The Investigation on Mineral Wool Performance as a Potential Filter to Remove TSS in Cikapayang River, East Jawa, Indonesia

Prayogo, Wisnu; Siregar, Januar Parlaungan; Soewondo, Prayatni; Nasution, Zulkifli; Hanami, Zarah Arwieny; Ikhwali, M. Faisi; Estim, Abentin; Suryawan, I Wayan Koko

doi:10.32526/ennrj/21/202200118

Cited by 4 publications

(7 citation statements)

References 20 publications

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“…In the dry season the average is 77 mg/L with a minimum value of 10 mg/L and a maximum value of 179 mg/L. These differences are caused by the dilution from rainwater Prayogo et al (2023). Therefore, the average measured COD value is smaller than in the dry season for each measured sample volume.…”

Section: Effect Of Different Supporting Mediamentioning

confidence: 93%

“…On a laboratory scale, mineral wools could remove TSS, total nitrogen, total phosphate, and COD by 85%, 87%, 71% and 79%, respectively, in preliminary tests using a PFR reactor (Aphirta et al, 2020). In turn, on a field scale located in Cikapayang River, mineral wool could remove pollutants with COD removal percentage of 38-50%, TSS of 30-33%, total phosphate of 23-28%, and total nitrogen of 39-49% (Prayogo et al, 2023). COD removal modeling is carried out to determine the dimensions of the mineral wool that must be installed on the river body with a certain pollutant load level.…”

Section: Introductionmentioning

confidence: 99%

“…Thus, what has been done by previous people is still very shallow. A study by Prayogo et al (2020) and Prayogo et al (2023) is still limited to knowing their abilities to monitor results using general parameters, as has been done by Aphirta et al (2020). The three most updated studies for mineral wool are because this is the latest research to try to remove pollutants from water streams.…”

Section: Introductionmentioning

confidence: 99%

“…The presence of oxygen causes the aerobic oxidation process to take place, organic materials will be converted into relatively stable final products and the rest will be synthesized into new microbes(Subroto et al, 2022). According toPrayogo et al (2020) andPrayogo et al (2023), biofilms on a supporting media usually take 30-40 days to grow optimally.…”

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confidence: 99%

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Organic Removal in the Water Body as the Effect of Mineral Wool Installation

Fathuna¹,

Soewondo²,

Prayogo³

et al. 2023

J. Ecol. Eng.

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In previous studies, the use of mineral wools as an onsite-supporting media in water bodies showed satisfactory results in removing organic pollutants. However, the analytical method chosen is still very conventional. This study aimed to model the removal of organic pollutants represented by the COD value to determine the mineral performance. The data used in this study included field scale data using two types of mineral wools, namely type I (density 80 kg/m 3 and water retention 95%) and type II (density 120 kg/m 3 and water retention 92%). There are form variations of mineral wool namely cubes and blocks on each type, which are placed in segments 2, 4, 8, and 9, respectively, on the Cikapayang River. The modeling results show that the most optimal type of mineral wool to remove COD is type II mineral wool-cube form at segment 4 using the first order kinetics equation. The reaction coefficient (k) obtained is 0.5378/s, standard deviation value is 14.532 mg/L COD, and the coefficient of determination is 0.1025. The kinetics value of the reaction removal and equations obtained were used to perform modeling in Matlab R2020b application to determine the dimensions of the mineral wool required to remove pollutants.

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Section: Effect Of Different Supporting Mediamentioning

confidence: 93%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

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Organic Removal in the Water Body as the Effect of Mineral Wool Installation

Fathuna¹,

Soewondo²,

Prayogo³

et al. 2023

J. Ecol. Eng.

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“…Every time it rains, Taduan Street in Medan Tembung, Medan City, frequently floods. Every year, because of the accumulation of household garbage in the drainage channels, floods of up to 20 to 80 cm occur (Prayogo et al, 2023). Eventually, the waterway was unable to dispose of runoff water effectively.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of an Urban Drainage System in a Big City

Prayogo,

Rahmadani,

Wibowo

et al. 2023

JTEP-L

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Population growth has led to increased runoff and wastewater flowing into drainage channels. This study, therefore, aims to evaluate the drainage capacity of selected channels in Medan City and whether they can still serve the community in the next 10, 20 and 30 years. The observed channel starts from Taduan Street No. 1 to Taduan Street No. 153, with a length of 1,000 m. This evaluation considers population growth, the volume of domestic wastewater, the volume of runoff, the generation of sediment in channels, and evapotranspiration as part of the water cycle. Monthly maximum rainfall data from 2012-2021 from the BMKG Sampali Medan and population data along Taduan are used in the review in this article. Based on the investigation, it is known that the volume of drainage on Taduan Street is no longer able to serve the community even for 2032. It is necessary to review and redesign the dimensions to ensure that wastewater from household activities and runoff does not have a negative impact, especially during the rainy season. With as many as 48 injection wells and the Watershed expansion, it is expected to reduce inundation. Keywords: Drainage channel, Domestic wastewater, Evaluation, Medan, Rainwater

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Ferrihydrite-Chitosan Nanocomposite as a Recyclable Flocculant for Palm Oil Mill Effluent

Jumadi,

Kamari,

Abdul Rahim

et al. 2024

Jurnal Teknologi

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In the present study, ferrihydrite-chitosan nanocomposite (FCN) was successfully produced by co-precipitation method and used for the first time as a recyclable flocculant for pre-treatment of palm oil mill effluent (POME). The physicochemical properties of FCN were studied using Raman spectrometer, Scanning Electron Microscope (SEM) and Thermogravimetric Analyser (TGA). The feasibility of FCN to remove total suspended solids (TSS), turbidity, chemical oxygen demand (COD), and, oil and grease (O&G) from POME was investigated using a jar test method. The optimum conditions for contaminant removal from POME were determined by varying the experimental parameters such as flocculant dosage, solution pH and settling time. The results obtained showed that FCN, at a dosage of 1.5 g/L, a contact time of 60 min and pH of 5.0 gave a highest reduction of turbidity, TSS, COD and O&G levels by 72.38%, 77.32%, 71.60% and 53.40%, respectively. Besides that, FCN exhibited a better flocculation performance as compared to alum and chitosan. After three cycles of flocculation/deflocculation process, FCN retained satisfying flocculation efficiency and flocculants recovery in the range of 80-83% and 43.2-78.6%, respectively. Combination of charge neutralisation and polymer bridging was the main key mechanism of interaction between FCN and POME contaminants. The synergy effect between iron oxide/oxyhydroxide nanoparticle and chitosan has increased the physicochemical properties and flocculation performance of the FCN nanocomposite. Overall, FCN nanocomposite can be used an alternative flocculant for POME treatment.

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The Investigation on Mineral Wool Performance as a Potential Filter to Remove TSS in Cikapayang River, East Jawa, Indonesia

Cited by 4 publications

References 20 publications

Organic Removal in the Water Body as the Effect of Mineral Wool Installation

Organic Removal in the Water Body as the Effect of Mineral Wool Installation

Evaluation of an Urban Drainage System in a Big City

Ferrihydrite-Chitosan Nanocomposite as a Recyclable Flocculant for Palm Oil Mill Effluent

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