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TechLINK: Jurnal Ilmiah Lingkungan
Published by Universitas Satya Negara Indonesia
ISSN : 25812319     EISSN : 29877369     DOI : https://doi.org/10.59134/jtnk.v6i02
Core Subject : Health, Science, Social,
Environmental Science Health Professions Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Public Health Social Sciences
JURNAL TechLINK merupakan Jurnal Ilmiah yang menyajikan artikel original tentang pengetahuan dan informasi teknologi lingkungan beserta aplikasi pengembangan terkini yang berhubungan dengan unsur Abiotik, Biotik dan Cultural. Redaksi menerima naskah artikel dari siapapun yang mempunyai perhatian dan kepedulian pada pengembangan teknologi lingkungan. Pemuatan artikel di Jurnal ini dapat dikirim kealamat Penerbit. Informasi lebih lengkap untuk pemuatan artikel dan petunjuk penulisan artikel tersedia pada halaman terakhir yakni pada Pedoman Penulisan Jurnal Ilmiah atau dapat dibaca pada setiap terbitan. Artikel yang masuk akan melalui proses seleksi editor atau mitra bestari. Jurnal ini terbit secara berkala sebanyak dua kali dalam setahun yakni bulan April dan Oktober serta akan diunggah ke Portal resmi Kemenristek Dikti. Pemuatan naskah dipungut biaya sesuai dengan ketentuan yang berlaku
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Ilmu Lingkungan (Lain-Lain)
Articles 100 Documents
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PENGOLAHAN LIMBAH CAIR TEMPE (WHEY) SECARA BIOLOGIS DENGAN Acetobacter xylinum UNTUK DIJADIKAN NATA DE SOYA Nurhayati
JURNAL TECHLINK Vol. 8 No. 2 (2024): Vol. 8 No. 2 (2024)
Publisher : FT-USNI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59134/jtnk.v8i2.660

Abstract

Tempe wastewater still contains organic materials such as protein, fat and carbohydrates that are easily rotten, causing an unpleasant odor and damaging the aquatic ecosystem and environmental aesthetics. Tempe liquid waste contains nutrients (protein, carbohydrates, protein) so that it can be used for other production besides nata. The manufacture of nata de soya is nata derived from tempe liquid waste through a fermentation process using Acetobacter xylinum bacteria with concentrations of 100, 125 and 150 ml / l and sucrose concentrations of 100 gr, 150 gr and 200 gr with a fermentation time of 4 weeks. The parameters of nata de soya research analysis are color, texture, pH, thickness and weight. The results of Nata at a sugar concentration of 100 gr / l obtained the highest weight of 61.2 gr / l and at a sugar concentration of 150 gr / l the lowest weight was 66.7 gr / l while the heaviest nata was 181.7 gr / l at a sugar concentration of 150 gr / l. The average pH is the same, namely 3 and the thickness is between 0.5 to 1 cm, the average texture of all treatments is 20% -30% mm / g.sec. The optimal concentration for making nata de soya is at a sucrose concentration of 150 gr / l and an Acetobacter xylinum concentration of 150 ml / l because the results obtained are quite thick, namely a thickness of 1 cm and a weight of 183.8 gr / l.
ANALISIS EFISIENSI PENGGUNAAN KEMBALI AIR LIMBAH PENCUCIAN SARANG BURUNG WALET DI PT. M Nursari, Savira; Nurhayati; Siregar, Sri RH
JURNAL TECHLINK Vol. 8 No. 2 (2024): Vol. 8 No. 2 (2024)
Publisher : FT-USNI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59134/jtnk.v8i2.661

Abstract

In the swallow nest production process, the fulfillment of water availability is very important. Water is sourced from the company's Water Treatment Plant (WTP), which is then reprocessed with a Reverse Osmosis (RO) machine. The use of water is sought to be as efficient as possible in the company environment. One way is by recycling wastewater. Wastewater is reused from the swallow nest washing process. RO water results were tested in accordance with the Minister of Health Regulation No. 2 of 2023, while wastewater was tested in accordance with the Minister of Environment Regulation No. 5 of 2014. RO water and wastewater results still meet the required quality standards. The wastewater recycling process uses Ultrafiltration (UF) and RO units. The efficiency of water use is 35.59% and in one year it can save expenses of Rp 135,347,182 / year.
FAKTOR-FAKTOR YANG BERHUBUNGAN DENGAN PERILAKU TIDAK AMAN (UNSAFE ACTION) PADA PEKERJA WORKSHOP PT MAJU SELARAS INSTRUMINDO Alfarisie, Muhammad Salman; Kurniawan, Deni
JURNAL TECHLINK Vol. 8 No. 2 (2024): Vol. 8 No. 2 (2024)
Publisher : FT-USNI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59134/jtnk.v8i2.662

Abstract

The aim of the research is to find out and describe factors related to unsafe action in workshop workers. The research was conducted at PT Maju Selaras Instrumindo, Gang Alun RW 002 Larangan District, Tangerang City, Banten. The research was conducted at PT Maju Selaras Instrumindo, Alun Alun RW 002, Larangan District, Tangerang City, Banten. The research was conducted from April to July 2023. The research used a quantitative descriptive method, with a research design using cross-sectional observations. The population of this research is all workshop workers at PT Maju Selaras Instrumindo in 2023. The sampling technique uses saturated sampling. The research sample is 15 workshop workers. Data analysis was performed to test the hypothesis by conducting univariate analysis and bivariate analysis using the Chi-Square test. The results of the univariate analysis research show that knowledge about K3 is predominantly in the good category. Compliance with the use of PPE is dominated by the obedient category. Unsafe action is in the less risky category. From the research findings, it can be concluded that: (1) There is a relationship between knowledge about K3 and unsafe action. This means that the more knowledge about K3 increases, the lower the incidence of unsafe action. (2) There is a relationship between compliance with the use of PPE and unsafe action. This means that the more compliance with the use of PPE increases, the lower the incidence of unsafe action.
THE EFFECTIVENESS OF WATER SPINACH (Ipomea aquatica) IN CONTROLLING THE LEVEL OF SILVER (Ag) IN PHOTOGRAPHIC PROCESSING WASTE LIQUID Yusriani Sapta Dewi
JURNAL TECHLINK Vol. 8 No. 2 (2024): Vol. 8 No. 2 (2024)
Publisher : FT-USNI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59134/jtnk.v8i2.663

Abstract

One of the most hazardous environmental pollutants that existed is silver liquid waste produced in photographic processing. Some types of water plants are believed to be able to absorb organic, inorganic, and other chemical compounds contained in liquid waste, water spinach (Ipoemea aquatica) being one of them. This study aimed to determine the effectiveness of water spinach (Ipoemea aquatica) in controlling silver liquid waste (Ag) contamination in water. The research design used was randomized block design. The data was then analyzed using a particular formula. The results of the study showed that after 15 days of treatment, water spinach (Ipoemea aquatica) was found to be effective in significantly reducing temperature and level of silver (Ag), but not the pH of the waste liquid. The highest effectiveness was observed when fifteen water spinach (Ipoemea aquatica) plants were used; temperature fell 17.90% (1.60% from the control value; and the level of silver (Ag) fell 5.30%
TEKNOLOGI MEMBRAN MIKROFILTRASI (MF) UNTUK PEMURNIAN TOTAL NITROGEN DARI SAMPAH CAIR (LEACHATE) DI TPA WANCI MEKAR KERAWANG Nurhayati; Yadi Supriyadi
JURNAL TECHLINK Vol. 8 No. 2 (2024): Vol. 8 No. 2 (2024)
Publisher : FT-USNI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59134/jtnk.v8i2.664

Abstract

Waste processing is currently being at the level of the government, especially solid waste, while liquid waste (leachate) has not been widely processed. Liquid waste is very disturbing to the environment because of the odor from the decomposition process of microorganisms and a little photolysis process. Leachate will cause the environmental carrying capacity to exceed and the impact of this leachate will continue because the community around the TPA location will use the river water that passes through the area to irrigate rice fields and other plants. Thus, it is necessary to conduct research on liquid waste (leachate) that is dumped into water areas, especially into rice fields, which can be used as liquid fertilizer after knowing the characteristics of the organic content in it using membrane technology. Leachate that has been centrifuged enters the feed tank and is then given a pressure of 1.2.3 Bar and a filter time of 15, 30, and 45 minutes. The results obtained are the performance of the Microfilter membrane so that the leachate flux is high, namely at a pressure of 2 bar with a time of 15 minutes, a flux value of 286 l / m2, hour will be obtained. The highest concentration of total nitrogen value was obtained at a pressure of 1 bar with a time of 15 minutes, which was 1920.800 mg/l. Based on the analysis of diversity on the total nitrogen value, it was obtained that the F count for the pressure factor was 1384.149 and the F count from the Time factor was 1231.843, when compared with the F value from the F distribution list (F table) it turned out that both were very significant as well as seen in the interaction
Efektivitas Model Pembelajaran Kooperatif Dalam Meningkatkan Hasil Belajar Siswa Mandopa, Andi Saputra Mandopa; alwendi; Lela Budiarti; Puspita, Nurkhasanah Rina
JURNAL TECHLINK Vol 9 No 1 (2025): Vol. 9 No. 1 (2025)
Publisher : Fakultas Teknik - Universitas Satya Negara Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59134/jtnk.v9i1.679

Abstract

This study aims to determine the effectiveness of the implementation of cooperative learning models in improving student learning outcomes in certain subjects. This study uses a quantitative method with an experimental design of One-Group Pretest-Posttest Design, where one group of students is given treatment in the form of a cooperative learning model without a control group. The research instrument is a learning outcome test carried out before (pre-test) and after (post-test) the implementation model. The data collected were analyzed using statistical tests to determine the difference in pre-test and post-test scores. The results showed a significant increase in student learning outcomes, with an average pre-test score of 69 and increasing to 89.33 in the post-test after the implementation of the cooperative learning model. This increase indicates that the cooperative learning model not only improves students' understanding of the material, but also increases students' active involvement in the learning process, encourages social interaction, and develops cooperation skills between students. Based on the results of the analysis, it can be concluded that the cooperative learning model is effective in improving student learning outcomes and is feasible to be applied in the learning process in schools. Based on these results, it can be concluded that the cooperative learning model is effective in improving student learning outcomes.
Analisis Konsentrasi Nitrogen Dioksida (NO 2 ) Dan Sulfur Dioksida (So 2 ) dan Hubungannya Dengan Faktor Kelembaban udara dan kecepatan angin Nurhayati; Ramli, Andi Yulianti
JURNAL TECHLINK Vol 9 No 1 (2025): Vol. 9 No. 1 (2025)
Publisher : Fakultas Teknik - Universitas Satya Negara Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59134/jtnk.v9i1.687

Abstract

Urban air pollution has become an issue that requires attention due to air pollution generating nitrogen dioxide (NO2) and SO2 gas. NO2 gas is a fairly dangerous pollutant for human health because it can cause eye irritation and lung discomfort, while SO2 gas can affect the cardiovascular system and cause headaches, low blood pressure, and rapid heartbeat. Therefore, it is necessary to monitor air quality while considering meteorological factors such as humidity and wind speed, which can lead to measurement errors. The average measurement of SO2 at the environmental laboratory location is 28.9 µg/m³, at the Villa Dago residential area the average is 24.2 µg/m³, NO2 gas at the environmental laboratory is 37.1 µg/m³ and at the Villa Dago residential area, the average is 26.8 µg/m³. The humidity at the environmental laboratory location averages 71.7 %RH and at the residential location averages 2.2 %RH. Meanwhile, the average wind speed is 2.0 m/s and the average at the villa Dago residential area is 2.2 m/s. The relationship between SO2 and humidity at the environmental laboratory location has an average correlation (r) of 0.76 with R2 of 0.5714, indicating that the sampling times at 7:00 AM, 1:00 PM, and 5:00 PM show strong correlation at the residential area around the environmental laboratory, with regression equation Y = 34.3 + 1.4x. Meanwhile,  at the villa  Dago residential  area, the  correlation (r) is 0.99,   meaning there is a very  strong   relationship  between the NO2 testing times, with R2 of 1 and  regression  equation Y = 26.4 + 0.2X.
The correlation between environmenta determinants and employee health protocol behavior with symptoms of covid-19 exposure in laboratory companies Nurhidayanto, Dede; Dewi, Yusriani Sapta
JURNAL TECHLINK Vol 9 No 1 (2025): Vol. 9 No. 1 (2025)
Publisher : Fakultas Teknik - Universitas Satya Negara Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59134/jtnk.v9i1.688

Abstract

This study aims to determine the correlation between environmental determinants and health protocol behavior with symptoms of Covid-19 exposure. The research method used was survey with a quantitative approach. The data were analyzed using correlation and multiple linear regression. The research was conducted at Laboratory Companies, South Jakarta, from November to January 2024. The sampling technique used. This study aims to determine the correlation between environmental determinants and health protocol behavior with symptoms of Covid-19 exposure. The research method used was survey with a quantitative approach. The data were analyzed using correlation and multiple linear regression. The research was conducted at Laboratory Companies, South Jakarta, from November to January 2024. The sampling technique used was simple random sampling, and the sample size was 31 employees working at Laboratory Companies, in South Jakarta. The results of a regression analysis was the formula of Y = 36.979 - 0.321X1 - 0.181X2. The results of the significance and linearity test were Fcount 15.92 > Ftable 4.04 at α = 0.05. The correlation coefficient between the physical office environment and employee health protocol behavior with symptoms of Covid-19 exposure  was 0.729, R = 0.53, meaning that the relationship between X1 + X2 and Y is 53%. The results of the study showed that there was a negative and significant relationship between the physical office environment and employee health protocol behavior with symptoms of exposure to Covid-19. was simple random sampling, and the sample size was 31 employees working at Laboratory Companies, in South Jakarta. The results of a regression analysis was the formula of Y = 36.979 - 0.321X1 - 0.181X2. The results of the significance and linearity test were Fcount 15.92 > Ftable 4.04 at α = 0.05. The correlation coefficient between the physical office environment and employee health protocol behavior with symptoms of Covid-19 exposure  was 0.729, R = 0.53, meaning that the relationship between X1 + X2 and Y is 53%. The results of the study showed that there was a negative and significant relationship between the physical office environment and employee health protocol behavior with symptoms of exposure to Covid-19.
Evaluasi kualitas air limbah domestik sekolah internasional dan fasilitasnya di Tangerang Selatan Alfarisie, Muhammad Salman
JURNAL TECHLINK Vol 9 No 1 (2025): Vol. 9 No. 1 (2025)
Publisher : Fakultas Teknik - Universitas Satya Negara Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59134/jtnk.v9i1.689

Abstract

Improper liquid waste treatment will have a negative impact on the environment and will create a dirty, squalid impression and a strong, foul odor. If that happens, it will certainly disturb the surrounding environment. School liquid waste can also stagnate and usually produces a foul odor and can disturb the comfort of the surrounding community. Evaluation of pollutants is carried out by monitoring pH, BOD, COD, TSS, fatty oil and total coliform. The results obtained show that there is 1 of 8 test parameters that provide results that exceed the environmental quality standards determined by the Regulation of the Minister of Environment and Forestry No. 68 of 2016, it can be concluded that the wastewater is not suitable if it is discharged directly into the receiving water body. For this reason, special attention is needed in handling the Total Coliform microbiological parameters. Improve the quality, quantity and professionalism in monitoring and testing wastewater, especially domestic wastewater.
Pemodelan Sistem Informasi Berbasis IoT untuk Optimasi Pengelolaan Sampah Perkotaan (Studi Kasus: Pemantauan Level Tempat Sampah Pintar Hendradi, Prionggo; Wahyono, Agus
JURNAL TECHLINK Vol 9 No 1 (2025): Vol. 9 No. 1 (2025)
Publisher : Fakultas Teknik - Universitas Satya Negara Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59134/jtnk.v9i1.690

Abstract

Penelitian ini mengusulkan pemodelan konseptual sistem pemantauan level sampah berbasis Internet of Things (IoT) untuk mengatasi inefisiensi pengelolaan sampah tradisional. Sistem ini dirancang untuk memfasilitasi pengambilan keputusan yang lebih baik dan mengoptimalkan rute pengumpulan sampah. Metodologi penelitian meliputi identifikasi masalah mendalam terkait pengelolaan sampah konvensional, analisis proses bisnis saat ini, serta perancangan sistem yang diusulkan. Model sistem yang dikembangkan mencakup kerangka konseptual teknologi yang mengintegrasikan sensor ultrasonik untuk akuisisi data real-time, mikrokontroler ESP32/ESP8266 sebagai edge device, protokol komunikasi MQTT, serta platform cloud IoT dan basis data time-series sebagai backend penyimpanan. Data yang terkumpul akan divisualisasikan melalui dashboard pengguna yang menampilkan status kepenuhan tempat sampah pada peta, notifikasi otomatis, dan tren historis. Hasil penelitian ini menyajikan Diagram Arus Data (DFD) Level 0 dan Level 1 yang merinci interaksi sistem dengan entitas eksternal dan sub-proses internalnya. Selain itu, Diagram Entitas-Relasi (ERD) konseptual juga dikembangkan untuk menggambarkan struktur data sistem. Desain mockup dashboard menunjukkan antarmuka yang intuitif untuk pengelola sampah. Dengan demikian, penelitian ini memberikan dasar teoretis dan arsitektural yang kuat untuk pengembangan sistem pengelolaan sampah yang lebih efisien, responsif, dan berbasis data, berkontribusi pada peningkatan kebersihan lingkungan.

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