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湖南生活水处理设备工业污水处理电解式售后无忧

更新时间:2018-07-25 17:09:59 信息编号:148206193
湖南生活水处理设备工业污水处理电解式售后无忧
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湖南生活水处理设备工业污水处理电解式售后无忧

湖南怀化工业污水处理设备

一、工业清洗废水处理的概念

  清洗废水流入调节池调节水质水量后,由提升泵泵入中和池,加入碱液调节pH,再流入混凝池及助凝池。加入混凝剂和助凝剂后,废水中的重金属离子以及部分胶体类有机物形成絮状体,流入沉淀池进行泥水分离。然后,污泥排入物化污泥池,沉淀池的出水流入中和池调节pH后,经砂滤池和活性碳池后流入回用水池。 

一、高浓有机废水    

  高浓有机废水来自于各除胶、除油、显影、脱膜、绿油工序等,其COD浓度很高,一般达3000-8000mg/L,是一种污染较严重的废水,此类废水单收集后,经隔油沉渣池除去浮油等杂志后,进入调节池调节水质水量,再由废水泵打入酸析池,由pH在线仪控制投加酸液,在酸性条件下,废水中的有机物析出浮于水面,定时清除。酸析后加碱调节pH,然后投加混凝剂,反应后再用气动隔膜泵打入厢式压滤机进行渣水分离。此时,废水中的油墨和悬浮物截留于厢式压滤机内,滤液排出,作进一步处理。   

二、络合铜废水    

络合铜废水来自蚀刻、沉铜、沉银等工序,约占印制线路板生产废水总水量的8%左右。废水中含有高浓度的络合铜、柠檬酸等。络合废水须先破除络合物(铜鳌合物)才能将铜沉淀去除。  络合物的稳定性与溶液的pH有关。在pH2.9-12时,络合铜离子比Cu(OH)2稳定,无法通过调节pH产生Cu(OH)2:沉淀的方法将铜离子去除。但CuS比有机络合铜离子更为稳定,通过投加Na2S可以产生CuS沉淀,从而破坏络合铜离子的平衡,达到去除铜离子的目的。后加入高分子助凝剂进行泥水分离。但是,要使络合物中的铜完全沉淀下来,投加过量的硫化钠。如何控制硫化钠是个非常关键的因素。一方面硫离子对后面的生化处理中微生物的培养有一定的毒害作用,另一方面,硫离子也是出水的控制指标之一。因此过量的Na2S需加FeSO4来去除。  经破络反应沉淀后的络合废水与经预处理的高浓有机废水一起进入后续工序处理。

公司简介:济宁天通水处理设备有限公司位于山东省济宁市。是国内的水处理设备集研发、生产制造及销售于一体的生产厂家,其核心产品以:废水处理站、废水处理工艺、生活水处理设备、废水处理设备、工业废水处理设备、水处理设备、生活废水处理设备、环境废水处理设备等设备为主。面对竞争激烈的市场,我公司秉持“以科技服务未来,以质量求生存”的经营理念,不断加强新产品的开发与创新,使产品有了更广阔的市场,现产品全国,并出口到一部分国家和地区。

联系电话:

联系人:范经理

Industrial sewage treatment equipment in Huaihua, Hunan

First, the concept of industrial cleaning wastewater treatment

After cleaning the wastewater into the regulating pool to adjust the water quality, the lifting pump is pumped into the neutralization pool, and the alkaline solution is added to the pH to flow into the coagulation pool and the coagulant pool. After adding coagulant and coagulant, the heavy metal ions in the wastewater and some colloid organics form floc and flow into the sedimentation tank to separate the mud water. Then, the sludge is discharged into the sludge pool, and the effluent from the sedimentation tank flows into the neutralization pool to adjust the pH and flows into the reused pool after the sand filter and the activated carbon pool.

One, high concentration organic wastewater

High concentration organic wastewater from the removing glue, oil removal, developing, stripping, green process, the high concentration of COD, up to 3000-8000mg/L, is a kind of waste water pollution is serious, the wastewater collected separately, after oil separation sediment pool to remove the oil slick magazine after entering the regulation pool water quality regulation by then, the waste water pump into the acid pool, controlled by the pH online instrument adding acid in acidic condition, the organic matter in wastewater from floating on the water, clear the timing. After acid analysis, the pH is adjusted with alkali, and then coagulant is added. Then the pneumatic diaphragm pump is used to separate the slag water after the reaction. At this time, the ink and suspended matter in the waste water are intercepted in the van filter press, and the filtrate is discharged to make further treatment.

Two, copper complex wastewater

The complex copper wastewater comes from etching, copper sinking, silver sinking and so on, which accounts for about 8% of the total water quantity of printed circuit board production wastewater. The wastewater contains high concentration of complex copper, citric acid and so on. Complex wastewater should be removed first to remove copper precipitation. The stability of the complex is related to the pH of the solution. When pH is 2.9-12, the complexing copper ions are more stable than Cu (OH) 2, and can not produce Cu (OH) 2 by adjusting pH. Copper ions are removed by precipitation. However, CuS is more stable than organic complexed copper ions. By adding Na2S, CuS can precipitate, thereby destroying the balance of complex copper ions and achieving the purpose of removing copper ions. At last, the polymer coagulant was added to the mud water separation. However, in order to precipitate the copper in the complex, an excessive amount of sodium sulfide must be added. How to control sodium sulfide is a very important factor. On the one hand, sulfur ion has certain toxic effects on the cultivation of microorganisms in the later biochemical treatment. On the other hand, sulfur ion is also one of the control indexes of effluent. So an excess of Na2S needs to be removed with FeSO4. The complex wastewater after the precipitation reaction is treated with the pretreated high concentration organic wastewater into the subsequent process.

Company introduction: Jining Tian Tong Shui processing equipment Co., Ltd. is located in Jining, Shandong province. Is a manufacturer of water treatment equipment manufacturing and R & D, sales in one of the domestic, its core products: wastewater treatment plant, wastewater treatment, wastewater treatment facilities, industrial wastewater treatment equipment, water treatment equipment, waste water treatment equipment, water treatment equipment, environmental equipment. In the face of fierce market competition, our company uphold the principle of "science and technology service in the future, to the quality of survival" business philosophy, constantly strengthen the innovation and development of new products, the products have a more broad market, is now the best-selling products, and exported to some countries and regions.

Contact phone:

Contact: Manager fan


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