An in-situ treatment method for farmland dewatering
An in-situ treatment and farmland technology, applied in biological water/sewage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., to achieve the effects of strong environmental adaptability, easy control of the production process, and low cost
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Embodiment 1
[0041] The preparation of embodiment 1 composite flora multilayer immobilization material (1-9)
[0042] figure 2 Shown, a kind of optional complex flora multi-layer immobilization material (1-9), its preparation comprises the following steps:
[0043] Step 1: a. Select the ordinary anaerobic granular sludge (1-1) and the aerobic activated sludge (1-2), mix them uniformly according to the mass ratio of 2:1, and fill them into the upflow anaerobic sludge In the sludge bed reactor (1), transport the culture substrate at the bottom of the reactor, add trace element substances, control the temperature in the upflow anaerobic sludge bed reactor (1) to 30-35°C, and add NaHCO 3 , NaHCO 3 As a carbon source, adjust the pH value between 7.5 and 8.5 at the same time, the hydraulic retention time is 10h, and run stably for 220 days to obtain the anammox granular sludge (1-3); the NH in the culture medium 4 + -N concentration is 50mg / L, NH 4 + -N and NO 2 - -N concentration is pr...
Embodiment 2
[0048] Embodiment 2 In-situ treatment of farmland dewatering
[0049] figure 1 As shown, an optional in-situ treatment method for farmland receding water includes the following steps.
[0050] Step 1: Dosing in situ
[0051] Apply the multi-layer immobilized material (1-9) of the composite flora to the shoreline of farmland receding water, according to 0.5kg / m 2 The proportion is evenly filled at the position of 0.5-2m below the water surface, so that the farmland receding water can naturally seep through the sunny shore zone, and the flow rate of the farmland receding water passing through the flow section is maintained at 0.2-2m / s, and every 3-6 months According to 0.5kg / m 2 Proportionally replenish the multi-layer immobilized material (1-9) of the complex flora once.
[0052] Step 2: Water Quality Monitoring
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