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Journal : KURVATEK

FITOREMEDIASI TANAH TERCEMAR Pb DAN Zn DI TEMPAT PEMBUANGAN AKHIR (TPA) SAMPAH PIYUNGAN, YOGYAKARTA Kartika Eka Putri Srisena Siti Fatimah; Wawan Budianta
KURVATEK Vol 6 No 1 (2021): April 2021
Publisher : Institut Teknologi Nasional Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33579/krvtk.v6i1.2129

Abstract

Piyungan waste disposal site is the largest waste disposal site in Yogyakarta and has an impact on heavy metals soil contamination, especially for lead (Pb) and zinc (Zn). This study aimed to analyze the effect of characteristics of polluted soil Pb and Zn contaminated soil in Piyungan site. The phytoremediation experiment was done in the polybags containing 2 kg contaminated soil samples and then was conducted in the greenhouse for three months and the plants were harvested each month. Plant samples were divided into roots and shoots part and the metal concentration was measured by ICP-AES after aqua regia digestion. The result of the phytoremediation experiment shows that Jatropha curcas and Amaranthus spinosus L. were detected along with the depth of the soil sampels taken, which indicated that the highest Pb and Zn contents were in the top soil layer. The soil characteristics in Piyungan landfill include pH, organic content, and mineral content of clay, which affect the effectiveness of absorption in the phytoremediation process, especially in montmorillonite content in the soil. This is confirmed and the results of the calculation of absorption efficiency and the calculation of mass balance and removal efficiency show that Jatropha curcas and Amaranthus spinosus L. have relatively low values. Keywords: Phytoremediation, soil, contamination, lead, zinc, waste.
PENCEMARAN LOGAM BERAT PADA TANAH DI SEKITAR TEMPAT PEMBUANGAN AKHIR (TPA) SAMPAH PIYUNGAN, BANTUL, YOGYAKARTA Mufid Muyassar; Wawan Budianta
KURVATEK Vol 6 No 1 (2021): April 2021
Publisher : Institut Teknologi Nasional Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33579/krvtk.v6i1.2146

Abstract

Heavy metal leaching from waste disposal sites severely impacts the environment, especially on soil distributed vertically or laterally by water flow. The study investigates soil contamination by heavy metals, namely Pb, Cu, Zn, and Cd, around the Piyungan waste disposal site in Bantul, Yogyakarta. Seventy-five (75) soil sample was obtained systematically form the 15 boreholes in the study area. The location of the borehole is located in three-zone, namely the upper slope (PU), interface (PI), and downslope (PD) zone. The upper slope and downslope were not located in the near waste disposal site, where the interface zone was located around waste disposal. The soil sample analysis result shows that the heavy metals concentration in the soil found in the PI zone was higher than PU and PD zone. The study results show that the Pb, Cu, and Zn concentration in the soil sample was in average value or natural condition. The work also indicates that heavy metals concentration was higher and accumulated in the surface soil in 0-25 cm depth and later decreased to 100 cm depth. The field situation shows that the infiltration of leachate due to waste decomposition was the primary source of heavy metals contaminant. In general, soil's physical and chemical properties in the study area have a sufficient ability to retain heavy metals migration down to the soil profile. However, the change of infiltration caused by high rainfall will affect the heavy metals' mobility, which has a potential for groundwater contamination in the extended period. Keywords: soil, contamination, heavy, metal, waste
KAJIAN KUALITAS AIR SUNGAI DENGKENG DI KECAMATAN BAYAT, KABUPATEN KLATEN, JAWA TENGAH Wawan Budianta; Sutrisno
KURVATEK Vol 6 No 2 (2021): November 2021
Publisher : Institut Teknologi Nasional Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33579/krvtk.v6i2.2624

Abstract

Dengkeng River was one of the tributary rivers of Bengawan Solo river that flow in Kebon Village, Bayat Sub-district, Klaten District, Central Java Province. In the area of Bayat Sub-district, there are several batik industries near the Dengkeng River. This industry generated wastewater which influenced Dengkeng River water quality in the study area. This study aimed to investigate and analyze the water quality of the Dengkeng River in the study area. Ten river water samples were obtained in the long river water stream from upstream to downstream. The sampling was conducted in August 2021, and the river water sampling was sampled referred to the SNI procedure. Several water quality parameters were measured, including pH, TDS, EC, BOD, COD, and phenol. The water pollution index and river pollution loading was calculated to analyze the river pollution level. The result of the study shows that all parameter measured was below the threshold of water quality standard for class I, II, III and IV, except for COD parameter, which exceeds the threshold for water quality standard class I. Generally, the water quality in the river in the study area shows that the level of pollution was increased from upstream to downstream due to the presence of batik wastewater generated in the middle of the river stream up to downstream. The presence of batik wastewater has a significant contribution to the increasing water quality parameter level. The pollution index calculation results show that the status of river water quality standard in the study area includes the good category in the upstream, however in the middle to the downstream including for low polluted level category. The pollution load index calculation shows that generally, the pollution loading increase from upstream to downstream due to the batik wastewater. The study recommends better river water quality monitoring, maintenance of wastewater treatment facility and community participation for river management.
PENCEMARAN TANAH OLEH Pb DAN Cd DI SEKITAR TEMPAT PEMBUANGAN AKHIR (TPA) PUTRI CEMPO, KOTA SURAKARTA Afra Ghaida Fathassabilla; Wawan Budianta
KURVATEK Vol 8 No 1 (2023): Energy Management and Sustainable Environment
Publisher : Institut Teknologi Nasional Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33579/krvtk.v8i1.3919

Abstract

One of the impacts of rapid population growth is the problem of waste management. One of the impacts of waste disposal at the landfill is soil contamination due to heavy metals originating from waste disposed of. This study aims to determine the concentration and distribution of heavy metals in the soil laterally and vertically around Putri Cempo Landfill through spatial analysis. Sampling was carried out at 14 points with 3 different depths, namely 10 cm, 30 cm, and 60 cm. Data analysis was performed on 42 soil samples, including analysis of grain size, pH and organic content, heavy metal content, and distribution of heavy metals. The results showed that the concentrations of Pb and Cd at the three depths of the soil samples were mostly above the background values of each heavy metal. The distribution patterns of the two heavy metals laterally in the study area were relatively different, while the vertical distribution of contaminants decreased in concentration as the distance from the soil surface increased.
PENGARUH KARAKTERISTIK MINERALOGI TERHADAP KAPASITAS TUKAR KATION ZEOLIT ALAM PACITAN, JAWA TIMUR Wawan Budianta; I Wayan Warmada; Makruf Nurudin
KURVATEK Vol 8 No 1 (2023): Energy Management and Sustainable Environment
Publisher : Institut Teknologi Nasional Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33579/krvtk.v8i1.4004

Abstract

The study aimed to investigate the influence of mineralogical and chemical composition on the cation exchange capacity of natural zeolite obtained from Pacitan, East Java. Ten natural zeolite samples were analyzed for mineralogical and chemical composition and cation exchange capacity. The result of the study showed that the natural zeolite samples have a mordenite-type mineral in dominant, with the percentage in vary between 32% to 38%. Based on chemical analysis, the natural zeolite samples consist of SiO2 ranging from 61% to 66% and Al2O3 ranging from 9% to 11%, which are then calculated to obtain for Si/Al ratio. The value of cation exchange capacity obtained ranges from 70 meq/100 g to 91 meq/100 g, with 82 meq/100 g on average. This variation was most probably influenced by the difference in zeolite mineral type presence and other minerals. Moedenite mineral type was suspected as the most dominant, which influenced the cation exchange capacity value obtained in this study. The cation exchange capacity of the samples gives a positive correlation to the content of the mordenite mineral, total microporous mineral, and Si/Al ratio. The result of the study is expected to contribute to the information on the natural zeolite in the area for agricultural and environmental fields.
KAJIAN LAJU INFILTRASI TANAH DAN PENGGUNAANNYA DI DESA NGALANG, KECAMATAN GEDANGSARI, KABUPATEN GUNUNGKIDUL Fitrah, Dimas Pratama; Budianta, Wawan
KURVATEK Vol 8 No 2 (2023): Energy Management and Sustainable Environment
Publisher : Institut Teknologi Nasional Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Meningkatnya pertumbuhan penduduk membuat pengelolaan lahan harus dilakukan dengan baik. Dalam mengelola lahan, salah satu aspek terpenting adalah daya resap tanah atau infiltrasi. Faktor yang dapat mempengaruhi infiltrasi di antaranya yaitu litologi, jenis tanah, dan sifat fisik tanah (kandungan air, porositas, rasio pori, dan derajat saturasi). Pengujian dilakukan pada 32 titik di Desa Ngalang, Kecamatan Gedangsari, Kabupaten Gunungkidul. Pengukuran laju infiltrasi dilakukan dengan turf-tec infiltrometer dan dihitung menggunakan model infiltrasi Philips dan Kostiakov yang diklasifikasikan dengan klasifikasi Kohnke (1968). Semua parameter dikorelasikan secara overlay dan grafik terhadap laju infiltrasi model Philips yang dinilai lebih baik dibanding model Kostiakov. Hasil korelasi menunjukkan semua parameter memiliki pengaruh terhadap laju infiltrasi. Parameter jenis tanah memiliki hubungan terkecil dengan nilai R2 yaitu 0,0054, sedangkan rasio pori memiliki hubungan terbesar dengan nilai R2 yaitu 0,2603. Berdasarkan laju infiltrasinya, penggunaan lahan daerah penelitian dibagi menjadi empat, yaitu area pertanian dan penggembalaan, perkebunan, perladangan, dan recharge area.
THE INFLUENCE OF URBANIZATION TO THE WATER INFILTRATION ZONE ON BANYUMANIK SUB-DISTRICT, SEMARANG CITY, CENTRAL JAVA, INDONESIA Budianta, Wawan; Firmansyah, Wahyu; Setijadji, Lucas Donny
KURVATEK Vol 9 No 1 (2024): Energy Management and Sustainable Environment
Publisher : Institut Teknologi Nasional Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33579/krvtk.v9i1.4698

Abstract

The high growth of developed land in the Banyumanik Sub-District, especially in residential and commercial areas, occurred due to the high demand for housing, lifestyle fulfillment, and speculation and investment by the upper-middle-class society. The reduction or loss of land with vegetation cover in the Banyumanik Sub-District increases the potential for flooding due to more significant surface runoff than water absorption during heavy rainfall. This research used integrated spatial analysis to generate information on the critical level of water infiltration in the research area using the Analytical Hierarchy Process (AHP) method. Both primary and secondary data collected will be compiled and subjected to spatial analysis to address the issues at hand. The weight of each parameter class produced by the AHP method is used for modeling and includes infiltration rate, land use, slope, and lithology parameters. The criticality level of the water infiltration zone in the southern part of Banyumanik Sub-District indicates that the water infiltration condition in the research area consists of good class at 13.589%, naturally normal at 18.405%, started to be critical at 16.114%, slightly critical at 20.764%, critical at 18.286%, and very critical at 12.841%. Changes in land use in the research area have become the primary factors causing alterations in the water infiltration conditions. Infiltration wells are one of the solutions to mitigate runoff as part of sustainable rainwater management. The government plays a crucial role as a policymaker in making decisions to address issues related to urban area development towards sustainable development.
THE CRITICAL LEVEL OF WATER INFILTRATION MAPPING IN GUNUNGPATI SUB-DISTRICTS, SEMARANG CITY Budianta, Wawan; Septio, Ghenady; Setijadji, Lucas Donny
KURVATEK Vol 9 No 1 (2024): Energy Management and Sustainable Environment
Publisher : Institut Teknologi Nasional Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33579/krvtk.v9i1.4699

Abstract

One of the reasons for the rapid population growth in the 21st century is urbanization. This leads to land degradation, which can result in a lack of water seeping into the ground when it rains in densely developed areas. Most of the water becomes surface runoff that cannot be absorbed by the soil because the runoff exceeds the soil's capacity to absorb water. In response to this situation, research was conducted on the criticality level of water catchment areas in Gunungpati District, Semarang City. The research involved collecting primary data through infiltration rates and lithology taken in the field, as well as secondary data, including information on land use and slope. This data was later verified in the area. The collected data were then analyzed using the Analytical Hierarchy Process (AHP) method by assigning weights to each parameter and sub-parameter. The parameters considered were land use, infiltration rate, slope, and lithology. The weighted values were overlaid to generate a critical level zoning map of water catchment areas in Gunungpati District, Semarang City. The critical level of water catchment areas in the research area can be categorized into "good" with an area of 1307.2 Ha, "normal natural" with an area of 1013.12 Ha, "starting to be critical" with an area of 436.26 Ha, "Slightly critical" with an area of 91.87 Ha, and "critical" with an area of 7.89 Ha, out of a total research area of 2856.34 Ha..
STABILISASI TANAH EKSPANSIF DI KECAMATAN LUMBIR, KABUPATEN BANYUMAS, JAWA TENGAH Budianta, Wawan
KURVATEK Vol 9 No 2 (2024): Energy Management and Sustainable Environment
Publisher : Institut Teknologi Nasional Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33579/krvtk.v9i2.5365

Abstract

Tanah ekspansif dijumpai di beberapa lokasi di Kecamatan Lumbir, Kabupaten Banyumas, Provinsi Jawa Tengah. Keberadaan tanah ekspansif ini mempunyai implikasi terhadap banyaknya kerusakan jalan di lokasi tersebut yang dikarenakan oleh sifat mudah mengembang yang dimiliki oleh tanah ekspansif. Penelitian ini bertujuan untuk melakukan stabilisasi tanah ekspansif di lokasi penelitian dalam skala laboratorium. Tiga sampel tanah diambil di lokasi penelitian dan dilakukan analisis ukuran butir, kandungan mineralogi dan indeks plastisitas. Percobaan laboratorium penambahan kapur dilakukan pada tiga perlakuan yaitu 2,5%, 5%, dan 7,5%. Hasil analisis distribusi ukuran butir, menunjukkan bahwa persentase ukuran butir lempung yang rendah dan didominasi oleh ukuran butir lanau dan termasuk ke dalam golongan loam dan silt loam serta menunjukkan ketiga sampel memiliki gradasi yang cukup buruk. Hasil plotting nilai batas atterberg pada grafik plastisitas, sampel termasuk ke dalam kelompok CH (lempung plastisitas tinggi) dan CL (lempung plastisitas rendah). Analisis mineralogi menunjukkan bahwa sampel tanah tersusun atas mineral kaolinit dan monmorilonit. Kemudian, percobaan dengan melakukan penambahan kapur pada tanah ekspansif dapat menurunkan nilai indeks plastisitas. Penurunan terbesar terjadi pada sampel dengan penambahan kapur 7,5% yang memiliki nilai penurunan indeks plastisitas sebesar 51,23%.
ANALISIS MORFOLOGI DETIL UNTUK MEMETAKAN KARAKTERISTIK SATUAN BATUAN PERMUKAAN Maritimo, Febrian; Budianta, Wawan; Setianto, Agung
KURVATEK Vol 10 No 1 (2025): Energy Management and Sustainable Environment
Publisher : Institut Teknologi Nasional Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33579/krvtk.v10i1.5740

Abstract

Regional spatial planning requires accurate data according to the planning scale. One of the problems encountered in the analysis of spatial planning in Indonesia is the unavailability of some basic data that have a level of detail according to planning needs, including geological data. RTRWK requires a map at a scale of 1:50,000, while the availability of a Geological Map at a Scale of 1:50,000 from the Ministry of Energy and Mineral Resources is still very limited. This study aims to produce surface geological distribution data and its characteristics needed in spatial planning with a morphological analysis approach. Detailed morphological analysis is carried out by processing Digital Elevation Model data with a spatial resolution of 8 meters. Detailing of the morphological classification is carried out on the BMB classification. Morphological interpretation is carried out in stages by dividing the land surface from general to detailed, producing classes of high ridged hills, low ridged hills, undulating valleys between hills and plains. Landform interpretation is carried out by adding geological structure data and rock types in the analysis, producing landform classes of high hills elongated fault zones, low hills elongated fault zones, undulating valleys between hills in fault zones, and alluvial plains. Landform units of elongated hills of fault zones can be detailed based on the relief pattern and slope gradient into ridge, steep slope, and gentle slope. Low hills elongated fault zones can be divided into ridge and gentle slope. Meanwhile, the undulating valleys between the hills of the fault zone and the alluvial plains do not show any further variations. The andesite breccia rock unit is the lithology that forms the morphology of elongated ridged hills, the undulating valleys between the hills are formed from andesite breccia colluvium rock units, while the alluvial plains are formed from alluvium rock units. The division of detailed morphology in the hills reflects the differences in the characteristics of the degree of weathering of the rocks and the weathering materials. The andesite breccia rock unit on the ridge experiences strong weathering and produces a lot of in-situ soil material. The andesite breccia bedrock exposed on steep slopes experiences early weathering with thin soil deposits on top and has several andesite boulders deposited in the bends of the slopes. Gentle slopes have surface rock units dominated by colluvium material. This unit consists of andesite breccia boulders scattered on the surface mixed with weathered soil material from ridge and/or steep slopes. The undulating valleys between hills also have characteristics of surface rock units consisting of andesite breccia boulders on the land surface with thick soil resulting from the accumulation of weathered soil from the hills. Alluvial rock units on alluvial plains do not reflect significant variations.