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All Journal Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Journal of Advanced Civil and Environmental Engineering Jurnal Purifikasi Al-Ard: Jurnal Teknik Lingkungan Jurnal EnviScience (Environment Science) Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Nusantara Science and Technology Proceedings Jurnal Komposit : Jurnal Ilmu-Ilmu Teknik Sipil International Journal of Eco-Innovation in Science and Engineering (IJEISE) Envirous Environmental Science and Engineering Conference Proceeding AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Jurnal Pengbdian Teknik Mesin Biomedical and Mechanical Engineering Journal Jurnal Sains dan Teknologi Envirotek : Jurnal Ilmiah Teknik Lingkungan Environmental Engineering Journal ITATS Populer: Jurnal Penelitian Mahasiswa Jurnal Wilayah, Kota dan Lingkungan Berkelanjutan Antigen: Jurnal Kesehatan Masyarakat dan Ilmu Gizi Journal Serambi Engineering (JSE) Venus: Jurnal Publikasi Rumpun Ilmu Teknik Environation (Environmental Engineering Journal of Community Dedication) Jati Emas (Jurnal Aplikasi Teknik dan Pengabdian Masyarakat)
Restu Hikmah Ayu Murti
Department Of Environmental Engineering, Faculty Of Engineering, Universitas Pembangunan Nasional “Veteran” Jawa Timur, Surabaya 60294, Indonesia
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Analisis Dampak Lingkungan Proses Pengolahan Air Limbah Bandar Udara X Menggunakan Metode Life Cycle Assesment Gita Gempita Nugroho; Restu Hikmah Ayu Murti
JURNAL WILAYAH, KOTA DAN LINGKUNGAN BERKELANJUTAN Vol. 3 No. 1 (2024): JURNAL WILAYAH, KOTA DAN LINGKUNGAN BERKELANJUTAN
Publisher : Fakultas Teknik Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58169/jwikal.v3i1.390

Abstract

As a company engaged in transportation services, the airport located in East Java Province produces liquid waste with a quite large discharge in a day, which is 1120 m3. To treat the wastewater, the company has a Sewage Treatment Plant (STP) to adjust its quality standards before being discharged into the river. Every WWTP has the potential to cause environmental impact, both from the processing process and from the operation supporting tools. This study aims to analyze the three largest environmental impacts resulting from wastewater treatment activities at the airport in East Java, which are the impacts of Aquatic Ecotoxicity, Non-Renewable, and Ionizing Radiation. In addition, the author also provides recommendations for alternative STP operations that are more environmentally friendly. The approach used is the Life Cycle Assessment method using the OpenLCA application with the IMPACT 2002+ method.
Comparison of DAF Pretreatment between Static Mixer and Impeller Mixer for Oil and Grease Reduction Novembrianto , Rizka; Rosariawari, Firra; Cahyonugroho, Okik Hendriyanto; Nisa', Syadzadhiya Qothrunada Zakiyayasin; Sitogasa, Praditya Sigit Ardisty; Murti, Restu Hikmah Ayu
Nusantara Science and Technology Proceedings 8th International Seminar of Research Month 2023
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2024.4107

Abstract

The problem of domestic wastewater originating from restaurants is the largest contributor to organic wastewater in urban waters. Among them are waste water parameters, namely oil, and grease. Oils and grease are compounds that do not dissolve easily in water. However, it can be dissolved with non-polar organic solvents. The carbon chains of oils and grease are also long. So, it is difficult to decompose and takes a long time if processing uses the help of microorganisms. So, the alternative is to use physical-chemical processing. In this research, we tried using a static mixer and an impeller mixer. We conducted a systematic review of DAF techniques in wastewater treatment. We reviewed six indexed databases namely dissolved air flotation, microbubbles, wastewater treatment, and key operational and design parameters involved in the effectiveness of the flotation process. In this pre-treatment, the focus is on the withdrawal/discharge speed in collecting wastewater as a test and the effectiveness of mixing wastewater with coagulants and air pressure. These three aspects are used in equilibrium to achieve the optimum dose for the static mixer use scheme. Meanwhile, the impeller mixer scheme uses rotational speed in mixing with the coagulant, contact time, and Reynolds number to achieve the required turbulence. Apart from that, the use of electrical energy in the pump is also calculated in these two schemes. The results obtained were the amount of weight of oil and grease collected in the static mixer pretreatment of 9.12% w/v and the impeller mixer of 7.63% w/v and the results of the organic content of the Chemical Oxygen Demand (COD) parameter for the static mixer were 86.92 % and mixer impeller 78.86 %. From these results, static mixers have advantages over using impeller mixers in terms of the effectiveness of the oil and grease reduction process.
Analysis of Sulfur Dioxide (SO2) Exhaust Gas Emission Distribution Patterns from Airport’s Incinerators in East Java Adhi Pamungkas, Kresna Setyawan; Restu Hikmah Ayu Murti; Muhammad Abdus Salam Jawwad
International Journal of Eco-Innovation in Science and Engineering (IJEISE) Vol. 5 No. 1 (2024): IJEISE
Publisher : UPN Veteran Jatim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/ijeise.v5i1.127

Abstract

The airport in this study is one of the airports in East Java that uses an incinerator to process its waste. Emissions generated by the incinerator will disperse in the area surrounding one of the airports in East Java. With the increasing interest of the public in air travel, activity at the airport also increases. This increase also impacts the amount of waste processed by the incinerator and the emissions produced, including Sulfur Dioxide (SO2). The aim of this study is to analyze the dispersion of air pollutants using Aermod View modeling software with SO2 parameters from environmental document data of the airport from January to June and from July to December generated by the incinerator stack. The model produces isopleths representing the dispersion of SO2 emissions. The results of the SO2 model still meet ambient air quality standards, as indicated in Appendix VII of Government Regulation Number 22 of 2021.
Comparison of DAF Pretreatment between Static Mixer and Impeller Mixer for Oil and Grease Reduction Rizka Novembrianto; Firra Rosariawari; Okik Hendriyanto Cahyonugroho; Syadzadhiya Qothrunada Zakiyayasin Nisa'; Praditya Sigit Ardisty Sitogasa; Restu Hikmah Ayu Murti
Nusantara Science and Technology Proceedings 8th International Seminar of Research Month 2023
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2024.4107

Abstract

The problem of domestic wastewater originating from restaurants is the largest contributor to organic wastewater in urban waters. Among them are waste water parameters, namely oil, and grease. Oils and grease are compounds that do not dissolve easily in water. However, it can be dissolved with non-polar organic solvents. The carbon chains of oils and grease are also long. So, it is difficult to decompose and takes a long time if processing uses the help of microorganisms. So, the alternative is to use physical-chemical processing. In this research, we tried using a static mixer and an impeller mixer. We conducted a systematic review of DAF techniques in wastewater treatment. We reviewed six indexed databases namely dissolved air flotation, microbubbles, wastewater treatment, and key operational and design parameters involved in the effectiveness of the flotation process. In this pre-treatment, the focus is on the withdrawal/discharge speed in collecting wastewater as a test and the effectiveness of mixing wastewater with coagulants and air pressure. These three aspects are used in equilibrium to achieve the optimum dose for the static mixer use scheme. Meanwhile, the impeller mixer scheme uses rotational speed in mixing with the coagulant, contact time, and Reynolds number to achieve the required turbulence. Apart from that, the use of electrical energy in the pump is also calculated in these two schemes. The results obtained were the amount of weight of oil and grease collected in the static mixer pretreatment of 9.12% w/v and the impeller mixer of 7.63% w/v and the results of the organic content of the Chemical Oxygen Demand (COD) parameter for the static mixer were 86.92 % and mixer impeller 78.86 %. From these results, static mixers have advantages over using impeller mixers in terms of the effectiveness of the oil and grease reduction process.
Efisiensi Pengolahan Cr(VI) dengan Resin Immobilized Photocatalyst Technology (RIPT) Katalis ZnO Zahrah, Aurelia Asilah; Purnomo, Yayok Suryo; Murti, Restu Hikmah Ayu
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Waste water from the nickel mining process has the potential to contaminate the environment due to the presence of hazardous metals such as chromium (Cr) in the form of Cr(VI) and Cr(III), iron (Fe), nickel (Ni) and other heavy metals. These substances are of great concern because of their toxicity, which can have adverse effects on ecosystems and human health. This study was conducted to investigate the effects of UV-C lamp light intensity, contact time and RIPT-ZnO weight on the removal of hexavalent chromium (Cr(VI)) from nickel wastewater. The method used in this research involved immobilisation of photocatalysts on resin with RIPT concentrations of 5g, 10g and 15g and variations in UV-C lamp light intensity of 8W, 18W and direct sunlight. The contact times tested were 0 minutes, 30 minutes, 60 minutes, 120 minutes and 180 minutes, with the focus of the analysis on the Cr(VI) concentration. The results showed that increasing RIPT dosage resulted in higher Cr(VI) removal percentages. The highest Cr(VI) removal was achieved with a 15 gram RIPT dosage, especially when ZnO was used. The optimum contact time for maximum Cr(VI) removal was 180 minutes, indicating that the longer the wastewater is exposed to RIPT, the higher the removal rate. The study found that the use of ZnO in the RIPT technology achieved the highest Cr(VI) removal efficiency, reaching 96%.
Pemanfaatan Limbah Cair Terolah untuk Penyiraman dan Flushing Toilet (Studi Kasus: Rumah Sakit X, Kota Batu, Jawa Timur) Asmawati, Asmawati; Murti, Restu Hikmah Ayu; Purnama, Elanda Rienalda; Isnaini, A'qotrunnada Khalisah
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 7 No. 2 (2023)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v7i2.8842

Abstract

Rumah sakit menghasilkan limbah cair yang berpotensi dapat mencemari lingkungan. Rumah sakit perlu memiliki instalasi pengolahan air limbah (IPAL) untuk mengolah air limbah agar effluent yang dihasilkan memenuhi baku mutu sehingga aman dibuang ke badan air. Rumah Sakit X Kota Batu merupakan salah satu kegiatan pelayanan kesehatan dimana selama kegiatan beroperasi akan berpotensi menghasilkan limbah berupa air limbah medis dan non medis atau limbah domestik. Rumah Sakit X telah memiliki 2 (dua) IPAL. IPAL Gedung Timur difungsikan untuk mengolah air limbah dari kegiatan yang berada di Gedung Timur dengan kapasitas sebesar 50 m3/hari, sedangkan IPAL Gedung Barat difungsikan untuk mengolah air limbah dari kegiatan di Gedung Barat dengan kapasitas sebesar 150 m3/hari. Effluent air limbah Rumah Sakit X Kota Batu telah memenuhi baku mutu, sehingga tidak mencemari lingkungan disekitar lokasi kegiatan. Air limbah terolah Rumah Sakit X Kota Batu dimanfaatkan untuk penyiraman dan flushing toilet. Penyiraman pada ruang terbuka hijau (RTH) di area Rumah Sakit X Kota Batu pada Gedung Timur seluas 9.246 m2 dan 11.051,5 m2 di Gedung Barat. Sedangkan Pemanfaatan untuk flushing toilet akan disalurkan dalam wc/toilet masing-masing di Gedung Timur dan Gedung Barat.
Pengolahan Air Limbah untuk Pemanfaatan Penyiraman Tanaman di Rumah Sakit Y Kabupaten Tuban Pamungkas, Lestari Ayu Septian; Murti, Restu Hikmah Ayu; Purnama, Elanda Reinalda; Utami, Annisa Kurniasavira
Jurnal Komposit: Jurnal Ilmu-ilmu Teknik Sipil Vol. 7 No. 1 (2023)
Publisher : Universitas Ibn Khaldun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/komposit.v7i1.8844

Abstract

Rumah Sakit Y menghasilkan limbah domestik dari kegiatan toilet pasien, toilet karyawan, toilet pengunjung, tindakan medis, wastafel, dapur gizi, masjid, pencucian linen, kantin, dan pemulasaran jenazah. Limbah yang dihasilkan akan dimanfaarkan untuk penyiraman sehingga perlu dilakukan pengolahan. Volume air limbah yang dihasilkan setiap harinya adalah 189,12 m3/hari dengan kandungan mengandung BOD, COD, Amonia, dan Phospat. Limbah akan diolah pada Instalalasi Pengolahan Air Limbah (IPAL) dengan salah satu reaktornya Fluidized Bed Biofilm Reactor (FBBR). Air Limbah. Effluen harus sesuai dengan baku mutu air limbah domestik sesuai Peraturan Menteri Lingkungan Hidup dan Kehutanan Nomor 68 Tahun 2016 tentang Air Limbah Domestik agar dapat dimanfaatkan untuk penyiraman tanaman. Luas Ruang Terbuka Hijau adalah 6.206,5 m2 dengan kebutuhan air untuk penyiraman adalah 0,002 m3/m2. Penyiraman tanaman dilakukan 2 kali sehari pada musim kemarau dan 1 kali sehari atau sesuai kondisi cuaca pada musim penghujan. Air yang dibutuhkan untuk penyiraman tanaman selama satu hari sebesar 24,826 m3/hari saat musim kemarau dan 12,413 m3/hari saat musim penghujan. Sisa pemanfaatan pada musim kemarau sebesar 164,294 m3/hari dan saat musim penghujan sebesar 176, 706 m3/hari akan digunakan untuk pencucian kendaraan ambulan dan penyiraman toilet. Pemanfaatan air limbah untuk penyiraman tanaman pada Ruang Terbuka Hijau di Rumah Sakit Y telah terpenuhi hingga 100%.
Enhancing Ibuprofen Degradation through Optimization of ZrCo Synthesis Catalyst in Membrane Distillation Luchmanandri, Rahmadini; Ali, Munawar; Murti, Restu Hikmah Ayu; Arale, Ade Lila
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 22, No 1 (2025): March 2025
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v22i1.81-94

Abstract

This study will optimize ZrCo as a catalyst applied to the surface of porous membranes to remove micropollutants, specifically ibuprofen. This method improves the reaction rate and accelerates the chain degradation of Ibuprofen, thereby preventing blockage caused by impurities in the membrane pores. The catalyst synthesis was performed using a hydrothermal method with ZrCl4 and CoCl2·6H2O as the primary materials. This method is employed to produce a high purity catalyst and yield a more stable catalyst. This research will measure the optimal catalyst through flux and removal efficiency during the membrane distillation process for 1 hour. Reaction conditions were adjusted using Air Gap Membrane Distillation at 80°C heating temperature, 4 L/min flow rate, and 1.5 mmol/L peroxymonosulfate as pre-oxidation. Experiments were conducted by comparing 9 types of catalysts, from which the best calcination temperature was selected for catalyst concentration optimization. Based on the flux and removal data tested statistically, the optimum catalyst type and calcination temperature were achieved at a 2:1 composition with a calcination temperature of 600°C, yielding flux and removal efficiency values of 7.0238 LMH and 98.53%. Meanwhile, the optimum catalyst concentration was obtained at 0.5 wt%, with flux and removal efficiency values of 8.05 LMH and 99.83%.
EDUKASI PEMILAHAN SAMPAH DAN PEMBUATAN ECO ENZYME Syadzadhiya Qothrunada Zakiyayasin Nisa; Restu Hikmah Ayu Murti; Praditya Sigit Ardisty Sitogasa; Gertrurte Clarisa Eleora Novelia; Savira Fevilia
Environmental Engineering Journal of Community Dedication Vol. 2 No. 2 (2023): Jurnal Environation
Publisher : Teknik Lingkungan Universitas Pembangunan Nasional "Veteran" Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/environation.v2i2.3

Abstract

Permasalahan sampah masih menjadi permasalahan umum di Indonesia dan menjadi konflik berkepanjangan. Peningkatan jumlah penduduk dan terbatasnya pengolahan sampah menyebabkan timbulan sampah terus menumpuk dan menyebabkan permasalahan lingkungan. Jenis sampah yang mendominasi di Tempat Pembuangan Akhir (TPA) yaitu sampah organik yang dihasilkan dari rumah tangga. Sampah organik berdampak buruk bagi kesehatan manusia apabila dibiarkan menumpuk dan membusuk. Sampah perlu dilakukan pemilahan untuk memudahkan pengolahan tiap jenis sampah. Salah satu pengolahan sampah organik yang dapat dilakukan yaitu dengan pembuatan eco enzyme. Eco enzyme merupakan hasil fermentasi bahan organik, sehingga sampah organik dapat digunakan sebagai bahan baku. Manfaat eco enzyme berguna bagi lingkungan karena dapat mengurangi timbulan sampah organik, dan dari proses fermentasinya menghasilkan gas O3 (ozon) yang dapat mengurangi gas rumah kaca. Eco enzyme juga dapat digunakan sebagai pupuk cair dan cairan pembersih. Kegiatan ini bertujuan untuk mengimplementasikan konsep penanganan sampah organik skala rumah tangga melalui pembuatan eco enzyme. Kegiatan dilakukan melalui sosialisasi pemilahan sampah dan pelatihan pembuatan eco enzyme. Hasil dari kegiatan ini memberikan dampak positif dimana masyarakat mengetahui pentingnya pemilahan sampah serta mengetahui cara mengolah dan memanfaatkan sampah organik yang dihasilkan rumah tangga.
Tofu Wastewater Treatment and Bioelectricity Production Potential by Combining Anaerobic Baffled Reactor and Microbial Fuel Cells Nisa', Syadzadhiya Qothrunada Zakiyayasin; Murti, Restu Hikmah Ayu; Ni'am, Achmad C.; Sitogasa, Praditya Sigit Ardisty; Wibowo, Elysia C.
Envirotek : Jurnal Ilmiah Teknik Lingkungan Vol. 17 No. 1 (2025): Envirotek: Jurnal Ilmiah Teknik Lingkungan
Publisher : Universitas Pembangunan Nasional Veteran Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/envirotek.v17i1.2050

Abstract

Anaerobic Baffled Reactor (ABR) systems have only been utilized to reduce pollutant compounds in wastewater. Anaerobic conditions in ABR can double as an anode chamber in Microbial Fuel Cells (MFCs) which require anaerobic conditions. This study aims to test the ability of COD and TSS removal in tofu wastewater and the potential electricity generated from a combination unit of ABR and MFCs. The experiment was conducted on a laboratory scale using a continuous system for 96 hours. ABR reactor was made consisting of 5 compartments, where the second compartment was installed anode for MFCs. The cathode chamber of the MFCs system was made separate from the ABR reactor and filled with electrolyte solution. The anode chamber in the ABR and the cathode chamber are connected by a salt bridge. Electrodes used in MFCs are zinc as anode and copper as cathode. The removal of pollutants in tofu wastewater reached 55.85% for COD and 88.68% for TSS. The electrical potential of MFCs increases along with the increase of organic matter removal in wastewater. The electric voltage generated reached 0.94 V and electric current 0.40 mA. The power density generated in this MFCs system reached 94 mW/m².
Co-Authors Achmad C. Ni’am Adhi Pamungkas, Kresna Setyawan Adika Pratama Aditya Reyhan Prasetyo Adjani, Della Putri Alfiana Sabela Ali, Munawar Ali, Munawar Ananda Cinta Laura Ananda Cinta Laura Andini Virgiana Rahmawati Andyas Mukti Pradanarka Apriliani, Adini Arale, Ade Lila Asmawati Asmawati Aussie Amalia Bekti Nugrahadi Berliana, Putri Nadia Citrasari, Nita Dea Raivani Claresta Hamzah Della Putri Adjani Della Putri Adjani Dinatha, Nabila Putri Dinda Putri Sriweni Erwan Adi Saputro Fachrudin, Rizal Fadlilah Qubro, Qonitah Fidela Almadea Firra Rosariawari Firza Ramadhan Gertrurte Clarisa Eleora Novelia Gita Gempita Nugroho Hafidya Norista Pramesti Hendrata Wibisana Iffad Rakhmanhuda Intania Widyantari Kirana Iqbal Syah Putra Isna Nugraha Isnaini, A'qotrunnada Khalisah Jawad, Muhammad Abdus Salam Jawwad, Muhammad Abdus Salam Kabul Fadilah Luchmanandri, Rahmadini Mirwan, Mohamad Mufidah, Shafa'ul Muhammad Abdus Salam Jawwad Muhammad Abdus Salam Jawwad Muhammad Faisal Fadhil Muhammad Fajar Muhammad Riza Pahlevi Muslikha Nourma Rhomadhoni Muzayyid, Ahmad Nadifa Fairuz Cantika Zafarina S Natasya Yulia Rahayu Ni'am, Achmad C. Nisa', Syadzadhiya Qothrunada Zakiyayasin Nita Citrasari Novembrianto, Rizka Nur Aini Fauziyah Okik Hendriyanto Cahyonugroho Okik Hendriyanto Cahyonugroho Pamungkas, Lestari Ayu Septian Praditya Sigit Ardisty Sitogasa Purnama, Elanda Reinalda Purnama, Elanda Rienalda Purnomo, Yayok Suryo Putri, Marsanda Amelia Rachmanto, Tuhu Agung Raden Kokoh Haryo Putro Raisya Octavia Putri Prianto RATNA ENDAH DWI PUSPITASARI Reva Edra Nugraha Rhomadhoni, Muslikha Nourma Rony Irawanto Rosariawari, Firra Sabrina, Zakkiyah Safitri, Naurah Thifal Salam Jawwad, Muhammad Abdus Sandi Alifian Finardi Savira Fevilia Shen-Jie You Sheng-Jie You Sheng-Jie You Sofianti, Eva Avicenna Suhada, Aisyah Ramadhanti Tasya Ambar Aimia Thineza Ardea Pramesti Utami, Annisa Kurniasavira Wahyu Dwi Utomo Wibowo, Elysia C. Ya-Fen Wang Ya-Fen Wang Yubi Fatroh Harianto Yuliana Sukarmawati Yuliana Sukarmawati Zahrah, Aurelia Asilah