Method and system for bioremediation of contaminated soil using inoculated support spheres
A method used for in situ remediation of contaminated subsurface floor and subsurface water using chemically or biologically reactive sheets. The reactive or busy sheets include one or more chosen compounds capable of recovering, destroying, degrading and immobilizing contaminants in the water or soil. The compounds that will be chosen depends on the contaminants to be treated. The compound might be diatomaceaous earth pellets or other porous materials inoculated with chosen non-pathogenic germs, a zero-valent alloy such as tin, iron, aluminum and zinc, a leachable compound such as sodium percarbonate or a adsorptive compound such as activated carbon and zeolite. The contaminants could be petroleum hydrocarbons, chlorinated hydrocarbons and other toxic chemicals. The sheets have been formed by injecting a slurry of the chosen compound to the subsurface using hydraulic fracturing where the orientation of these fractures is affected by cutting and preparing a bore hole before the injection of the slurry. Also the sheets might be formed by using high velocity jet-assisted fracturing using water, air and other fluids. The jet-assisted fracturing works before or simultaneously with the debut of a slurry of the chosen compound. The sheets could be formed horizontally, vertically and randomly dipping from the flat.
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(a) Field of the Invention
This invention relates the use of selected compounds for treating contaminated water and soil and more particularly, but not by way of restriction, to a method of in situ remediation of subsurface earth and water using chemically or biologicallyreactive or active sheets.
(b) Discussion of Prior Art
Back in U.S. Pat.
No. 5,133,625 into Albergo et al. a system and apparatus utilized for subsurface bioremediation is described. Microorganisms, gases and nutrients are introduced into the ground using a push rod or cylinder connected to a delivery systemon top of their earth. Additionally, U.S. Pat. Nos. 5,263,795 into Corey et al. and 3,094,846 into Peeler, Jr.. Describe in-situ remediation systems for treating sulfide contaminated lands from coal mining operations and the like.
Nos. 4,743,545 to Torobin, 4,987,068 to Trosch et al. and 5,096,814 to Aivasidis et al. clarify different kinds of macroporous and microporous inorganic carriers used with germs. The treated porous material is used fordegradation of municipal sewage and industrial waste.
In U.S. Pat.
Nos. 4,682,550 and 4,807,454 into Joy, a hand-held apparatus, method and technique are disclosed for loosening, aerating and fertilizing plant and plant roots. Additionally, U.S. Pat. No. 4,429,647 into Zinck describes a procedure of looseningsoil using a probe and compressed air. Further, U.S. Pat. Nos. 2,083,153 and 1,814,446 to Irish and 429,994 to Botter describe an older type of gear such as aerating soil and treating the soil with fertilizers etc.. U.S. Pat. No. 5,266,213 teachesthe use of cleaning contaminated water by means of a tank full of iron. U.S. Pat. Nos. 5,132,021 and 5,419,840 teach the usage of iron, manganese and magnesium for treating ground water.
None of the above-mentioned prior art patents especially disclose the exceptional features and method measures of the topic system for in situ remediation of polluted water and soil as explained herein.
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