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Composition used for microorganisms

A technology of microorganisms and compositions, applied in the field of compositions for microorganisms

Active Publication Date: 2016-09-14
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such a nutrient source may cause secondary pollution caused by diffusion to parts other than the polluted area when excessive injection is made.

Method used

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  • Composition used for microorganisms
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0033] Examples of the composition for microorganisms of the present invention are shown below. As a preliminary experiment, compositions for microorganisms with different compositions were prepared and their behavior in soil was confirmed. figure 1 The apparatus used in the experiment is shown. For the container 10, an acrylic tube with an inner diameter of 130 mm, a wall thickness of 10 mm, and a length of 500 mm was used. One end is closed with a bottom plate 11 formed with a plurality of through holes. About 3 liters of soil 12 excavated from the aquifer 7 m underground was filled up to a height of 400 mm from the bottom plate 11 .

[0034] 100 cc of the sample 30 of the composition for microorganisms was injected to a point at a depth of 100 mm from the surface of the soil in the container 10 using the syringe pump 14 . Thereafter, it was left to stand for 1 day.

[0035] Next, refer to figure 2 , water 20 is added from above the soil 12 in the container 10, and th...

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Abstract

The invention relates to a composition used for microorganisms. The composition used for the microorganisms, having glycerinum, stearic acid and calcium carbonate, has thixotropy, so that the composition becomes gel when injected to the underground without diffusing into underground water and the like. Thus, the composition is an object expected to have a high slow-releasing potential. However, the expected effect is that the objects existing for a plurality of years may disappear in less than one year. The invention provides the e composition used for the microorganisms, which comprises glycerinum and calcium carbonate instead of fatty acid, has the full slow-releasing potential in practical, and is capable of cleaning soil and organic chlorine compounds in underground water.

Description

technical field [0001] The present invention relates to a composition for microorganisms injected into soil and groundwater to purify soil and groundwater by decomposing organochlorine compounds in soil and groundwater by microorganisms. Background technique [0002] The problem of soil and groundwater contaminated by chemical substances is that not only human beings but also the balance of the biological world as a whole are disrupted. From the viewpoint of environmental protection, some kind of countermeasure is required. In addition, leaving the polluted soil and groundwater untreated limits the range of human activities, and countermeasures are also required from an economic point of view. [0003] Conventionally, various methods have been proposed to purify soil and groundwater contaminated by chemical substances, such as lime method, iron powder method, soil excavation and replacement method, soil wet soil cleaning method, and biodegradation method. Most of the contam...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12N1/00B09C1/10C02F3/34C02F101/36
CPCB09C1/10C02F3/00C12N1/00C02F3/34C02F2101/36
Inventor 安藤卓也清水巧治当田纪贤
Owner PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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