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All Journal Jurnal Ilmiah Wahana Pendidikan Envirous Environmental Science and Engineering Conference Proceeding Jurnal Sains dan Teknologi Envirotek : Jurnal Ilmiah Teknik Lingkungan Jurnal Teknik Mesin, Industri, Elektro dan Informatika Jurnal Kendali Teknik dan Sains Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan Serambi Engineering Konstruksi: Publikasi Ilmu Teknik, Perencanaan Tata Ruang dan Teknik Sipil Venus: Jurnal Publikasi Rumpun Ilmu Teknik

Tuhu Agung Rachmanto

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Author-ID : 4207999

Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Dentistry Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Veterinary Other

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PENINGKATAN EFEKTIVITAS ELEKTROKOAGULASI DAN FOTOKATALIS PADA PROSES DEGRADASI LIMBAH BATIK angger sulistya; Tuhu Agung Rachmanto
EnviroUS Vol. 1 No. 1 (2020): Jurnal Envirous
Publisher : Universitas Pembangunan Nasional "Veteran" Jawa Timur

Waste water from the batik industry process used the composition of naphthol generally contained organic pollutants that difficult to decomposed. This study discussed the efficiency treatment of batik industri waste water a combination of electrolyte and AOP approved methods in the electrocoagulation and photocatalyst process based on current density, electrolyte coordination and H2O2 composition. The parameters discussed include COD, TSS, color, TDS and pH. In a batch process conducted with 5 liters of water that fixed by current density (A/cm2) and NaCl electrolyte (gr/L) in electrocoagulation and 30% H2O2 concentration (mg/L) were determined as photocatalytic variables. In addition to batches, this study also carried out continuous experiments with the best variables from the batch process. Efficiency of the percentage reduction in COD, TSS, color, TDS and pH used electrocoagulation and photocatalyst were 87.8%, 84.01%, 94.07%, 32.9% and pH respectively 7,3 at a contact time of 120 minutes.

KOMBINASI CASCADE AERATOR DAN ADSORBSI ZEOLITE DALAM MENURUNKAN KADAR Fe TERLARUT DI AIR SUMUR Tuhu Agung Rachmanto; Farhan Septiari Wibisono
EnviroUS Vol. 2 No. 1 (2021)
Publisher : Universitas Pembangunan Nasional "Veteran" Jawa Timur

The problem that is often found in well water is the high content of iron (Fe). This study aims to reduce the content of Fe in water well with aeration and adsorbtion systems. Aeration used is a cascade aerator using two wide variety of cascade which the height of each steps are 20 cm. zeolite sand with a diameter 8 mesh.. The sample was taken at one of the community wells in the Sukodino area of Sidoarjo. The study was conducted for three days with a processed sampling system carried out on the aerator output and both adsorbtion. The results showed that the aeration process with cascade aerator was able to reduce Fe levels up to 61,93 % and 74.58%. While the adsorbtion process with zeolite media can reduce Fe levels by 86,12% and 96.81%.

DEGRADASI LIMBAH TAHU DENGAN KOAGULASI FLOKULASI ALUMUNIUM SULFAT DAN FOTOKATALIS TIO2 DALAM TANGKI BERPENGADUK Tuhu Agung Rachmanto; Egi Pebritama
EnviroUS Vol. 2 No. 1 (2021)
Publisher : Universitas Pembangunan Nasional "Veteran" Jawa Timur

The tofu Industries was established for food industries who has a positive and negative impacts for environment. Negative effect from tofu industries was a waste that caused impact for environment. Environment pollutions appears from a solid waste (tofu residue) and waste water. Most of all waste water who caused from tofu industries is a thick liquid separated from tofu blocks called “whey”. Waste from tofu industries had a high organic content such as COD and TSS. In this research, several method were used for reduce the organic content. Coagulation with Aluminium sulfate (Al2(SO4)3, could reduce a Chemical Oxygen Demand (COD) content until 50,3% and Total Suspended Solid (TSS) until 81% with doze of coagulant 1000 mg/l. Fotocatalyst TiO2 could reduce Chemical Oxygen Demand (COD) 50% with an exposure time 150 minutes.

INTEGRATED RISK BASED APPROACH ( INTEGRATED RISK BASED APPROACH (IRBA) DAN PERENCANAAN KEBERLANJUTAN TEMPAT PEMROSESAN AKHIR (TPA) GEDANGKARET KABUPATEN JOMBANG Tuhu Agung Rachmanto; muhammad chumaidy maimun abdillah ainani jundah
EnviroUS Vol. 2 No. 1 (2021)
Publisher : Universitas Pembangunan Nasional "Veteran" Jawa Timur

Nowadays, the Gedangkaret landfill in Jombang, has one of the supporting facilities are not managed properly, such as ditches and pools channel leachate was buried with much of garbage, clogged, and it is no longer maintained. The leachate pool behind the landfill was only functions to accommodate leachate without any further management processes. Both systems use a barrier layer of leachate, leachate channels, and soil as a cover of a pile of garbage, and at each end of the operation of garbage covered with soil to minimize impacts on public health. In planning the rehabilitation of the Gedangkaret landfill in Jombang this time, held evaluating the feasibility of the landfill with Integrated Risk Based Approach method (IRBA), which refers to the regulation of the Minister of Public Works and Public Housing (PUPR) of the Republic of Indonesia Number 3 in 2013 annex V. With a land area of 8.7 hectares, the Gedangkaret landfill is currently still being operated using the controlled landfill method, where the filling is carried out when the cells are full or the land used for filling is available. Some parts of the landfill also have been filled by using overburden. Gas management is carried out by flaring the landfill’s methane gas. Landfill leachate management is done by using stabilization ponds. The result of quantitative analysis using the risk index assessment method shows that the risk index value of the Gedangkaret Landfill in the overall aspects is 538.48. Broadly speaking, the rehabilitation activities carried out from the results of the risk index assessment are in the form of groundwater contamination (planning of basement system and stockpile zone cover to minimize the potential for leachate to infiltrate into the ground), future use (planning of new stockpiling zones and temporary stockpile zones), existing landfills (slope stabilization of the dumping zone and planning of the embankment zone), air pollution (planning for gas management and landfill buffer zones), leachate production (planning for leachate pipeline construction and management using leachate treatment plant).

PENGELOLAAN LIMBAH CAIR JASA PENCUCIAN KENDARAAN DENGAN METODE ELEKTROKOAGULASI Tuhu Agung Rachmanto; Elcyber Alqadri Andili
EnviroUS Vol. 2 No. 1 (2021)
Publisher : Universitas Pembangunan Nasional "Veteran" Jawa Timur

Vehicle washing service generally does not have a waste treatment system to handle liquid waste generated from the washing process. There are several methods of waste treatment that are efficient. One of them is the electrocoagulation process which is a water treatment technology using an electrochemical process where the anode will release active coagulants in the form of ions into the wastewater solution to form flocs that are able to bind contaminants and particles in the waste. This study aims to reduce the concentration of TSS in washing wastewater. motorized vehicles and to find out changes in pH naturally with independent variables, namely changes in time, changes in voltage and types of electrodes using the electrocoagulation method. The research was carried out in batches using Aluminum (AI) and Iron (Fe) plates as electrodes with time variations of 30, 60, 90, 120 minutes and voltage variations of 3, 6, 9, 12 Volts. The parameters measured were TSS and pH. the results of the study obtained optimal results for the efficiency of TSS removal with aluminum (AI) electrodes of 93.15% from 253 mg/l to 57.25 mg/l with a voltage of 12 volts with a sampling time of 120 minutes. Keywords: Vehicle Washing Waste, Electrocoagulation, TSS

LIFE CYCLE ASSESSMENT (LCA) SEBAGAI METODE KAJIAN DAMPAK LINGKUNGAN PROSES PENGOLAHAN AIR BERSIH DI INSTALASI PENGOLAHAN AIR (IPA) SIWALANPANJI Tuhu Agung Rachmanto; Aulia Ulfah Farahdiba; Geafiata Amalia Nurbaiti
EnviroUS Vol. 2 No. 2 (2022)
Publisher : Universitas Pembangunan Nasional "Veteran" Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/envirous.v2i2.102

The Siwalanpanji Water Treatment Plant with conventional and non-conventional processing has an impact on the environment due to the water treatment process. This study aims to identify potential impacts on the environment, analyze factors causing environmental impacts that arise, and provide recommendations for environmental impact management as an alternative plan for appropriate and environmentally friendly improvements using Life Cycle Assessment (LCA) which will be analyzed through Simapro software. LCA is an approach method used to identify and analyze environmental impacts resulting from all stages of the product life cycle so that it will be known which parts have the greatest impact on the environment. The three highest impacts that arise from the Impact 2002+ method are Respiratory inorganics, Global Warming, and Non-Renewable Energy. Factors causing these impacts come from the use of electricity and the provision of chemicals in the form of coagulants and disinfectants. Alternative improvements that can be given to reduce the impact that occurs include increasing equipment efficiency and substitution of Poly Aluminum Chloride coagulant with Aluminum Sulfate.

ANALISIS PENERAPAN SISTEM MANAJEMEN KESELAMATAN DAN KESEHATAN KERJA (SMK3) DIPO LOKOMOTIF SIDOTOPO SURABAYA BERDASARKAN ISO 45001:2018 MENGGUNAKAN METODE FAILURE MODE EFFECT ANALYSIS (FMEA) Tuhu Agung Rachmanto; Lintang Putri Rafsanjani
EnviroUS Vol. 2 No. 2 (2022)
Publisher : Universitas Pembangunan Nasional "Veteran" Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/envirous.v2i2.106

Dipo Locomotive Sidotopo Surabaya is a place to maintainance and inspection of locomotives to pull a series of trains. In order to protect its workers, this company tries to make SMK3 the main focus of the company to create a safe working atmosphere and prevent occupational diseases. This study aims to determine the application of SMK3 and the failure factors that occur in the locomotive repair process using the FMEA method. The failure factors are given an assessment of severity, occurrence, and detection. The three assessments are then calculated with the RP) to reduce which risk has the highest level of potential. Based on research that has been carried out, the identification of hazards that have the highest risk are electric shock, interacting with high-temperature pipes, being exposed to oil splashes, releasing hazardous gases and interacting with flammable materials.

Co-Authors angger sulistya Aulia Ulfah Farahdiba Dzaky, Muhammad Luqman Egi Pebritama Elcyber Alqadri Andili Esha adiba Farhan Septiari Wibisono Geafiata Amalia Nurbaiti Ivan Ardiansyah Juan Vincent Elfonda Lintang Putri Rafsanjani M. Miftahul Huda M.Yureico Soobirumbassa U.K Yureico muhammad chumaidy maimun abdillah ainani jundah Muhammad Dani Dhaifullah Muhammad Dani Dhaifullah Muhammad Fairuz Akmal Muhammad Fairuz Akmal Namira Namira Naufal Syarif Ardyanto Naura Nisrine Hidayatullah Naurah Thifal Safitri Ni Putu Devina Putri Maharani Nurilita Amalia Cahyani Nurilita Amalia Cahyani Pranandito Wisnu Prabowo Rafif Permata Dwidewitra Ramadhani, Audyna Ayu Rizky Maulida Annisafitri Sophia Alvin Nurina Umi Hafilda Salamah Vidia Wahyu Meidy Safitri Vikhory Bagus Wahyu Nugroho Yulia Masladen Yuni Imroatul Mufida

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