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All Journal Bumi Lestari SUSTINERE: Journal of Environment and Sustainability Jurnal Teknologi Lingkungan UNMUL
Dyah Wahyu Wijayanti
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Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Energy Engineering Environmental Science Other

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PERENCANAAN PENGELOLAAN SAMPAH TERPADU DI KELURAHAN SEMPAJA SELATAN KOTA SAMARINDA Muhammad Busyairi; Justia Dhika Ramadhan; Dyah Wahyu Wijayanti
Bumi Lestari Journal of Environment Vol 15 No 2 (2015)
Publisher : Environmental Research Center (PPLH) of Udayana University

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

Abstract

Samarinda is the capital city of the province of East Borneo. The government needs todo a serious waste management, with the increasing number of residents in the Village ofSouth Sempaja Samarinda the solid waste generated will be growing therefore thedevelopment of alternative processing which is Integrated Waste TreatmentSites which aimsto reduce the rate of waste disposal and treatment that should be managed in the EndProcessing Site that can directly extend the life of the End Processing Site. The purpose ofthis study is to design the Integrated Waste Treatment Site in the Village of South Sempaja.Thisresearch is descriptive quantitative with garbage samples from South Sempaja Villageresidents. The stages of this research include the identification of the problem, gatheringsupporting data on South Sempaja Village, Unit Price of Material in Samarinda and findthe volume of waste generated by South Sempaja Community and divided according to theclassification of the house. Then the overall data analysis of the data collected.The volumeof the average generation of garbage in the Village of South Sempaja amounted to 1,46 L/person/day and average weight of garbage generation in the Village of South Sempajaamounted to 0,47 kg/person/day and Total area of Integrated Waste  Treatment Sites in theVillage of South Sempaja is 1.218,97 mand 157,25 m22, with details of the main components is 1.061,72 m area of   the supporting components and trucks that go into Integrated WasteTreatment Sites in the Village of South Sempaja are 5 trucks with a capacity of 12 m2
Plant growth and total Nitrogen absorption rate in leachate with water hyacinth (Eichhornia crassipes) Dyah Wahyu Wijayanti; Wahyudi Budi Sediawan; Agus Prasetya
Sustinere: Journal of Environment and Sustainability Vol. 3 No. 2 (2019): pp. 67-126 (August 2019)
Publisher : Center for Science and Technology, IAIN Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22515/sustinere.jes.v3i2.84

Abstract

Phytoremediation is a simple technique of wastewater processing by utilizing the plant activity to vanish, replace and stabilize or destroy the pollutant either organic compound or inorganic. This research utilizes Eichhornia crassipes as the biofilter in handling the leachate produced from organic waste degradation. The purposes of this research are to find out the plant growth rate and total Nitrogen (N) absorption in leachate by the Eichhornia crassipes. The experiment shows that the concentration of leachate affects the absorption rate of total N and wet weight of the plant. The model was fit to the experimental data. The metabolism reaction rate constant ( ) and absorption rate constant ( ) at leachate concentration 5%, 10%, 15%, 20%, 25% and 30% were measured. The highest reaction rate constant and absorption rate constant were 5% of leachate concentration where = 0.008042/day and = 2.30811/day, whilst at the leachate concentration of 30% reaction rate constant and absorption rate constant were the lowest where it reached = 0.00029/day and = 0.04576/day. The absorption ability of water hyacinth to absorb the N which contained in the leachate was affected by the metabolism reaction rate of nitrogen in the plant and the reaction rate of nitrogen degradation into ammonia (NH4) and nitric ion (NO3) in the plant root. The leachate concentration affected the efficiency of N absorption by the water hyacinth. The efficiency of N absorption at leachate concentration of 5; 10; 15; 20; 25 and 30 were 89.81%, 68.99%, 49.51%, 36.32%, 30.28% and 21.64% respectively. Overall, this technique presents a simple technique approach and the utilization of elements contained in the leachate as the nutrition for plant.
POTENSI LIMBAH BAN BEKAS SEBAGAI AGREGAT CAMPURAN BATA BETON (PAVING BLOCK) Dyah Wahyu Wijayanti; Muhammad Daffa Yudhitya Rizqi Ramadhan; Waryati Waryati
Jurnal Teknologi Lingkungan UNMUL Vol 10, No 1 (2026): Jurnal Teknologi Lingkungan UNMUL
Publisher : Mulawarman University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/jtlunmul.v10i1.27363

Abstract

Industri ban merupakan salah satu sektor yang terus berkembang di Indonesia sehingga menghasilkan limbah ban bekas dalam jumlah yang semakin meningkat. Ban bekas bersifat non-biodegradable berpotensi menimbulkan permasalahan lingkungan apabila tidak dikelola. Salah satu upaya pemanfaatan limbah tersebut adalah sebagai bahan substitusi agregat pada pembuatan bata beton. Penelitian ini bertujuan untuk menganalisis pengaruh jenis dan persentase limbah ban bekas terhadap kualitas bata beton serta menilai potensi pemanfaatannya dari aspek lingkungan dan ekonomi. Penelitian dilakukan secara eksperimental di laboratorium menggunakan limbah ban dalam dan ban luar dengan variasi substitusi sebesar 30%, 40%, dan 50%. Pengujian meliputi kuat tekan, daya serap air, uji kelimpahan dengan parameter timbal (Pb), serta analisis ekonomi. Hasil penelitian menunjukkan variasi limbah ban dalam sebesar 30% menghasilkan kinerja terbaik kuat tekan sebesar 1,92 MPa, daya serap air sebesar 9,86%, dan kadar Pb hasil uji leaching <0,30 mg/L sehingga masih memenuhi baku mutu yang berlaku. Analisis ekonomi menunjukkan bahwa penggunaan limbah ban bekas menghasilkan biaya produksi sekitar 4% lebih rendah dibandingkan bata beton konvensional. Temuan ini menunjukkan bahwa pemanfaatan limbah ban bekas tidak hanya berpotensi mengurangi timbulan limbah dan penggunaan agregat alami, tetapi menambah nilai ekonomi melalui pemanfaatan limbah sebagai material alternatif pada produk konstruksi non-struktural.
Co-Authors Agus Prasetya Justia Dhika Ramadhan Muhammad Busyairi Muhammad Daffa Yudhitya Rizqi Ramadhan Wahyudi Budi Sediawan Waryati Waryati