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Shinta Silvia
Andalas University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics

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Analisis Kandungan Total Coliform pada Air Galon dan Higiene Sanitasi Perorangan Operator Depot Air Minum Isi Ulang (Studi Kasus: Kecamatan Koto Tangah, Kota Padang) Nadya Khairannisa Andrizal; Rinda Andhita Regia; Shinta Silvia
Jurnal Daur Lingkungan Vol 2, No 2 (2019): Agustus
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (420.748 KB) | DOI: 10.33087/daurling.v2i2.25

Abstract

This study aims to analyze Total Coliform and its correlations with DAMIU sanitation hygiene in Koto Tangah District, Padang City. The study was conducted by sampling and questionnaires. Samples were obtained from 10 DAMIU consisting of raw water in the reservoir and the production water then carried out in duplicate. Interviews were conducted using questionnaires to DAMIU operators and observations to observe the sanitation of DAMIU. The analytical method used to determine the amount of Total Coliform is the MPN method. The type of question in the questionnaire is the close ended question with the Guttman scale. The results showed that Total Coliform in raw water ranged from 12-64 MPN / 100 ml and production water ranged from 6.2-15 MPN / 100 ml that it did not meet the quality standard limit based on Permenkes 492/2010, which was 0 MPN / 100 ml. After the complementary test, it is known that 50% of raw water samples and 20% of processed water are positive for E. coli bacteria. The results of the questionnaire showed that the personal hygiene on the DAMIU operators were 6.6% at "less" attitude of, 66.7% at "sufficient" and 26.7% at "good". The relationship between sanitation hygiene and Total Coliform in AMIU is inversely proportional and has a very strong correlation with the r value of 0.770 in raw water equipment hygiene, then 0.751 in equipment and production sites hygiene, and 0.831 in personal hygiene of the operator. The personal hygiene of the operator is the most influential aspect among the three aspects seen from the greatest r value.
Analisis Risiko Kesehatan Lingkungan Akibat Pajanan Logam dalam PM 2,5 pada Masyarakat di Perumahan Blok D Ulu Gadut Kota Padang Shinta Silvia; Fadjar Goembira; Taufiq Ihsan; Resti Ayu Lestari; Mohammad Irfan
Dampak Vol 17, No 2 (2020)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/dampak.17.2.1-10.2020

Abstract

ABSTRACT This study aims to analyze the concentration of metals in PM2.5 and the environmental health risks due to metal exposure to residents. The PM2.5 measurement using Low Volume Air Sampler (LVAS) tool with a sampling time of 3; 6; 9 hours. Meteorological conditions were measured by using the PCE-FWS-20 Weather Station tool. Analysis of metal concentrations using the Inductively Coupled Plasma-MS (ICP-MS) tool. The Environmental Health Risk Analysis (ARKL) method was used to estimate the risk of exposure. Based on the measurement results, the concentration of PM2.5 in ambient air was 25.82 µg / Nm3 and in the house was 25.73 µg / m3. The results of PM2.5 concentration measurements did not exceed quality standards based on Republic of Indonesia Government Regulation No.41 of 1999 and Minister of Health Regulation No.1077 of 2011. Three metals (Cr, Ni and Mn) which have RfC and SF values followed by ARKL calculations. The average lifetime Excess Cancer Risk (ECR) value of carcinogenic Cr metal and Ni metal that was ECR> 10-4 means that the concentration of carcinogenic Cr metal and Ni metal in the house were inhaled unsafe for occupants of adult homes and children. The average lifetime RQ value of non-carcinogenic Cr metal and Mn metal shows an RQ value> 1 meaning that the concentrations of non-carcinogenic Cr metal and Mn metal in the house were inhaled insecure for adult respondents and children. Keywords: PM2,5, risk analysis, Cr, Mn, Ni, residential ABSTRAKPenelitian ini bertujuan untuk menganalisis konsentrasi logam dalam PM2,5 dan risiko kesehatan lingkungan akibat pajanan logam terhadap penghuni rumah. Pengukuran PM2,5 menggunakan alat Low Volume Air Sampler (LVAS) dengan waktu sampling 3; 6; 9 jam. Kondisi meteorologi diukur menggunakan alat Weather Station PCE-FWS-20. Analisis konsentrasi logam menggunakan alat Inductively Coupled Plasma-MS (ICP-MS). Metode Analisis Risiko Kesehatan Lingkungan (ARKL) digunakan untuk memperkirakan besarnya risiko pajanan. Berdasarkan hasil pengukuran, konsentrasi PM2,5 di udara ambien yaitu 25,82 µg/Nm3 dan di dalam rumah sebesar 25,73 µg/m3. Hasil pengukuran konsentrasi PM2,5 tidak melebihi baku mutu berdasarkan Peraturan Pemerintah RI No.41 Tahun 1999 dan Peraturan Menteri Kesehatan No.1077 tahun 2011. Tiga logam (Cr, Ni dan Mn) yang memiliki nilai RfC dan SF dilanjutkan penghitungan ARKL. Nilai Excess Cancer Risk (ECR) lifetime rata-rata logam Cr karsinogenik dan logam Ni yaitu ECR>10-4 artinya konsentrasi logam Cr karsinogenik dan logam Ni di dalam rumah secara inhalasi tidak aman bagi penghuni rumah dewasa dan anak-anak. Nilai RQ lifetime rata-rata logam Cr non-karsinogenik dan logam Mn menunjukkan nilai RQ>1 artinya konsentrasi logam Cr non-karsinogenik dan logam Mn didalam rumah secara inhalasi tidak aman bagi responden dewasa dan anak-anak. Kata kunci: PM2,5, analisis risiko, Cr, Mn, Ni, permukiman
Pengaruh Penambahan Gliserol Mentah Limbah Industri Biodiesel Terhadap Produksi Biogas dari Kotoran Sapi Menggunakan Anaerobic Digester Sistem Batch Nelsy Mariza Syahyuda; Fadjar Goembira; Shinta Silvia
Jurnal Ilmu Lingkungan Vol 20, No 3 (2022): July 2022
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.20.3.465-473

Abstract

Biogas adalah gas yang dihasilkan oleh aktivitas anaerobik dalam menguraikan bahan organik dengan kandungan utama metana (CH4) dan karbon diokasida (CO2). Penelitian ini bertujuan untuk menganalisis pengaruh gliserol mentah dengan campuran kotoran sapi dalam memproduksi biogas. Digester menggunakan sistem batch skala laboratorium. Variasi pada penelitian ini adalah campuran kotoran sapi dengan penambahan gliserol mentah sebanyak 0, 4, 8, dan 12%. Semua variasi dengan volume total 350 mL. Pengukuran volume biogas dilakukan setiap hari. Pengukuran konsentrasi CH4 dan CO2 diukur menggunakan alat Geotech Biogas 5000 analyzer. Parameter yang diukur adalah COD, BOD, TS dan VS dan untuk pH diukur di awal serta di akhir proses. Suhu lingkungan diukur setiap hari dengan interval waktu selama 30 menit menggunakan alat Weather Station model PCE-FWS 20. Hasil penelitian menunjukkan lama waktu yang dibutuhkan untuk memproduksi biogas adalah 14 hari. Volume biogas tertinggi adalah 836 mL, pada variasi penambahan gliserol mentah 12%. Gliserol mentah yang ditambahkan memiliki COD 475,2 mg/L, BOD 133,22 mg/L, TS 20% dan VS 14,8%. Konsentrasi CH4 tertinggi juga didapatkan dari variasi penambahan gliserol mentah 12% yaitu 44,1%. Sedangkan volume biogas terendah adalah 292 mL pada digester tanpa penambahan gliserol mentah. Konsentrasi CH4 terendah didapatkan pada variasi penambahan gliserol mentah 8% yaitu 15,5%. Identifikasi bakteri yang berperan dalam proses produksi biogas berdasarkan uji biokimia dengan Bergey’s manual adalah genus Bacillus. Bakteri ini berperan dalam proses pendegradasi bahan organik yang ada di dalam digester. ABSTRACTBiogas is a gas produced by anaerobic activity in decomposing organic matter with the main content of methane (CH4) and carbon dioxide (CO2). This study aims to analyze the effect of crude glycerol with a mixture of cow dung in producing biogas. The digester used in this research was a laboratory-scale batch system. The variation in this study was a mixture of cow dung with the addition of 0, 4, 8, and 12% crude glycerol. All variations with a total volume of 350 mL. The measurement of the biogas volume was carried out every day. Measurements of CH4 and CO2 concentrations were measured using a Geotech Biogas 5000 analyzer. The COD, BOD, TS, and VS, and pH parameters were measured at the beginning and the end of the process. With parameters COD 475.2 mg/L, BOD 133.22 mg/L, TS 20%, and VS 14.8%. The ambient temperature was measured every 30 minutes using a PCE-FWS 20 Weather Station model. The results showed that the length of time needed to produce biogas was 14 days. The highest biogas volume was 836 mL, when 12% cured glycerol was added. The highest CH4 concentration of 44,1% was also obtained from variations in the addition of 12% crude glycerol. The lowest biogas volume of 292 mL was obtained from the absence of crude glycerol in the reactor. The lowest CH4 concentration was found in the variation of the addition of 8% crude glycerol, namely 15.5%. Identification of bacteria that play a role in the biogas production process based on biochemical tests using Bergey's manual is the Bacillus genus. These bacteria contribute in these bacteria contribute in organic matter degradation inside the digester.
Analisis Iklim Keselamatan Kerja dan Pengaruh Karakteristik Responden pada Bagian Produksi di PT. X Shinta Silvia; Taufiq Ihsan; Ivana Azalya Rizky
Jurnal Serambi Engineering Vol 5, No 3 (2020)
Publisher : Fakultas Teknik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32672/jse.v5i3.2079

Abstract

This study aims to analyze the work safety climate in the production section of the X Company, crumb rubber industry in Padang City. Respondents were workers in the production section which consists of managerial, wet and dry production. The workers were interviewing and filling in the questionnaire namely a questionnaire with the Nordic Occupational Safety Climate Questionnaire (NOSACQ-50) method. The NOSACQ-50 method consists of 7 dimensions, Research shows that the value of work safety climate in 7 dimensions are 3.31; 3.30; 3.17; 3.28; 2.98; 3.33 and 3.21 and has an average value of 3.23 which is a very good category on a scale of 3-4. There is one dimension, namely the fifth dimension which is still in the good category of 2.98. The characteristics of respondents include age groups, years of service, education, job titles and work sections. Each group of respondents' characteristics was proven to have an influence on work safety climate where there were significant differences in perceptions between groups. The solutions for improvement based on safety climate measurement are to increase knowledge about work safety, takes strict action to implement the use of PPE in the production area, and make periodic checks on all production equipment.
Penyisihan Nitrogen dengan Proses Anammox Menggunakan Lumpur Muara Penjalinan Kota Padang sebagai Inokulum: Nitrogen Removal by Anammox Process Using Sludge from Muara Penjalinan of Padang City as Inoculum Faldi Lulrahman; Shinta Silvia; Zulkarnaini Zulkarnaini
Jurnal Teknologi Lingkungan Vol. 23 No. 2 (2022)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1923.776 KB) | DOI: 10.29122/jtl.v23i2.5284

Abstract

The purpose of this study was to analyze nitrogen removal by anaerobic ammonium oxidation (anammox) process using sludge from Muara Penjalinan Padang as an inoculum in a filter bioreactor (FtBR). The configuration of FtBR consisted of a housing filter with an effective volume of 1,500 mL and a string wound filter cartridge of 0.5 µm as a carrier for the growth of anammox bacteria. The artificial wastewater was made using seawater containing ammonium and nitrite with a concentration of 70 mg-N/L, which was delivered to the reactor continuously with a hydraulic retention time (HRT) of 24 hours. Influent and effluent samples were collected once-twice a week to analyze the concentration of ammonium, nitrite, and nitrate, based on Nessler, spectrophotometry, and UV screening methods. Process anammox takes place in FtBR based on the average ratio of ?NO2--N/?NH4+-N and ?NO3--N / ?NH4+-N of 0.986 dan 0.239. The nitrogen removal performance was calculated based on the ammonium conversion efficiency (ACE), nitrogen removal efficiency (NRE), nitrogen loading rate (NLR), and nitrogen removal rate (NRR). After operating the reactor for 143 days, the nitrogen removal of ACE, NRE, and NRR were 20.268%, 16. 872%, and 0.026 kg-N/m3·d at NLR 0.1804 kg-N/m3·d. Keywords: Anammox, Filter bioreactor, Muara Penjalinan, Seawater, Sludge ABSTRAK Anaerobic ammonium oxidation (anammox) merupakan penyisihan amonium menjadi gas nitrogen menggunakan nitrit sebagai penerima elektron dan berkontribusi dalam penyisihan nitrogen di lautan. Penelitian ini bertujuan untuk menganalisis penyisihan nitrogen melalui proses anammox menggunakan lumpur Muara Penjalinan Kota Padang sebagai inokulum pada filter bioreactor (FtBR). Konfigurasi FtBR terdiri atas housing filter dan string wound filter cartridge sebagai media lekat untuk pertumbuhan biomassa anammox yang dioperasikan secara kontinu dengan hydraulic retention time (HRT) 24 jam pada suhu ambien. Limbah artifisial dibuat menggunakan air laut yang dengan menambahkan 70 mg-N/L amonium dan nitrit masing-masingnya yang dipompakan ke reaktor secara kontinu. Pengambilan sampel influen dan efluen dilakukan satu hingga dua kali dalam seminggu untuk pengukuran konsentrasi amonium, nitrit dan nitrat berdasarkan metode Nessler, spektrofotometri, dan skrining spektrofotometri ultraviolet. Proses anammox berlangsung dalam reaktor berdasarkan rasio ?NO2--N/?NH4+-N dan ?NO3--N / ?NH4+-N sebesar 0,986 dan 0,239 yang mendekati stoikiometri reaksi anammox. Setelah operasional reaktor selama 143 hari didapatkan kinerja penyisihan nitrogen maksimal ammonium conversion efficiency (ACE), nitrogen removal efficiency (NRE) dan nitrogen removal rate (NRR) berturut-turut 20,268%, 16,872% dan 0,026 kg-N/m3.h pada nitrogen loading rate (NLR) 0,1804 kg-N/m3.h. Kata kunci: Anammox, Filter bioreactor, Muara Penjalinan, Air laut, Lumpur
PENILAIAN RISIKO TERHADAP POSTUR KERJA PADA PEKERJA PABRIK KARET INDONESIA Taufiq Ihsan; Shinta Silvia; Vioni Derosya; Tivany Edwin; Mita Sari Dewi
J@ti Undip: Jurnal Teknik Industri Vol 16, No 2 (2021): Mei 2021
Publisher : Departemen Teknik Industri, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (403.902 KB) | DOI: 10.14710/jati.16.2.116-122

Abstract

Keluhan nyeri muskuloskeletal sering terjadi di tiga pabrik karet remah terbesar yang berlokasi di Padang, Indonesia. Penelitian ini bertujuan untuk menganalisis postur kerja menggunakan metode Rapid Entire Body Assessment (REBA) untuk pekerja di area produksi. Pengambilan data postur karyawan menggunakan bantuan kamera video serta lembar observasi. Responden dalam penelitian ini terdiri dari 135 pekerja area produksi basah dan 213 pekerja area produksi kering. Penilaian REBA menunjukkan bahwa 72,34% dari pekerjaan yang diperiksa termasuk dalam kategori risiko menengah. Skor REBA tertinggi di area produksi basah adalah dalam proses pengeringan alami. Sebaliknya, di area produksi kering, skor REBA tertinggi adalah dalam proses mengangkat kontainer dari truk. Berdasarkan Standar Indonesia No.7269 / 2009 tentang perhitungan beban kerja, ini menunjukkan bahwa pekerjaan di pabrik-pabrik tersebut berada dalam kategori beban kerja sedang dengan pengeluaran energi 200-350 kkal/ jam (46,81%). Hasil uji statistik dari hubungan antara usia, masa kerja, beban kerja, dan area kerja pada pekerjaan postural menunjukkan bahwa beban kerja adalah yang paling terkait dengan postur pekerja. Tindakan untuk memperbaiki postur kerja berdasarkan analisis REBA adalah dengan menyesuaikan posisi alat atau mesin dengan ketinggian tubuh pekerja, memperhatikan waktu kerja, dan waktu istirahat. Yang paling mendesak adalah menggunakan alat saat mengangkat wadah.  Abstract[Risk Assessment of Work Posture In Indonesian Crumb Rubber Factories Workers] Musculoskeletal pain complaints often occur in the three largest crumb rubber factories located in Padang, Indonesia. This study aimed to analyze the work posture using the Rapid Entire Body Assessment (REBA) method for workers in the production area. Retrieval of employee posture data utilizing the help of video cameras and observation sheets. Respondents consisted of 135 wet area workers and 213 dry area workers. The REBA assessment showed that 72.34% of the work examined was included in the medium-risk category. The highest REBA score in the wet area was in the natural drying process. In dry areas, the highest REBA score is in the process of lifting containers from trucks. Based on Indonesian Standard No.7269 / 2009, this shows that work in these factories was in the category of moderate workloads with an energy expenditure of 200-350 kcal/hour (46.81%). Statistical test results from the relationship between age, work-period, workload, and work area on postural work indicated that workload was most related to worker posture. Action to improve postural work was to adjust the position of the tool or machine with the height of the worker's body, pay attention to work time, and rest periods.Keywords: Musculoskeletal, Exposure assessment, work posture, REBA, crumb rubber factories
ANALISIS TOTAL COLIFORM PADA SUSU KEDELAI USAHA KECIL MENENGAH DI KOTA PADANG Shinta - Silvia
Jurnal Sains dan Teknologi Vol 20, No 1 (2021): Jurnal Sains dan Teknologi
Publisher : Fakultas Teknik Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jst.v20.n1.p1-5

Abstract

Beverage production can be contaminated with pathogenic bacteria due to unhygienic processing. Bacteriological conditions can be determined from the presence of Total Coliform. This study aims to examine the Total Coliform contained in soy milk drinks produced by Small and Medium Enterprises (SMEs) in the City of Padang. Tests were carried out on five soy milk processing places in Padang City with three times the frequency of sampling. Total Coliform is calculated using the Most Probable Number (MPN) Method. Total Coliform based on SNI 01-3830-1995 regarding Soybean Milk Quality Requirements is 20 MPN / ml. Analysis of the presence of Total Coliform in the five Small and Medium Enterprises in Padang City is as follows: 1.54 MPN / ml; 3.60 MPN / ml; 2.74 MPN / ml; 41.11 MPN / ml and 4.2 MPN / ml. The results showed that four out of five soybean milk businesses met the quality requirements. Keywords: Soybean Milk, Total Coliform, Small and Medium Enterprises, Padang City
Residential Environment and Parental Lifestyle as Risk Factors of The Co-Occurrence of Cleft Lip and Palate Birth Defect Cases in Indonesia Katharina Oginawati; Intan Nur’azizah Rahman; Nurul Fahimah; Rinaldy Jose Nathanael; Imtiyaz Olaf Jatmy; Taqya Izdihar Muhanandi; Ida Latifah; Andi Tajrin; Ikeu Tanziha; Shinta Silvia; Farah Asnely Putri; Ida Ayu Astuti; Asri Arumsari; Utriweni Mukhaiyar
Journal of Multidisciplinary Applied Natural Science Vol. 5 No. 1 (2025): Journal of Multidisciplinary Applied Natural Science
Publisher : Pandawa Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47352/jmans.2774-3047.232

Abstract

Cleft lip and palate (CLP) are multifactorial birth defects, and the etiology behind their occurrence remains insufficiently understood. This case-control study aimed to investigate the association between residential environmental factors, parental lifestyle, and the risk of CLP in Indonesia. A total of 213 participants from 14 provinces were selected using stratified random sampling. Multivariable logistic regression was employed to determine the odds ratios (ORs) with 95% confidence intervals (CIs) for each risk factor. The study identified significant associations between several residential environmental factors and CLP. Proper kitchen ventilation was found to be protective (OR = 0.245, 95% CI: 0.096–0.624, p = 0.003), while proximity to industrial sites significantly increased the risk (OR = 3.595, 95% CI: 1.029–12.558, p = 0.045). Additionally, using treated drinking water showed a protective effect (OR = 0.39, 95% CI: 0.16–0.95, p = 0.038), whereas concerns about water sources displayed a marginally significant risk increase (OR = 2.841, 95% CI: 0.876–9.211, p = 0.082). Regarding parental lifestyle factors, maternal active smoking exhibited a marginal protective association (OR = 0.052, 95% CI: 0.002–1.09, p = 0.057), while paternal passive smoking presented a marginally significant risk (OR = 2.309, 95% CI: 0.897–5.942, p = 0.083). Furthermore, paternal radiation exposure was associated with an elevated risk of CLP (OR = 3.489, 95% CI: 0.828–14.703, p = 0.089). These findings highlight the need for targeted public health interventions to mitigate environmental exposures and promote safer parental lifestyle behaviors in Indonesia.
Co-Authors Andi Tajrin Asri Arumsari Derosya, Vioni Fadjar Goembira Faldi Lulrahman Farah Asnely Putri Ida Ayu Astuti Ida Latifah Ikeu Tanziha Imtiyaz Olaf Jatmy Intan Nur’azizah Rahman Ivana Azalya Rizky Katharina Oginawati Mita Sari Dewi Mohammad Irfan Nadya Khairannisa Andrizal Nelsy Mariza Syahyuda Nurul Fahimah Regia, Rinda Andhita Resti Ayu Lestari Rinaldy Jose Nathanael Taqya Izdihar Muhanandi Taufiq Ihsan Tivany Edwin Utriweni Mukhaiyar Zulkarnaini Zulkarnaini