microorganism preparation is mixed with the oil-contaminated soil. 上記油汚染土壌に腐葉土を混合することを特徴とする請求項１〜３のいずれか１項に記載の油汚染土壌浄化処理方法。The method according to any one of claims 1 to 3, wherein humus is mixed with the oil-contaminated soil. 上記油汚染土壌に消石灰を混合することを特徴とする１〜３のいずれか１項に記載の油汚染土壌浄化処理方法。4. The method for purifying an oil-contaminated soil according to any one of claims 1 to 3, wherein slaked lime is mixed with the oil-contaminated soil. 油汚染土壌に土壌中の石油分解菌の生育及び活性を促す栄養剤を混合して土壌パイルを作る土壌処理場と、該土壌パイルの内部に石油分解菌を活性化するために必要な空気を注入する空気注入設備と、該土壌パイルの表面に石油分解菌を活性化するために必要な水分を補給する水分補給設備とを備えたことを特徴とする油汚染土壌浄化処理設備。A soil treatment plant that forms a soil pile by mixing a nutrient that promotes the growth and activity of petroleum-degrading bacteria in soil with oil-contaminated soil, and the air required to activate petroleum-degrading bacteria inside the soil pile. An oil-contaminated soil purification treatment facility, comprising: an air injection facility for injecting; and a water replenishment facility for replenishing the surface of the soil pile with water necessary for activating petroleum-decomposing bacteria. 上記土壌パイルを石油分解菌の活性化に適する温度に維持する温度維持設備を備えたことを特徴とする請求項６記載の油汚染土壌浄化処理設備。The oil-contaminated soil purification treatment equipment according to claim 6, further comprising a temperature maintenance equipment for maintaining the soil pile at a temperature suitable for activating petroleum-decomposing bacteria.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103056159A (en) * 2012-11-13 2013-04-24 新疆大学 Assessment method of restoration effect of phenanthrene-polluted soil
JP2016179435A (en) * 2015-03-24 2016-10-13 国立大学法人 琉球大学 Purification facilitation material for oil contaminated soil and purification treatment method using the same
CN117475338A (en) * 2023-12-28 2024-01-30 山东舜捷资源综合利用有限公司 Land reclamation repair process monitoring system based on land management

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103056159A (en) * 2012-11-13 2013-04-24 新疆大学 Assessment method of restoration effect of phenanthrene-polluted soil
JP2016179435A (en) * 2015-03-24 2016-10-13 国立大学法人 琉球大学 Purification facilitation material for oil contaminated soil and purification treatment method using the same
CN117475338A (en) * 2023-12-28 2024-01-30 山东舜捷资源综合利用有限公司 Land reclamation repair process monitoring system based on land management
CN117475338B (en) * 2023-12-28 2024-03-29 山东舜捷资源综合利用有限公司 Land reclamation repair process monitoring system based on land management

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