Jurnal Mahasiswa "ENVIRO"

PENGOLAHAN LIMBAH CAIR DOMESTIK MENGGUNAKAN TANAMAN LIDAH MERTUA (SANSEVIERIA) DENGAN SISTEM HIDROPONIK DEEP FLOW TECHNIQUE

Chindy Tessalonica — 2026-06-30

Domestic liquid waste (grey water) is liquid waste produced from kitchen, bathroom and clothes
washing activities. Wastewater that does not meet quality standards can pollute the environment, so it needs to be treated before being discharged into water bodies. The processing of domestic liquid waste (grey water) is carried out using the phytoremediation method of the snake plant (Sansevieria) using the Deep Flow Technique (DFT) hydroponic system. This method relies on plants to reduce or degrade water-soluble pollutants through the roots. This research aims to analyze the effectiveness of the snake plant (Sansevieria) in reducing BOD and COD values using the DFT hydroponic system. This processing is carried out in stages with the initial stage, namely acclimatization using clean water for 7 days, followed by the RFT (Range Finding Test) stage with variations in waste water concentration of 20%, 40%, 60%, 80% and 100% for 8 days. Next, sample analysis was carried out. Samples are taken for analysis according to the specified detention time, namely 24 hours, 48 hours and 72 hours. The results of the research show that processing domestic wastewater using mother-in-law's tongue (Sansevieria) with a DFT hydroponic system is able to reduce BOD and COD values. Optimum efficiency results were obtained on day 3 with a BOD reduction efficiency percentage of 77% from an initial concentration of 116.4 mg/L to 27 mg/L and a CODconcentration of 71% from an initial concentration of 309.6 mg/L to 90 mg/L.

PEMODELAN KUALITAS UDARA AMBIEN DI KAWASAN SEKITAR PELABUHAN BATU BARA KABUPATEN TAPIN MENGGUNAKAN AERMOD

Ramadhani — 2026-06-30

Loading and unloading activities at the Coal Port in Sungai Puting Village, Tapin Regency, generate particulate emissions such as TSP and PM10, posing risks to both health and the environment. This study aims to model the dispersion patterns of TSP and PM10 around the Coal Port in Sungai Puting Village, Tapin Regency, to provide a scientific basis for pollution control strategies. The dispersion modeling was conducted using AERMOD software, with emission data obtained from PT. Sucofindo and meteorological data from the Climate Data Store. Model validation was performed through field measurements over three days using a High Volume Air Sampler (HVAS). The modeling results indicated that the highest particulate concentrations occurred near the emission Source, peaking at 454.6 µg/m³ for TSP and 246 µg/m³ for PM10, significantly influenced by meteorological factors. Although the measured concentrations at receptor points remained below the ambient air quality standards stipulated in Government Regulation No. 22 of 2021, model validation using the Index of Agreement (IOA) yielded values of 0.99 for both TSP and PM10. These results demonstrate the high accuracy of AERMOD in identifying high-risk areas and its effectiveness as a tool for formulating air quality control policies.

Keywords: AERMOD, TSP, PM10, Coal Port, Air Quality, Particulate Dispersion

PENGOLAHAN LIMBAH DOMESTIK RUMAH MAKAN X KOTA MALANG MENGGUNAKAN MOVING BED BIOFILM REACTOR (MBBR)

Fisardi Galang Adhatia Rochmat — 2026-06-30

Proses pengomposan adalah salah satu metode dalam pengelolaan sampah organik yang
ramah lingkungan dan dapat menghasilkan pupuk alami. Metode pengomposan dapat terbagi menjadi
metode aerob yang dapat mempercepat dekomposisi dengan melibatkan udara dan metode anaerob
yang cocok untuk limbah berbau serta bekerja tanpa udara. Dalam penelitian ini, pengomposan
dilakukan menggunakan sampah sayur dengan tambahan bahan serbuk gergaji dan Mikroorganisme
Lokal (MOL), serta membandingkan efektivitas metode pengomposan aerob dan anaerob. Penelitian
dilakukan dengan empat variasi perlakuan: sampah sayur (SS), sampah sayur + MOL (SSM), sampah
sayur + serbuk gergaji (SSSG), dan sampah sayur + serbuk gergaji + MOL (SSSGM). Parameter yang
dianalisis meliputi kadar air, C-organik, N-organik, dan rasio C/N. Hasil penelitian menunjukkan
bahwa serbuk gergaji mampu menyeimbangkan rasio C/N, meningkatkan aerasi, serta mengontrol
kelembapan, sedangkan MOL nasi basi berperan mempercepat dekomposisi melalui peningkatan
aktivitas mikroba. Kedua metode menghasilkan kompos yang sesuai dengan SNI 19-7030-2004. Metode
aerob lebih cepat mencapai kestabilan dengan kadar air yang rendah dan volume lindi yang sedikit,
meskipun memerlukan pembalikan secara rutin. Sebaliknya, metode anaerob lebih sederhana tanpa
pembalikan dan cocok untuk lahan terbatas, namun menghasilkan lebih banyak lindi dan membutuhkan
waktu dekomposisi lebih lama

PENGGUNAAN LIMBAH BUAH MANGGA SEBAGAI BIOAKTIVATOR ALTERNATIF PADA PENGOMPOSAN SAMPAH BASAH

Diaz Putri Hayu Fania — 2026-06-30

The waste generated at Mergan Market is mostly piled up on the road or collected in communal trash bins placed within the market. The most common waste found at Mergan Market is vegetable waste. An effort to address the waste problem at Mergan Market is through composting. This study aims to determine the effect of adding bioactivators in the composting process to reduce waste at Mergan Market. This research uses the Takakura basket method. The variations in the doses of mango fruit bioactivator used are 250 ml, 350 ml, and 450 ml. The composting process lasts for 14 days. The analysis results show that all three dose variations have the same temperature of 30°C but different pH levels: doses of 250 ml and 350 ml have a pH of 6.9, while the 450 ml dose has a pH of 6.8. Differences are observed in the bioactivator with dose variations of 250 ml, 350 ml, and 450 ml, which have moisture content of 26.92%, 26.97%, and 28.73%, respectively. Organic carbon content is 15.64%, 15.66%, and 16.72%, respectively. Total nitrogen content is 1.16%, 1.19%, and 1.15%, respectively. The C/N ratio is 13.48, 13.16, and 14.54, respectively. All three compost dose variations have met the requirements of SNI 19-7030-2004.

PEMANFAATAN CANGKANG BIJI METE SEBAGAI KARBON AKTIF UNTUK PENURUNAN KADAR BOD, COD DAN TSS PADA LIMBAH GREY WATER DENGAN MENGGUNAKAN METODE FILTRASI

Abdus Shomad — 2026-06-30

Household wastewater that is not properly treated can pollute the environment,
degrade water quality, and burden the capacity of rivers. As a result, the river's ability to decompose
organic matter in the wastewater also decreases. The generated grey water contains a BOD
(Biochemical Oxygen Demand) of 188 mg/L, a COD (Chemical Oxygen Demand) of 377.60 mg/L,
and a TSS (Total Suspended Solids) concentration of 176.6 mg/L. Therefore, it is necessary to treat
grey water before it is discharged into the environment. In this study, the treatment method used is
filtration using coconut fiber, activated carbon from cashew nut shells, and gravel as filter media. The
aim of this research is to analyze the effectiveness of cashew nut shells as activated carbon in
reducing BOD, COD, and TSS in grey water through filtration. The variable used in this study is the
thickness of the filter media. In reactor I, the composition of the media is coconut fiber, cashew nut
shell activated carbon, and gravel (10:10:15 cm), and in reactor II the composition is (15:15:5 cm).
The results of the study showed that grey water treatment using the filtration method was effective in
reducing the concentrations of BOD, COD, and TSS, with reactor II achieving the highest removal
efficiency: 63% for BOD, 63% for COD, and 69% for TSS.

EFISIENSI PENGGUNAAN SERBUK GERGAJI KAYU DAN MIKROORGANISME LOKAL (MOL) NASI BASI DALAM PEMBUATAN KOMPOS SAMPAH SAYU

Dini Febriana — 2026-06-30

The composting process is an environmentally friendly method of managing organic
waste that can produce natural fertilizer. Composting methods can be divided into aerobic, which
accelerates decomposition by involving air, and anaerobic, which is suitable for odorous waste and
works without air. In this study, composting was carried out using vegetable waste with the addition of
sawdust and Local Microorganisms (MOL), while comparing the effectiveness of aerobic and anaerobic
composting methods. The research was conducted with four treatment variations: vegetable waste (SS),
vegetable waste + MOL (SSM), vegetable waste + sawdust (SSSG), and vegetable waste + sawdust +
MOL (SSSGM). The analyzed parameters included moisture content, organic carbon (C-organic),
organic nitrogen (N-organic), and the C/N ratio. The results showed that sawdust was able to balance
the C/N ratio, improve aeration, and control moisture, while MOL from fermented rice accelerated
decomposition by enhancing microbial activity. Both methods produced compost that met the SNI 19-
7030-2004 standard. The aerobic method reached stability faster, with lower moisture content and less
leachate volume, although it required regular turning. In contrast, the anaerobic method was simpler,
required no turning, and was suitable for limited land, but it produced more leachate and required a
longer decomposition time.