Peat absorbent and method thereof for processing soil polluted by spilled oil
A technology of polluted soil and adsorbent, applied in the restoration of polluted soil, chemical instruments and methods, and other chemical processes, etc., can solve the problems of expanding the scope of pollution, increasing soil toxicity, and major environmental risks, and simplifying treatment and management. procedures, improve the efficiency of pollution remediation, and avoid the effect of volatilization and leakage
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[0038] Embodiment. This example is an industrial test carried out at a test base. The peat sorbents used to treat oil-contaminated soil were:
[0039]1. Select two types of peat from Northeast Biyuan Peat Development Co., Ltd. - grass peat and sphagnum peat, wash with water to remove ash, and dry naturally;
[0040] 2. Then dehydrate and dry the two types of peat after deashing and air-drying respectively. The drying method is vacuum drying at a temperature of 85°C. Two kinds of dry peat with water content, grass peat and sphagnum peat, are selected, and the water content of grass peat is 20 %, the water content of sphagnum peat is 9%;
[0041] 3. Two kinds of peat mixture, grass peat and sphagnum peat, the mixing ratio is: 1:0.8;
[0042] 4. Add 0.75 times of urea to the mixture and mix it, which is the prepared adsorbent.
[0043] The treatment method of oil spill soil pollution using this peat adsorbent for oil spill contaminated soil is:
[0044] The oil-spill-contamin...
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