scholarly journals ELEKTROKOAGULASI MONOPOLAR UNTUK MENYISIHKAN ORGANIK DAN MINYAK LEMAK AIR BUANGAN DOMESTIK (GREY WATER)

Jurnal Dampak ◽  
2017 ◽  
Vol 14 (2) ◽  
pp. 81
Author(s):  
Ansiha Nur ◽  
Agus Jatnika
Keyword(s):  
Waste Water ◽  
Current Density ◽  
Aluminum Electrode ◽  
Domestic Waste ◽  
Grey Water ◽  
Detention Time ◽  
Electrochemical Technology ◽  
Electrocoagulation Process ◽  
Aluminum Electrodes ◽  
Grade 3

Electrocoagulation is an electrochemical technology to treat organic and inorganic wastewater without the use of chemicals so as not to increase the burden of environmental pollution. Electrocoagulation performance is influenced by electrode type, current density and number of electrodes. The purpose of this research is to know the effectiveness of COD and oil grease removal from domestic waste water (grey water) through electrocoagulation process. The experiment was conducted in batch using monopolar electrode configuration, with aluminum electrodes 95,7%. In this research, electric current density 21-104 A/m2, detention time and pH were varied. The optimum condition was obtained at current density of 104 A/m2 for 15 minutes with COD and oil grease removal consecutively are 87.48% and 77.50%. The result of this electrocoagulation process shows COD and oil grease concentration of 15.02 mg/L and 4.20 mg/L are under the standard of Ministry of Environment Decree No. 112 Year 2011 grade 3, to be used for watering plants and flushing the hotel toilet.Keywords: electrocoagulation, aluminum electrode, monopolar, current density, grey waterABSTRAKElektrokoagulasi merupakan teknologi elektrokimia untuk mengolah limbah organik dan anorganik tanpa menggunakanbahan kimia sehingga tidakmenambah bebanpencemaran lingkungan.Kinerja elektrokoagulasi dipengaruhi oleh jenis elektroda,kerapatanarusdan jumlah elektroda.Tujuanpenelitian ini untuk mengetahuiefektifitas penurunan organik (COD) dan minyak lemak dari airbuangan domestik (grey water) melalui proses elektrokoagulasi. Percobaan dilakukan secara batch menggunakan konfigurasi susunan elektroda monopolar, dengan jenis elektrodaberupaplat alumunium 95,7%.Variasi penelitian pada reaktor batch adalah terhadap kerapatan arus listrik21-104 A/m2, waktu detensi dan pH.Kondisi optimum diperoleh pada kerapatan arus 104 A/m2pada menit ke-15 denganpenyisihanCOD dan minyak lemakyaitusebesar 87,48% dan 77,50%. Hasil proses elektrokoagulasiini menunjukkan nilai COD sebesar 15,02 mg/L dan minyak lemak 4,20 mg/Lberada di bawah baku mutu Keputusan Menteri Negara Lingkungan Hidup Nomor 112 Tahun 2011kelas 3, untuk dimanfaatkan untuk penyiraman tanaman dan penggelontoran toilet hotel.Kata kunci: elektrokoagulasi, elektroda aluminium, monopolar, kerapatan arus, grey water

scholarly journals Penyisihan Krom pada Pengolahan Air Limbah Penyamakan Kulit Menggunakan Metode Elektrokoagulasi

2020 ◽  
Vol 5 (4) ◽  
Author(s):  
Lina Hasyyati ◽  
Etih Hartati ◽  
Djaenudin Djaenudin
Keyword(s):  
Waste Water ◽  
Heavy Metal ◽  
Electrical Current ◽  
Experimental Result ◽  
Chromium Removal ◽  
Optimal Conditions ◽  
Production Processes ◽  
Electrocoagulation Process ◽  
Tanning Process ◽  
Aluminum Electrodes

Tanning is the process that converts animal hides and skin into stable and imputrescible products called leather. The production processes in a tanning use chromium sulfat. Chrome metal is a heavy metal that is toxic, so the waste water from the leather tanning process will pollute the environment if it is not treated. In this research, wastewater treatment is used by electrocoagulation method to determine the effect of operating on the chromium removal to obtain optimal conditions. In this study, electrocoagulation experiments were using aluminum electrodes. Electrocoagulation process was carried out in 9 variations with parameters pH, electrical current and time where pH was set at pH 7. Electrical current done on 0.5 A, 1 A, and 1.5 A. Time done in 1 hour, 2 hours and 3 hours. The experiment results were analyzed by comparing the concentration before processing and concentration after processing to obtain efficiency. Based on the experimental result on 9 variations, the variation that has the highest efficiency is at electrical current 1.5 Ampere and time 3 hours. This variation can remove 78.95 % chrome concentration from 245.1 mg/L to 51.6 mg/L.

scholarly journals Optimization and Analysis of Zeolite Augmented Electrocoagulation Process in the Reduction of High-Strength Ammonia in Saline Landfill Leachate

Water ◽  
2020 ◽  
Vol 12 (1) ◽  
pp. 247 ◽  
Author(s):  
Mohd Azhar Abd Hamid ◽  
Hamidi Abdul Aziz ◽  
Mohd Suffian Yusoff ◽  
Sheikh Abdul Rezan
Keyword(s):  
Current Density ◽  
Landfill Leachate ◽  
Treatment Process ◽  
Supporting Electrolyte ◽  
High Strength ◽  
Strong Relationship ◽  
Response Surfaces ◽  
Aluminum Electrode ◽  
Initial Ph ◽  
Electrocoagulation Process

This work examined the behavior of a novel zeolite augmented on the electrocoagulation process (ZAEP) using an aluminum electrode in the removal of high-strength concentration ammonia (3471 mg/L) from landfill leachate which was saline (15.36 ppt) in nature. For this, a response surfaces methodology (RSM) through central composite designs (CCD) was used to optimize the capability of the treatment process. Design-Expert software (version 11.0.3) was used to evaluate the influences of significant variables such as zeolite dosage (100–120 g), current density (540–660 A/m2), electrolysis duration (55–65 min), and initial pH (8–10) as well as the percentage removal of ammonia. It is noted that the maximum reduction of ammonia was up to 71%, which estimated the optimum working conditions for the treatment process as follows: zeolite dosage of 105 g/L, the current density of 600 A/m2, electrolysis duration of 60 min, and pH 8.20. Furthermore, the regression model indicated a strong relationship between the predicted values and the actual experimental results with a high R2 of 0.9871. These results provide evidence of the ability of the ZAEP treatment as a viable alternative in removing high-strength landfill leachate of adequate salinity without the use of any supporting electrolyte.

scholarly journals The influence of electrocoagulation to the reduction of COD, BOD, and TSS of Batik Industry wastewater

2018 ◽  
Vol 2 (2) ◽  
pp. 100-107
Author(s):  
Faida Zuhria ◽  
Sarto Sarto ◽  
Imam Prasetyo
Keyword(s):  
Waste Water ◽  
Negative Impact ◽  
Aluminum Electrode ◽  
Dye Wastewater ◽  
Cod Reduction ◽  
Voltage Variation ◽  
Electrocoagulation Process ◽  
Positive Effect ◽  
Industry Wastewater ◽  
Initial Measurement

Despite of the positive effect of the growth of Batik industry in Yogyakarta to economy, the waste water pollution of dying process of Batik industry has negative impact to environment. Initial measurement of COD, BOD and TSS of waste water resulted from dying process of Batik that implemented Naphtolat and Diazo Salts were exceeded the threshold. Hence, this study implemented electrocoagulation for processing Batik wastewater. The results showed that the range of the electrodes and the voltage are give effect to the reduction in COD, BOD, and TSS in liquid sewage electrocoagulation process in dye wastewater in batik industry "Rara Djonggrang". The optimum electrode range on TSS and BOD reduction in the optimum is  a range of 2 cm with 85.71% of TSS decrease and 7.02% of BOD reduction, while the optimum COD reduction in a range of 4 cm with a decrease of 92.18%. The voltage give effect to decrease in TSS and COD are 15 V, with 85.71% of TSS decrease and 92.18% of COD reduction. The most optimum of BOD value is ​​using voltage variation 10 V and a range of 6 cm. Electrocoagulation process with using aluminum electrode is the most appropriate for treating Diazol Salt sewage.

The Effect of Contact Tank Operation on Bulking Sludge and Biosorption Processes

1991 ◽  
Vol 23 (4-6) ◽  
pp. 857-866 ◽  
Author(s):  
J. H. Rensink ◽  
H. J. G. W. Donker
Keyword(s):  
Waste Water ◽  
Pilot Plant ◽  
Continuous Process ◽  
Decisive Role ◽  
Cod Removal ◽  
Water Mixture ◽  
Domestic Waste ◽  
Detention Time ◽  
Process Operation ◽  
Circular Contact

Pilot plant studies with settled domestic waste water were carried out to study the influence of a contact tank on bulking sludge control. It has been clearly proved that the configuration of the contact tank plays a decisive role in preventing or curing bulking sludge. A rectangular contact tank with a substrate gradient ensured well-settling sludge, while a circular contact tank - completely mixed - was not able to control bulking sludge. Stirring or aerating of the rectangular contact tank did not make a difference in the sludge quality during continuous process operation. Great differences in biosorption and COD-removal were measured between well-settling and poor-settling sludge. A detention time of 30 minutes of the sludge-water mixture in the rectangular tank guaranteed - on the basis of biosorption and COD-removal - a more stable and reliable process for controlling bulking sludge than 10 minutes.

Reuse of Treated Domestic Waste Water in Concrete - A Sustainable Approach

2011 ◽  
Vol 4 (4) ◽  
pp. 182-184 ◽  
Author(s):  
Prof. A.B. More Prof. A.B. More ◽  
◽  
Prof. R. B. Ghodake Prof. R. B. Ghodake ◽  
Himanshu. N. Nimbalkar ◽  
Pritam. P. Chandake ◽  
...  
Keyword(s):  
Waste Water ◽  
Domestic Waste

REVIEWS OF ELECTROCOAGULATION PROCESS ON WASTE WATER TREATMENT TECHNOLOGY

2017 ◽  
Vol 9 (1) ◽  
Author(s):  
Taty Hernaningsih
Keyword(s):  
Waste Water ◽  
Water Treatment ◽  
Removal Efficiency ◽  
Industrial Waste ◽  
Waste Water Treatment ◽  
Treatment Technique ◽  
Industrial Waste Water ◽  
Strong Current ◽  
Current Voltage ◽  
Electrocoagulation Process

Waste water treatment by industry usually uses chemicals that may lead to additional environmental pollution load. On the other hand, water demand increases and environmental regulations regarding waste water disposal requirements that apply more stringent. It is necessary for waste treatment technique that accommodate this requirement. Electrocoagulation process is a technique of wastewater treatment that has been chosen because the technique is environmentally friendly. This paper will review some of the research or application electrocoagulation process which is conducted on industrial waste water. Types of industrial waste water that is to be reviewed include: industries batik, sarongs, textiles, palm oil, slaughterhouses, food, leather tanning, laundry, pulp and paper. Overview reviewed in this research include the waste water treatment process in several processing variations such as: change in time, electricity and kind of electrodes. The results of the research with electrocoagulation process in the industry are the removal efficiency of TSS, COD, BOD5, Chrome, phosphate, surfactants, color turbidity influenced by several factors including time, strong current, voltage, distance and type of electrode and pH. The results of the study with electrocoagulation process in the industry is the removal efficiency of TSS, COD, BOD5, chromium, phosphate, surfactant, turbidity color that are influenced by several factors including time, strong current, voltage, distance and type of electrode and pH. It is hoped the information presented in this article can be a reference for similar research for the improvement of research on the process ektrokoagulasi.Key words: elektrocoagulation, removal eficiency, environmental friendly

scholarly journals Removal of Pb, Cu, Cd, and Zn Present in Aqueous Solution Using Coupled Electrocoagulation-Phytoremediation Treatment

2017 ◽  
Vol 2017 ◽  
pp. 1-11 ◽  
Author(s):  
Francisco Ferniza-García ◽  
Araceli Amaya-Chávez ◽  
Gabriela Roa-Morales ◽  
Carlos E. Barrera-Díaz
Keyword(s):  
Aqueous Solution ◽  
Current Density ◽  
Batch Reactor ◽  
Operating Time ◽  
Typha Latifolia ◽  
Optimal Conditions ◽  
Lead And Zinc ◽  
Parallel Arrangement ◽  
Aluminum Electrodes ◽  
Cadmium Lead

This study presents the results of a coupled electrocoagulation-phytoremediation treatment for the reduction of copper, cadmium, lead, and zinc, present in aqueous solution. The electrocoagulation was carried out in a batch reactor using aluminum electrodes in parallel arrangement; the optimal conditions were current density of 8 mA/cm2 and operating time of 180 minutes. For phytoremediation the macrophytes, Typha latifolia L., were used during seven days of treatment. The results indicated that the coupled treatment reduced metal concentrations by 99.2% Cu, 81.3% Cd, and 99.4% Pb, while Zn increased due to the natural concentrations of the plant used.

scholarly journals Application of Electrocoagulation Process for Dairy Wastewater Treatment

2013 ◽  
Vol 2013 ◽  
pp. 1-8 ◽  
Author(s):  
Edris Bazrafshan ◽  
Hossein Moein ◽  
Ferdos Kord Mostafapour ◽  
Shima Nakhaie
Keyword(s):  
Reaction Time ◽  
Applied Voltage ◽  
Oxygen Demand ◽  
Dairy Wastewater ◽  
Operating Parameters ◽  
Pollution Load ◽  
Reliable Technique ◽  
Electrocoagulation Process ◽  
Aluminum Electrodes ◽  
Industry Wastewater

Dairy industry wastewater is characterized by high biochemical oxygen demand (BOD5), chemical oxygen demand (COD), and other pollution load. The purpose of this study was to investigate the effects of the operating parameters such as applied voltage, number of electrodes, and reaction time on a real dairy wastewater in the electrocoagulation process. For this purpose, aluminum electrodes were used in the presence of potassium chloride as electrolytes. It has been shown that the removal efficiency of COD, BOD5, and TSS increased with increasing the applied voltage and the reaction time. The results indicate that electrocoagulation is efficient and able to achieve 98.84% COD removal, 97.95% BOD5removal, 97.75% TSS removal, and >99.9% bacterial indicators at 60 V during 60 min. The experiments demonstrated the effectiveness of electrocoagulation techniques for the treatment of dairy wastewaters. Finally, the results demonstrated the technical feasibility of electrocoagulation process using aluminum electrodes as a reliable technique for removal of pollutants from dairy wastewaters.

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