Geothermal water purification treatment technology
A technology for purification treatment and geothermal water, applied in the field of water treatment, can solve the problems of unstable treatment effect, unqualified treatment water quality, low heat utilization rate, etc., and achieve the effect of avoiding equipment corrosion problems and stable and reliable effluent quality.
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Embodiment 1
[0019] A geothermal water purification treatment process, comprising the following process steps:
[0020] (1) Press the geothermal water by 2m 3 / hh flow into the geothermal water purification system, geothermal water first enters the filter, the upper layer of the filter is activated carbon, the middle layer is natural manganese sand, and the bottom layer is a mixture of cerium trichloride and chitosan with a mass ratio of 1:9 , the activated carbon layer and the natural manganese sand layer mainly adsorb and filter iron ions and manganese ions, and the cerium trichloride and chitosan layers mainly adsorb and filter boron-containing compounds. Backwash, water backwash intensity is 0.5m 3 / min·m 2 , the gas backwash intensity is 5.5m 3 / min·m 2 , backwash lasted 15min;
[0021] (2) Filter the effluent from step (1) through the ultrafiltration membrane module. The ultrafiltration membrane system adopts a tubular inorganic ceramic membrane with a pore size of 0.03 μm and a...
Embodiment 2
[0024] A geothermal water purification treatment process, comprising the following process steps:
[0025] (1) Dilute the geothermal water by 4.5m 3 / h flow into the geothermal water purification system, geothermal water first enters the filter, the upper layer of the filter is activated carbon, the middle layer is natural manganese sand, and the bottom layer is a mixture of cerium trichloride and chitosan with a mass ratio of 1:10 , the activated carbon layer and the natural manganese sand layer mainly adsorb and filter iron ions and manganese ions, and the cerium trichloride and chitosan layers mainly adsorb and filter boron-containing compounds. The design flow rate is 4.5m / h. For backwashing, the water backwashing intensity is 2.5m 3 / min·m 2 , the gas backwash intensity is 7.5m 3 / min·m 2 , backwash lasted 30min;
[0026] (2) Filter the water from step (1) through the ultrafiltration membrane module. The ultrafiltration membrane system adopts a tubular inorganic cera...
Embodiment 3
[0029] A geothermal water purification treatment process, comprising the following process steps:
[0030] (1) Press the geothermal water to 3.5m3 / h flow into the geothermal water purification system, geothermal water first enters the filter, the upper layer of the filter is activated carbon, the middle layer is natural manganese sand, and the bottom layer is a mixture of cerium trichloride and chitosan with a mass ratio of 1:8 , the activated carbon layer and the natural manganese sand layer mainly adsorb and filter iron ions and manganese ions, and the cerium trichloride and chitosan layers mainly adsorb and filter boron-containing compounds. The design flow rate is 2.5m / h. For backwashing, the water backwashing intensity is 2m 3 / min·m 2 , the gas backwash intensity is 7m 3 / min·m 2 , backwash lasted 20min;
[0031] (2) Filter the water from step (1) through the ultrafiltration membrane module. The ultrafiltration membrane system adopts a tubular inorganic ceramic memb...
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