Ningxia Petrochemical Company strives to improve the reuse efficiency of wastewater, and actively performs the technical transformation of the wastewater reuse device. After the technical renovation of the sewage reuse device entered normal stable operation on February 25 this year, as of April 27, it will recycle 100,000 tons of wastewater.
The Ningxia petrochemical wastewater reuse plant was completed and put into use in July 2008, but the original design was mainly aimed at recycling industrial wastewater. In order to continuously improve the efficiency of the comprehensive utilization of water resources, Ningxia Petrochemical has been strengthening the management of water conservation and at the same time, it has put the maximization of waste water recycling on an important agenda, and decided to integrate domestic waste water pipelines into wastewater reuse plants to implement simultaneous recycling of domestic wastewater. . The composition of domestic waste water and industrial waste water is not the same, and in particular, the COD content of domestic waste water is greatly increased. As a result, the walnut shell filter of the waste water reuse device is often clogged, and the device cannot operate normally. In response, Ningxia Petrochemical actively carried out thematic research, and after a lot of research and analysis, it creatively replaced the walnut shell filter material of the walnut shell filter with quartz sand filter material, which solved the crux of problems that had long plagued the device. At the same time, technological transformation of the biochemical devices of the pretreatment system of the sewage reuse device was carried out to improve the pretreatment capacity.
After the implementation of technological transformation, Ningxia Petrochemical strengthened its operation management, optimized its process flow, and steadily improved its operating efficiency. At present, the recovery efficiency of Ningxia petrochemical wastewater reuse plant reaches 140 tons per hour, and the wastewater discharged from the effluent is reused effectively. It is estimated that 800,000 tons of water can be saved in the whole year, and the effect is 1.2 million yuan.
The Ningxia petrochemical wastewater reuse plant was completed and put into use in July 2008, but the original design was mainly aimed at recycling industrial wastewater. In order to continuously improve the efficiency of the comprehensive utilization of water resources, Ningxia Petrochemical has been strengthening the management of water conservation and at the same time, it has put the maximization of waste water recycling on an important agenda, and decided to integrate domestic waste water pipelines into wastewater reuse plants to implement simultaneous recycling of domestic wastewater. . The composition of domestic waste water and industrial waste water is not the same, and in particular, the COD content of domestic waste water is greatly increased. As a result, the walnut shell filter of the waste water reuse device is often clogged, and the device cannot operate normally. In response, Ningxia Petrochemical actively carried out thematic research, and after a lot of research and analysis, it creatively replaced the walnut shell filter material of the walnut shell filter with quartz sand filter material, which solved the crux of problems that had long plagued the device. At the same time, technological transformation of the biochemical devices of the pretreatment system of the sewage reuse device was carried out to improve the pretreatment capacity.
After the implementation of technological transformation, Ningxia Petrochemical strengthened its operation management, optimized its process flow, and steadily improved its operating efficiency. At present, the recovery efficiency of Ningxia petrochemical wastewater reuse plant reaches 140 tons per hour, and the wastewater discharged from the effluent is reused effectively. It is estimated that 800,000 tons of water can be saved in the whole year, and the effect is 1.2 million yuan.
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