Ecological safety type natural permeable reactive barrier medium and preparation method thereof
A reaction grid, ecological safety technology, applied in chemical instruments and methods, biological water/sewage treatment, water/sludge/sewage treatment, etc. problems such as poor effect, to achieve the effect of improving ecological security, good ecological security, and no secondary pollution
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Embodiment 1
[0025] Volcanic slag: particle size 0.1mm ~ 1mm, 10 parts;
[0026] Peat soil: particle size 0.1mm~0.6mm, the peat soil is modified by heat treatment, that is, heated at 130°C for 1 hour, 20 parts;
[0027] Attapulgite: particle size 0.1mm-0.6mm, the attapulgite is modified by heat treatment, that is, heated at 130°C for 2 hours, 30 parts.
[0028] At 10°C, the action time is 0.5h. The effect of purifying total petroleum hydrocarbons is more than 90%.
Embodiment 2
[0030] Volcanic slag: particle size 1mm ~ 3mm, 15 parts;
[0031] Peat soil: particle size 0.6mm~1.2mm, the peat soil is modified by heat treatment, that is, heated at 128°C for 3 hours, 6 parts;
[0032] Attapulgite: particle size 0.6mm-1.2mm, the attapulgite is modified by heat treatment, that is, heated at 128°C for 2 hours, 9 parts.
[0033] At 10°C, the action time is 0.5h. The total petroleum hydrocarbon effect is more than 90%.
Embodiment 3
[0035] Volcanic slag: particle size 3mm ~ 5mm, 15 parts;
[0036] Peat soil: particle size 1.2mm~2mm, the peat soil is modified by heat treatment, that is, heated at 130±2°C for 1 to 3 hours, 3 parts;
[0037] Attapulgite: particle size 1.2mm-2mm, the attapulgite is modified by heat treatment, that is, heated at 130±2°C for 1 to 3 hours, 6 parts.
[0038] The action time is 0.5h. The total petroleum hydrocarbon effect is more than 90%.
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