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All Journal Bumi Lestari Jurnal Ilmu Lingkungan Jurnal Sains dan Teknologi Jurnal Sains dan Teknologi Jurnal Teknik Sipil Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Journal of Engineering and Technological Sciences Jurnal Dampak Jurnal Rekayasa Sipil dan Lingkungan RACIC : Rab Construction Research Jurnal Sains Teknologi dan Lingkungan (JSTL) Jurnal Penelitian Pendidikan IPA (JPPIPA) Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Al-Ard: Jurnal Teknik Lingkungan Jurnal Abdimas PHB : Jurnal Pengabdian Masyarakat Progresif Humanis Brainstorming Jurnal Penelitian IPTEKS JURNAL TEKNIK Neo Teknika: Jurnal Ilmiah Teknologi Jurnal Teknik Sipil dan Teknologi Konstruksi Jurnal Daur Lingkungan KAIBON ABHINAYA : JURNAL PENGABDIAN MASYARAKAT Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Journal of Infrastructure and Civil Engineering Bhakti Nagori (Jurnal Pengabdian kepada Masyarakat) Techno SAINSTEK Jurnal Meteorologi dan Geofisika JURNAL REKAYASA KIMIA & LINGKUNGAN
Lita Darmayanti
Universitas Riau
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Physics Public Health Social Sciences Transportation

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Distribusi Kelimpahan Mikroplastik Pada Sedimen Sungai Sibam, Pekanbaru, Riau Muhammad Hasbu Nazar; Lita Darmayanti; Gunadi Priyambada
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 8 (2021): Edisi 2 Juli s/d Desember 2021
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Microplastics are one of the major threats to ecosystems in rivers. Microplastic is the smallest part of plastic measuring <5 mm which if it enters the environment it will accumulate in the waters and is not easily removed because of its persistent nature. The abundance of microplastics is strongly influenced by their activities and pollutant sources. The Sibam River is a tributary that empties into the Siak River. The high activity along the river and the presence of settlements are thought to be the distribution route for microplastics to the river. The purpose of this study was to determine the abundance and types of microplastics in the Sibam River, Pekanbaru Riau. The abundance of microplastics obtained was based on 3 segments, which ranged from 4.444-11,555 particles/kg dry sediment. The types of microplastics found in this study were fiber (15.38%), film (40.38%), and fragments (44.24%).Keywords: microplasty, abundance, sediment, Sibam River
Pengaruh Molaritas Dan Rasio Aktivator Pada Geopolimer Untuk Pengolahan Air Gambut Kartika Pratama Syafitri; Edy Saputra; Lita Darmayanti
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 2, No 1 (2015): Wisuda Februari Tahun 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Peat water is the brownish red water that come from the surface of peat soil with high organic content, pH 2-5, and low harness level. Geopolymer is the silicate alumina inorganic compound which synthesized by some materials such as fly ash, kaolin and rice husk ash. The chemical composition like zeolite, that structurally composed from macromolecules chain which consist of silicon atomics, aluminium, and oxygen. This research make use of geopolymer from kaolin as the adsorbent which reduced color, organic content, and increasing pH of peat water with Permenkes No.416/MENKES/PER/IX/1990. In the research make use of molarity variation NaOH 10, 12, 14, 16 M and activator ratio 0,4, 0,5, 0,6 at geopolymer to treatment peat water. The result of this research is treatment peat water with geopolymer 16 M – 0,6 that capable to make pH (become) 6,8, color (integrity) 0 Pt-Co and organic content 3,16 mg/L KMnO4.Keyword: Peat water, geopolymer, molarity, activator ratio, color, organic content, pH
Karakterisasi Dan Potensi Pemanfaatan Limbah Rumah Makan Sebagai Energi Terbarukan Fikri Julian; David Andrio; Lita Darmayanti
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 7 (2020): Edisi 2 Juli s/d Desember 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Food Waste contains high concentrations of organic pollutants. The high organic concentration in food waste makes it suitable reused as an energy source. This study aims to investigate the characteristics of food waste and analyze the potential of food waste. The results of this study indicate the concentration of COD in food waste 58.514 mg / L, oil and fat amounting to 2.340 mg / L and pH 3,4. With high organic concentration then food waste can be utilized as bioethanol and biogas. Keywords: Food Waste
Aplikasi Biosand Filter Dengan Penambahan Media Karbon (Arang Kayu) Untuk Pengolahan Air Sumur Daerah Gambut Okdika Berliandra; Yohanna Lilis Handayani; Lita Darmayanti
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 2, No 1 (2015): Wisuda Februari Tahun 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Refers to the results test from UPT Health and Environment Laboratory in Pekanbaru, the quality of water wells in peat areas on Kadiran Street RW.06 / RT.03, Kulim, Tenayan Raya District, Pekanbaru City, has turbidity (CaCO3) level of 18 mg/L and contains iron metal (Fe) < 0,0195 mg/L, manganese (Mn) < 0,0248 mg/L, organic substances (KMnO4) 9,7 mg/L, pH levels between of 4.9 – 5.2, and smelling. This condition makes water wells in peat areas should through processing water treatment before consumed. Biosand filter with the addition of carbon (charcoal) is the one of alternative treatment for water wells in peat areas with simple and natural concept. The purpose of this research for determining the efficiency from using biosand filter with the addition of carbon (charcoal) to get the most quality of water wells in peat areas based on the parameters pH, smelling, and organic substances. Reactor of biosand filter is made from PVC pipe diameter of 6" and high 150 cm. The results showed that, biosand filter produces the best efficiency to increase the pH value up to 26.00%, to decrease organic substances value up to 91.92%, and eliminates of smelling. In generally, water wells in peat areas which produced by biosand filter process can to repair the parameters of the organic substances and smelling. However water discharge producing from reactor of biosand filter is too small, so that not effective to be applied.Keywords: water wells, biosand filter, charcoal
Kemampuan Constructed Wetland Jenis Aliran Bawah Permukaan (SSF - Wetland) Dalam Mengolah Air Limbah Kawasan Komersial Oni Loretha; Lita Darmayanti; Yohanna Lilis Handayani
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 1, No 2 (2014): Wisuda Oktober Tahun 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Wastewater of commercial areas such as hotels, shops, restaurants, offices, and shopping centers relatively contain high pollutant concentrations, they caused the imbalance of drainage ecological quality, health problems, and the water pollution itself. The effective technology in treating waste wateris The Sub Surface Flow Constructed Wetland (SSF-Wetland) that maximize either the impact or the potentcy of the plants in treating waste waterin the physical, chemical and biological wayby using plants/vegetation, water and microorganisms to reduce the level of pH, Chemical Oxygen Demand (COD), and the level of Total Suspended Solid (TSS) contained in waste water by slowly flowing them through the inlet hole to the surface covered by the living plants. The experimental result shows by using bamboo water plant (Equisetum hyemale) in artificial wetland system, the content of pollutants in wastewater can be eliminated. The highest average value of COD reduction efficiency is 61.9 %, 92.6 % of TSS and the decreasing of pH reaches 29.4%. The advantage of wastewater treatment using this system enables us to produce the appropriate water quality of the domestic wastewater based on the quality standards.  Keywords:Equisetum hyemale, SSF-Wetland, wastewater
Pengaruh Rasio Padat/Cair dan Waktu Pengadukan pada Proses Ekstraksi Silika dari Palm Oil Fly Ash (POFA) Fika Rahma Yuni; Lita Darmayanti; Dewi Fitria
Al-Ard: Jurnal Teknik Lingkungan Vol. 6 No. 2 (2021): Maret
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.v6i2.1065

Abstract

Palm oil fly ash (POFA) is one of the solid wastes produced from burning palm kernel shells and coir as a steam generator for palm oil mills. POFA has a high silica content and might potentially to be used as an adsorbent. The removal of impurity metals and the separation of SiO2 by extraction process is a way to improve the performance of silica. The extraction process is influenced by several factors including the solid/liquid ratio and the stirring time. This study used a solid/liquid ratio of 1: 8, 1:10, 1:12 and a stirring time of 120; 150; 180; and 210 minutes. The results showed the highest mass of silica deposits was at a ratio of 1:12 and stirring time of 210 minutes with a mass of 18.35 grams or 73.4% of 25 grams of POFA with a silica content of 47.97% and a silica surface area 8.18 m2/g. Silica from each variation was tested on peat water. The highest removal efficiency of color, organic matter, and Fe were 80%, 46%, and 37% respectively by the extracted silica with a solid/liquid ratio 1:12 and stirring time 210 minutes.
Membran Keramik Berbahan Dasar Tanah Liat dan Fly Ash untuk Penyisihan Warna dan Zat Organik pada Air Gambut Lita Darmayanti; Mutia Putri; Edward HS
Jurnal Rekayasa Sipil dan Lingkungan Vol 6 No 1 (2022): Jurnal Rekayasa Sipil dan Lingkungan
Publisher : Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jrsl.v6i1.28173

Abstract

Peat water is surface water or groundwater that is widely found in tidal areas, swampy and lowland, brownish red, and has a high organic content. The large amount makes peat water an alternative source of water for people who live on peatlands even though they have not met the standards of clean water quality. This study aims to treat peat water using the ceramic membrane filtration process of clay materials and coal fly ash for the removal of color and organic substances Research is conducted by varying the composition of the material and temperature of ceramic membrane combustion with the composition of TL:FA (60:40; 50:50; 40:60%) and combustion temperature (750; 800; 850 ºC), and calculating the rate of flow speed (flux). The best composition of materials and combustion temperatures are obtained at a composition of 50:50% and a temperature of 850 ºC with the efficient removal of color and organic substances are 98.70% and 94.35% respectively. In contrast, the highest flux values are obtained in ceramic membranes with a composition of 40:60% and combustion temperatures of 850 °C which is 0.96 L / m2.h. ABSTRAK Air gambut adalah air permukaan atau air tanah yang banyak terdapat di daerah pasang surut, berawa dan dataran rendah, berwarna merah kecoklatan, dan memiliki kandungan organik tinggi. Jumlahnya yang banyak membuat air gambut menjadi sumber air alternatif bagi masyarakat yang tinggal di lahan gambut meski belum memenuhi baku mutu air bersih. Penelitian ini bertujuan mengolah air gambut menggunakan proses filtrasi membran keramik dari bahan tanah liat dan fly ash batubara untuk menyisihkan warna dan zat organik Penelitian dilakukan dengan memvariasikan komposisi bahan dan temperatur pembakaran membran keramik terbaik dengan komposisi bahan TL:FA (60:40; 50:50; 40:60 %) dan temperatur pembakaran (750; 800; 850 oC), serta menghitung laju kecepatan alirannya (fluks). Komposisi bahan dan temperatur pembakaran terbaik didapatkan pada komposisi 50:50 % dan temperatur 850 oC dengan efisiensi penyisihan warna dan zat organik yang dihasilkan berurutan sebesar 98,70% dan 94,35%, sedangkan nilai fluks tertinggi diperoleh pada membran keramik dengan komposisi 40:60 % dan temperatur pembakaran 850 oC yaitu sebesar 0,96 L/m2.jam.
Pemanfaatan Floating Treatment Wetland Untuk Pengolahan Air Limbah Penatu Dwiegi Safitri Febriani; Lita Darmayanti; Yohanna Lilis Handayani
Techno (Jurnal Fakultas Teknik, Universitas Muhammadiyah Purwokerto) Vol 23, No 1 (2022): Techno Volume 23 NO.1 April 2022
Publisher : Universitas Muhammadiyah Purwokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/techno.v23i1.11266

Abstract

Penatu adalah usaha yang bergerak di bidang pencucian atau penyetrikaan pakaian. Selain banyak keuntungan, bisnis penatu ternyata berdampak buruk bagi lingkungan. Biasanya air limbah deterjen dibuang langsung ke saluran drainase tanpa melalui proses pengolahan terlebih dahulu. Jika hal ini dibiarkan terus menerus akan menimbulkan masalah pencemaran air. Penelitian ini bertujuan untuk mengetahui pengaruh kadar air dan waktu detensi pada pengolahan air limbah penatu dengan metode floating treatment wetland dengan tumbuhan Vetiveria zizanioides. Kualitas hasil pengolahan diukur dengan parameter pH, TSS, COD. Variasi tinggi muka air dan waktu detensi pada penelitian ini adalah 10 cm, 15 cm, 20 cm dan 5, 10, 15 hari. Berdasarkan uji anova dua arah dapat disimpulkan bahwa waktu detensi berpengaruh terhadap penurunan kadar pH, TSS, dan COD. Hasil penelitian menunjukkan penurunan pH 19,35%, TSS 83,33%, COD sebesar 62,96 %. Hal ini menunjukkan bahwa floating treatment wetland dapat digunakan untuk mengolah limbah penatu.
Kajian Sifat Fisik Lahan Gambut Terhadap Tahanan Listrik Dengan Alat Geolistrik (Studi Kasus: Desa Lukun, Kecamatan Tebing Tinggi Timur, Kabupaten Kepulauan Meranti) Fadli Dirga Subardi; Muhamad Yusa; Lita Darmayanti
SAINSTEK Vol. 10 No. 1 (2022)
Publisher : Sekolah Tinggi Teknologi Pekanbaru

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35583/js.v10i1.9

Abstract

Lahan gambut merupakan tanah yang memiliki kandungan organik tinggi hasil pembusukan tanaman. Parameter karakteristik utama lahan gambut adalah kadar air, berat volume, berat jenis, kadar abu, dan kadar serat. Provinsi Riau memiliki 3,867 juta hektar lahan gambut termasuk Kabupaten Kepulauan Meranti yang sebagian besar merupakan lahan gambut. Pengujian laboratorium terhadap sifat fisik gambut membutuhkan waktu dan biaya yang mahal. Secara umum resistivitas listrik suatu material dipengaruhi oleh karakteristik fisiknya. Penelitian ini bertujuan untuk mengetahui ada tidaknya hubungan antara nilai resistivitas gambut dengan sifat fisiknya. Penelitian ini dilakukan dengan mengebor lahan gambut dengan interval 50 sentimeter dengan alat bor gambut tipe Rusia. Uji resistivitas dilakukan di lapangan pada soil box yang berisi sampel gambut. Sampel tanah gambut kemudian ditimbang di lapangan untuk ditentukan berat basahnya kemudian diambil untuk pengujian laboratorium lebih lanjut. Disimpulkan bahwa tipe lahan gambut yang dominan di Kabupaten Kepulauan Meranti adalah lahan gambut hemic. Hasil statistik dari penelitian ini menunjukkan korelasi yang sangat rendah antara nilai resistivitas gambut dengan sifat fisiknya, hal ini menunjukkan bahwa lahan gambut sangat heterogen
Studi Kuat Geser Lahan Gambut dengan Uji Geolistrik dan Alat Dokenbo Dian Paramita; Muhamad Yusa; Lita Darmayanti
Sainstek (e-Journal) Vol. 9 No. 2 (2021)
Publisher : Sekolah Tinggi Teknologi Pekanbaru

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Abstract

Berkembangnya zaman dan meningkatnya jumlah penduduk mengakibatkan penggunaan lahan marginal seperti lahan gambut tidak dapat di hindari. Lahan gambut memiliki karakteristik kepadatan rendah dan konsistensi lunak-sangat lunak. Penentuan kekuatan geser gambut baik di laboratorium maupun di lapangan tidak mudah, alat yang biasa digunakan di lapangan seperti sondir dan SPT memiliki bobot alat berat dan rentang pengukuran yang terlalu besar. Penelitian ini bertujuan mengembangkan metode untuk menentukan kekuatan geser dari nilai resistivitas. Penelitian ini menggunakan alat dokenbo portabel dan uji resistivitas. Pengujian dilakukan di Meranti, daerah yang sebagian besar terdiri dari lahan gambut. Hasil penelitian menunjukkan bahwa rentang nilai resistivitas gambut dominan yang diperoleh adalah 61-70 ohm.m dengan rentang nilai resistivitas 6,7-140 ohm.m. Rentang nilai penetrasi gambut yang dominan adalah 401-500 kN/m2 dengan rentang nilai penetrasi 125-1800 kN/m2. Rentang kohesi gambut yang dominan adalah 0,1-0,5 kN/m2 dengan rentang nilai kohesi 0,1-6,5 kN/m2. Rentang nilai sudut geser dalam gambut dominan adalah 13p-20o dengan rentang nilai sudut geser dalam 13,76o-50,2o. Hubungan dilakukan antara resistivitas dan penetrasi, resistivitas dan kohesi, resistivitas dan sudut geser. Penelitian ini menghasilkan hubungan statistik paling tinggi terjadi pada hubungan resistivitas dan kohesi sebesar R2 = 0,1788.
Co-Authors AA Sudharmawan, AA Adawiyah, Rodiah Rabi’ah Al Adrianto Ahmad Alex Kurniawandy Amalia Masturah Aminuyati Annam, M. Khairul Annisa Arifandita Mifshella Arhamny Arhamny Ari Sandhyavitri Aryo Sasmita Atria Martina Bahruddin Bambang Sujatmoko Benny urzikri Rahim Cahyani, Anugrah Damanhuri, Enri Damayanti, Elok David Andrio Desasy, Hannifah Julian Desce P Simarmata, Stella Dewi Fitria Dewi Fitria DEWI FITRIA, DEWI Dewi, Dian Kharisma Dian Paramita Dwiegi Safitri Febriani Dwiegi Safitri Febriani Edward HS Edward Hs Edward Sitio Edy Saputra Elvi Yenie, Elvi Enri Damanhuri Enri Damanhuri Enri Damanhuri Ermiyati Ermiyati Ermiyati Ermiyati, Ermiyati Eryan Chintya Debby Esther RA Fachry Abda El Rahman Fadli Dirga Subardi Fauzi, Manyuk Febiola, Ollga Febriana, Hertina Febriansyah, M. Ferdy Ashari Syawal Fika Rahma Yuni Fika Rahma Yuni Fikri Julian Fitra, Rakha Athaya Grethy Asmara Sitorus Habrio Ilva YR Hamdani . Hamdani Hamdani Hendriani, Annisa Hesti, Tsaniatul Amania Husni, Afdaul Imelda Dewi Agusti Iqbal Perdana Putra Irpan, Apdani Jaya Alexander Pandiangan Jecky Asmura Kartika Pratama Syafitri Khairani , Ayu Dhea Khairat Kholik, Dede Abdul Leowedi, Agung Lidya Astuti Lisa Asmiyarna Lisa Asmiyarna M. Khairul Annam M. Ridwansyah Mahardika, Dewa Ayu Divia Pradhaswari Mahombar, Boby Steven Marta Yudha Ozman May Kristina Maya Septiani Wijaya Monita Olivia Muhamad Yusa Muhammad Hasbu Nazar Muhardi Muhardi Mutia Putri Mutia Putri Nadia Yulia Lestari Nadya Dwi Permatasari Vionola Norima Sabrina Novriyanti, Lucky Okdika Berliandra Olivia, Arinda Oni Loretha Priscilia P Girsang, Yemima Priyambada, Gunadi Purwoko, Agus Putra, Iqbal Perdana Putri, Dini Riskiana Putri, Nofia Afifah Regina Deva Aulia Reynaldi Saputra Rezeki, Muhammad Dio Rilian Gerry Sitompul Ririn Yuari Farandia Roma Dearni Ryan Renaldi S Siswanto Safitri, Nurramadhani Saputra, Muhammad Ramadhan Sarah Dwi Arini Shinta Elistya Shinta Elystia Sigalingging, Krisda Novita Soewignjo Agus Nugroho Soewignjo Agus Nugroho Sri Febria Sri Helianty Sri Rezeki Muria Suci, Nabila Rahma Suprihanto Notodarmodjo Suprihanto Notodarmojo Sutikno, Sigit Syamsul Arifin Syarfi Daud Tania Octalina Tamamy Ucok H Pulungan Usman, Ratika Winda Astuti Halinda Putri Wulandari Wulandari Yasmin Nabila Dharma Yogi Guntara Yohanna Lilis H Yuni, Fika Rahma Zuchra Helwani