Electrocoagulation process coupled with sonication is a type of advance oxidation process (AOP) to treat different type of waste waters. Biodigester effluent (BDE) generated from distillery industry contains very high chemical oxygen demand (COD=5500 mg/dm³) with high color (510 PCU) appearance. Organics reduction of biodigester effluent (BDE) in term of chemical oxygen demand (COD) and color have been investigated in a batch sono-electrocoagulation reactor with different electrode combinations such as Fe-Fe, Al-Al, Fe-Al, and Al-Fe at ultrasound frequency of 40 kHz. The impact of different operating parameters such as electrolyte concentration, electrode combination, pH and current density (CD) on COD and color removal are evaluated. The electrode combination of Fe-Fe has provided better results in sono-electrocoagulation process as compared to sonication and electrocoagulation alone. The maximum COD and color reduction efficiency of 99.1 % and 61.6 % was found at the electrode combination of Fe/Fe, CD 69.44 A/m², pH 8, NaCl concentration 5 mg/dm³, and process time of 125 min. On the other hand the maximum COD and color removal efficiency of 98.3 % and 58.1 % was observed with the electrode combination of Al-Al at same operating conditions as described for Fe. Finally, sludge analysis and cost optimization are also incorporated in this article. It is found that at optimum condition (electrode combination of Fe/Fe, CD 69.44 A/m², pH 8, NaCl concentration 5 mg/dm³, and process time of 125 min) the operating cost of the process is 1.39 $/m³. Sludge obtained after the treatment process contains anodic material (0.07 kg iron for the treatment 1 m³ of BDE) and also sludge had good heating value (5.5 MJ/kg). This work demonstrated that sono-electrocoagulation process is well applicable to treat BDE.

电凝过程与超声处理是一种用于处理不同类型废水的高级氧化过程（AOP）。酿酒厂产生的生物消化废水（BDE）含有很高的化学需氧量（COD = 5500 mg / dm ³），并具有高色彩（510 PCU）外观。在具有不同电极组合（例如Fe-Fe，Al-Al，Fe-Al和Al-铁的超声频率为40 kHz。评估了不同操作参数（例如电解质浓度，电极组合，pH和电流密度（CD））对COD和脱色的影响。与单独的超声和电凝相比，Fe-Fe的电极组合在声电凝过程中提供了更好的结果。在Fe / Fe，CD 69.44 A / m ²，pH 8，NaCl浓度5 mg / dm ³的电极组合下，发现最大的COD和减色效率分别为99.1％和61.6％。，处理时间为125分钟。另一方面，在与Fe相同的操作条件下，使用Al-Al的电极组合可观察到最大COD和除色效率分别为98.3％和58.1％。最后，本文还结合了污泥分析和成本优化。发现在最佳条件下（Fe / Fe，CD 69.44 A / m ^2的电极组合，pH 8，NaCl浓度为5 mg / dm ³，处理时间为125分钟），该方法的运行成本为1.39 $ / m ³。处理后获得的污泥包含阳极物质（0.07千克铁用于处理1 m ³BDE）和污泥具有良好的发热量（5.5 MJ / kg）。这项工作表明，声电凝法非常适用于治疗BDE。