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Pemukiman Vertikal Sebagai Upaya Mengatasi Kepadatan Penduduk di Indonesia Jamika, Fadel Ikrar; Monica, Fitrya; Fitri, Marisa Meliana; Syafardi, Zulhendra; Barlian, Eri; Dewata, Indang; Umar, Iswandi; Syah, Nurhasan
Jurnal Kependudukan dan Pembangunan Lingkungan Vol 4 No 1 (2023): Jurnal Kependudukan dan Pembangunan Lingkungan (JKPL)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (698.283 KB) | DOI: 10.24036/jkpl.v4i1.176

Abstract

Permasalahan lingkungan hidup di Indonesia sangat beragam, tak terkecuali terkait dengan masalah kependudukan.Masalah kependudukan diIndonesia memiliki kompleksitas masalah, peluang, dan tantangan tersendiri yang berbeda dengan daerah lain. Masalah utama dalam kependudukan adalah pemukiman. Tujuan dari penelitian ini adalah untuk mendeskripsikan 1) Upaya penyelesaiaan permasalaahan kepadatan penduduk dengan cara adanya program pemukiman vertikal; 2) Pro kontra terhadap adanya pemukiman vertikal; dan 3) Mengetahui pengaruh rumah susun terhadap kualitas hidup penghuninya. Metode yang digunakan adalah kualitatif atau literature review. Pemukiman vertikal adalah permukiman berbentuk rumah susun atau apartemen. Terdapat pro dan kontra dalam perencanaan pemukiman secara vertikal, oleh karena itu pemukiman vertikal harus diperhitungkan dalam perancangan, membuka peluang subsidi silang, memfasilitasi mobilitas internal, dan prioritas bagi penduduk yang memiliki hubungan dekat. Setiap penduduk diberi kebebasan untuk menilai identitas dirinya dalam penataan ruang setiap satuan dan lokasi pembangunan hunian vertikal diharapkan strategis, memiliki sambungan sarana transportasi dan lapangan kerja.
Optimasi Metode Ekstraksi Mikroplastik Polivinil Klorida (PVC) Dengan Wet Peroxide Oxidation (WPO) Deliani, Nur Farida; Dewata, Indang
Periodic Vol 13, No 2 (2024): PERIODIC
Publisher : Departemen Kimia FMIPA UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/periodic.v13i2.125423

Abstract

The increase in plastic production causes an increase in plastic waste in the environment both on land and in waters. Over time, plastic waste will degrade into microplastics in waters. Microplastics in waters are contaminated with organic impurities which can interfere with the identification of microplastics. The method for extracting plastic particles from organic impurities is using wet peroxide oxidation. However, these methods have not been systematically tested and standardized. This research aims to determine the optimum conditions for the extraction method with the addition of wet peroxide oxidation for the identification of PVC microplastics. In this research, a 30% hydrogen peroxide solution was used as an oxidizer and a Fe2+ catalyst as the main ingredient to produce OH radicals which function to oxidize organic impurities and the samples used were PVC microplastics made from grinding PVC plumbing pipes. Determination of optimum conditions was carried out at varying oven temperatures of 70oC, 80 oC, 90 oC, 100oC, dan 110oC, varying concentrations of 0,025 M; 0,05M; 0,075M; 0,1M dan 0,125M and temperature variations at heating 30oC, 45oC, 60oC, 75oC, dan 90oC, as well as testing the optimum extraction method on water samples with water volumes ranging (200, 400, 600, 800, and 1000) mL. The research results showed that the optimum conditions were an oven temperature of 90oC, a Fe catalyst concentration of 0.075M, and a heating temperature of 75oC in the PVC microplastic extraction process resulting in a PVC microplastic mass of 0.3403 grams. Characterization of PVC microplastics was carried out using Primostar 1, FTIR and XRF microscope instruments. Tests using a microscope showed that the form of PVC microplastic was identified, namely fragment form. In the FTIR test, CH2, C-Cl, C-C  peaks were obtained which indicated that the polymer was a type of PVC, apart from that there were N-H bend dan N-H stretching  peaks which indicated the material. The organic impurities are in the form of amine, and in XRF testing the additive elements that make up PVC microplastics are obtained, namely Si, P, Ca, V, Cu, Br, Sr.
Analisis Beberapa Sifat Fisikokimia dari Minyak Goreng Kemasan Hasil Penggorengan Ubi Jalar (Ipomea batatas) Sabrina, Joya; Dewata, Indang; Oktavia, Budhi; Pernadi, Niza Lian; Farhan, Muhammad; Rahmi, Fathaniah Raviqa; Nizar, Umar Kalmar
Periodic Vol 13, No 2 (2024): PERIODIC
Publisher : Departemen Kimia FMIPA UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/periodic.v13i2.124356

Abstract

Cooking oil is a biological mixture derived from plants and consists of a mixture of esters derived from glycerol with fatty acids. The most commonly used cooking oil for cooking by the community is palm oil, because it is easy to obtain and the price is relatively affordable. The main composition of palm oil is triglycerides more than 95% and several other components such as monoglycerides, diglycerides, free fatty acids, phosphatides and sterols. Sweet Potatoes have the main content, namely carbohydrates. In addition to carbohydrates, there are other ingredients such as protein and fat. The purpose of this study was to determine the physicochemical properties of packaged cooking oil from sweet potato frying at a certain time and temperature and to use packaged cooking oil without heating as a comparison. The physicochemical properties of the oil determined include density, flow rate, acid number and saponification number. Bimoli cooking oil from sweet potato frying has a density value of 0.9369 gr/ml, a flow rate of 3.662 ml/s, an acid number of 8.143 mgKOH/gr and a saponification number of 14.305 mgKOH/gr. The results of this study indicate that the results of the physicochemical properties test of packaged cooking oil have a better value than the test results of sweet potato frying oil.
Pengaruh Supporting Electrolyte pada Penentuan Formaldehida secara Voltametri Siklik Menggunakan Au/MWCNT/GCE Annisa, Ananda Suci; Sari, Trisna Kumala; Dewata, Indang; Khair, Miftahul; Suryani, Okta
Periodic Vol 13, No 1 (2024): PERIODIC
Publisher : Departemen Kimia FMIPA UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/periodic.v13i1.124524

Abstract

Formaldehyde was detected electrochemically using a modified glassy carbon electrode with a multi-walled carbon nanotube (MWCNT) and a thin layer of gold (Au). Modification of MWCNT was carried out by drop coating, while modification of the thin layer of gold was carried out by sweeping-potential electrodeposition using the cyclic voltammetry method. The purpose of this study was to develop a formaldehyde sensor using Au/MWCNT/GCE and to determine the optimum conditions of the supporting electrolyte for formaldehyde measurement. The results showed that Au/MWCNT/GCE provided better catalytic activity than GCE, MWCNT/GCE and Au/GCE electrodes in the determination of formaldehyde. The optimum supporting electrolyte obtained was KOH with a test analyte concentration of 10 mM. The oxidation peak of formaldehyde I is at a potential of 0.0264 V and peak of oxidation of formaldehyde II is at a potential of 0.075 V.
Optimasi Ekstraksi Mikroplastik Polystyrene (PS) Dengan Wet Peroxide Oxidation (WPO) Fatma, Winda Faulina; Dewata, Indang; Mulia, Melindra; Alizar, Alizar
Periodic Vol 13, No 2 (2024): PERIODIC
Publisher : Departemen Kimia FMIPA UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/periodic.v13i2.125407

Abstract

Plastic pollution is a global problem that is very dangerous if not handled appropriately and systematically. These plastics can enter the environment and will degrade into microplastics due to environmental factors such as light, temperature and humidity. Microplastics are degraded plastics with a size of <5 mm. This microplastic is very dangerous if ingested by living creatures. One of the impacts can cause digestive disorders, cancer and many more. The aim of this research is to obtain an appropriate method for extracting polystyrene microplastics from water samples. The method used is the WPO (wet peroxide oxidation) extraction method. This method uses two solutions, namely Fe(II) 0,05 M as a catalyst to accelerate the oxidation reaction of impurities and H2O2 30% as an OH• producing material which function to oxidize impurities. In the procedure, variations in Fe(II) concentration and heating temperature were carried out. The optimum results obtained were Fe(II) 0,075 M and a heating temperature of 75°C. Apart from that, microplastic characterization was also carried out using FTIR (Fourier Transform InfraRed). Characterization using FTIR shows that the specific functional groups possessed by polystyrene are C-H bending, C=C stretching and C-H stretching at wave numbers 758 cm-1, 1600,97 cm-1 and 2931,90 cm-1, respectively.
Penentuan pH dan Waktu Kontak Optimum Penyerapan Ion Zn2+ Pada Silika Modifikasi Sulfonat Dwi Putri, Vika Trisna; Oktavia, Budhi; Dewata, Indang; Hardeli, Hardeli
Periodic Vol 13, No 2 (2024): PERIODIC
Publisher : Departemen Kimia FMIPA UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/periodic.v13i2.124370

Abstract

Silica gel is one type of silica that can be used as an adsorbent. Silica gel has the ability to adsorb ions because it has two active sides that can be modified, namely the silanol group and siloxane. Silica modification is carried out to increase the adsorption ability of ions, one of which is Zn2+. In modified silica used 4-amino-5-hydroxy-2,7-naphthalenedisulfonate compounds as modifiers. In binding silica with modifier compounds, glycidoxypropyltrimethoxysilane (GPTMS) is added as a connecting compound. The modified silica was characterized by Infra-red spectrometer (FTIR) which showed the presence of sulfonate functional groups at wave number 1501,11 cm-1. The results of Zn2+ ion absorption with batch method are analyzed with an Atomic Adsorption Spectrophotometer (AAS) and obtained optimum conditions at pH 6 with an adsorption capacity of 1.257 mg/g with an adsorption percentage of 85,12%, at a contact time of 45 minutes with an adsorption capacity of 1.310 mg/g with an adsorption percentage of 71,29% .
Deteksi Formaldehida Menggunakan Glassy Carbon Electrode (GCE) Modifikasi Lapisan Tipis Emas secara Voltametri Siklik Maharani, Indah Kemala; Sari, Trisna Kumala; Dewata, Indang; Warda Ningsih, Sherly Kasuma; Yamesa Away, Romy Dwipa
Periodic Vol 13, No 1 (2024): PERIODIC
Publisher : Departemen Kimia FMIPA UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/periodic.v13i1.124526

Abstract

The formaldehyde was found as one of the toxic and mutagenic products. Long-term exposure will harm the health of the human body. This study aims to detect formaldehyde developed on an electrochemical sensor using Glassy Carbon Electrode (GCE) modified with a thin layer of gold as the working electrode by cyclic voltammetry. Electrode modification was carried out by electrodeposition of Au potential-sweeping on electrodes known as Au/GCE electrodes. The resulting electrode has high conductivity and excellent catalytic activity because it is able to provide a large peak current response. In this study, the optimum conditions will be determined based on variations in the electrodeposition cycles of gold thin films and variations in the supporting electrolyte. The optimum cycle of gold thin film electrodeposition was obtained, namely one cycle and 0.1 M KOH as the optimum supporting electrolyte. The peak current obtained is sharper, the sensitivity and stability are also better due to the electrocatalytic properties produced by the high gold thin layer.
Nearest neighbor analysis of the spread of tuberculosis in Padang Sidiq, Rapitos; Dewata, Indang; Heldi, Heldi; Hayati, Neni Fitra
International Journal of Public Health Science (IJPHS) Vol 13, No 4: December 2024
Publisher : Intelektual Pustaka Media Utama

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijphs.v13i4.24385

Abstract

The rate of Tuberculosis (TB) cases in Padang has never dropped appreciably from year to year. Cases continue to be reported in all working regions of Puskesmas (primary healthcare center) although the precise transmission site is unknown. This study aims to determine the distribution pattern of TB sufferers in 4 Health Center working areas with the highest incidence using nearest neighbor analysis. This quantitative descriptive study used secondary data from the Padang Health Office and 4 working regions of primary healthcare centers from 2022 to March 2023, totaling 938 cases. The evidence is supported by actual observations of the physical conditions of the environment where TB patients live. The investigation of the ArcGIS program discovered that of the 4 working regions of primary healthcare centers. Mapping revealed that all locations showed a cluster pattern of TB transmission. It is hoped that these findings will be useful for health institutions in determining interventions so they can break the chain of TB transmission.
Model of environmental management due to coal mining on the Separi River in Tenggarong Seberang District, Kutai Kartanegara Regency, East Kalimantan Province Efendi, Nur; Barlian, Eri; Syah, Nur Hasan; Dewata, Indang; Arif, Dian Adhetya; Umar, Iswandi
Journal of Degraded and Mining Lands Management Vol. 12 No. 1 (2024)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2024.121.6801

Abstract

Coal mining has a significant impact on reducing river water quality. The decline in river water quality causes problems for human life and the environment. Therefore, this research aimed to evaluate river water quality and develop strategies for improving river water quality due to open pit coal mining activities in Tenggarong Seberang District and develop environmental improvement strategies. Several chemical parameters, including pH, TSS, Fe, and Mn, were observed through laboratory tests to determine water quality in the Separi River used in coal mining. The next step was determining environmental improvement strategies using the ISM approach. Twenty stakeholders from related agencies and institutions using FGD were involved in developing a policy strategy. The results of the analysis showed that there has been a decrease in river water quality standards due to mining activities in the research area, and the quality is still below the standard quality. Therefore, two significant strategies must be a priority for the environmental management of the Separi River. First, Conducting an environmental audit of the factors causing the decline in river water quality is necessary. Second, there must be warnings and legal sanctions for negligence in oil spills and oil used from coal mining.
Identifikasi Mikroplastik Polypropylene (PP) Menggunakan Metode Wet Peroxide Oxidation (WPO) Afriyani, Ratih; Dewata, Indang
Periodic Vol 13, No 3 (2024): PERIODIC
Publisher : Departemen Kimia FMIPA UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/periodic.v13i3.125645

Abstract

Microplastics are plastic waste smaller than 5 mm. The small size of microplastics raises concerns for living creatures because microplastics are very dangerous and widespread in the environment. Polypropylene (PP) microplastics are the most widely used synthetic microplastics. This research was carried out with the aim of finding out the optimum conditions for a method for identifying PP microplastics from waters. This method is Wet Peroxide Oxidation (WPO) because conceptually it is cheaper and simpler. In this research, stages of optimizing oven and heating times and H2O2 concentrations will be carried out to obtain optimal microplastic identification results. Identification uses a stereo microscope to see the shape and color of microplastics, determine the chemical composition from the spectrum which is measured using Fourier Transform Infrared (FTIR) and analyze the material composition and determine the composition of all types of chemicals from plastic particles using X-Ray Fluorescence (XRF). The results of microplastic separation using this method were optimal at an oven time of 18 hours, H2O2 concentration of 30% and heating time of 35 minutes. The results of identification using a microscope showed that the identified microplastics were fragment type microplastics, the colors of the microplastics were transparent and black. The characteristics of functional groups using FTIR show the optimum loss of impurities in the sample. For the XRF test there are additives and heavy metals absorbed from the environment.
Co-Authors Abdul Razak Abdul Razak Abdul Razak Afriyani, Ratih Agung Prayitno Ahmad Fasni Ahmad Fauzan Ahmad Juanda Al Asyary Aldri Frinaldi Alfitri Alfitri Ali Amran Alizar, Alizar Alwi Nofriandi Amini, Aisyah Anaka, Dego Taftazani Ananda Putra Ananda Putra Andromeda Andromeda Annisa, Ananda Suci Aprizon Putra Arif Rahman Hakim Arif Setiawan Arif Setiawan arlian, Eri Arman A Atikah Muthmainnah Aturrahmah, Muthi Aulia Azhar Ayu Azizah Azzahra, Nabila bahari, puja rizki Baqi, Ahmad Iqbal Berliana Salsabila Budhi Oktavia Budhi Oktavia Budhi Oktavia Catri, Indra Christina Lydia Makmur Damanhuri, Harfiandri Dasman Lanin Dedi Agustanto Dedi Hermon Deliani, Nur Farida Delvina, Mery Derjulita, Defika Desy Kurniawati Desy Kurniawati Dewi Fortuna Khairil Dewi, Suci Firma Dian Adhetya Arif dian rizky afriani Dipnorita Retno Dolla Mulyana Harnas Donny Fernandez Dwi Marsiska Driptufany Dwi Putri, Vika Trisna Eddy Suratman Edi Nasra Edwin Musdi Egidia Mayendra Eka Putri, Elinda Eka Sovia Elfandra Fadhli Rabbi Elinda Fithriana Elsa Yuniarti Elvinda, Reza Emra, Auliana Endrizal Endrizal Eni Kamal Eni Kamal Eri Barlian Eri Berlian Erianjoni Erianjoni Exposto, Levi Anatolia S.M. Fadhilah Fadhilah Fadila Gusman Fajriah Azra Fajrin Fajrin Fariani, Alya Fatma, Winda Faulina Fatmawati Fatmawati Fatmawati, Rani Febrina, Suci Febryanti Febryanti Festiyed Fijri, Annisa Nurul Firya Afra Nisa ‘ Il Islam Fitra Arya Dwi Nugraha Fitri Sadilla Fitri, Marisa Meliana Fitriandoni, Adisty Frida Rahmades, Windi Frinsis Warmansyah Frista, Nada Fuji Astuti Febria Geita Yulyan Firel Gustia Dona Maya Handayuni, Linda Hardeli Hardeli Hardeli Hardeli Hardeli Hardeli Hardeli Hardeli Hari Asri, Hazqan Harika Harika Harmedi Yulian Saputra Harnas, Dolla Mulyana Hary Sanjaya Hary Sanjaya Hary Sanjaya Hary Sanjaya Haryeni Hayati, Neni Fitra Heldi heldi heldi Heldi Heldi, Heldi Henny Yulius Henny Yulius Herfien Heri Prabowo Hidayat S, Syaiful HudaAli, Haflatul Hurriyah Hurriyah Hutmi, Rahul I Made Arnawa Ikhsani, Anugrah Putri Ilahi, Afdal Indra Catri Insani, Munadia Isva Abdul Ghani Iswandi - Umar Iswandi U Jamika, Fadel Ikrar Jelibseda Jelibseda, Jelibseda Jon Efendi Juli Manda Sari Kasma Warni Khairi, Jumadil Kristianto, Aloysius Hari Kurniati Kurniati Kusnanda, Arif Juliari Latifa, Jheni Sriayu Latisma Dj Lindawati Lindawati Lismomon Nata Mahalul Azam Maharani, Indah Kemala Mainita, Yosi Putri Maiyesi Yenti Marlini, Rahmida Maruf, Hidayatul Masrid Pikoli Mawardi Mawardi Mawardi Mawardi Meilindri, Rahmi Aulia Melisa Sri Hardianti Meria Ultra Gusteti Meuraksa, Irawati Miftahul Khair Minda Azhar Minda Azhar Minda Azhar Minda Azhar Mira Hasti Hasmira Mona Gusfira Monica, Fitrya Monika Yulia Muchtar, Bustari Muhamad Sholichin Muhammad Fajri Muhammad Farhan Muhammad Habibul Ikhsan Muhammad Hidayat Muhammad Hiknul Ikhsan Muhayatul, Muhayatul Mulia, Melindra Mulya Gusman Munadia Insani Mutia Amran Nasution, Rani Sakila Nasyfrizal Carlo Niza Lian Pernadi Nizar, Umar Kalmar Nizwardi Azka Nofri Yuhelman Nofrianto Nofrianto Nofrianto Nofrianto Nur Azizah NUR EFENDI Nur Efendi Nurhasan Syah Nurlaeli Rachmawati Koerniawan, Rina NURUL HIDAYAH Oktavia, Elfitri Olivia Oktorie Onasis, Aidil Osronita Osronita Pangesti, Dinda Tri Perdani, Agung Sandi Pernadi, Niza Lian Pramesta, Deasycha Novelidia Pudia M. Indika Purnama Wirawan Purnama Wirawan Putra, Surya Eka Putri Ayu Rahadian Zainul Rahayu, Lisa Rahayu, Youngky Gerre Rahmadani Siregar, Dewi Rahman Rahman Rahmatika, Aljumaatul Rahmi Hidayanti Rahmi, Fathaniah Raviqa Rammadani Yusran Rapitos Sidiq Rasli, Amran Md. Rati, Nurila Rembrandit Rembrandt, Rembrandt Riri Rahmahwati Joni Rismiati, Rismiati Robet Triarjunet Romy Dwipa Yamesa Away Rustian, Zikra Putri Ryanda Luthfi Zaim Sabrina, Joya Sadilla, Fitri Safitri, Aprilliana Sakdimah Sakdimah Sandi Perdani, Agung Sandrawati, Neny Sari, Trisna Kumala Sati’at, Nur Anisa Semeidi Husrin Septya Anggraini Serly Mutia Sari Sherly Kasuma Warda Ningsih Sherly Kasuma Warda Ningsih Sholichin, Muhamad Sinaga, Barita Siregar, Dewi Rahmadani Siti Fatimah Siti Fatimah Skunda Diliarosta Skunda Diliarosta Sovia, Eka Sri Benti Etika Suci Atma Hardika Suci Firma Dewi Sugeng Riyanto Sugriarta, Evino Suhendrinal Suparno . Surya Eka Putra Suryani, Okta Suryelita . Susi Erienti Syafardi, Zulhendra Syafarman Syafri Anwar Syafrijon Syah, Nur Hasan Syamsi Aini Syamsul Amar B Syukria Teguh Widodo Trisna Kumala Sari Try Al Tanto Ulianas, Alizar Ulya Amanda Zeds, Dhea Umar Kalmar Nizar Umar Kalmar Nizar Umar Kalmar Nizar Umar, Genius Umar, Iswandi Veronita, Silvi Vina Novela vira maryati Vivi Chaniasi Wahyu Prasetyo Agus Susanto Wilson Novarino Yani, Akhmad Yerimadesi Yerimadesi Yerimadesi Yerimadesi Yohandri Yollafebrisa Wizul Yollafebrisa Wizul Yudi Antomi Yulia Pertiwi, Sari Yuliana Yuliana Yulkifli Yulkifli Yunhendri Danhas Yusuf . Zul Amri Zuldani, Irwan