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All Journal TEKNIK Jurnal Pembangunan Wilayah dan Kota Jurnal Ilmu Lingkungan Jurnal Reka Lingkungan BERKALA SAINSTEK 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 Abadimas Adi Buana WAKTU: Jurnal Teknik UNIPA Al-Ard: Jurnal Teknik Lingkungan INTEGRITAS : Jurnal Pengabdian 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 JOURNAL OF WETLANDS ENVIRONMENTAL MANAGEMENT Jurnal Adijaya Multidisiplin Jurnal Teknologi Lingkungan Serambi Engineering Keadilan JURNAL REKAYASA KIMIA & LINGKUNGAN Jurnal Bioteknologi & Biosains Indonesia (JBBI)
Ratnawati, Rhenny
Department Of Environmental Engineering, Engineering Faculty, Universitas PGRI Adi Buana, Dukuh Menanggal XII Surabaya, 60234, Indonesia
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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 | Full PDF (1402.874 KB) | 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.
Uji Efektivitas Koagulan Alami Dalam Menurunkan Kadar COD dan TSS Limbah Industri Dian Majid; Latifah Mega; Rhenny Ratnawati
JTERA (Jurnal Teknologi Rekayasa) Vol 7, No 2: December 2022
Publisher : Politeknik Sukabumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31544/jtera.v7.i2.2022.301-306

Abstract

Permasalahan pencemaran air menjadi salah satu hal yang belum terselesaikan di Indonesia. Penyebab pencemaran air tersebut akibat buangan limbah industri. Pada penelitian ini bertujuan untuk menurunkan polutan akibat dari cemran limbah industri COD dan TSS. Pengolahan limbah industri dapat dilakukan secara kimiawi dengan metode koagulasi. Penelitian ini mengolah limbah cair industri di Gresik menggunakan metode koagulasi memanfaatkan biji pepaya dan biji trembesi sebagai koagulan. Hasil penelitian menunjukkan koagulan biji pepaya mampu menurunkan COD dengan hasil akhir yaitu 1202 mg/l, dengan dosis 5 gr dengan ukuran partikel 150 mesh dan TSS akhir yaitu 54 mg/l dengan dosis 5 gr dan ukuran partikel 150 mesh. Sedangkan hasil koagulan biji trembesi hasil akhir 1102 mg/l,dengan dosis 5 gr dan ukuran partikel 150 mesh dan hasil TSS 429 mg/l dengan dosis 5 gr dan ukuran partikel 150 mesh. Berdasarkan penelitian ini, koagulan alami dapat digunakan sebagai alternatif dalam pengolahan limbah industri.
A The PENURUNAN KADAR SURFAKTAN, NITROGEN DAN PHOSPAT AIR LIMBAH DOMESTIK DENGAN ECO ENZIM SRI WIDYASTUTI; Rhenny Ratnawati; Sugito; Yoso Wiyarno; Pungut
WAKTU: Jurnal Teknik UNIPA Vol 21 No 01 (2023): WAKTU: Jurnal Teknik UNIPA
Publisher : Fakultas Teknik , Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/waktu.v21i01.6567

Abstract

Pemerintah Kota Surabaya, sejak tahun 2005 fokus menggerakkan kampung-kampungnya ke arah pembangunan berkelanjutan sehingga pada akhirnya kampung tersebut menjadi daya tarik wisata. Secara spesifik prinsip pariwisata berkelanjutan bisa dilihat dari sektor sosial dan sektor ekonomi, sektor budaya, dan sektor lingkungan. Tujuan tulisan ini untuk membahas terkait kesesuaian kampung wisata di Kota Surabaya dengan menggunakan prinsip pariwisata. Dalam tulisan ini untuk mengukur tingkat kesesuaian kampung wisata berdasarkan prinsip berkelanjutan menggunakan deskriptif kuantitatif dan deskriptif evaluatif. Penelitian ini menggunakan deskriptif kuantitatif dengan teknik analisis skoring. Kampung DTW Kota Surabaya yang sesuai dengan kriteria pariwisata berkelanjutan terbagi menjadi dua kategori yaitu kategori sedang terletak di Kampung Handycraft, Kampung Gundih, Kampung Bordir, Kampung Kue, Kampung Kerupuk, Kampung Tempe, Kampung Sepatu Osowilangun, dan Kampung Gadukan. Kategori tinggi yaitu terletak di Kampung Herbal, Kampung Ketandan, Kampung Hijau Jambangan.
Active Charcoal and Zeolite to Reduce COD and Ammonia of Domestic Wastewater Rhenny Ratnawati; Sugito Sugito
Journal of Wetlands Environmental Management Vol 9, No 2 (2021): July-December, 2021
Publisher : Center for Journal Management and Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (645.587 KB) | DOI: 10.20527/jwem.v9i2.281

Abstract

Domestic wastewater contains high organic matter and nutrient. These compounds can be harmful for the environment if discharged directly to water bodies. Hybrid Anaerobic Baffled Reactor (HABR) technology might be a solution to overcome this problem. The present study aimed to investigate HABR technology for removal COD and ammonia in domestic wastewater. The HABR technology used 7 compartments with a suspended and an attachment system. Design of HABR reactor with is arranged in a series of laboratory scale with a size of 90 cm x 20 cm x 30 cm using activate charcoal (AC) and zeolite (ZE) media. The data collection process is carried out 5 days after seeding and acclimatization period. The collected data is presented in the form of table and figure containing data on the reduction of pollutant levels and efficiency. The highest COD removal value up to 63.77% and 57.22% occurred in AC dan ZE, respectively. The final COD concentration in AC dan ZE media was 67.75 mg/L and 80.00 mg/L. The highest ammonia concentration removal occurred in AC and ZE value up to 68.98%. and 73.47%, respectively. The final ammonia concentration in AC media and ZE was 9.37 mg/L and 8.01 mg/L. The final COD and ammonia concentrations in all treatments met the requirement of domestic wastewater quality standard according to Minister of Environment and Forestry Republic of Indonesia Decree No. 68 of 2016, where the COD and ammonia concentration should be 100.00 mg/L and 10.00 mg/L, respectively.
Addition of Anadara Granosa Shell Chitosan in Production Bioplastics Rhenny Ratnawati; Sri Widyastuti; Yitno Utomo; Diana Evawati
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 13 No 2 (2023): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.13.2.175-185

Abstract

Bioplastics is a plastic composite material that can decompose quickly and is environmentally friendly when interacting with soil and microorganisms. The aims of the research are: to examine the optimal composition of bioplastics made from tapioca waste by adding blood clam shell chitosan and glycerol, to determine the quality of production bioplastics from tapioca waste with the addition of blood clam shell chitosan and glycerol, and to determine the chemical content of the clam shells. bioplastic function of tapioca with the addition of blood clam shell chitosan and glycerol. The method used is experimental. Production of bioplastic by mixing waste tapioca flour, chitosan, and glycerol with a composition of 65%:35%:5mL, 70%:30%:5mL, and 75%:25%:5mL and additional water. The sample was put into a water bath and stirred at a temperature of 80oC for 15 minutes. Bioplastics were printed in aluminum foil, dried at 100oC for 90 minutes and cooled at room temperature for 6 hours. Laboratory test samples with tensile strength, elongation at break, FTIR, and biodegradation tests according to SNI 7188.7:2016 in the category of bioplastic easily decomposed. The results of the tensile strength on PBA1 samples were 0.75 Mpa, PBA2 samples were 0.54 Mpa, and PBA3 samples were 0.34 Mpa. Test value for elongation at break the PBA1 sample is 23.68%, the PBA2 sample is 15.33%, and the PBA3 sample is 12.12%. The sample test results do not meet the quality standard value of SNI 7188.7:2016 for the bioplastic category. The optimal composition of bioplastics is found in the PBA2 sample using tapioca flour as raw material with chitosan and glycerol as much as 70%:30%:5mL with a tensile strength 0.54%, an elongation at break 15.33%, biodegradation of 43%, and has a bioplastic content with functional groups (C=C), (CO), (CH),(OH), (C=C), and (CH2)n in the FTIR test results.
Penerapan Teknologi Fitoremediasi Menggunakan Tanaman Eceng Gondok untuk Mengolah Air Limbah Laundry Farikh Akhsanul Hafidhin; Rhenny Ratnawati; Sugito Sugito; Joko Sutrisno; Indah Nurhayati; Aulia Nur Febrianti; Muhammad Al Kholif
Jurnal Ilmu Alam dan Lingkungan Vol. 14 No. 2 (2023): Jurnal Ilmu Alam dan Lingkungan
Publisher : Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/jal.v14i2.28000

Abstract

Air limbah laundry memiliki kandungan utama pencemar seperti detergen, surfaktan, fosfat, BOD (Biochemical Oxygen Demand) dan COD (Chemical Oxygen Demand). Penerapan teknologi fitoremediasi dengan menggunakan tanaman enceng gondok bisa menjadi alternatif terbaik dalam menghilangkan pencemar pada air limbah laundry. Penelitian ini bertujuan untuk mengkaji kemampuan jumlah variasi tanaman enceng gondok dari setiap reaktor fitoremediasi dalam mereduksi pencemar BOD, COD, dan fosfat. Perlakuan diawali dengan menguji karakteristik awal air limbah laundry, aklimatisasi, Range Finding Test (RFT), dan proses fitoremediasi. Kadar RFT yang digunakan adalah 40%, yang dijadikan sebagai acuan pada fitoremediasi. Tahapan fitoremediasi dilakukan selama 20 hari. Variabel yang digunakan adalah variasi jumlah tanaman pada 3 reaktor, yaitu 5 tanaman pada reaktor A, 10 tanaman pada reaktor B, dan 15 tanaman pada reaktor C. Hasil penelitian menunjukkan bahwa perlakuan fitoremediasi dengan tanaman eceng gondok sangat berpengaruh terhadap penurunan kadar BOD, COD, dan fosfat. Reaktor C dengan 15 tanaman eceng gondok merupakan reaktor yang paling baik dalam menurunkan parameter BOD sebesar 33 mg/L dan COD sebesar 57 mg/L. Sedangkan reaktor yang paling baik dalam menurunkan parameter fosfat yaitu pada reaktor B sebesar 0.9 mg/L. Perlakuan fitoremediasi dengan tanaman eceng gondok memiliki efisiensi dalam menurunkan kadar pencemar BOD (68.86%), COD (66.86%), dan fosfat (77.5%).
IPTEK Bagi Masyarakat (IbM) Pembuatan Produk Kewirausahaan Ecospray Hand Sanitizer Berbahan Dasar Eco-Enzym Di Desa Jatikalang Kecamatan Krian Kabupaten Sidoarjo Rhenny Ratnawati; Pungut; Sri Widyastuti; Sugito
JUARA: Jurnal Wahana Abdimas Sejahtera Volume 4, Nomor 2, Juli 2023
Publisher : Jurusan Teknik Lingkungan Fakultas Arsitektur Lanskap dan Teknologi Lingkungan, Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/juara.v4i2.16017

Abstract

Residents of Jatilang Village, Krian District, Sidoarjo Regency have waste problems so they do not understand the use of organic waste and do not have the awareness to process this waste into goods that are beneficial to the economy. The purpose of carrying out this community service activity is to increase the knowledge of the Jatikalang Village community to reduce the household organic waste generated and to make Jatilang Village a village that has the superior product Ecotizer (handsanitizer made from ecoenzym) which can support the economy and family income. Implementation this program consists of several stages, namely site survey, preparation of facilities and infrastructure, procurement of tools and materials, counseling on knowledge about eco enzymes, how to make eco enzymes, and making ECOSPRAY. The result of this activity is that the community has an understanding of processing waste and turning it into useful products with a percentage value of up to 90% of the initial conditions. Through this activity the residents of Jatilang Village are able to properly apply waste management and use it to become a product.
PEMANFAATAN EFFECTIVE MICROORGANISM (EM) LIMBAH SAYUR UNTUK PENGOLAHAN LIMBAH LAUNDRY Annisa Rifka Alifia; Rhenny Ratnawati
Envirotek : Jurnal Ilmiah Teknik Lingkungan Vol. 12 No. 2 (2020): 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.v12i2.96

Abstract

Limbah laundry mengandung kandungan deterjen dan fosfat yang menyebabkan pencemaran lingkungan, eutrofikasi dan gangguan kesehatan cukup serius pada manusia. Alternatif teknologi pengolahan limbah laundry yang ramah lingkungan salah satunya menggunakan Effective Microorganism (EM). Pemanfaatan limbah sayur sebagai EM dilakukan karena sayuran yang mengalami pembusukan mempunyai banyak mikroorganisme yang terkandung. Mikroorganisme dalam sayuran dianggap dapat melakukan penurunan limbah organik. Penelitian yang dilakukan bertujuan untuk mengkaji efisiensi penurunan kadar COD dan fosfat pada air limbah laundry menggunakan EM limbah sayur. Jumlah reaktor terdiri dari 4 reaktor dimana pemberian dosis EM secara berturut-turut yaitu 0%, 5%, 10% dan 15%. Hasil penelitian menunjukan efisiensi tertinggi kadar COD dengan dosis 0%, 5%, 10% dan 15% adalah 10.2%, 43.9%, 51% dan 59.9%. Sedangkan untuk kadar fosfat efisiensi penurunan tertinggi dengan dosis 0%, 5%, 10% dan 15% secara berturut- turut yaitu sebesar 0.7%, 53.2%, 56.5% dan 65.2%. Dosis yang efektif untuk menurunkan COD dan fosfat pada limbah laundry adalah 15%.
Biocoagulant Utilization from Java Tamarind Seed and Sweet Orange Peel for Turbidity, COD and BOD reduction in Domestic Wastewater Aulia Nur Febrianti; Rhenny Ratnawati; Muhammad Indra Ramadhan
Jurnal Serambi Engineering Vol. 9 No. 2 (2024): April 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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

Abstract

Domestic liquid waste typically originates from home trash and requires treatment to decrease quantities of Biological Oxygen Demand (BOD), Chemical Oxygen Demand (COD), Total Suspended Solid (TSS), and mixed particles. Additionally, treatment is necessary to eliminate nutrients and harmful components. The objective of this study is to determine the optimal dosage of biocoagulant needed for the process of coagulation and flocculation in a laboratory setting using the jar test method, specifically for treating domestic wastewater. Tamarind seed shell waste contains tannin, which can act as a natural coagulant. It functions as a positively charged natural polyelectrolyte that efficiently binds to negatively charged colloidal particles. The study included independent variables consisting of different doses of a mixture between tamarind seed shell and sweet orange peel bio coagulants, with ratios of 1:0, 1:0.5, and 1:1. An optimal dosage of 1.5 grams of tamarind seed shell effectively reduced turbidity by 51%, BOD levels by 80%, and COD levels by 77%.
PERLINDUNGAN HUKUM BAGI MASYARAKAT TERHADAP PENGELOLAAN LIMBAH RUMAH POTONG HEWAN DI INDONESIA Irnawati; Rhenny Ratnawati
Keadilan : Jurnal Fakultas Hukum Universitas Tulang Bawang Vol 17 No 2 (2019): KeadilaN Jurnal Fakultas Hukum Universitas Tulang Bawang
Publisher : Fakultas Hukum Universitas Tulang Bawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37090/keadilan.v17i2.272

Abstract

The purpose of writing this article is to understand the legal protection for people against the management of slaughterhouse waste in Indonesia. Animal slaughterhouse management waste is waste resulting from the cutting process and if not managed properly will have an impact on the surrounding environment. Pollution of animal slaughterhouse waste management can occur if not properly managed. The method of approaching research is normative juridical. The results of the study provide an answer that the protection of the law against the community is a fundamental thing to be accommodated by the surrounding government. Waste management is an absolute thing done by the state to ensure the good survival of the people in Indonesia. Keywords : legal protection, community, waste management, slaughterhouse
Co-Authors Achmad Chusnun Ni'am Afiafani, Herlina Ainiyah, Siti Irhayatul Annisa Rifka Alifia Annisa Rifka Alifia Aprilia Talarima Arif Rahman Nugroho Arson, Rudolfus Aulia Nur Febrianti Bangun Wahyu Ramadhan Ika Hariyanto Putra Dano, Gita Hang Dian Majid Diana Evawati, Diana Diyana, Ulfatud F. Faizah Faizah, F. Farikh Akhsanul Hafidhin Fatmasari, Risna Dwi Febrioko, Dwi Firdayanti, Annisa Herlina Afiafani Indah Nurhayati Indah Nurhayati 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 Majid, Dian Mega Tri Yunita Moch. Shofwan Muhammad Al Kholif Muhammad Ilham Habibi Muhammad Indra Ramadhan Muhammah Hilal Nur Anshori Nur Rohim, Imam Nurmasyta Sylviana Priyono Permata Sari, Dinda Permatasari, Nidya Pungut Pungut Pungut Pungut Pungut Pungut, Pungut Purwanto Utomo, Hendra Putra, Firmanudin Yuga Rahayaan, Natalia Risna Dwi Fatmasari Rohim, Imam Nur Sakbanul Lailatul Ulfah Sari, Venny Yunita Solikah, Umi Sri Widyastuti SUGITO Sugito Sugito - Sugito Sugito Sugito Sugito Sugito Sugito Suning, Suning Susilowati Talarima, Aprilia Wahyuni, Hasri Yitno Utomo Yohanita Anggraini, Viona Yoso Wiyarno Yoso Wiyarno Yulinah Trihadiningrum