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Tuhu Agung Rachmanto
Universitas Pembangunan Nasional "Veteran" Jawa Timur
Chemical Engineering, Chemistry & Bioengineering Engineering Environmental Science Industrial & Manufacturing Engineering Public Health

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Pengaruh Kadar Fenton untuk Menurunkan Parameter COD, TSS, TDS Sampel Lindi di TPA Tuhu Agung Rachmanto; Marco Dwi Laksono
Prosiding ESEC Vol. 3 No. 1 (2022): Seminar Nasional (ESEC) 2022
Publisher : Prosiding ESEC

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Abstract

Leachate waste is water seepage from buried garbage. Leachate water contains organic compounds in the form of hydrocarbons, sulfuric acid, tannic acid, humic acid, gallic acid and contains inorganic compounds in the form of sodium, potassium, magnesium, chlorine, and other heavy metal compounds that have high concentrations, so that they have the characteristics of COD (608.6 mg). /liter), TSS (5280 mg/liter), and TDS (1925 ppm) are high and dangerous for aquatic ecosystems if discharged directly into water bodies. This study aims to determine the efficiency of leachate treatment using a coagulation flocculation reactor and a photofenton reactor. This study used the Jartest method with different concentrations of Fenton's reagent. In the coagulation flocculation pretreatment using AlSO4 coagulant as much as 16 grams/liter which is able to remove COD by 52%, TSS by 70%, TDS by 50%. Furthermore, the water resulting from the coagulation of flocculation is treated by the photofenton method. In the batch system the efficiency of reducing COD, TSS, TDS obtained at the ratio of FeSO4: H2O2 (1:10) within 30 minutes was 30%, 93%, 2%. Then the best results were obtained from the batch system, followed by a continuous system which obtained the final results of the removal of COD, TSS, TDS reductions which were obtained respectively 80%, 45%, 48%. The final results of processing the COD, TSS, TDS parameters using the photofenton method were 29.09 mg/liter, 440 mg/liter, and 336 ppm respectively.
Efektivitas Porositas Biofilter Aerob untuk Mendegradasi Parameter Limbah Cair Rumah Makan dengan Menggunakan Micro Bubble Generator Tuhu Agung Rachmanto; RR. Vira Eryka Kusumaningrum
Prosiding ESEC Vol. 3 No. 1 (2022): Seminar Nasional (ESEC) 2022
Publisher : Prosiding ESEC

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The restaurant business is growing rapidly in big cities these days, increasing demand for people looking for fast and convenient dining service. Wastewater produced by untreated restaurants can cause increased levels of COD, BOD, TSS, and fatty oils in water bodies. In restaurant wastewater treatment that only uses a grease trap, it required. One of the treatments that can be applied to improve the quality of wastewater from restaurant waste processed by grease trap is by using the aerobic biofilter biological treatment process. Aerobic biofilter is a biological treatment that utilizes media as a place for microorganisms to breed and helps to degrade the pollutant load in restaurant waste in the presence of oxygen supply in the treatment. This research uses an aerobic biofilter with variations in the porosity of the media volume and the best residence time to proceed a continuous system. From this study, the optimal results obtained in thebatch system were COD 88,8%, TDS 79,5%, TSS 85,3% with a residence time of 15 days at a volume porosity of 75% bioball media. The percentage of removal in the continuous system works is stable, namely the removal efficiency of COD  88,6%, TDS 77,6%, and TSS 83,6%.
Pengaruh Volume Lalu Lintas dan Faktor Meteorologi terhadap Konsentrasi Karbon Monoksida (CO) di Udara Jalan Bypass Mojokerto Tuhu Agung Rachmanto; Slamet Wahyu Hidayat
Prosiding ESEC Vol. 3 No. 1 (2022): Seminar Nasional (ESEC) 2022
Publisher : Prosiding ESEC

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Abstract

The Mojokerto Bypass Road is an arterial road that connects the surrounding cities. The road is also passed by as access to the exit of the Mojokerto – Surabaya toll road which is busy against the accumulation of motorized vehicles. This can lead to air pollution, one of which is the emission of carbon monoxide (CO) gas. The pollution causes negative effects for the community around Jalan Bypass Mojokerto in the form of shortness of breath and headaches. This study aims to determine how much the content and influence of traffic volume and meteorological factors on air pollution of Carbon Monoxide (CO) on Jalan Bypass Mojokerto There are 4 measurement points and carried out for 4 days. Analysis of the data used to determine the effect of traffic volume and meteorological factors on carbon monoxide concentrations using Simple Linear Regression with the help of Minitab software version 19. The results of the study showed that the highest concentration of carbon monoxide occurred on Thursday with a value of 9619.63 g/m³. Other results also show that the effect of traffic volume on the concentration of carbon monoxide is the greatest compared to meteorological factors, namely with a value of 11.4% and is directly proportional. This can be suppressed by reducing the use of motorized vehicles and periodic testing of motorized vehicles so that they are safe so that they are in accordance with what is determined by the regulations as well as planting trees so that carbon monoxide is easily degraded.
Co-Authors Marco Dwi Laksono RR. Vira Eryka Kusumaningrum Slamet Wahyu Hidayat