| 摘要: | 綜觀國內氨基甲酸鹽類農藥製造過程常添加有機性化學物質，所以製程綜合廢水及委外清運廢水中常含有甲苯、甲醇、異丙醇、碳酸鈉及微量毒性物質等有機性化學物質，兩股廢水差異在各種有機性化學物質所含濃度高低不同，而且值得注意的是氨基甲酸鹽類農藥製造廠廢水，大部分都以化學混凝及好氧活性污泥處理方法，其處理成效較不盡理想。本研究利用上流式厭氧污泥床(UASB)串聯活性污泥(AS)模組，實廠處理氨基甲酸鹽農藥廢水，在控制相關操作參數下啟動運轉，探討模組去除COD之成效。
研究利用果糖食品業處理廢水程序中厭氧污泥以及肥皂化工業活性污泥分別馴養，UASB反應器污泥植種開始啟動主要操作參數為，廢水進流流量：4 ml/min、廢水迴流流量：4 ml/min、水力停留時間：150hr、進流廢水COD負荷：507 mg/L、pH：7.2、溫度：26~29℃、MLSS：34,300 mg/L，活性污泥法污泥植種開始啟動主要操作參數為：廢水進流流量：4 ml/min、水力停留時間：150hr、DO：2~3 mg/L、溫度：25~28℃、MLSS：2,280 mg/L。以製程綜合廢水不同COD級距提升進流COD負荷，至8,430 mg/L時，整套模組平均出流水COD值為52 mg/L，COD去除率為99.4%，可維持較佳之COD去除效率，並且符合環保署公告之放流水排放標準100 mg/L以下法規面的要求。依統計實廠廢水排放COD濃度平均範圍值為1,000~8,000 mg/L，由此可以證明此方法有足夠的能力，去處理氨基甲酸鹽農藥製程綜合廢水。
委外清運廢水進流COD負荷範圍為560~2,790 mg/L，整套模組平均出流水COD值為269 mg/L，COD去除率為81%，因無法符合環保署公告之放流水排放標準100 mg/L以下法規面的要求，所以目前只能維持原委外清運方式處理。依統計實廠廢水委外清運COD濃度平均範圍值為50,000~150,000 mg/L，由此可以證明此方法無足夠的能力，去處理氨基甲酸鹽農藥委外清運廢水。
;Looking at the domestic carbamate pesticide manufacturing process often add organic chemicals, Therefore, the outsourcing process wastewater and removal comprehensive wastewater often contain toluene, methanol, isopropyl alcohol, sodium carbonate and trace toxic substances . Two stocks differences wastewater with a variety of organic chemicals contained in the high and low concentration, mostly treated by chemical coagulation and aerobic activated sludge treatment method compared the effectiveness of different treatment ideal. In this study, upflow anaerobic sludge blanket (UASB) in series with activated sludge (AS) module, real carbamate pesticide plant wastewater treatment, start running under the control of the relevant operating parameters, to explore the effectiveness of COD removal of the module.
Research on the use of fructose in food industry wastewater treatment process of anaerobic sludge and chemical sludge soap were domesticated. UASB reactor sludge started planting seed main operating parameters of wastewater into the stream flow: 4 ml / min, the flow of wastewater reflux : 4 ml / min, hydraulic retention time: 150hr, into the flow of wastewater COD load: 507 mg / L, pH: 7.2, temperature: 26 ~ 29 ℃, MLSS: 34,300 mg / L. The activated sludge began planting seed start main operating parameters are: wastewater into the stream flow: 4 ml / min, hydraulic retention time: 150hr, DO: 2 ~ 3 mg / L, temperature: 25 ~ 28 ℃, MLSS: 2,280 mg / L. Integrated with process wastewater from a different level to improve the inflow COD COD load to 8,430 mg / L, the set of modules average effluent COD is 52 mg / L, COD removal efficiency of 99.4% can be maintained for better removal efficiency of COD, and comply with effluent discharge standards EPA announced 100 mg / L or less regulation surface requirements. By statistical real plant wastewater COD concentration average range is 1,000 ~ 8,000 mg / L, this method can prove there is sufficient capacity to handle carbamate pesticide comprehensive process wastewater.
Outsourcing COD removal of wastewater into the stream load range of 560 ~ 2,790 mg / L, the entire module average effluent COD value of 269 mg / L, COD removal efficiency of 81%, due to inability to meet effluent discharge standards EPA announcement 100 mg / L or less face regulatory requirements, so the whole story can only be maintained outside the current removal manner. By outsourcing statistics real plant wastewater COD removal average concentration range is 50,000 ~ 150,000 mg / L, can prove that this method is not sufficient capacity to handle the outsourcing carbamate pesticide waste removal. |
