Method for repairing DDTs contaminated soil by using composite lotion, and application thereof
A technology for polluted soil and compound lotion, applied in the field of environmental chemistry, can solve the problems of limiting the availability of plants and the speed of phytoremediation, unfavorable DDTs absorption and enrichment, unfavorable plant degradation, etc., to reduce the risk of secondary pollution, Eco-environmentally safe and friendly, easily biodegradable effect
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Embodiment 1
[0040] Set the comparative experiment of three different processing methods, the experimental data is detailed in the instructions figure 1 :
[0041] CK: equivalent pollution level, no plants, no synergistic composite lotion samples;
[0042] T1: equivalent pollution level, plant, no synergistic composite lotion sample;
[0043] T2: Samples of a certain amount of increased composite lotion regularly, and the specific experimental steps are shown below.
[0044] DDTS pollution concentration of 2.38 mg / kg of contaminated soil 800g (black soil), after sieving, the soil water content is about 60% of the maximum water in the field;
[0045]Fertilizers are applied to standards 35 mg / kg, phosphorus 25 mg / kg, potassium 30 mg / kg, supplemented a nutrient solution every two weeks, avoiding the possibility of raw stress in the growth process of the root microbial growth to ensure that plants can be in mineral nutrients Growing in a sufficient environment;
[0046] The germination and...
Embodiment 2
[0049] Set the comparative experiment of three different processing methods, the experimental data is detailed in the instructions figure 2 :
[0050] CK: equivalent pollution level, no plants, no synergistic composite lotion samples;
[0051] T1: equivalent pollution level, plant, no synergistic composite lotion sample;
[0052] T2: Samples of a certain amount of increased composite lotion regularly, and the specific experimental steps are shown below.
[0053] Pollution soil (sand) of DDTS pollution concentration is 2.47 mg / kg 800g (sand) After sieving, the soil moisture content is about 60% of the maximum water in the field;
[0054] Fertilizers are applied to standards 35 mg / kg, phosphorus 25 mg / kg, potassium 30 mg / kg, supplemented a nutrient solution every two weeks, avoiding the possibility of raw stress in the growth process of the root microbial growth to ensure that plants can be in mineral nutrients Growing in a sufficient environment;
[0055] The germination an...
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