Treatment method of treating cadmium contaminated water
A technology of cadmium pollution and process method, applied in biological water/sewage treatment, water/sludge/sewage treatment, water pollutants, etc., can solve the problem of small biomass, difficult to obtain satisfactory restoration effect, poor absorption capacity of heavy metal cadmium, etc. problems, to achieve the effect of developed root system, considerable potential economic benefits, and no secondary pollution
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Embodiment 1
[0024] (1) Cultivate plants of red oyster for leaves. The plant of the foliage red spinach was obtained through seed germination and greenhouse cultivation. The specific conditions are: take peat: vermiculite = 1:1 as the matrix, mix peat and vermiculite evenly according to the ratio of 1:1, and mix in carbendazim for disinfection. Soak the leaves with 70% ethanol for 10 minutes, rinse with tap water three times, then sow in the substrate, spray water, and control the water content of the substrate before emergence at 85% to 90%, so as to facilitate the seeds to germinate as soon as possible; 2 weeks Finally, pour 1 / 4 of Hoagland's nutrient solution, and keep the water content of the substrate at 65% to 80%; after 3 weeks, control the water content of the substrate at about 60% to prevent the seedlings from growing excessively; after 4 weeks, pour 1 / 2 of Hoagland's nutrient solution The water content of the matrix is controlled at about 60%, and it is used after 10 weeks of...
Embodiment 2
[0030] (1) Cultivate Solanum nigrum and Red Vegetable Plants. The Solanum nigrum and the Radix Solanum nigrum plants were obtained through seed germination and greenhouse cultivation. The specific conditions are: take peat: vermiculite = 1:1 as the matrix, mix peat and vermiculite evenly according to the ratio of 1:1, and mix in carbendazim for disinfection. Soak Solanum nigrum and Leafy Carrot seeds in 70% ethanol for 10 minutes, rinse with tap water three times, then sow in the substrate, spray water, control the water content of the substrate before emergence at 85% to 90%, so as to facilitate the seeds to germinate as soon as possible ; After 2 weeks, water 1 / 4 Hoagland nutrient solution, and the water content of the substrate is kept at 65% to 80%; Gram nutrient solution, the water content of the substrate is controlled at about 60%, and it is used after 12 weeks of growth.
[0031] (2) Plant black nightshade and red leafy vegetables in the water to be treated. The pla...
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