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All Journal TEKNIK Jurnal Pembangunan Wilayah dan Kota Jurnal Ilmu Lingkungan Jurnal Reka Lingkungan BERKALA SAINSTEK ECSOFiM (Economic and Social of Fisheries and Marine Journal) Journal of Engineering and Technological Sciences Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Jurnal Sains & Teknologi Lingkungan JTERA (Jurnal Teknologi Rekayasa) Jurnal Ilmu Alam dan Lingkungan Jurnal Purifikasi Jurnal Abadimas Adi Buana WAKTU: Jurnal Teknik UNIPA Journal of Science and Engineering Al-Ard: Jurnal Teknik Lingkungan INTEGRITAS : Jurnal Pengabdian Jurnal Rekayasa Lingkungan Keadilan Berkala Penelitian Hayati JURNAL GEOGRAFIKA (GEOGRAFI LINGKUNGAN LAHAN BASAH) Seminar Nasional Hasil Riset dan Pengabdian (SNHRP) Envirotek : Jurnal Ilmiah Teknik Lingkungan JUARA: JURNAL WAHANA ABDIMAS SEJAHTERA INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY Journal of Earth Energy Science, Engineering, and Technology Jurnal Ecocentrism JOURNAL OF WETLANDS ENVIRONMENTAL MANAGEMENT Jurnal Adijaya Multidisiplin Jurnal Teknologi Lingkungan Composite: Journal of Civil Engineering Jurnal Teknologi Lingkungan UNMUL Journal of Innovative and Creativity JURNAL TEKNOLOGI LINGKUNGAN Journal Serambi Engineering (JSE) Keadilan JURNAL REKAYASA KIMIA & LINGKUNGAN Jurnal Bioteknologi & Biosains Indonesia (JBBI) Jurnal Bioteknologi & Biosains Indonesia
Rhenny Ratnawati
UIN SUNAN AMPEL SURABAYA
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PERENCANAAN DESAIN TEMPAT PENYIMPANAN SEMENTARA (TPS) LIMBAH B3 TEMPAT PEMROSESAN AKHIR (TPA) PT. X: PERENCANAAN DESAIN TEMPAT PENYIMPANAN SEMENTARA (TPS) LIMBAH B3 TEMPAT PEMROSESAN AKHIR (TPA) PT. X Wazna Auvaria, Shinfi; Muhammad Andi , Ramadhan; rhenny, ratnawati
Jurnal Teknologi Lingkungan Vol. 3 No. 2 (2025): Jurnal Teknologi Lingkungan
Publisher : Fakultas Teknik Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/jtl.v3i2.33346

Abstract

Hazardous Waste Management at PT. X is focused on the design of a Temporary Storage Facility (TSF) that complies with technical standards and regulatory requirements. The types of hazardous waste identified include used oil, used rags, grease, and hazardous waste packaging, all of which require special handling to prevent adverse impacts on human health and the environment. The objective of this study is to design a hazardous waste TPS at PT. X. The planning method refers to the Regulation of the Minister of Environment and Forestry (Permen LHK) No. 6 of 2021. Data were collected through interviews, observations, and logbook analysis to determine the characteristics, quantities, and sources of hazardous waste generation. Based on these data, a TPS design was developed with supporting facilities such as ventilation, fire extinguishers, first aid kits, and specific labeling according to waste characteristics. Hazardous waste is stored for a maximum of 90 days before being transported by an authorized third party, ensuring structured and environmentally sound management. The proposed TPS design measures 3 × 2 × 3 meters and is equipped with safety facilities, including ventilation, fire extinguishers, first aid kits, and labeling in accordance with waste characteristics. This design complies with regulations on maximum storage duration before transfer to a licensed third party. Therefore, the results of this study provide a TPS design that is not only spatially efficient but also ensures regulatory compliance, enhances occupational safety, and minimizes the potential risk of environmental pollution.
REDUCTION OF AMMONIA EMISSIONS FROM THE COMPOSTING OF SLAUGHTERHOUSE SOLID WASTE USING ZEOLITE Rhenny Ratnawati; Sugito Sugito
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 3, NUMBER 2, APRIL 2020
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v3i2.5795

Abstract

The process of aerobic composting the slaughterhouse (SH) solid waste generate ammonia emissions. Aim: The objective of this research to study the ability of the adsorbent to use zeolite to reduce ammonia gas emissions during the composting process of SH solid waste. Methodology and Results: Reduction of ammonia emission is conducted during the aerobic composting process which is 50 days. The raw material composition of the composting process used was 100% rumen contents, 60% rumen contents: 40% straw, 50% rumen contents: 50% straw, and 40% rumen contents: 60% straw. Zeolite used in the form of granular size 100 mesh. The result of the research showed that the level of release of ammonia gas emissions during the composting process could be reduced by zeolite. Conclusion, significance, and impact study: The efficiency of reducing ammonia gas emissions using zeolite adsorbents in the composting process of SH solid waste ranges from 98.09 - 99.40% on average. Zeolite is an adsorbent that has high adsorption power because it has many pores and has a high ion exchange high capacity and serves as an absorbent cation that can cause environmental pollution.
HYBRID ANAEROBIC BAFFLED REACTOR FOR REMOVAL OF BOD AND PHOSPHATE CONCENTRATION IN DOMESTIC WASTEWATER Sugito Sugito; Rhenny Ratnawati; Herlina Afiafani
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 5, NUMBER 1, OCTOBER 2021
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v5i1.10571

Abstract

Hybrid Anaerobic Baffled Reactor (HABR) is a development technology from the Anaerobic Baffled Reactor (ABR), which was already known as a technology that is successful in treating domestic waste. Aims: The objectives of these studies were to investigate the efficiency of reducing BOD and phosphate levels in HABR with zeolite (ZE) and activated carbon (AC) media. Methodology and Results: HABR reactor made of acrylic material with a size of 90 cm x 20 cm x 30 cm. The reactor designed has 7 compartments, with details the first 5 compartments are suspended growth microorganism reactors and the next 2 compartments are attached growth microorganism reactors. Conclusion, significance, and impact of study: The result of the research showed that the efficiency of reducing BOD concentration in the reactor with ZE and AC media were 59.30% and 65.12%, respectively. The final BOD concentration in the AC reactor is 30 mg/L, this value meets the domestic wastewater quality standard required by East Java Governor Regulation Number 72 of 2013 concerning Wastewater Quality Standards for Industry and/or Other Business Activities. The final BOD concentration in the ZE reactor exceeded the required quality standard with a value of 35 mg/L. The final phosphate levels of the two reactors meet the wastewater quality standards for business and/or laundry activities with a maximum phosphate concentration of 10 mg/L. The final phosphate levels in the ZE and AC reactors were 3.74 mg/L and 8.79 mg/L, respectively. The efficiency of phosphate removal in ZE and AC reactors were 70.58% and 30.87%, respectively.
BIOPLASTIC FROM TAPIOCA STARCH WASTE AND RICE WASTE Sri Widyastuti; Yitno Utomo; Annisa Firdayanti; Rhenny Ratnawati; Umi Solikah
INDONESIAN JOURNAL OF URBAN AND ENVIRONMENTAL TECHNOLOGY VOLUME 7, NUMBER 1, APRIL 2024
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/urbanenvirotech.v7i1.18775

Abstract

Bioplastic is a plastic that is easily decomposed naturally by the activity of microorganisms without leaving toxic residues because of its that can return to nature. Aim: This study aim to examine the quality of bioplastics from variations of tapioca starch and rice waste raw materials for optimal composition. Methodology and Results: The method used is by mixing the raw material of tapioca starch waste and rice waste with variations in the composition of the material; 100% rice waste, 100% tapioca starch waste, 30% tapioca starch waste: 70% rice waste, 50% tapioca starch waste: 50% rice waste, 70% tapioca starch waste: 30% rice waste. Add 10 mL of glycerol, 30 mL of distilled water, 40 mL of acetate solvent, and 40 ml of 96% ethanol. The product will be tested on a laboratory scale for tensile strength, elongation at break, FTIR tests, and biodegradation according to SNI 7188.7:2016 for the bioplastic category that is easily biodegradable. The result shows that the optimal composition was found in the composition of 100% rice waste raw material with the quality of the tensile strength test results of 3,45 MPa, the value of elongation at break 3,8%, and the value of biodegradation 100%. The resulting bioplastics contain functional groups O-H (hydroxyl) bonded to hydrogen, C-H (alkanes), C≡C (alkynes), esters, simple aromatic compounds, C-O (carboxyl), C=C (alkenes), and hydrocarbons -(CH2)n. Conclusion, significance, and impact of study:  The use of starch to produce biodegradable materials is because it is environmentally friendly, easily degraded, available in large quantities, and affordable, moreover, the bioplastics derived from these waste sources are typically biodegradable, meaning they can break down into natural compounds under certain conditions, reducing environmental pollution.
Analisis Pembentukan Sludge Granular dari Lumpur Anaerobik Pengolahan Limbah di Effluent Treatment Plant PT XYZ Rhenny Ratnawati; Dewi Agustin; Shinfi Wazna Auvaria; Vera Arida
Jurnal Rekayasa Lingkungan Vol. 25 No. 2 (2025)
Publisher : Institut Teknologi Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37412/jrl.v25i2.395

Abstract

Limbah cair dari proses produksi minyak sawit mengandung bahan organik yang tinggi sehingga pengolahan yang tepat untuk menghilangkan bahan organik adalah dengan proses anaerobik. Di PT XYZ pada proses anaerobik digunakan beberapa jenis reaktor, diantaranya Upflow Anaerobic Sludge Blanket (UASB), Expanded Granular Sludge Blanket (EGSB), Internal Circulation (IC) Tank, dan Super Internal Circulation Tank. Bakteri yang digunakan umumnya berbentuk granular yang lebih cepat mengendap, tetapi pada kondisi lapangan bakteri yang digunakan untuk UASB adalah sludge powdering dimana cenderung washing out. Hal tersebut dapat menurunkan efisiensi pengolahan air limbah. Tujuan penelitian ini adalah menganalisis pembentukan sludge granular dari sludge powdering pada reaktor UASB. Metode yang digunakan adalah eksperimental menggunakan reaktor dari gelas beker dengan pengoperasian selama 6 minggu. Digunakan prinsip koagulasi flokulasi dengan penambahan urea 0,3 gr/L/hr sebagai nutrisi bagi bakteri dan FeCl3 sebagai bahan pengikat. Tahapan penelitian ini diantaranya pengambilan sampel, operasi reaktor, pengamatan, dan pemberian perlakuan kemudian analisis data. Hasil penelitian menunjukkan bahwa reaktor UASB tidak terbentuk sludge granular, karena sludge yang dihasilkan berbentuk flok halus. Penambahan bahan FeCl3 dan urea membuat nilai pH reaktor naik turun dan cenderung basa mengakibatkan terciptanya kondisi yang tidak optimal bagi aktivitas bakteri pembentuk granular. Sehingga belum didapatkan sludge granular dari percobaan menggunakan sludge powdering UASB dengan reaktor gelas beker.
Pengolahan Tanah Tercemar Logam Tembaga Menggunakan Tanaman Lidah Mertua (Sansevieria Trifasciata) Rhenny Ratnawati; Eva Agustina
Journal of Innovative and Creativity (Joecy) Vol. 6 No. 1 (2026)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

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

Abstract

Pencemaran logam berat pada media tanah merupakan salah satu masalah lingkungan yang dapat menurunkan kualitas lahan dan mengganggu keseimbangan ekosistem. Logam tembaga (Cu) merupakan salah satu kontaminan yang umum ditemukan dan berpotensi toksik pada konsentrasi tinggi. Penelitian ini bertujuan untuk menganalisis kemampuan tanaman lidah mertua (Sansevieria trifasciata) dalam menurunkan konsentrasi Cu pada tanah melalui metode fitoremediasi. Metode penelitian meliputi proses aklimatisasi tanaman selama satu minggu, dilanjutkan uji range finding test (RFT) untuk menentukan konsentrasi Cu yang masih dapat ditoleransi tanaman. Tanah sebanyak 2 kg dicampur dengan larutan Cu hingga mencapai konsentrasi awal 6.250 mg/kg. Tanaman kemudian ditanam pada media tersebut dan proses fitoremediasi berlangsung selama empat minggu. Pengambilan sampel tanah dan tanaman dilakukan pada minggu ke-4, kemudian dianalisis menggunakan Atomic Absorption Spectrophotometer (AAS) untuk mengetahui kadar Cu. Hasil analisis menunjukkan bahwa tanaman lidah mertua mampu menurunkan konsentrasi Cu secara signifikan, dari 10.019,7 mg/kg menjadi 1.022 mg/kg. Efektivitas penyisihan mencapai 89,99%, menunjukkan bahwa mekanisme fitoremediasi melalui proses akumulasi logam dan dukungan aktivitas mikroorganisme pada rizosfer berjalan optimal. Dengan demikian, tanaman lidah mertua berpotensi besar digunakan sebagai agen fitoremediasi dalam menurunkan pencemaran logam Cu pada tanah. Penelitian ini memberikan gambaran bahwa fitoremediasi merupakan metode yang efektif, murah, dan ramah lingkungan untuk perbaikan kualitas tanah tercemar.
Degradation of Phenolic Compounds Using Pseudomonas aeruginosa and Enterobacter cloacae Bacteria in Groundwater (Case Study: Gempolsari Village) Aulia Nur Febrianti; Dwi Ramadya Risqiana Putri; Rhenny Ratnawati
Journal of Science and Engineering Vol 9 No 1 (2026): Journal of Science and Engineering (JOSAE)
Publisher : Fakultas Teknik Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/josae.v9i1.11802

Abstract

The Lapindo mudflow disaster in Porong, Sidoarjo, has caused long-term environmental contamination, particularly affecting groundwater quality in surrounding residential areas such as Gempolsari Village. One of the major pollutants identified in contaminated groundwater is phenol, an aromatic hydrocarbon compound that poses significant risks to both human health and aquatic ecosystems. This study aimed to evaluate the effectiveness of Pseudomonas aeruginosa and Enterobacter cloacae in degrading phenol compounds in groundwater contaminated by Lapindo mudflow under aerobic conditions. The biodegradation experiment was conducted using three treatment variations, namely variation A (Pseudomonas aeruginosa : Enterobacter cloacae = 10:0), variation B (5:5), and variation C (0:10). Prior to treatment, groundwater quality parameters including pH, temperature, dissolved oxygen, and phenol concentration were analyzed. Observations of bacterial growth, pH changes, and phenol degradation were carried out at 6, 12, and 18 hours. The results showed that all treatment variations were capable of degrading phenol effectively, achieving complete phenol removal at the 18th hour. However, variation C demonstrated the best performance during the intermediate observation period, reducing phenol concentration from 0.0089 ppm to 0.0046 ppm at the 12th hour with a degradation efficiency of approximately 72.6%. The pH values remained stable within the range of 6–7, indicating favorable environmental conditions for bacterial activity. In addition, bacterial population growth observed throughout the experiment confirmed the ability of both bacterial species to adapt and utilize phenol as a carbon and energy source. These findings indicate that Pseudomonas aeruginosa and Enterobacter cloacae have strong potential for application in the bioremediation of phenol-contaminated groundwater affected by Lapindo mudflow.
EVALUASI KUALITATIF OPERASIONAL DAN PEMELIHARAAN INSTALASI PENGOLAHAN AIR LIMBAH (IPAL) DI RUMAH SAKIT X Danang Juniztyo Sularto; Widya Nilandita; Shinfi Wazna Auvaria; Rhenny Ratnawati
Jurnal Teknologi Lingkungan UNMUL Vol 9, No 2 (2025): Jurnal Teknologi Lingkungan UNMUL
Publisher : Mulawarman University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/jtlunmul.v9i2.22469

Abstract

Rumah sakit menghasilkan limbah padat, cair, dan gas yang berpotensi mengandung mikroorganisme penyebab penyakit, bersifat infeksius, serta mengandung bahan kimia berbahaya maupun zat radioaktif dalam kadar kecil yang berdampak negatif terhadap kesehatan manusia dan lingkungan. Pengolahan limbah berperan penting dalam mengurangi sifat berbahaya serta memastikan kualitasnya sesuai standar sebelum dibuang ke lingkungan. Penelitian ini bertujuan mengevaluasi sistem operasional serta pemeliharaan Instalasi Pengolahan Air Limbah (IPAL) Rumah Sakit X, berdasarkan Buku 3 Pedoman SOP UPTD Pengelola Air Limbah Domestik Tahun 2018 dan Peraturan Gubernur Jawa Timur No. 72 Tahun 2013. Metode yang digunakan adalah dengan cara melakukan observasi, wawancara dengan pengawas operator dan juga melakukan dokumentasi unit pengolahan di IPAL. Hasil evaluasi menunjukkan bahwa sistem pengolahan limbah telah berjalan sesuai prosedur, di mana efisiensi penyisihan parameter pencemar untuk kadar BOD, COD, TSS, dan mikroorganisme patogen memenuhi baku mutu. Pengelolaan IPAL secara rutin dan pencatatan parameter harian juga telah dilakukan dengan baik. Kesimpulannya, hasil evaluasi menunjukkan bahwa tingkat kesesuaian operasional IPAL terhadap Peraturan Gubernur Jawa Timur Nomor 72 Tahun 2013 mencapai 100%. Berdasarkan dengan Buku 3 SOP Aset Operasi UPTD, tingkat kesesuaian operasional tercatat sebesar 93,3% dengan 28 dari 30 parameter terpenuhi, sedangkan tingkat kesesuaian pemeliharaan sebesar 89,65% dengan 26 dari 29 parameter terpenuhi.
Optimalization of Solid Waste Transportation in Geger District, Madiun Rhenny Ratnawati; Aulia Nur Febrianti; Triana Triana
Journal of Science and Engineering Vol 9 No 1 (2026): Journal of Science and Engineering (JOSAE)
Publisher : Fakultas Teknik Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/josae.v9i1.11807

Abstract

This study aims to evaluate the performance of the solid waste transportation system in Geger District and determine the required transportation capacity to improve service coverage. The research involved the collection of primary and secondary data, including waste generation rates, transportation routes, and fleet characteristics (type, capacity, service area, and quantity). Fielad observations were conducted to quantity waste accumulation at temporary disposal sites, while fleet operational duration was analyzed through direct vehicle tracking. The performance assessment indicates that the current waste collection and transportation coverage is only 7.45%, demonstrating a significant gap between service capacity and waste generation. Operational analysis reveals inefficiencies in fleet utilization and routing. System optimization was conducted by estimating the required number of transportation units based on waste generation and service demand. Furthermore, a SWOT analysis was applied to formulate strategic improvements. The results suggest that enhancing fleet capacity, optimizing operational schedules, and improving TPS infrastructure are critical to increasing system performance. These findings provide a technical basis for developing a more efficient and sustainable solid waste transportation system in Geger District.
Evaluasi Pengelolaan Limbah Fly Ash dan Bottom Ash dari Proses Produksi Energi Listrik PLTU Pacitan Minhajul Abidin; Shinfi Wazna Auvaria; Rhenny Ratnawati
Composite: Journal of Civil Engineering Vol. 4 No. 2 (2025): December 2025
Publisher : University of Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/cjce.v4i2.16210

Abstract

Konsumsi energi listrik yang meningkat mengakibatkan Pembangkit tenaga listrik yang didirikan semakin banyak. Pembangkit Listrik Tenaga Uap (PLTU) termasuk pemasok listrik terbesar yang menggunakan batu bara sebagai bahan bakar. Limbah yang dihasilkan akan berpotensi mengakibatkan terjadinya pencemaran lingkungan. Limbah yang dihasilkan berupa Fly Ash dan Bottom Ash (FABA). Pengelolaan limbah harus dilakukan berdasarkan regulasi yang berlaku. Tujuan penelitian ini adalah menganalisis pengelolaan FABA PLTU Pacitan dan membandingkan dengan peraturan. Metode penelitian ini menggunakan pendekatan deskriptif kualitatif. Data yang dibutuhkan berasal dari studi literatur, observasi lapangan, wawancara, dan dokumentasi. Hasil uji karakteristik ini menunjukkan terdapat parameter SiO2, Al2O3, Fe2O3, CaO, MgO, dan Na2O yang kurang memenuhi standar kualitas pozzolan. Namun pada Bottom Ash, SiO2 telah memenuhi standar. Proses pengelolaan limbah yang diterapkan dinilai telah memenuhi standar atau regulasi yang berlaku untuk mendukung kebijakan perlindungan dan pengelolaan lingkungan hidup.
Co-Authors Achmad Chusnun Ni'am Agustin, Dewi AGUSTINA, EVA Ainiyah, Siti Irhayatul Annisa Firdayanti Annisa Rifka Alifia Annisa Rifka Alifia Aprilia Talarima Arif Rahman Nugroho Arson, Rudolfus Aulia Nur Febrianti Auvaria, Shinfi Wazna Bangun Wahyu Ramadhan Ika Hariyanto Putra Danang Juniztyo Sularto Dano, Gita Hang Dewi Agustin Dian Majid Diana Evawati, Diana Diyana, Ulfatud Dwi Ramadya Risqiana Putri Elyana Agustini F. Faizah Faizah, F. Farikh Akhsanul Hafidhin Fatmasari, Risna Dwi Febrioko, Dwi Herlina Afiafani Indah Nurhayati Indah Nurhayati Irnawati Joko Sutrisno Joko Sutrisno Joko Sutrisno Khoiriyah, Shobah Fauzul Ula Kurniawan, Helminoufal Laba, Vinsensius Fereri Laksono Trisnantoro Latifah Mega Latifah, Nabila Fuadah M. Nushron Ali Mukhtar Mega Tri Yunita Minhajul Abidin Moch. Shofwan Muhammad Al Kholif Muhammad Andi , Ramadhan Muhammad Ilham Habibi Muhammad Indra Ramadhan Muhammah Hilal Nur Anshori Nilandita, Widya Nur Rohim, Imam Nurmasyta Sylviana Priyono Permata Sari, Dinda Permatasari, Nidya Pungut Purwanto Utomo, Hendra Putra, Firmanudin Yuga Rahayaan, Natalia Risna Dwi Fatmasari Rohim, Imam Nur Sakbanul Lailatul Ulfah Shinfi Wazna Auvaria Siti Nuurlaily Rukmana, Siti Nuurlaily Sri Widyastuti Sugito SUGITO Sugito - Sugito Sugito Suning, Suning Susilowati Susilowati Talarima, Aprilia Triana Triana Umi Solikah Venny Yunita Sari Vera Arida Wahid, Ahmad Wahyuni, Hasri Widya Nilandita Yitno Utomo Yohanita Anggraini, Viona Yoso Wiyarno Yoso Wiyarno Yulinah Trihadiningrum