Study of Sludge Accumulation Rate and Sediment Distribution in Kalidami Boezem, Surabaya
Kalidami Boezem is one of Surabaya City’s boezems that is used as a flood control. This boezem can experience silting due to solids that settle from domestic wastewater entering the boezem. This causes decrease in Kalidami Boezem’s volume. The implementation of sludge dredging as boezem maintenance...
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EDP Sciences
2025-01-01
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| Series: | BIO Web of Conferences |
| Online Access: | https://www.bio-conferences.org/articles/bioconf/pdf/2025/08/bioconf_srcm24_05003.pdf |
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| author | Aisyah Umi Nurhayati Ervin Slamet Agus Masduqi Ali Setiadi Soedjono Eddy Djoko Marsono Bowo Arliyani Isni |
| author_facet | Aisyah Umi Nurhayati Ervin Slamet Agus Masduqi Ali Setiadi Soedjono Eddy Djoko Marsono Bowo Arliyani Isni |
| author_sort | Aisyah Umi |
| collection | DOAJ |
| description | Kalidami Boezem is one of Surabaya City’s boezems that is used as a flood control. This boezem can experience silting due to solids that settle from domestic wastewater entering the boezem. This causes decrease in Kalidami Boezem’s volume. The implementation of sludge dredging as boezem maintenance has not been based on accumulation of deposited sludge and sediment distribution. The research included analysis of degradation rate, total solid, and total suspended solid. Sludge sampling was conducted once at inlet, middle, and outlet boezem. Sludge degradation rate was analyzed for 25 days with gravimetric analysis and reaction kinetics approach. Water sampling for sludge accumulation rate analysis was conducted for 7 consecutive days. Sludge accumulation rate was calculated based on the difference in total solid at inlet and outlet. Water sampling for sediment distribution mapping was conducted 3 times a week. Sampling points for sediment distribution mapping amounted to 15 points based on transects 60 m x 30 m. The results of TSS analysis from each transect will be mapped using Surfer 23. Degradation rate of sludge in Kalidami Boezem is 0.0005/day. Sludge occupies 1.65% of the effective storage boezem’s volume with accumulation rate of 1780.484 m³/year. Sediment distribution decreased from inlet to outlet due to settling velocity, flow based on Reynold’s number, settling velocity, flow velocity at each transects point, dredging, and pumping activities. The settling velocity is greater than the water flow velocity so that more solids are sedimented at the inlet of the boezem. |
| format | Article |
| id | doaj-art-a9f77d8948ef4103b8497e94b482779e |
| institution | Kabale University |
| issn | 2117-4458 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | BIO Web of Conferences |
| spelling | doaj-art-a9f77d8948ef4103b8497e94b482779e2025-02-07T08:20:28ZengEDP SciencesBIO Web of Conferences2117-44582025-01-011570500310.1051/bioconf/202515705003bioconf_srcm24_05003Study of Sludge Accumulation Rate and Sediment Distribution in Kalidami Boezem, SurabayaAisyah Umi0Nurhayati Ervin1Slamet Agus2Masduqi Ali3Setiadi Soedjono Eddy4Djoko Marsono Bowo5Arliyani Isni6Department of Environmental Engineering, Institut Teknologi Sepuluh NopemberDepartment of Environmental Engineering, Institut Teknologi Sepuluh NopemberDepartment of Environmental Engineering, Institut Teknologi Sepuluh NopemberDepartment of Environmental Engineering, Institut Teknologi Sepuluh NopemberDepartment of Environmental Engineering, Institut Teknologi Sepuluh NopemberDepartment of Environmental Engineering, Institut Teknologi Sepuluh NopemberDepartment of Environmental Engineering, Institut Teknologi Sepuluh NopemberKalidami Boezem is one of Surabaya City’s boezems that is used as a flood control. This boezem can experience silting due to solids that settle from domestic wastewater entering the boezem. This causes decrease in Kalidami Boezem’s volume. The implementation of sludge dredging as boezem maintenance has not been based on accumulation of deposited sludge and sediment distribution. The research included analysis of degradation rate, total solid, and total suspended solid. Sludge sampling was conducted once at inlet, middle, and outlet boezem. Sludge degradation rate was analyzed for 25 days with gravimetric analysis and reaction kinetics approach. Water sampling for sludge accumulation rate analysis was conducted for 7 consecutive days. Sludge accumulation rate was calculated based on the difference in total solid at inlet and outlet. Water sampling for sediment distribution mapping was conducted 3 times a week. Sampling points for sediment distribution mapping amounted to 15 points based on transects 60 m x 30 m. The results of TSS analysis from each transect will be mapped using Surfer 23. Degradation rate of sludge in Kalidami Boezem is 0.0005/day. Sludge occupies 1.65% of the effective storage boezem’s volume with accumulation rate of 1780.484 m³/year. Sediment distribution decreased from inlet to outlet due to settling velocity, flow based on Reynold’s number, settling velocity, flow velocity at each transects point, dredging, and pumping activities. The settling velocity is greater than the water flow velocity so that more solids are sedimented at the inlet of the boezem.https://www.bio-conferences.org/articles/bioconf/pdf/2025/08/bioconf_srcm24_05003.pdf |
| spellingShingle | Aisyah Umi Nurhayati Ervin Slamet Agus Masduqi Ali Setiadi Soedjono Eddy Djoko Marsono Bowo Arliyani Isni Study of Sludge Accumulation Rate and Sediment Distribution in Kalidami Boezem, Surabaya BIO Web of Conferences |
| title | Study of Sludge Accumulation Rate and Sediment Distribution in Kalidami Boezem, Surabaya |
| title_full | Study of Sludge Accumulation Rate and Sediment Distribution in Kalidami Boezem, Surabaya |
| title_fullStr | Study of Sludge Accumulation Rate and Sediment Distribution in Kalidami Boezem, Surabaya |
| title_full_unstemmed | Study of Sludge Accumulation Rate and Sediment Distribution in Kalidami Boezem, Surabaya |
| title_short | Study of Sludge Accumulation Rate and Sediment Distribution in Kalidami Boezem, Surabaya |
| title_sort | study of sludge accumulation rate and sediment distribution in kalidami boezem surabaya |
| url | https://www.bio-conferences.org/articles/bioconf/pdf/2025/08/bioconf_srcm24_05003.pdf |
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