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Intan Dwi Wahyu Setyo Rini
Institut Teknologi Kalimantan
Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Mechanical Engineering Public Health Social Sciences Other

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Journal : Specta Journal of Technology

 1 
Pengaruh Penambahan H2O2 sebagai Foaming Agent pada Karakteristik Batu Bata Ringan Tahan Api Berbahan Dasar Fireclay dan Fly Ash PLTU Teluk Balikpapan Adrian Gunawan; Amelia Anggraini Pangestu; Etty Rahmayanti; Andika A.I. Saputra; Intan Dwi Wahyu Setyo Rini; Ainun Zulfikar; A. I. Arobi
SPECTA Journal of Technology Vol. 6 No. 1 (2022): SPECTA Journal of Technology
Publisher : LPPM ITK

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (273.494 KB) | DOI: 10.35718/specta.v6i1.390

Abstract

Total kebutuhan material refractory di Indonesia mencapai 200.000 ton per tahun, sedangkan kapasitas produksi mencapai 50.000 ton per tahun. Untuk memenuhi kebutuhan tersebut, diperlukan bahan baku alternatif selain bahan baku utama yakni fireclay yang berasal dari tanah liat, yakni Fly Ash (FA) dari sisa pembakaran batu bara di PLTU. Jenis material refractory dalam penelitian ini adalah batu bata ringan tahan api, dengan menggunakan zat Hidrogen Peroksida (H2O2) sebagai foaming agent. Fly Ash digunakan berasal dari PLTU Teluk Balikpapan dengan tingkat substitusi fireclay sebesar 5% s.d 25%, serta H2O2 dengan variasi 5 ml s.d 9 ml. Analisis yang dilakukan adalah XRF untuk FA, serta kuat tekan, densitas, penyerapan, porositas, dan shrinkage untuk specimen batu bata ringan tahan api. Hasil kuat tekan terbaik adalah 0,549 Mpa dengan linier shrinkage 2%, penyerapan 37,46%, 2%, densitas 1,44 g/cm3, dan porositas 50%
Analisis Dampak Lingkungan Pengolahan Limbah Fly Ash dan Bottom Ash dengan Metode Siklus Daur Hidup (Life Cycle Assessment/LCA) di Industri Pembangkit Listrik Tenaga Uap Intan Dwi Wahyu Setyo Rini; Madah Maria; Eka Masrifatus Anifah; Andika Ade Indra Saputra; Adrian Gunawan; Ahmad Ibnu Arobi
SPECTA Journal of Technology Vol. 6 No. 3 (2022): SPECTA Journal of Technology
Publisher : LPPM ITK

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1003.664 KB) | DOI: 10.35718/specta.v6i3.761

Abstract

PLTU Teluk Balikpapan with a 2 x 110 MW capacity generated fly ash and bottom ash as its waste. The waste was treated by backfilling on open land or called a landfill. The landfill was not effective because it required a large area to accommodate the waste. This research aimed to analyze waste treatment's environmental impact and identify the best scenario from three fly ash and bottom ash treatment options. The first scenario was the existing treatment that used landfill, the second was utilization into paving blocks, and the third was utilization into compost. The method in this research used Life Cycle Assessment (LCA) method. The LCA stages referred to ISO 14040 of 2006 which consists of objectives and scope, inventory analysis, impact analysis, and interpretation. The results of the analysis of the contribution of impacts on the environment with Scenario 1 obtained three impacts with the highest value, namely natural land transformation with a value of 15.8 then climate change with a value of 9.5, and particulate matter formation with a value of 6.8. Furthermore, the calculation shows that the best scenario for fly ash and bottom ash waste treatment was scenario 3: processing into compost.
Evaluasi Pengelolaan Sampah di Kelurahan Baru Tengah Rini, Intan Dwi Wahyu Setyo; Yani, Fitdri Handra; Hayati, Rina Noor
SPECTA Journal of Technology Vol. 7 No. 2 (2023): SPECTA Journal of Technology
Publisher : LPPM ITK

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35718/specta.v7i2.828

Abstract

Kelurahan Baru Tengah, located in Balikpapan, is a densely populated area. Still, the lack of community participation and awareness in waste management is seen from the accumulation of waste outside the waste shelter (TPS). This condition has an impact on hygiene and public health. Waste accumulation outside the waste shelter can also be caused by inadequate TPS facilities or limited TPS capacity. Therefore, research was carried out to evaluate waste containers in Kelurahan Baru Tengah. This research was conducted through field observations and waste sampling per the procedures listed in the SNI. Waste sampling was conducted eight days at three residential locations based on house conditions and two waste shelter locations to determine waste generation, composition, and characteristics. The results of this study showed that waste generation for permanent housing was 0.13 kg/person/day, waste generation for semi-permanent housing was .0.13 kg/person/day, and for non-permanent housing was 0.21 kg/person/day. The waste composition in Kelurahan Baru Tengah was dominated by organic waste at 50%, consisting of food and vegetable and fruit waste. The characteristic test showed that the waste in Kelurahan Baru Tengah had a moisture content of 90% and a C/N ratio of 17.6%.
Strategi Penurunan Dampak Lingkungan pada Instalasi Pengolahan Air Minum di Kota Balikpapan dengan Metode Life Cycle Assessment (LCA) Muhamad Nur Ibnu Luthfi Saud; Haifa Cahya Nabila Almunawar; Intan Dwi Wahyu Setyo Rini; Tasya Mirza Ratu Pattisahusiwa; Rizka Lestari
SPECTA Journal of Technology Vol. 9 No. 2 (2025): Specta Journal of Technology
Publisher : LPPM ITK

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35718/specta.v9i2.8481481

Abstract

The clean water production process must be carried out effectively without harming the environment. The Regional Drinking Water Company (PDAM) Tirta Manuntung Balikpapan City produces clean water through several Drinking Water Treatment Plants (DWTP) such as Kampung Damai and Kilometer (KM) 8. Potential negative impacts can arise from the use of chemicals, processing methods and units, as well as high-power equipment. The Life Cycle Assessment (LCA) method can be used to systematically calculate the environmental impacts of an activity's input, process, and output. This study aimed to calculate the environmental impacts due to the production process at Kampung Damai DWTP and KM 8 DWTP of Balikpapan City using the LCA method, as well as formulate strategies to reduce negative impacts. The principle of this study was to calculate impacts using the ReCiPe 2016 model (midpoint H), based on software (SimaPro), with gate-to-gate data coverage (from the intake unit to the reservoir). The study's results found that every 1 m³ of production at Kampung Damai DWTP resulted in impacts in the form of human carcinogens (0.0179 pt), freshwater ecotoxicity (0.00329 pt), and freshwater eutrophication (0.00266 pt). Meanwhile, at KM 8, DWTP resulted in human carcinogenic impacts of 0.026 pt, freshwater ecotoxicity of 0.04 pt, and marine ecotoxicity of 0.03 pt. Alternative strategy to mitigate potential environmental impacts can be implemented through the substitution of aluminum sulfate (Al2SO4) chemicals with Poly Aluminum Chloride (PAC), which reduces human carcinogenicity by 28%, freshwater ecotoxicity by 12%, and freshwater eutrophication by 4% at Kampung Damai DWTP. Furthermore, substitution of chemicals with PAC and low-power electrical equipment can reduce human carcinogenicity by 8.38%, freshwater ecotoxicity by 14.09%, and marine ecotoxicity by 12.13% at KM 8 DWTP.
Co-Authors A. I. Arobi Adrian Gunawan Adrian Gunawan Adrian Gunawan, Adrian Ahmad Ibnu Arobi Ahmad Zainun Aini, Rifqi Irza Noor Ainun Zulfikar Amalia, Dwi Nur Amelia Anggraini Pangestu Andika A.I. Saputra Andika Ade Indra Saputra Andika Ade Indra Saputra, Andika Ade Indra Anggie Melinda Handayani Anifah, Eka Masrifatus Ariani, Ismi Khairunnissa Arisa, Nursanti Novi Arman Arman Arobi, Achmad Ibnu Arum Ananda Putri Bayu Akhmad Nugraha Bayu Wijaksana Atmawijoyo Choirulahnisa Nur Priono Crisviandi, Bhekti Dzaki Allam Ziha Etty Rahmayanti Gabriel Sianipar Gerald, Endey Juan Fitz Haifa Cahya Nabila Almunawar Hapsari, Intan Mutiaraning Haris Arief Fahrurroji Hayati, Rina Noor Hijriah Hijriah Idhil Ismail, Andi Jefri Pandu Hidayat Khala, Christianto Credidi Septino Kiswoyo, Didik Lodan, Maria Patricia Bale Lukman, Fadillah Afdalya Madah Maria Marita Wulandari Muhamad Nur Ibnu Luthfi Saud Muhammad Fajrin Wahab Muhammad Ghiffari Faza Muhammad Ilmi Khairul Ikhsan Muhammad Ridho Muhammad Yusuf Prasetyo, Adjie Purwanto, Mochammad Puspasari, Meilani Tri Putri, Iqoh Andini Rachmalita, Nur Cholilah Rachmat Hidayat Ris Dinda Anggraeny Riyan Benny Sukmara Rizka Lestari Sihombing, David Christ Parulian Situmorang, Raftonado Syamsudin, Muhammad Maulana Tasya Mirza Ratu Pattisahusiwa Umi Sholikah Yani, Fitdri Handra Yumaroh, Ilal Jannati