Method for treating methanol protein comprehensive wastewater
A methanol protein and treatment method technology, applied in the field of wastewater treatment, can solve the problems of substandard wastewater treatment, inability to realize recycling, and low efficiency of equipment use, and achieve the effect of realizing resource recycling, reducing investment, and improving production efficiency
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Embodiment 1
[0016] (1) Treat the washing wastewater A produced in the methanol protein production process at 18-30°C, feed rate 20T / h, centrifugal force 13000-18000× g Under the conditions of centrifugation, heavy phase sediment C and light phase liquid D were obtained respectively;
[0017] (2) Concentrate the light phase liquid D obtained in step (1) by ultrafiltration to 1 / 5 of the volume of the light phase liquid D under the conditions of 18-30°C, flow rate 2T / h, and feed pressure 0.4-0.6Mpa, and separate Obtain concentrated liquid E and clear liquid F;
[0018] (3) Mixing the heavy phase sediment C obtained in step (1) and the concentrate E obtained in step (2) as raw materials for making organic fertilizer;
[0019] (4) Combine the supernatant F obtained in step (2) and the wastewater B produced during the post-treatment process of methanol protein extraction, perform reverse osmosis treatment at 18-30°C and a working pressure of 0.6-0.9MPa, and concentrate to 1 / 3 of the total vol...
Embodiment 2
[0021] (1) Transport the washing wastewater A produced in the methanol protein production process to the GEA disc high-speed centrifuge, at 18-30°C, with a feed rate of 20T / h, and a centrifugal force of 13000-18000× g Under the conditions of centrifugation, heavy phase sediment C and light phase liquid D were obtained respectively;
[0022] (2) Transfer the light phase liquid D obtained in step (1) to a 1000 molecular weight ultrafiltration system, and concentrate it into a light phase liquid by ultrafiltration under the conditions of 18-30°C, flow rate 2T / h, and feed pressure 0.4-0.6Mpa 1 / 5 of the volume of D, separated to obtain concentrate E and supernatant F; the described 1000 molecular weight ultrafiltration system is a prior art, such as the 1000 molecular weight ultrafiltration system produced by Luoyang Yangming Water Treatment Co., Ltd. SA-UF-9-225 Molecular weight ultrafiltration system;
[0023] (3) Mixing the heavy phase sediment C obtained in step (1) and the co...
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