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All Journal Journal of Green Science and Technology Surya Beton : Jurnal Ilmu Teknik Sipil
Lilik Hendro Widaryanto
Universitas Sarjanawiyata Tamansiswa
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering

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ANALYSIS OF INFILTRATION WELLS AS PRO-CONSERVATION DRAINAGE (Case Study of Kalongan, Maguwoharjo, Depok, Sleman, Yogyakarta) Lilik Hendro Widaryanto
Journal of Green Science and Technology Vol 6, No 2 (2022): JOURNAL OF GREEN SCIENCE AND TECHNOLOGY VOL.6 NO.2 SEPTEMBER 2022
Publisher : FAKULTAS TEKNNIK UNIVERSITAS SWADAYA GUNUNG JATI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33603/jgst.v6i2.6946

Abstract

Indonesia has two seasons, namely the dry season and the rainy season where the rainfall in the two seasons has a very large difference. Rainfall in the rainy season will be a source of groundwater reserves, because in the dry season there tends to be no rain. Efforts to increase groundwater reserves are carried out, among others, to use environmentally friendly drainage, namely by using infiltration wells and water will be infiltrated so as to reduce runoff.This research will begin by mapping the land covered by buildings in Kalongan and then calculating the area of land covered by the buildings. Rainfall data used is data at the Maguwoharjo rain station which is close to Kalongan with a span of 10 years. The number of infiltration wells currently available is 8 and by analyzing the needs of infiltration wells it will be known how many infiltration wells are needed so that as much water can be infiltrated to reduce runoff and increase groundwater reserves.The results of the frequency analysis for rainfall with a maximum return period of 5 years as a basis for planning infiltration wells. This large runoff during the rainy season can be reduced by having sufficient infiltration wells, so that rainwater entering the infiltration well will become a source of groundwater reserves. The total requirement for infiltration wells is 464 pieces with a diameter of 80 cm and a depth of 3 m. There are 8 infiltration wells so it is necessary to make 456 infiltration wells to reduce runoff.Keyword: groundwater, infiltration, runoff
Perancangan Bangunan Instalasi Pengolahan Air Limbah (IPAL) Tahu (Studi Kasus Industri Tahu di Dusun Janten, Ngestiharjo, Kasihan, Bantul) Azis Fatkhurrohman; Dewi Sulistyorini; Lilik Hendro Widaryanto; Ahmad Mashadi; Yacobus Sunaryo
Surya Beton : Jurnal Ilmu Teknik Sipil Vol. 7 No. 1 (2023)
Publisher : Program Studi Teknik Sipil, Fakultas Teknik, Universitas Muhammadiyah Purworejo

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Abstract

Industri tahu merupakan industri UMKM yang banyak tersebar di beberapa Kapanewon di Bantul dan juga menjadi industri rumah tangga. Sebagian besar industri tahu di Kabupaten Bantul tidak memiliki unit pengelolaan limbah sehingga limbah yang dihasilkan dari rumah produksi langsung dibuang ke saluran air dan menyebabkan pencemaran air. Air limbah yang berasal dari limbah industri tahu merupakan salah satu sumber pencemaran air yang menjadi permasalahan di masyarakat. Hal ini disebabkan karena air limbah industri tahu akan mempengaruhi sifat fisik, kimia air yang berpengaruh pada kelangsungan hidup organisme perairan dan bau limbah tahu mengganggu lingkungan setempat. Perancangan ini bertujuan untuk memberikan rancangan Instalasi Pengolahan Air Limbah (IPAL) Tahu di Dusun Janten, Kalurahan Ngestiharjo, Kapanewon Kasihan, Kabupaten Bantul. IPAL dirancang secara batch dengan sistem ekualisasi, pengendap awal, anaerobic baffle reactor (ABR), anaerobik filter dan pengendap akhir. Tahap perancangan IPAL meliputi perhitungan dimensi masing-masing unit IPAL, merancang gambar tiap unit. Terdapat beberapa unit pada perancangan IPAL dengan limbah cair sebanyak 16.500 L/hari yaitu: Bak ekualisasi (panjang = 1,75 m, lebar = 1,00 m, tinggi = 2,55 m), Bak pengendap awal (panjang = 2,13 m, lebar = 1,00 m, tinggi = 2,55 m, jumlah kompartemen = 4 ruang), Bak anaerobic baffle reactor (panjang = 3,67 m, lebar = 1,50 m, tinggi = 2,55 m, jumlah kompartemen = 3 ruang), Bak anaerobik filter (panjang = 3,67 m, lebar = 1,50 m, tinggi = 2,55 m, jumlah kompartemen = 3 ruang), Bak pengendap akhir (panjang = 2,13 m, lebar = 1,00 m, tinggi = 2,55 m, jumlah kompartemen = 4 ruang).
Co-Authors Ahmad Mashadi Azis Fatkhurrohman Dewi Sulistyorini Yacobus Sunaryo