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Evaluasi Kualitas dan Kuantitas Lumpur Alum dari Instalasi Pengolahan Air Minum Citayam Adityosulindro, Sandyanto; Rochmatia, Nurul Hasanah; Hartono, Djoko Mulyo; Moersidik, Setyo Sarwanto
Jurnal Teknologi Lingkungan Vol. 21 No. 2 (2020)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jtl.v21i2.4049

Abstract

ABSTRACTWater treatment plants (WTPs) produces residues in the form of alum sludge during the treatment process. In Indonesia, due to various techno-economic constraints, some WTPs are not equipped by sludge treatment systems, so the generated alum sludge is discharged directly into water bodies without appropriate treatment. This condition may pollute water bodies because alum sludge contains various contaminants such as solid particles, organic compounds, inorganic metals, aluminum, and pathogenic microorganisms. This study aims to evaluate the characteristics of alum sludge from aspects of quality and quantity, which is indispensable for the design of sludge treatment facilities. Citayam WTP (capacity of 120 L/s) in Depok City was chosen as a case study. The study was conducted in several stages as follows: (i) survey and sampling; (ii) quality analysis of alum sludge; (iii) estimation of sludge generation; and (iv) mass and volume balance analysis. Results of comparative analysis of alum sludge quality against the Regulation of Minister of Environment of Indonesia 5/2014 shows alum sludge from flocculation units meets quality standards. In contrast, alum sludge from sedimentation and filter units were exceeded for TSS, COD, and Total Coliform parameters. Quantity-wise, the estimation of sludge generation by theoretical and empirical methods was found to be 1,898 kg/day and 4,854 kg/day. Analysis of mass and volume balance using STAN software indicates that the theoretical approach is quite representative, while the empirical method tends to be over-estimated.Keywords: alum sludge, sludge quality, sludge generation, water treatment plant, case studyABSTRAKInstalasi pengolahan air (IPA) dalam proses pengolahannya akan menghasilkan residu berupa lumpur alum. Di Indonesia, akibat berbagai kendala tekno-ekonomis, masih terdapat IPA yang belum memiliki sistem pengolahan lumpur alum sehingga langsung dibuang ke badan air tanpa pengolahan. Kondisi ini berpotensi mencemari badan air karena lumpur alum mengandung berbagai kontaminan seperti partikel padat, senyawa organik, inorganik, logam aluminium serta mikroorganisme patogen. Penelitian ini bertujuan untuk mengevaluasi karakteristik lumpur alum dari aspek kualitas dan kuantitas yang merupakan informasi penting dalam perancangan sistem pengolahan lumpur. IPA Citayam (Kapasitas 120 L/detik) di Kota Depok dipilih sebagai objek studi. Penelitian dilakukan dalam beberapa tahapan yakni survei dan sampling, analisis kualitas lumpur alum, estimasi timbulan lumpur, dan analisis neraca massa dan volume. Hasil perbandingan analisis kualitas lumpur alum terhadap PermenLH 5/2014 menunjukan lumpur alum dari unit flokulasi memenuhi baku mutu sedangkan lumpur alum dari unit sedimentasi dan filter melebihi baku mutu lingkungan untuk parameter TSS, COD dan Total Koliform. Dari aspek kuantitas, estimasi timbulan lumpur yang dilakukan dengan metode teoritik dan empirik berturut-turut sebesar 1.898 kg/hari dan 4.854 kg/hari. Analisis neraca massa dan volume menggunakan software STAN mengindikasikan bahwa metode teoritik cukup representatif, sedangkan perhitungan dengan metode empirik cenderung menjadi over-estimasi.Kata kunci: lumpur alum, kualitas lumpur, timbulan lumpur, instalasi pengolahan air, studi kasus
Manajemen Risiko dalam Pengelolaan Sumber Air Baku (Studi Kasus Sungai Cisadane Kota Tangerang) Idi Namara; Djoko M Hartono; Yusuf Latief; Setyo Sarwanto Moersidik
Jurnal Ilmiah Universitas Batanghari Jambi Vol 22, No 1 (2022): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jiubj.v22i1.2200

Abstract

Cisadane River, Tangerang City, is one of the important rivers in Indonesia. This river is a source of raw water for PDAM Tangerang City and Soekarno-Hatta International Airport, but unfortunately the quality of this river water tends to decrease due to pollution. Many things have been done by the government in managing the river water, but have not brought positive changes to the raw water source. The problems that occur include urban development and changes in land use which have an influence on the burden of river pollution. The approach taken in this research is qualitative analysis and risk management. The final result of this research is the development of policies in the management of rivers as raw water sources, namely land use management, separation of drainage channels from domestic sewage, increasing the coverage of WWTP services, and strengthening institutional and regulatory aspects, especially in funding commitments.
KETERKAITAN PERILAKU MASYARAKAT DENGAN PENGGUNAAN LAHAN DAN EROSIVITAS LIMPASAN PERMUKAAN DI SUB DAS LESTI, KAB. MALANG (Relationship between community behavior with land use and surface runoff erosivity in Lesti Subwatershed, Malang District) Andi Setyo Pambudi; Setyo Sarwanto Moersidik; Mahawan Karuniasa
Jurnal Penelitian Pengelolaan Daerah Aliran Sungai (Journal of Watershed Management Research) Vol 4, No 2 (2020): Jurnal Penelitian Pengelolaan Daerah Aliran Sungai (Journal of Watershed Managem
Publisher : Center for Implementation of Standards for Environmental and Forestry Instruments Solo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jppdas.2020.4.2.155-172

Abstract

ABSTRACTThe impact of activities in the watershed, either naturally or due to the role of humans, one of which is erosion. Erosion in watershed scale is related to natural resource management which involves social, economic, and environmental aspects. Lesti Sub Watershed as one of the upstream subwatersheds of the Brantas Watershed plays an important role in erosion contribution to the Sengguruh Reservoir in the downstream. Research related to erosion in the Lesti Sub Watershed so far has only been influenced by physical factors of the watershed such as slope, vegetation, and soil erodibility. The relationship between social aspects of community behavior towards land use choices and the magnitude of runoff erosivity is rarely done. This research attempts to examine this linkage with statistical, hydrological and spatial approaches in the framework of environmental science. The method used is a mixed method with behavioral analysis using cross tabulation, runoff discharge is calculated by the rational formula of modification and runoff erosivity is analyzed using the formula of Williams (1975) and GIS tools. Spatial analysis results show the more negative the community behavior in a district, the higher the runoff erosivity value and is on erosion prone land.Keywords: watershed management; behavior; land use; erosivity ABSTRAK Dampak aktivitas di dalam Daerah Aliran Sungai (DAS), baik alami maupun karena peran manusia salah satunya adalah erosi. Erosi berkaitan dengan pengelolaan sumberdaya alam yang melibatkan aspek sosial, ekonomi, dan lingkungan. Perubahan iklim global, meningkatnya jumlah penduduk, dan intensitas kegiatan ekonomi mempercepat perubahan kondisi DAS, termasuk di bagian hulu. Sub DAS Lesti sebagai salah satu Sub DAS di Hulu DAS Brantas berperanan penting dalam menyumbang sedimen sebagai dampak erosi yang tidak terkendali, sehingga berpengaruh terhadap umur guna Waduk Sengguruh di hilirnya. Penelitian terkait erosi di Sub DAS Lesti selama ini hanya dikaitkan dengan faktor-faktor biofisik DAS seperti kemiringan lereng, faktor vegetasi, dan erodibilitas tanah. Keterkaitan aspek sosial, yaitu perilaku masyarakat terhadap pilihan penggunaan lahan dan besarnya erosivitas limpasan adalah hal yang jarang dilakukan. Penelitian ini bertujuan untuk mengkaji keterkaitan ini dengan pendekatan statistik, hidrologi dan spasial dalam kerangka ilmu lingkungan. Metode yang digunakan adalah mixed method dengan analisis perilaku menggunakan cross tabulation, debit limpasan dihitung dengan persamaan rasional modifikasi dan erosivitas limpasan dianalisis menggunakan rumus Williams (1975) serta tools SIG. Hasil overlay peta erosivitas limpasan permukaan dengan peta perilaku dan tata guna lahan menunjukkan semakin negatif perilaku masyarakat pada suatu kecamatan, maka semakin tinggi nilai erosivitas limpasan dan berada pada lahan yang rentan erosi.Kata kunci: pengelolaan DAS; perilaku; tata guna lahan; erosivitas   
Analisis Sebaran Limpasan Permukaan pada Sub DAS Lesti Sebagai Pertimbangan Konservasi Hulu DAS Brantas Pambudi, Andi Setyo; Moersidik, Setyo Sarwanto; Karuniasa, Mahawan
Jurnal Teknik Pengairan: Journal of Water Resources Engineering Vol 12, No 2 (2021)
Publisher : Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.pengairan.2021.012.02.03

Abstract

Sub DAS Lesti yang secara keseluruhan berada di Kabupaten Malang adalah sub DAS terluas dari hulu DAS Brantas yang berperan paling besar dalam memberikan kontribusi debit air sungai yang berdampak ke bagian hilir di Waduk Sengguruh. Kondisi terkini sebaran limpasan permukaan di Sub DAS Lesti berbasis data hujan dan penggunaan lahan terkini belum banyak dikupas oleh pengambil kebijakan. Informasi sebaran dan proporsi limpasan permukaan pada wilayah DAS menjadi hal yang menarik dikaji lebih lanjut dalam rangka memberikan pertimbangan upaya konservasi DAS. Penelitian ini bertujuan untuk menghitung limpasan permukaan dan sebarannya sebagai landasan pengambil kebijakan menentukan lokasi prioritas upaya konservasi pada Sub DAS Lesti. Metode analisis yang digunakan adalah kuantitatif yang dimulai dari uji konsistensi data hujan, deleniasi batas DAS, perhitungan hujan rancangan dan juga perhitungan debit limpasan permukaan sampai menggambarkannya secara spasial. Hasil penelitian menunjukkan bahwa dari 12 kecamatan di Sub DAS Lesti, wilayah yang perlu dipertimbangkan sebagai lokasi prioritas konservasi dari sudut pandang besarnya debit limpasan permukaan adalah Kecamatan Tirtoyudo, Kecamatan Dampit dan Kecamatan Bantur, Kecamatan Ampelgading serta sebagian wilayah Kecamatan Sumbermanjing Wetan yang berbatasan dengan Kecamatan Dampit.The Lesti sub-watershed, which is entirely in Malang Regency, is the widest sub-watershed of the upstream Brantas watershed, which has the biggest role in contributing river flow which impacts downstream in the Sengguruh Reservoir. The current condition of surface runoff distribution in Lesti Sub-watershed is based on the latest data on rain and land use, which has not been widely discussed by policy makers. Information on the distribution and proportion of surface runoff in watershed areas is interesting to study further in order to give consideration to watershed conservation efforts. This study aims to calculate surface runoff and its distribution as a basis for policy makers to determine priority locations for conservation efforts in the Lesti sub-watersheds. The analytical method used is quantitative, which starts from the consistency test of rain data, watershed boundary deleniation, calculation of design rainfall and also calculation of surface runoff discharge to describe it spatially. The results showed that from 12 sub-districts in Lesti Sub-watershed, the areas that need to be considered as priority conservation locations from the point of view of surface runoff discharges are Tirtoyudo subdistrict, Dampit Subdistrict and Bantur Subdistrict, Ampelgading Subdistrict and parts of Sumbermanjing Wetan Subdistrict bordering Dampit Subdistrict.
BIOREMEDIATION IN PETROLEUM CONTAMINATED SOIL TREATMENT USING PLANT-MICROORGANISMS COMBINATION (Case Study: Reduction Level of TPH and BTEX in Bioremediation Process) Sari, Cut Nanda; Sativa, Tyas Putri; Moersidik, Setyo Sarwanto
Scientific Contributions Oil and Gas Vol 39, No 1 (2016)
Publisher : PPPTMGB "LEMIGAS"

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (228.626 KB) | DOI: 10.29017/SCOG.39.1.532

Abstract

Oil spills, in both aquatic and terrestrial environments, are very detrimental to people and the environment due to hydrocarbon compounds that are contained in oil which are not only be harmful for the balance of the ecosystem and the environment but also carcinogenic to humans and animals. Therefore remediation needs to be done. One of the methods is by using a combination of microorganisms and plants. The aim of this research is to analyze the in􀃀 uences between several different treatments that are applied for TPH and BTEX removal in the process of remediation. In this research, bioremediation was conducted by using four different treatments which are: by adding compost (C), plants and compost (P), microorganisms and compost (B), and compost, plants and microorganisms (BP), to soil with oil content of 5% and 10%. The following test results of TPH in soil contaminated with 5% oil content are: 2.10% (C); 1.31% (B); 1.66% (P); and 0.68% (BP). The TPH test results in soil contaminated with oil content of 10% are: 3.30% (C); 2.54 (B); 3.91% (P); and 3.31% (BP). The highest percentage of TPH degradation in contaminated soil of 5% oil content was found in BP treatment (87.1%), while in the contaminated soil of 10% oil content the largest TPH removal percentage is by the treatment of adding bacteria (B) which is 76.19%. BTEX removal percentage in 5% oil contaminated soil in BP treatment is 68.35% while in 10% oil contaminated soil with B treatment the removal percentage is 84.91%. Based on statistical tests, both on contaminated soil with 5% and 10% oil content, TPH degradation signi􀂿 cantly affects the pH value as p 0.05 but TPH degradation does not affect temperature values as p 0.05.
Sintesis dan Karakterisasi Zeolit Hidroksi Sodalit dari Limbah Padat Abu Layang PLTU Batubara Amalia Ekaputri Hidayat; Setyo Sarwanto Moersidik; Sandyanto Adityosulindro
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 4, No 2 (2019): EDISI SEPTEMBER 2019
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (786.143 KB) | DOI: 10.33366/rekabuana.v4i2.1307

Abstract

Coal burning process in steam powered electric generator plants functioned to generate electricity energy. This process produce kinds of waste, such as solid waste, waste water, and emission. One of the solid waste produced in this process is fly ash. Fly ash is categorized as hazardous waste, it also can buildup in the landfill because of its massive production. However, fly ash has the potential as a raw material to produce synthetic zeolite because it contains metal oxide which is quite high. In this study, class F coal fly ash was synthesized by combining hydrothermal and fusion method. Synthesized fly ash and zeolite are characterized so that the chemical composition can be analyzed by X-ray Fluorescence; the mineralogy analyzed by X-ray Diffraction; the surface morphology analyzed by Scanning Electron Microscopy; and the particle size analyzed by Particle Size Analyzer. The synthesis of zeolite from coal fly ash in this study result hydroxy-sodalite zeolite type. In addition, this synthesis process increases the surface area of the previous fly ash. From the characteristics of zeolite from this synthesis it can be conclude that this zeolite can be approved as an adsorbent for the removal of liquid or gas pollutants in environmental technology applications with further research. ABSTRAKProses yang terjadi pada Pembangkit Listrik Tenaga Uap untuk menghasilkan energi listrik adalah melalui unit proses pembakaran batubara. Proses ini akan menghasilkan limbah padat, cair, maupun udara. Salah satu limbah padat yang dihasilkan adalah abu layang. Limbah abu layang ini dikatagorikan limbah bahan berbahaya dan beracun, serta dapat terjadinya penumpukan di tempat penimbunan akhir karena produksinya yang sangat tinggi. Namun, abu layang memiliki potensi sebagai bahan baku dalam memproduksi zeolit sintetik karena kandungan oksida logamnya yang cukup tinggi. Pada penelitian ini, abu layang batu bara kelas F disintesis dengan metode gabungan fusi-hidrotermal. Abu layang dan zeolit yang disintesis dikarakterisasi agar dapat dianalisis komposisi kimianya dengan X-ray Flourescence; mineraloginya dengan X-ray Diffraction; morfologi permukaan dengan Scanning Electron Microscopy; serta distribusi partikel dengan Particle Size Analyzer. Proses sintesis zeolit dari abu layang batubara pada penelitian ini menghasilkan zeolit jenis hidroksi sodalit. Selain itu, proses sintesis ini meningkatkan luas permukaan dari abu layang sebelumnya. Dari karakteristik zeolit hasil sintesis ini dapat disimpulkan bahwa zeolit ini dapat berpotensi sebagai adsorben untuk penyisihan polutan cair maupun gas pada aplikasi teknologi lingkungan dengan penelitian lebih lanjut.Kata kunci : abu layang; zeolit; hidroxi-sodalit; sintesis; fusi-hidrotermal