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Rosariawari, Firra
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Organic Waste Treatment Optimization Design Planning Using Simultaneous Composting Technology with EM4 and MOL at Universitas Pembangunan Nasional “Veteran” Jawa Timur Hidayah, Euis Nurul; Novembrianto , Rizka; Rosariawari, Firra; Nisa, Syadzadhiya Qothrunada Zakiyayasin; Sholikin, Mohamad; Rizki, Azizah Mahirah; Rositasari, Putri Redita
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.2024.4118

Abstract

Universitas Pembangunan Nasional “Veteran” Jawa Timur is one of the public facilities that produces solid waste, including organic waste, inorganic, and hazardous waste. Waste that can be immediately utilized is organic waste consisting of food waste and leaves and twigs. Therefore, appropriate technology is needed to process organic waste into more useful goods and as a better management alternative through community service. One of the alternatives for processing waste is recycling it into compost using Simultaneous Composting Technology with EM4 and MOL. The main target of this community service is to reduce waste and utilize university waste with appropriate technology for regional coverage and national coverage in the future. The method of this community service is to separate waste between organic and non-organic, selected organic waste is cut by a hammer mill, and then other waste from the canteen activity is made Local Microorganisms (MOLs) as the decaying medium in the composite production of the organic garbage processing device reactor. As a result, this community service has been running smoothly and well. The results of this community service have a positive impact through the use of organic waste into compost which can be utilized by the internal campus and generate economic value.
Treatment of Laundry Wastewater Using Different Coagulants: Alum and HCA Nisa', Syadzadhiya Qothrunada Zakiyayasin; Novembrianto , Rizka; Rosariawari, Firra; Rhomadhoni, Muslikha Nourma; Azzahra, Maulayya Fatimah
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.2024.4119

Abstract

The wastewater from industrial laundries has a high quantity of contaminants from the washing process, as well as chemical additives. The current study assessed the efficacy of the coagulation/occultation/sedimentation (C/F/S) method to treat laundry wastewater in relation to physicochemical parameters of water quality with the goal of treating this type of wastewater. For this purpose, an experimental design was applied to the C/F/S step using the addition of coagulant Alum, coagulant Alum plus flocculant Superfloc, and coagulant HCA. Alum coagulant has removal efficiency of 52% for COD and 37% for phosphate. The use of alum coagulant and Superfloc flocculant produces COD removal efficiency of 60% and phosphate removal efficiency of 58%. The use of HCA coagulant shows a removal efficiency of 64% for COD and 78% for phosphate. This shows that using more HCA coagulant is more effective than using alum coagulant and Superfloc flocculant in laundry wastewater treatment.
Commercialization of Campus Waste-Derived Product at UPN “Veteran” Jawa Timur Sitogasa, Praditya S. Ardisty; Rosariawari, Firra
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.2024.4120

Abstract

Universitas Pembangunan Nasional (UPN) "Veteran" Jawa Timur is one of the state universities located in the Rungkut Madya-Gunung Anyar area, Surabaya, where various activities take place daily. Based on the types of activities, the sources of waste at UPN "Veteran" Jawa Timur are divided into two areas: waste from academic buildings, offices, and cafeterias, and waste from gardens and streets. About 70% of the waste generated by campus activities has the potential for recovery. Organic waste from garden sweeping, cafeterias, and other activities can be processed through composting. In addition to composting, there is currently another alternative method with better economic potential, one of which is turning it into eco-enzymes. Commercialization is understood as a process of developing new products from creative industries, making a product more valuable and commercially viable. In this article, commercialization is also understood as a comprehensive technology transfer process, starting from selecting raw materials for a product and continuing through the production process until the product is produced and reaches the end consumer. With the available and applicable processing technologies, it is hoped that this commercialization activity can assist in promoting the transformation of waste into furniture, home décor, and eco-enzymes by business groups. It includes designing commercial packaging for products and creating management and promotion schemes for processed campus waste products at UPN "Veteran" Jawa Timur.
Efektifitas Metode Elektrokoagulasi Dengan Penambahan Medan Magnet Dalam Menyisihkan TSS dan COD Air Limbah Industri Rumah Potong Hewan Cahyani, Nurilita Amalia; Rosariawari, Firra
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Slaughterhouse effluent is high in organic matter and suspended solids and requires treatment before direct discharge. We are combining electrocoagulation technology and magnetic fields as a treatment method to assess their impact on the effectiveness of TSS and COD removal. The aim of this study is to determine the effect of current strength and treatment contact time on the pH of the effluent and the efficiency of TSS and COD removal from slaughterhouse effluent. The variables in this study include current strengths of 1 ampere, 3 amperes and 5 amperes with treatment contact times of 30 minutes, 60 minutes, 90 minutes and 120 minutes. From the results of electrocoagulation experiments with and without a magnetic field, it is known that the magnetic field has the ability to accelerate the sedimentation process and remove suspended solids more effectively. The pH of the effluent increased with each increase in current and contact time. The best removal results were obtained in the electrocoagulation process with a magnetic field, which had a TSS removal of 96.06% and a COD removal of 89.37% at a pH of 8.3, using a current of 3 amperes and a contact time of 120 minutes.
Pemanfaatan Ampas Tebu Dan Kulit Pisang Kepok Sebagai Karbon Aktif Pada Proses Adsorpsi Untuk Menyisihkan Kadar Fe dan Mn Addzikri, Ahmad Iqbal; Rosariawari, Firra
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

The increasing problem of water pollution due to high levels of heavy metals which are often found in well water in various regions affects water quality which can have a negative impact on public health and the environment. Therefore, an effective solution is needed to reduce this contamination. One promising solution is the use of activated carbon derived from organic materials, such as sugarcane bagasse and kepok banana peel. This research aims to analyze the optimal dose and effectiveness of activated carbon produced from sugar cane bagasse and kepok banana peel which is activated with 5% H₃PO₄ in the adsorption process to reduce iron (Fe) and manganese (Mn) levels in well water. The research was carried out with varying doses of activated carbon of 4 grams, 6 grams, and 8 grams, as well as varying contact times of 20, 30, 40, 50, and 60 minutes. The results of the research show that activated carbon from sugar cane bagasse and kepok banana peel has a significant ability to remove these two heavy metals with varying effectiveness. The results of this research provide a sustainable and environmentally friendly alternative for water treatment and open up opportunities for utilizing organic waste as raw materials in water treatment methods that can improve the quality of contaminated well water.
Assessment of Black Carbon in University: Emphasis on Different Indoor Microenvironment, Infiltration Factor, and Exposure Sholikin, Mohamad; Rosariawari, Firra; Jawwad, Muhammad Abdus Salam
Jurnal Serambi Engineering Vol. 10 No. 1 (2025): Januari 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Black carbon (BC), a harmful air pollutant, poses significant risks to human health. As students spend most of their time indoors and a third in school, the educational environment deserves special attention; however, most previous research has focused on the assessment of the pollutant itself in the classroom. Therefore, this work aims to extend the characterisation of BC in universities by considering different indoor microenvironments, infiltration factors and estimating exposures for healthy children and adults. In this study, BC concentrations were measured in four room types: cafeteria, gym, office room and classroom. The average BC observed in the cafeteria (599 ng m-³), gymnasium (987 ng m-³), office (830 ng m-³) and classroom (548 ng m-³) were. Of these, the gymnasium had the highest mean concentration, consistent with its high indoor/outdoor (I/O) ratio of 1.11, indicating significant indoor sources of BC. Exposure levels correlated directly with BC concentrations, with adults having higher deposition rates compared to children. These results provide insights into the spatial variation of BC in indoor environments, with implications for air quality control and health risk assessment for occupants.
Analisis Pengolahan Sampah Pada Tempat Pengolahan Sampah Terpadu (TPST) Selopuro Kabupaten Ngawi Kurnia Sari, Hanna Putri; Rosariawari, Firra; Maroeto; Krisnawati, Anik
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Waste is the residual result of daily human activity that is no longer wanted and that needs to go through a good treatment process so that it does not cause problems for the environment. The increase in waste generation is due to the high consumption of people and the increase in population growth. The increase in the amount of waste generation will certainly lead to an increase in the amount of waste entering the final processing site or landfill and will affect the life of the landfill itself. Therefore, the construction of the TPST is a solution to reduce the amount of waste going to the landfill and increase the amount of integrated waste processing in Ngawi Regency. This study aims to analyse the waste processing process at TPST Selopuro, Ngawi Regency and to see the results of the waste processing process at TPST Selopuro and the waste processing methods applied at TPST Selopuro. The data collection method includes primary and secondary data, and the results include data on incoming waste generation and data on the results of the waste processing process at the integrated waste management site.
PENERAPAN KONSEP PENGELOLAAN SAMPAH RUMAH TANGGA DENGAN METODE 5R (REDUCE, REUSE, RECYCLE, REPLACE, AND REPLANT) BERBASIS MASYARAKAT DI WILAYAH KEBRAON KOTA SURABAYA Kristianto P, Alfredo; Rosariawari, Firra
Envirous Vol. 2 No. 2 (2022): Jurnal Envirous
Publisher : UPN "Veteran" Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/envirous.v2i2.112

Abstract

Pengelolaan sampah dengan konsep 5R (Reduce, Reuse, Recycle, Replace, and Replant) merupakan salah satu metode yang dianggap kompleks dalam menangani masalah persampahan yang ada di wilayah perencanaan. Metode 5R dengan melibatkan peran serta masyarakat akan dapat menekan laju timbulan sampah yang terjadi di wilayah penelitian. Analisa data dengan metode analisa korelasi untuk menunjukkan korelasi yang cukup baik antara peran serta masyarkat dalam mengelola sampah dengan reduksi sampah yang dihasilkan. Data penelitian menunjukkan bahwa dengan metode 5Rmasyarakat dapat mereduksi sampah sebanyak 40.83% sampah yang dihasilkan oleh masyarakat dengan kata lain peran serta masyarakat dalam melaksanakan konsep 5R dapat menjawab permasalahan dari banyaknnya timbulan sampah rumah tangga yang menjadi sumber timbulan sampah utama di wilayah Kebraon, Kota Surabaya.
PEMANFAATAN SEDIMEN SELOKAN SALURAN AIR DI DINOYO SURABAYA SEBAGAI CAMPURAN MEDIA TANAM GUNA MENDUKUNG URBAN FARMING YANG RAMAH LINGKUNGAN Serenai, Fabian Pascalis; Rosariawari, Firra
Envirous Vol. 2 No. 2 (2022): Jurnal Envirous
Publisher : UPN "Veteran" Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/envirous.v2i2.125

Abstract

Pengerukan sedimen oleh Dinas PU Bina Marga dan Pematusan Surabaya menghasilkan lumpur sedimen sebanyak 595.040 m3/tahun. Pemanfaatan sedimen dimaksudkan agar dapat menambah nilai potensi sedimen sebagai media tanam pertamanan atau pertanian kota, penelitian ini bertujuan untuk mengetahui pengaruh sedimen sebagai media tanam dengan mencampurkan hasil pengolahan limbah lainnya yakni kompos hijau sertacocopeat menggunakan variasi 1:1:1, 1:3:1, 1:5:1, uji vegetatif persemaian Capsicumfrutescens selama 2 minggu, dan respon terhadap penambahan pupuk NPK. Hasilpenelitian setelah dilakukan pretreatment pengeringan, penumbukan, pengayakanmenunjukkan perbandingan campuran terbaik adalah 1:1:1 dengan hasil akhir parameter C 3,58 %, N 0,31%, P 0,02%, K 1,63%, KTK 43,92 emol/kg, C/N 21, pH 8,55, tidak toksik dengan persentase penghambatan benih tumbuh 4%, pertumbuhan persemaian optimal dan kehilangan nutrisi yang lebih rendah. Penelitian menunjukkan sedimen dapat digunakan sebagai substrat campuran media tanam yang lebih ramah lingkungan dalam jangka panjang.
PENYISIHAN TSS DAN KEKERUHAN AIR PERMUKAAN DENGAN PROSES KOAGULASI SISTEM HIDROLIS Novianto, Dwi Agus; Rosariawari, Firra
Envirous Vol. 3 No. 1 (2022): Jurnal Envirous
Publisher : UPN "Veteran" Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/envirous.v3i1.62

Abstract

Kondisi air baku semakin memburuk akibat meningkatnya pencemaran terhadap sumber daya air, yaitu air permukaan atau air sungai. Metode pengolahan air baku yang dapat diterapkan sangat beragam, salah satunya pengolahan secara fisik dan kimia, yakni dengan proses koagolasi flokulasi yang dilanjutkan dengan proses pengendapan dengan menggunakan Koagulan Poly Aluminium Chloride (PAC) . Tujuan dari penelitian ini untuk mengetahui pengaruh variasi jenis dan konsentrasi koagulan pada proses koagulasi sistem hidraulis terhadap kekeruhan air pada air sungai dan mengetahui pengaruh waktu pengendapan pada proses koagulasi sistem hidraulis terhadap kekeruhan Bono Pabean, Sedati-Sidoarjo. Hasil yang didapatkan pada penelitian ini dengan penggunaan parshall flume dengan ukuran leher 2,54 cm didapatkan debit optimal 12 L/menit dengan waktu sampling 120 menit. Debit tersebut memiliki gradien kecepatan (G) 2427/detik, bilangan Froude (NFr) 3,84 dan bilangan Reynold (NRe) 8683. Sedangkan dosis koagulan yang optimal dalam pengolahan ini, yakni 130 mg/L dan efektivitas yang diperoleh pengadukan secara hidraulis dengan menggunakan parshall flume dan baffle channel, berhasil menyisihkan 2,25% parameter kekeruhan.
Co-Authors Addzikri, Ahmad Iqbal Ali, Munawar Almadhany, Muhammad Azzahra, Maulayya Fatimah Badi'ah, Roudlotul Cahyani, Nurilita Amalia Damara, Rino Dwi Arman Prasetya Dyani, Olla Kemala Edy Mulyadi Euis Nurul Hidayah Eva Oktavia, Eva Faradina, Nasilla Aulia Hendrasarie, Novirina Hikmah Ayu M, Restu Ishthifaiyah, Ihya Nidarul Jariyah Jawwad, Muhammad Abdus Salam Kasih, Bunga Cinta Krisnawati, Anik Kristianto P, Alfredo Kurnia Sari, Hanna Putri Maharani, Cahya Nova Putri Maroeto Maroeto Murti, Restu Hikmah Ayu Nisa', Syadzadhiya Qothrunada Zakiyayasin Nisa, Syadzadhiya Qothrunada Zakiyayasin Novembrianto, Rizka Novianto, Dwi Agus Nurrahma, Anisa Okik Hendriyanto Cahyonugroho Oktavianto, Achmad Afandi Pamungkas, Lestari Ayu Septian Praditya Sigit Ardisty Sitogasa Ramadeandra, Shafa Azzahra Rhomadhoni, Muslikha Nourma Rizki, Azizah Mahirah Romadon, Syahrul Rositasari, Putri Redita Sagita Rochman Serenai, Fabian Pascalis Shalsabila, Marshanda Afifa Sholikin, Mohamad Siti Nuurlaily Rukmana, Siti Nuurlaily Suhada, Aisyah Ramadhanti Susanti, Laila Wahyu Tampubolon, Debora Rousyella Saulina Thohiroh, Mubayyinatuth Utami, Atikah Margi Wibowo, Mohammad Bintang Wiwik Handayani Yunia Dwie Nurchayanie