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2 Journal of Ecological Engineering

2 2023

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New Built Land Threat of Martapura River – Implementation of Environmental Sustainability in Banjarmasin City, South Kalimantan, Indonesia

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Rusdiyanto E. , Munawir A.

Journal of Ecological Engineering

2023

tom Vol. 24, nr 5

276--287

The threat of environmental degradation of the Martapura River as a result of an increase in built-up land has become a serious problem, so it is important to implement a new method using the integration of calculations of changes in built-up land and the sustainability of river area environmental management. This study aimed to calculate the change in built-up land directly integrated through Rap-RiverBuiltUp quantitative analysis on the environmental sustainability of the Martapura river area, Banjarmasin City. The research method used is the technique of spatial analysis of ETM/Landsat 8 OLI satellite landsat images and analysis of ecological, social and economic sustainability with Rap-RiverBuiltUP analysis. The results of the analysis of built-up land around the Martapura river, Banjarmasin City, have increased by 2.31% over the last 12 years, followed by a growth in population density of ±1.5% annually. The implementation of sustainable environmental management needs to be prioritized with the efforts to periodically revise regional spatial planning regulations, especially the boundaries of built-up land to reduce the development of built-up land around the Martapura River. The sustainability status of the built-up area around the Martapura river is currently not sustainable. The ecological dimension indicates a less sustainable status, while the economic and social dimensions indicate a fairly sustainable status. Increasing the sustainability index value of the Martapura river from each dimension in the future is by making the lever factor an input for the management policy of the Martapura river, Banjarmasin City.

Ozone Method Recycling Domestic Waste to Prevent Waste Water Pollution

70%

Munawir A. , Rusdiyanto E. , Fathar I. R. , Nurhasanah , Mierzwa J. C.

Journal of Ecological Engineering

2023

tom Vol. 24, nr 12

16--28

This study aims analyze the physical-chemical quality of domestic wastewater in hotel areas and analyze the biological quality of domestic wastewater which includes total coliform bacteria in hotel areas. The research data was obtained by conducting observation and laboratory analysis with the assessment of several standardized thresholds for environmental quality standards Regulation No. P.68 of 2016 and PP No. 22 of 2021. The results of the total coliform parameter after the application of ozonation, the results are obtained with a value of 2900 Most Probable Number/100 milliliters which is still below the maximum allowable threshold value; total suspended solid parameter test, obtained results with a value of 5 miligram/liter or under limit 30–400 miligram/liter which is the maximum allowable value limit. The oil/fat parameter obtained a value of <2 miligram/liter while the quality standard value was 5 miligram/liter; the ammonia parameter yielded 0.58 miligram/liter, while the maximum allowable limit was 10 miligram/liter; the biochemical oxygen demand parameter yielded <2 miligram/liter, while the maximum allowable limit was 12–30 miligram/liter; the chemical oxygen demand parameter yielded <4 miligram/liter, and the maximum allowed limit was 80–100 miligram/liter. The use of ozone can be an option in the process of recycling domestic wastewater in a sustainable manner proven to reduce levels of waste, viruses and its main pathogens total suspended solid, Ammonia, chemical oxygen demand, biochemical oxygen demand, Oil and Grease, as well as total coliform biological bacteria so that it can be reused by the community.