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All Journal Jurnal technoscientia Jurnal Dampak Jurnal Sains & Teknologi Lingkungan Konversi Sistem : Jurnal Ilmu-Ilmu Teknik AGREGAT Jurnal Serambi Engineering Al-Ard: Jurnal Teknik Lingkungan JURNAL Al-AZHAR INDONESIA SERI SAINS DAN TEKNOLOGI JURNAL TEKNOLOGI TECHNOSCIENTIA International Journal of Environmental, Sustainability, and Social Science Envirotek : Jurnal Ilmiah Teknik Lingkungan Prosiding Seminar Nasional Teknik Sipil UMS Serambi Engineering
Pribadi, Arqowi
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Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Transportation

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Uji Kuat Tekan Beton Dengan Penambahan Limbah Ampas Kopi Sebagai Substitusi Parsial Semen Arqowi Pribadi; Mega Ayundya Widiastuti
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Concrete is the main material used in construction and is a mixture of sand, gravel, cement and air. The addition of materials such as coffee grounds can be an environmentally friendly alternative to partially replace cement in concrete mixes. This study examines the effect of variations in the addition of coffee grounds on the compressive strength of concrete, with the proportions of coffee grounds tested being 0%, 2.5%, 5%, and 7.5%. Tests were conducted on concrete cylinders of 150 mm diameter and 300 mm height, and the compressive strength was measured after 28 days of treatment. The test results showed that the addition of coffee grounds caused a decrease in the compressive strength of the concrete, with the average compressive strength values at 0%, 2.5%, 5%, and 7.5% variations being 36.78 MPa, 20.94 MPa, 16.98 MPa, and 11.04 MPa, respectively. Although coffee grounds cannot completely replace cement, this material can potentially be used as an environmentally friendly alternative for non-structural concrete applications. It can reduce the waste of coffee grounds while reducing the use of cement in construction, albeit with an impact on concrete strength.
Studi Pengaruh Penambahan Bubur Kertas terhadap Nilai Serapan Air pada Papercrete Pribadi, Arqowi
Prosiding Seminar Nasional Teknik Sipil UMS 2019: Prosiding Seminar Nasional Teknik Sipil UMS
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

Papercrete terbuat dari kertas koran bekas diolah menjadi bubur kertas dicampurkan dengan bahan portland cement, pasir dan air. Penelitian ini menggunakanmetode studi eksperimentaldi laboratoriumterhadap campuran berat kertas, semen, pasir (KSP) dengan perbandingan variasi campuran KSP 1:1:1, KSP 2:1:1, KSP 3:1:1 untuk nilai FAS 1. Benda uji silinder berdiameter 75 mmdengan tinggi 275 mm sebanyak 9 buah untuk uji serapan air dengan tiga benda uji setiap variasi campurannya. Pengujian serapan air bertujuan mengetahui besarnya air yang diserap oleh adukan papercrete dengan cara membandingkan berat yang melewati perendaman air dan kondisi jenuh kering permukaan dengan berat dalam kondisi kering oven. Waktu perendaman dilakukan selama 10,5 menit; 30 menit; 60 menit; 24 jam; 2x24 jam dan 3x24 jam terhadap sampelpapercreteberumur 28 hari.Hasil pengujian didapatkan nilai serapan air selama 10,5 menit berturut-turutpada benda uji KSP 111=44,28%; KSP 211=60,74%; KSP 311=85,73%; sedangkan nilai serapan air selama perendaman 24 jamberturut-turut pada benda uji KSP 111=48,98%; KSP 211=67,53%; KSP 311=93,57%. Penambahan material bubur kertas terbukti memperbesar nilai serapan air yang menyebabkan adukan papercrete memiliki kekedapan sangat kecil, bersifat porous dan permeabel sehingga tidak baik dipergunakan sebagai material yang disyaratkan dalam pembuatan beton kedap air.
PENYISIHAN KADAR SENG (Zn) DENGAN BIOADSORBEN KULIT SINGKONG MENGGUNAKAN SISTEM KONTINYU Nisya, Risma Awwalin; Yusrianti, Yusrianti; Pribadi, Arqowi; Auvaria, Shinfi Wazna; Widayanti, Linda Prasetyaning
Jurnal Sains dan Teknologi Lingkungan Vol. 14 No. 1 (2022): SAINS & TEKNOLOGI LINGKUNGAN
Publisher : Teknik Lingkungan Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/jstl.vol14.iss1.art9

Abstract

Kulit singkong merupakan limbah yang dihasilkan dari pengolahan singkong sebagai bahan baku berbagai produk industri. Kulit singkong dapat digunakan sebagai bahan dalam pembuatan bioadsorben, hal ini dikarenakan kulit singkong mengandung selulosa. Seng merupakan logam berat yang dapat menyebabkan keracunan dan kerusakan lingkungan jika melebihi baku mutu. Tujuan dari penelitian ini adalah untuk mengetahui efisiensi adsorpsi optimum bioadsorben kulit singkong dan untuk mengetahui perbedaan adsorpsi logam berat pada variasi laju alir dan bed depth (kedalaman lapisan). Variasi laju alir yang digunakan adalah 2 mL/menit, 4 mL/menit, dan 6 mL/menit, sedangkan variasi bed depth yaitu 12 cm, 15 cm, dan 18 cm. Metode analisis data yang digunakan adalah analisis deskriptif dan statistik, uji Kruskal-Wallis. Efisiensi adsorpsi logam berat optimum yaitu pada laju alir 2 mL/menit dengan bed depth 15 cm sebesar 92,6% dengan konsentrasi awal 5,726 mg/Liter dan konsentrasi akhir 0,424 mg/ Liter. Data yang diperoleh dari uji statistik menunjukkan bahwa terdapat perbedaan yang signifikan pada variasi laju alir, dan untuk variasi kedalaman lapisan tidak terdapat perbedaan yang signifikan.
Pemanfaatan Limbah Kertas Koran sebagai Bahan Pengganti Agregat Kasar dalam Campuran Papercrete Serta Aplikasinya untuk Elemen Struktur Ringan dan Non Struktur Ramah Lingkungan Pribadi, Arqowi
Al-Ard: Jurnal Teknik Lingkungan Vol. 1 No. 1 (2015): September
Publisher : Department of Environmental engineering, Faculty of Science and Technology, Islamic State University Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/alard.v1i1.28

Abstract

Limbah adalah bahan sisa yang dihasilkan dari suatu proses produksi, baik skala rumah tangga, industri maupun pertambangan. Kertas memiliki kandungan kimia dan alami yang bagus sehingga limbah kertas bisa didaur ulang menjadi berbagai macam bentuk. Kertas koran bekas diolah dahulu menjadi bubur kertas agar pengadukan campurannya lebih mudah. Papercrete adalah suatu material bangunan terbuat dari campuran kertas yang didaur ulang, semen portland, pasir dan air. Pengujian absorpsi dan permeabilitas pada papercrete menggunakan metode eksperimental di laboratorium setelah benda uji berumur 28 hari. Variasi campuran menggunakan perbandingan berat semen, kertas, pasir (SKP) 1:1:1; SKP 1:2:1; SKP 1:3:1; SKP 1:1:2; SKP 1:2:2; SKP 1:3:2 dengan perbandingan faktor air semen (FAS) adalah 1. Benda uji berbentuk silinder berdiameter 7,5cm dan tinggi 27,5cm sebanyak 18 buah untuk uji absorpsi dan 18 buah untuk uji permeabilitas dengan tiga buah benda uji tiap variasi campurannya. Hasil pengujian absorpsi menunjukkan benda uji SKP 112 memiliki nilai absorpsi terkecil yaitu 35,64%, sedangkan benda uji SKP 131 memiliki nilai absorpsi terbesar yaitu 85,73% dengan lama perendaman 10,5 menit. Pada pengujian permeabilitas benda uji SKP 111 memiliki nilai koefisien permeabilitas terkecil yaitu 2,13505x10 -7 m/dt, sedangkan benda uji SKP 132 memiliki nilai koefisien permeabilitas terbesar yaitu 5,17191x10 -6 m/dt selama 1 menit. Kondisi ini menunjukkan bahwa nilai absorpsi dan nilai koefisien permeabilitas pada papercrete akan semakin besar bersamaan dengan penambahan prosentase bubur kertas ke dalam campuran. Pemanfaatan limbah kertas koran untuk pembuatan papercrete ini diharapkan mampu mengurangi permasalahan sampah kertas dan memberi keuntungan perawatan kondisi lingkungan dan sumber daya alam melalui produk material papercrete yang ramah lingkungan pada elemen struktur ringan dan non struktur seperti pembuatan dinding partisi, pengganti paving block dan rabat beton lantai.Kata kunci: pemanfaatan limbah, kertas koran, absorpsi, permeabilitas, papercrete dan aplikasinya
ANALISIS KAPASITAS DAYA DUKUNG PONDASI TIANG KERUCUK PADA BANGUNAN INSTALASI PENGOLAHAN LUMPUR TINJA KABUPATEN SIAK Pribadi, Arqowi
Al-Ard: Jurnal Teknik Lingkungan Vol. 3 No. 1 (2017): September
Publisher : Department of Environmental engineering, Faculty of Science and Technology, Islamic State University Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/alard.v3i1.259

Abstract

IPLT of siak district is installation mud feces built in the district siak riau that launcher to serve around more or less 100.000 soul. The district siak generally soil structure consisting of land podsolik red yellow of rock and alluvial and tanah organosol and gley humus in the form of rawa-rawa or moist soil and building planned to be supplied bracing the ground as the kerucuk. This study aims to analyze the foundation of the kerucuk at every stage IPLT processing. Discharging from pillars foundation kerucuk is created one alternative for bracing of the ground at the land of pulpy/of land the wetness of ground a bog that are requisite and suited to increase carrying capacity of the land or reducing the incidence of of land subsidence related as a result of the construction of units liquid waste processing installations mud fecal matter kabupaten siak. Calculation a power capacity of support pillars foundation kerucuk performed on stage IPLT processing units siak district riau namely anaerobic ponds, the pool facultative, the pool maturasi, the pool solid separation chamber (SSC) and ponds in which a drying sludge bed (SDB). The analysis shows that the capacity of permission to one piece the foundation a wooden pole kerucuk with long in the depths of 12 ft 8 m from the surface of the native land of 4,648 tons. Keywords : mud feces, IPLT, kerucuk pilar foundation.
Studi Keberlanjutan IPAL Komunal di Kota Surabaya: Studi Kasus di RT 2 RW 12 Kelurahan Bendul Merisi Kota Surabaya nilandita, widya; Pribadi, Arqowi; Nengse, Sulistiya; Auvaria, Shinfi Wazna; Nurmaningsih, Dyah Ratri
Al-Ard: Jurnal Teknik Lingkungan Vol. 4 No. 2 (2019): March
Publisher : Department of Environmental engineering, Faculty of Science and Technology, Islamic State University Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/alard.v4i2.484

Abstract

The increase in population is directly proportional to the increase in the amount of clean water. Nearly 80% of clean air becomes waste water. Before being discharged into an air body, waste water needs to be processed first. Operation of WWTP The goal is to treat wastewater to be safely disposed of into the environment. One area that has a communal WWTP is RT 2 RW 12, Bendul Merisi Sub-District, Wonocolo District, Surabaya City. The purpose of this study was to examine the sustainability of communal WWTP in RT 2 RW 12 Bendul Merisi Village, Wonocolo District, Surabaya City. This research is quantitative and quantitative. Communal WWTP at RT2 RW 12, Bendul Merisi Village, Wonocolo District, Surabaya City. Technical aspects have good sustainability status (83.48%), access features are included in a fairly sustainable category (71.38%), institutional aspects have a fairly sustainable sustainability status (56.54%) and economic aspects have a less sustainable sustainability status ( 50%). The results of the study showed that the sustainability status of communal WWTP in RT2 RW 12, Bendul Merisi Subdistrict, Wonocolo Sub-District, Surabaya City was included in the fairly sustainable category (63.85%).
Perencanaan Instalasi Pengolahan Air Limbah (IPAL) Domestik Central Processing Plant (CPP) Gundih PT. Pertamina EP Asset 4 Cepu Field Hanuranti, Aviandini Galih; Nengse, Sulistiya; Pribadi, Arqowi; Nurmaningsih, Dyah Ratri; Utama, Teguh Taruna
Al-Ard: Jurnal Teknik Lingkungan Vol. 6 No. 1 (2020): September
Publisher : Department of Environmental engineering, Faculty of Science and Technology, Islamic State University Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/alard.v6i1.983

Abstract

Central Processing Plant (CPP) Gundih is one of the production facilities of natural gas processing Blok Gundih PT. Pertamina EP Asset 4 Cepu Field from Kedungtuban, Randublatung, and Kedunglusi structure. Main activities of CPP Gundih consist production and operational activities. Production activities produces produced water. The water treatment of produced water processed by a production system and process. Operational activities of CPP Gundih produces wastewater from domestic activities (office) by 161 workers/day. The quantity of domestic wastewater are 21,896 m3/day, and the quality of Biological Oxygen Demand (BOD), Chemical Oxygen Demand (COD), and Total Suspended Solid (TSS) are 9,8 mg/L, 100 mg/L, and 33 mg/L. Grey water and black water currently accommodated in septic tanks. Runoff from the septic tank flowed through drainage without treatment. Therefore, sewerage treatment plant planned with anaerobic-aerobic biofilter. The cost needed for the construction are Rp. 13.590.441,80-.
Co-Authors -, Amrullah Abdul Hakim Aprillia Bunga Firdaus Auvaria, Shinfi Wazna Aviandini Galih Hanuranti Dedy Suprayogi Dyah Ratri Nurmaningsih Fitria Apriliani Utari Hanuranti, Aviandini Galih Karami, Abdillah Akmal KURNIANTO, Alfan Larasati, Indah Mega Ayundya Widiastuti Muchammad Ali Ma'shum Mujaddidi Munfarida, Ida Naufal Rozan, Muhammad Nilandita, Widya Nisya, Risma Awwalin Nurdiansyah, Amirul Rahayu, Septiya Rini Ratih Arum Sari Rr Diah Nugraheni Setyowati, Rr Diah Nugraheni Sarita Oktorina Septiyanna Rokhmawati Dewi SETYOWATI, Diah Nugraheni Sulistiya Nengse Taufiqurrahman, Ahmad Teguh Taruna Utama Widayanti, Linda Prasetyaning Yusrianti, Yusrianti Yustrianti Yustrianti