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Al-Ard: Jurnal Teknik Lingkungan
Published by Universitas Islam Negeri Sunan Ampel
ISSN : 24608815     EISSN : 25491652     DOI : http://jurnalsaintek.uinsa.ac.id/index.php/alard/o
Core Subject : Social,
Environmental Science
Al Ard Jurnal Teknik Lingkungan publish articles on environmental engineering from various perspectives, covering both literary and fieldwork studies.
Arjuna Subject : -
Articles 8 Documents
 1 
Search results for , issue "Vol. 10 No. 1 (2024): September" : 8 Documents clear
Analisa Tingkat Kebisingan di Area Kerja PLTD Rema Kabupaten Gayo Lues Anas, Adian Aristia; Zakaria; Darnas, Yeggi; Humaira , Nurhadia
Al-Ard: Jurnal Teknik Lingkungan Vol. 10 No. 1 (2024): September
Publisher : Department of Environmental engineering, Faculty of Science and Technology, Islamic State University Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/alard.v10i1.1956

Abstract

Noise pollution is a major concern in companies. The utilization of machines to support a production activity in factories or indutries can cause unwanted noise. PLTD Rema is one of diesel power plant companies in Gayo Lues regency which has been running for 18 years. Diesel engines at PLTD Rema will certainly cause noise that disrupt the workers’ hearing. The aims of this study are to identify the noise level, map noise, and examine workers' insights of noise in the area of PLTD Rema. This study shows that the highest noise level of 91.3 dBA lies at sampling point 1. Meanwhile, the lowest value of noise level of 68 dBA lies at sampling point 12. If all of the results of the noise level evaluation at 12 sampling points are evaluated with the Regulation of the Minister of Manpower and Transmigration No. 13 of 2011, the noise levels acquired are unthreatening for all PLTD Rema’s empolyees, except for the area of diesel engines. Moreover, the mapping of noise levels using urfer 13 software consists of 5 different colours (green, blue, red, yellow, and orange). The last one, the workers' perception towards noise has been accepted or H0. Therefore, the noise produced at PLTD Rema has no impact to thier workers’ performance.
Pengolahan Air Gambut Menggunakan Magnetit dan Filtrasi Dengan Pasir Kerang Asbanu, Govira Christiadora; Kadaria, Ulli
Al-Ard: Jurnal Teknik Lingkungan Vol. 10 No. 1 (2024): September
Publisher : Department of Environmental engineering, Faculty of Science and Technology, Islamic State University Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/alard.v10i1.1985

Abstract

Peat soil is composed mainly of organic matter, which directly impacts on the water quality in peatlands. The water in peatlands, also known as peat water, is high in organic matter, low in pH, and brown in colour. To make it suitable for daily use, such as bathing and toilet flushing, peat water must be treated. This research aims to treat peat water using Fe3O4 to reduce organic matter and a filtration process with shell sand to overcome pH and turbidity issues. The research results showed that the maximum dose of Fe3O4 to reduce turbidity is 0.0002 g/mL. Higher doses of Fe3O4 were found to increase turbidity due to the dissolution of Fe in peat water. The filtration process of peat water treated with Fe3O4 in improved pH levels that meet the quality standards. However, it also increased the turbidity due to the dissolution of fine shell sand particles in the peat water. To obtain the best conditions for effective adsorption of particles that cause turbidity, pH conditioning must be carried out before adding Fe3O4. It is also necessary to standardize the particle size of shell sand to minimize the dissolution of fine particles that can increase turbidity.
Identifikasi Kualitas Udara Ambien dan Tingkat Kebisingan di Wilayah Pantai Siring Pagatan, Kalimantan Selatan Sari, Gina Lova; Nurkhaerani, Fatma; Adzillah, Wilma Nurrul
Al-Ard: Jurnal Teknik Lingkungan Vol. 10 No. 1 (2024): September
Publisher : Department of Environmental engineering, Faculty of Science and Technology, Islamic State University Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/alard.v10i1.2105

Abstract

Tourism is an activity that is of concern to Indonesian people, especially beach tourism, such as at Siring Pagatan Beach, Tanah Bumbu Regency, South Kalimantan. This tourism is dominated by culinary, religious, and transportation activities which have an impact on increasing the creative economy of the community. However, these activities also have the potential to cause environmental and health problems due to gas emissions and noise. To avoid the impact, it is necessary to identify and analyze the ambient air quality and noise levels at Siring Pagatan Beach. This study is essential, considering the vast potential and development of tourism activities in the research area, which is close to residential areas. In the study area, the ambient air quality, in terms of total particulates; PM10; PM2.5; NO2; SO2; and CO were measured using Indonesian National Standard No. 19-7119.6-2005 in four locations, while noise levels were carried out in 2 two locations according to Indonesian National Standard No. 8427-2017 in the study area. The results showed that the total amount of total particulates; PM10; PM2.5; NO2; SO2; and CO are 60.23-90.15; 25.07-70.02; 14.66-48.01; 0.95-5.31; 14.46-26.48; and 1917.14-1382.86 g/m3. Meanwhile, the noise obtained was 52.00-52.20 dBA. The value of these environmental components is below the threshold value in Indonesia. However, with ongoing tourism infrastructure development activities, there is the potential for increased pollutant concentrations and noise levels at the research location, which may impact the surrounding community in the long term.
Penurunan Kadar COD dan BOD Pada Limbah Cair PT Candi Jaya Amerta Menggunakan Adsorben dari Abu Layang (Fly Ash) dengan Proses Adsorpsi Secara Kolom Handy, Febry Widiatniko; Juwana, Krishna Rahmad; Sani; Puspitawati, Ika Nawang
Al-Ard: Jurnal Teknik Lingkungan Vol. 10 No. 1 (2024): September
Publisher : Department of Environmental engineering, Faculty of Science and Technology, Islamic State University Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/alard.v10i1.2113

Abstract

PT. Candi Jaya Amerta is an industry that produces fly ash from coal combustion in boilers and wastewater from its production processes. The utilization of fly ash in this industry has not been well optimized, and the wastewater is characterised by elevated concentrations of organic matter, primarily generated from shrimp cracker production. High organic content in wastewater can lead to environmental pollution. Goal of this research is to determine the effect of sampling time on the reduction of Chemical Oxygen Demand (COD) and Biochemical Oxygen Demand (BOD) levels in the wastewater of PT. Candi Jaya Amerta using fly ash adsorbent through a column adsorption process system, employing the Yoon-Nelson, Adam-Bohart, and Thomas approaches. The variables employed in this study are sampling times of 20, 40, 60, 80, and 100 minutes, and adsorbent heights of 9, 13, 17, 21, and 25 cm. The research findings show that the optimal adsorbent height for reducing COD is 21 cm, with a reduction percentage of 88.2705% and a COD adsorption capacity of 7.2593 mg/g at a sampling time of 60 minutes. Meanwhile, the optimal adsorbent height for reducing BOD is 25 cm, with a reduction percentage of 98.1509% and a BOD adsorption capacity of 87.4255 mg/g at a sampling time of 60 minutes.
Transforming River Water Quality Monitoring: An Advanced IoT and Sensor-Based Zubaidah, Tien; Hamzani, Sulaiman; Legowo, Agung Cahyo
Al-Ard: Jurnal Teknik Lingkungan Vol. 10 No. 1 (2024): September
Publisher : Department of Environmental engineering, Faculty of Science and Technology, Islamic State University Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/alard.v10i1.2165

Abstract

Background of this research is river water quality monitoring that crucial to maintaining the sustainability of river ecosystems. In this context, Internet of Things (IoT) technology and sensors have emerged as a promising solution to enhance monitoring efficiency and accuracy. Methodology: This article describes the implementation of IoT technology and sensors for water quality monitoring in the Martapura River, Banjar Regency, South Kalimantan. Water quality parameters such as pH, turbidity, conductivity, temperature, and dissolved oxygen were measured periodically during testing. The results of this research is the developed monitoring system demonstrated satisfactory results in measuring water quality parameters with low deviation and variation levels. Moreover, the System achieved a high uptime rate, even when facing challenges such as sensor errors, WiFi connection disruptions, and power outages. The implementation of IoT technology and sensors in river water quality monitoring has positively impacted monitoring efficiency, accuracy, and reliability. These results emphasize the significant potential of this technology in supporting river ecosystem conservation efforts in the region.
Pengolahan Limbah Cair Tahu dengan Metode Adsorpsi Menggunakan Fly Ash dan Bottom Ash dalam Menurunkan Parameter Amonia Badu, Risti Ristianingsih; Umadji , Nur Inda R.; Ibrahim , Sri Rahmi I.; A. MS. A, Anisyah
Al-Ard: Jurnal Teknik Lingkungan Vol. 10 No. 1 (2024): September
Publisher : Department of Environmental engineering, Faculty of Science and Technology, Islamic State University Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/alard.v10i1.2174

Abstract

Tofu production wastewater contains ammonia which causes problems for aquatic organisms and health issues for humans. The reduction of ammonia levels in tofu wastewater can be achieved using the adsorption process with adsorbent materials such as fly ash and bottom ash. The aim of this research is to identify the effectiveness of fly ash and bottom ash in the adsorption process of ammonia pollutants in tofu wastewater. In this study, each sample was treated with control, 25 grams of fly ash, 50 grams of fly ash, 75 grams of fly ash, 25 grams of bottom ash, 50 grams of bottom ash, and 75 grams of bottom ash. Subsequently, the fly ash and bottom ash were prepared and then activated using sulfuric acid. The reduction of ammonia with fly ash reached 22% at 25 gr, 42% at 50 gr, and 51% at 75 gr. Meanwhile, bottom ash reduced ammonia by 12% at 25 gr, 40% at 50 gr, and 44% at 75 gr. from the ammonia testing results on tofu wastewater, it was found that both fly ash and bottom ash can reduce ammonia levels, but fly ash is more effective than bottom ash.
Pengaruh Proses Biodrying dalam Pemanfaatan Biomasa menjadi Solid Recovery Fuel (SRF) Darojat, Khumaidah; Yusrina, Afifah; Ardhianto, Rachmad; Hendri
Al-Ard: Jurnal Teknik Lingkungan Vol. 10 No. 1 (2024): September
Publisher : Department of Environmental engineering, Faculty of Science and Technology, Islamic State University Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/alard.v10i1.2187

Abstract

In developing countries, municipal solid waste remains a major unresolved problem. One way to manage municipal solid waste is to produce biomass. Biomass management from solid waste involves a natural or mechanically assisted biological drying process using bulking agents. This study employed natural and mechanical biodrying systems with blower assistance and corn starch industrial wastewater bulking agents. A blower expedites the process of reducing waste weight. The reactor with the blower exhibited the largest decrease in water content under the bulking agent addition conditions when the water content fell below 15%. Using a blower in the biodrying process reduces the drying time of biomass raw material by 50% compared to the non-blower method, which takes up to 12 days. 1 L of the bulking agent is the most effective biodrying dose. The percentage carbon value in the biodrying process was 42.02% higher when a bulking agent was used than a non-bulking agent (35.98%) and a blower was not used (40.82%). Including a bulking agent during biodrying enhances the composition's elemental value and speeds up the reduction and evaporation or drying of waste.
Potensi Emisi Gas Rumah Kaca Pengangkutan dan Pengolahan Limbah B3 Infeksius Faskes Surabaya Timur dengan Sistem Dinamik Nengse, Sulistiya; Warmadewanthi, IDAA
Al-Ard: Jurnal Teknik Lingkungan Vol. 10 No. 1 (2024): September
Publisher : Department of Environmental engineering, Faculty of Science and Technology, Islamic State University Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/alard.v10i1.2188

Abstract

Health facilities in East Surabaya consist of 78 facilities, but only 6 have incinerators for processing B3 solid medical waste. Health facilities that do not have incinerators collaborate on transportation and processing with other health facilities that have incinerators or third parties. A dynamic system application is applied to calculate potential Green House Gas (GHG) emissions from the transportation and processing of B3 solid medical waste from health facilities in East Surabaya using a causal loop approach. The research was carried out by measuring medical solid waste generation for 8 days and collecting secondary data. The research includes calculating the weight of medical solid waste and greenhouse gas emissions. The research results show that the weight of medical solid waste increases from year to year with the need for 16 trips per day. The generation of B3 solid medical waste from health facilities in East Surabaya is 5,019 tons/year. With this large generation, the GHG potential from transporting and processing hazardous solid medical waste from health facilities in East Surabaya is 8,200,521 tons CO2e/year.

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