Zero-discharge treatment process for pickle wastewater
A treatment process and zero discharge technology, which is applied in the field of pickle wastewater zero discharge treatment process, can solve problems such as inability to desalinate, achieve the effects of reducing investment and operating costs, facilitating recycling, and good water quality
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Embodiment 1
[0025] A zero-discharge treatment process for kimchi wastewater, comprising the following steps:
[0026] (1) Cleaning wastewater grid adjustment: The cleaning wastewater is treated with grids to remove a large amount of suspended solids in the kimchi wastewater, and then enters the adjustment tank for water quality and water volume adjustment; at the same time, the condensate and mother liquor produced by the subsequent MVR system enter the adjustment tank, biochemical treatment.
[0027] (2) Anaerobic: The wastewater from the regulating tank enters the anaerobic tank, where most of the COD is removed by anaerobic bacteria, and at the same time, the macromolecular COD is degraded into small molecular COD, which is beneficial to the subsequent biochemical treatment.
[0028] (3) AO aerobic pool: use aerobic bacteria, digestive bacteria and denitrifying bacteria to remove COD and ammonia nitrogen in the aerobic pool;
[0029] (4) MBR membrane tank: MBR ultrafiltration membrane...
Embodiment 2
[0037] A zero-discharge treatment process for kimchi wastewater, comprising the following steps:
[0038] (1) Cleaning wastewater grid adjustment: The cleaning wastewater is treated with grids to remove a large amount of suspended solids in the kimchi wastewater, and then enters the adjustment tank for water quality and water volume adjustment; at the same time, the condensate and mother liquor produced by the subsequent MVR system enter the adjustment tank, biochemical treatment.
[0039] (2) Anaerobic: The wastewater from the regulating tank enters the anaerobic tank, where most of the COD is removed by anaerobic bacteria, and at the same time, the macromolecular COD is degraded into small molecular COD, which is beneficial to the subsequent biochemical treatment.
[0040] (3) AO aerobic pool: use aerobic bacteria, digestive bacteria and denitrifying bacteria to remove COD and ammonia nitrogen in the aerobic pool;
[0041] (4) MBR membrane tank: MBR ultrafiltration membrane...
Embodiment 3
[0049] A zero-discharge treatment process for kimchi wastewater, comprising the following steps:
[0050] (1) Cleaning wastewater grid adjustment: The cleaning wastewater is treated with grids to remove a large amount of suspended solids in the kimchi wastewater, and then enters the adjustment tank for water quality and water volume adjustment; at the same time, the condensate and mother liquor produced by the subsequent MVR system enter the adjustment tank, biochemical treatment.
[0051] (2) Anaerobic: The wastewater from the regulating tank enters the anaerobic tank, where most of the COD is removed by anaerobic bacteria, and at the same time, the macromolecular COD is degraded into small molecular COD, which is beneficial to the subsequent biochemical treatment.
[0052] (3) AO aerobic pool: use aerobic bacteria, digestive bacteria and denitrifying bacteria to remove COD and ammonia nitrogen in the aerobic pool;
[0053] (4) MBR membrane tank: MBR ultrafiltration membrane...
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