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All Journal Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Jurnal Ilmu Lingkungan Jurnal Reka Lingkungan JURNAL TEKNOLOGI LINGKUNGAN Journal of Engineering and Technological Sciences Jurnal Ecolab Creative Research Journal Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Ruwa Jurai: Jurnal Kesehatan Lingkungan Envirotek : Jurnal Ilmiah Teknik Lingkungan Jurnal Teknologi Lingkungan Serambi Engineering

Dirgawati, Mila

Institut Teknologi Nasional Bandung

Author-ID : 1467366

Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Earth & Planetary Sciences Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Public Health Other

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PRELIMINARY ESTIMATION ON AIR POLLUTION LOAD OVER BOGOR CITY TOWARDS DEVELOPMENT OF CLEAN AIR ACTION PLAN Didin Agustian Permadi; Mila Dirgawati; Agung Ghani Kramawijaya; Widi Hermawan
Jurnal Ecolab Vol 14, No 1 (2020): Ecolab
Publisher : Pusat Standardisasi Instrumen Kualitas Lingkungan Hidup Laboratorium Lingkungan (P3KLL)

Emission inventory (EI) data are crucial to provide source apportionment and relative strength of various air pollutant sources in a city. The process of EI compilation can be either bottom-up or top-down, which depends on data availability and other resources. For a city like Bogor, known as a buffer zone of the capital of the Republic of Indonesia, these EI data are now available only for greenhouse gases (GHGs) but not for the air pollutants. Therefore, a top-down EI was designed and implemented for the city in the base year of 2016. Note that the sources of activity data were compiled from the previously arranged GHGs EI database as well as some other data gathered from the local authority. We adopted the EI framework of the Atmospheric Brown Cloud Emission Inventory Manual spreadsheet for the compilation. We included SO2, CO, NO2, PM10, PM2.5, NMVOC, and PM components (black carbon and organic carbon). Point sources, area sources, as well as mobile sources, were considered in the emission estimation. The latter species were included as they are known as strong short-lived climate-forcing pollutants (SLCPs). On-road transport contributed significantly to SO2, NMVOC, and PM2.5, with a portion of 60-86% of the total emission. Industrial combustion sources dominated the shares to the total emissions of NOx (91%) and CO (92%). Based on this baseline information, we then proposed the source wise clean air action plan for the city in order to reduce the emission. A more accurate and up to date EI database should be done through a survey to get local representative activity data and to be compiled on a regular basis.

Evaluation of Regional Domestic Waste Water Treatment Plant Performance in Cimahi City Mila Dirgawati; Mohamad Rangga Sururi; Wili Wiliana; Nining Widiawati
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 18, No 1 (2021): March 2021
Publisher : Universitas Diponegoro

Domestic wastewater treatment plant performance (WWTP) currently refers to stringent wastewater quality standards (Minister of Environment and Forestry Regulation No. 68 of 2016) considering potential environmental degradation because of pollutants in the wastewater. This study evaluated the performance of the Regional Domestic WWTP in Cimahi City. Cimahi has 10 WWTPs which were operated by an Anaerobic Baffled Reactor system. Periodic monitoring only measured the wastewater characteristics after treatment with parameters: total suspended solids (TSS), ammonia, chemical oxygen demand(COD), biological oxygen demand(BOD), and oil and grease. Therefore, wastewater characteristics were measured before and after treatment at selected WWTP during peak and non-peak hours, with TSS, ammonia, and COD. Important hydraulic factors were also measured: flow velocity at peak and non-peak hours, hydraulic detention time, and sludge height. Effluent from all WWTPs did not meet the standard. However, WWTPs with detention time >2 days produced parameter concentrations closed to the maximum value. The selected WWTP has a 5.7days detention time with removal efficiency for COD 57.52%, and TSS 42.56%, during peak period and COD 60.19% and TSS 34.84% for a non-peak period, but ammonia concentration did not decrease. Overall, WWTP has not been able to meet quality standards and the quality.

Utilization of Bottom Ash as an Adsorbent for Color and COD Removal for Textile Industry Waste Pricilla Jihan Fadilla; Mohamad Rangga Sururi; Dyah Marganingrum; Mila Dirgawati
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 19, No 1 (2022): March 2022
Publisher : Universitas Diponegoro

This study investigates the use of bottom ash as an adsorbent with and without chemical activation treatment. This study also determines the effect of pH and stirring speed on the efficiency of bottom ash in the adsorption of color and COD. Bottom ash was ground and sieved by 100 mesh sieves and was activated by hydrochloric acid 2%. The experiments were conducted at pH variations of 6, 8, 10; contact time variations of 30, 60, and 90 minutes; and stirring speeds of 30 and 60 rpm. The most effective adsorption by non-activated adsorbents occurred at the combination of pH six and stirring speed of 60 rpm with the removal efficiency for color 66.30% at a contact time of 90 minutes and for COD 31.55% at a contact time of 30 minutes. While for activated adsorbent, the highest removal for color (77.44%) and COD removal (40.54%) were at pH 6, stirring speed 30 rpm, contact time 30 minutes. The bottom ash was potentially used as an adsorbent for treating wastewater containing high concentrations of color and COD.

Evaluasi Fasilitas Penyediaan Air Bersih Sumur Pompa Tangan (SPT) Audi Anugrah Somali; Firman Apriana Prawira; Helmi Hadi Pratomo; Nisya Raya Deismaya; Mila Dirgawati
Envirotek : Jurnal Ilmiah Teknik Lingkungan Vol. 15 No. 1 (2023): 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.v15i1.17

Kebutuhan air bersih tidak dapat terhindarkan dari kehidupan manusia. Untuk menyediakan air bersih, diperlukan teknologi yang dapat memenuhi syarat 4K (kualitas, kuantitas, kontinuitas, dan keterjangkauan) penyediaan air bersih. Salah satu teknologi yang umum digunakan masyarakat adalah SPT (sumur pompa tangan). SPT merupakan teknologi yang mudah diterima oleh masyarakat karena merupakan teknologi yang sederhana dan ekonomis. Terdapat permasalahan yang timbul dalam pemakaian SPT yaitu pada air yang dihasilkan. Air yang dihasilkan mengalami penurunan dari kualitas yang dapat berpengaruh pada kesehatan penggunanya. Terdapat juga penurunan dari segi kuantitas pada masim kemarau sehingga air tidak dapat mengalir secara kontinu. Perlu adanya evaluasi pada SPT sehingga dapat mengatasi masalah pada kualitas, kuantitas, dan kontinuitas air yang dihasilkan. Metode yang digunakan yaitu melakukan observasi pada SPT dan mengadakan survei pada pengguna SPT. Hasil observasi dan survei kemudian dievaluasi dan dibandingkan dengan literatur terkait. Kesimpulan dari penelitian ini yaitu solusi untuk mengatasi permasalahan yang ada. Solusi yang didapat yaitu penggunaan filter sederhana untuk mengatasi penurunan kualitas air yang dihasilkan dan pendalaman sumur eksisting untuk mendapatkan air dengan kuantitas yang lebih besar pada musim kemarau sehingga dapat dialirkan secara kontinu

Determination of Strategy Planning of Domestic Wastewater Management System in a Commercial Area of Tasikmalaya City Mila Dirgawati; Mohamad Rangga Sururi; Dhama Yudha Suhendar
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 20, No 2 (2023): July 2023
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v20i2.280-294

The domestic wastewater in Cihideung and Tawang Subdistricts as central business district (CBD) areas in Tasikmalaya City is only served by an on-site domestic wastewater management system or Sistem Pengelolaan Air Limbah Domestik Setempat (SPALD-S) which could deteriorate the environment. This study aims to determine the most appropriate type, strategy, and development direction of SPALD based on the existing local conditions for the next 20 years in CBD areas in big cities such as Tasikmalaya. The two methods were used: the multicriteria decision analysis method which refers to the Regulation of the Minister of PUPR Number 04 of 2017, and the Quantitative SWOT analysis method refers to the Guidelines for Preparing a Wastewater Management System Plan. The results of the analysis show that integrated SPALD (SPALD-T) must be implemented aggressively in the two sub-districts based on the key parameters of the existing SPALD conditions, potential for soil contamination, potential danger to air receiving bodies, socio-economic characteristics of the community, public health conditions, education level, financial capability, and the availability of regulations regarding SPALD. The SPALD-T development is suggested to be carried out in stages by determining priority zones for every five years of the planning period.

Hubungan Aerosol Optical Depth (AOD) dengan Materi Partikulat 10 Mikron (PM10): Studi Literatur Mila Dirgawati; Nabila Ayu Larasati
Jurnal Ilmu Lingkungan Vol 22, No 3 (2024): May 2024
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.22.3.704-711

Studi ini mengkaji berbagai penelitian mengenai hubungan aerosol optical depth (AOD) yang diperoleh dari pengukuran data satelit dengan materi partikulat 10 mikron (PM10) hasil pengukuran ground-based di negara dua dan empat musim. Referensi yang digunakan adalah jurnal yang telah dipublikasikan tahun 2013-2022 yang dengan menggunakan Mendeley dan Google Scholar. Hubungan AOD dan PM10 ditinjau dari nilai koefisien korelasi (r) dan koefisien determinasi (R2). Berdasarkan nilai r, ditemukan bahwa hubungan antara AOD dan PM10 di negara dua musim sangat kuat dengan nilai r ≥ 0,80, sedangkan di negara empat musim nilai hubungannya sangat bervariasi, yaitu r = 0,1-0,9 tergantung musim. Hubungan AOD-PM10 di negara dua musim dipengaruhi oleh penggunaan lahan, kegiatan manusia, dan kondisi meteorologi (kelembapan relatif dan temperatur permukaan). Hubungan AOD-PM10 di negara empat musim dapat dipengaruhi oleh kondisi topografi, kegiatan manusia (industri), dan faktor meteorologi dengan kelembapan relatif merupakan faktor yang paling berpengaruh terhadap hubungan AOD dan PM10. Berdasarkan nilai R2 yang dihasilkan, ditemukan bahwa nilai AOD dari data satelit mampu merepresentasikan konsentrasi PM10 lebih dari 70% di negara dua musim dan lebih dari 83% di negara empat musim sehingga nilai AOD dapat digunakan untuk estimasi konsentrasi PM10.

Evaluasi Pengelolaan Limbah cair dan Limbah Padat Bahan Berbahaya dan Beracundi Industri Cat PT.X Verina Elvira; Mila Dirgawati
Jurnal Serambi Engineering Vol. 9 No. 1 (2024): Januari 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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

The manufacturing sector is widespread, and like with any other sector, it generates trash in the course of its operations. According to Government Regulation Number22, all service providers are obligated to engage in management. Finding out what kind of waste management system PT.Xuses is the main goal of this study. The data is gathered from primary and secondary sources. Based on the findings, liquid waste management has achieved a highly effective 99% removal of BOD5 and TSS, while solid waste management has achieved a suitable value of 70.46 percent.The recommendation given is that for liquid waste, test more parameters, not just 3 parameters, and for solid waste, make improvements based on parameters that are not by the applicable references, such as replacing the wastewater treatment plant with a Jumbo Bag, and so on

Evaluasi Pengelolaan Limbah Padat Bahan Berbahaya dan Beracun (B3) Di PT. A Bandung Mila Dirgawati; Dzakiyyah Afifah Aurora
Jurnal Serambi Engineering Vol. 9 No. 1 (2024): Januari 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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As part of its operations, PT A, a corporation specializing in military equipment, generated solid hazardous waste. Their four distinct forms of solid hazardous waste are contaminated hazardous waste, used rags, wastewater sludge, and blasting residue. This study aims to analyze and assess the utilized Guttman scale in order to determine the origins and kinds of hazardous solid waste, as well as its characteristics, quantity, and management system. Based on these findings, recommendations and proposals will be provided. With an 88% score, PT A was deemed "Very Good" according to the findings. It is suggested that workers be educated to raise knowledge about the need to separate household trash from hazardous waste. Additionally, a monitoring system should be put in place to check the process on a regular basis, and decisive action should be taken to create a safer atmosphere.

Analisis Isu Sampah Plastik Laut di Wilayah Pesisir Pantai Kuta Bali Menggunakan Metode DPSIR Lingga Rendragraha Badrukamal; Mila Dirgawati
Jurnal Serambi Engineering Vol. 9 No. 2 (2024): April 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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The issue of the spread of marine debris or " marine litter" is in the global spotlight due to its detrimental impact on ecosystems, humans and marine life. The focus of this research is on the coastal area of Kuta Bali, Indonesia, with the main objective of identifying the factors driving damage to marine ecosystems due to plastic waste. Using the DPSIR (Driving Force, Pressure, State, Impact and Response) method approach, this research analyzes the causes and effects related to this environmental problem, highlighting the pressure generated by marine plastic debris, describing the conditions in coastal areas and evaluating the impacts that arise. The results show that the coastal area of Kuta Beach, Bali, is facing serious challenges related to marine plastic waste that is destroying the environment around Badung Regency. As a prevention and control effort, it is recommended that education and training exist in each coastal area, aimed at increasing public awareness of waste management and the potential dangers of marine plastic waste to the environment, in the hope of creating a safer environment and sustainable coastal environment.

Evaluasi Pengelolaan Limbah Bahan Berbahaya dan Beracun oleh PT B di Bandara Internasional S Tsania Putri Fadhila; Mila Dirgawati
Jurnal Serambi Engineering Vol. 9 No. 2 (2024): April 2024
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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PT B is a company engaged in the business of airport-related services in Indonesia. There are 8 types of hazardous waste generated from S International Airport facilities, including used batteries, oil drums, oil cans, jerry cans, used oil, TL lamps, cloth, and medical cloth. The purpose of this research is to identify the types and sources of hazardous waste, determine the technical and non-technical aspects related to waste management, evaluate the suitability of hazardous waste management, and provide recommendations and suggestions in accordance with regulations related to hazardous waste. The research method used is a combination of the checklist method and the scoring method using a Guttman scale. The results showed that PT B received a score of 73,1 which was categorized as “Good”. Recommendations and suggestions that can be made by PT B to improve the suitability score are to carry out every hazardous waste management activity by referring to the regulations, and to strictly supervise the waste management that has been carries out so that it is always in accordance with the regulations related to hazardous waste management that apply in Indonesia.

Co-Authors Agung Ghani Kramawijaya ANITA NURFITRIYANI Anita Nurfitriyani Annisa Ulfa Zakiyyah Apriani, Gita Nur Ariq, Naufal Asyari, Astien Arsten Audi Anugrah Somali Aulya Amitasyah BILLY YOGA DEWANTO DEWANTO, BILLY YOGA Dhama Yudha Suhendar Didin Agustian Permadi Dwina Roosmini Dyah Marganingrum Dzakiyyah Afifah Aurora Dzakiyyah Afifah Aurora Eka Wardhani Eka Wardhani FADIYAH, MAYANG AFI Firman Apriana Prawira Helmi Hadi Pratomo Hendrajaya, Glenn Lucas Jeremy S. Zebua JULI SOEMIRAT Juli Soemirat, Juli JULINDA DJAFAR Julinda Djafar Karennina Resaryana Eka Putri KIRANA OKTAVIAN Letisa Indah Lestari Lingga Rendragraha Badrukamal Maulana, Yusuf Eka Mohamad Rangga Sururi Muhamad Fahmi Farrij Muhammad Irham Anshari Nabila Ayu Larasati Nico Halomoan Nining Widiawati Nissa Syakira Putri W. Nisya Raya Deismaya Noverly Arisani, Shelly Novi Fitria OKTAVIAN, KIRANA OKTAVIAN, KIRANA Prama Setia Putra Pratama, Achmad Sandy Pricilla Jihan Fadilla Putra, Prama Setia PUTRI PUJIASTUTI Putri Pujiastuti R. Triyogo Ridwan, Yanti Susanti Salma Saamiyah Desnita Sekar Arum Fajriyanti Siti Ainun Sulaeman, Riza Azrilla Suprihanto Notodarmojo Tsania Putri Fadhila TUNING LEINAWATI Tuning Leinawati Verina Elvira Widi Hermawan Widiawati, Nining Wili Wiliana Wiliana, Wili Yusuf Eka Maulana

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