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All Journal Eksergi: Chemical Engineering Journal Jurnal Dampak Journal of Forest Science Avicennia
Ilham Satria Raditya Putra
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology

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Keanekaragaman Tumbuhan di Kawasan Hutan Mangrove Pangarengan Cirebon Afni Atika Marpaung; Budi Mulyana; Ris Hadi Purwanto; Puspita Intan Sari; Muhamad Faqih Hidayatullah; Agik Dwika Putra; Ilham Satria Raditya Putra
Journal of Forest Science Avicennia Vol. 4 No. 2 (2021): AGUSTUS
Publisher : Universitas Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/avicennia.v4i2.18180

Abstract

Mangrove Pangarengan yang terletak di Pesisir Kecamatan Pangenan, Kabupaten Cirebon masih terbatas informasi tentang keanekaragaman tumbuhannya. Penelitian ini bertujuan untuk mengetahui keanekaragaman tumbuhan yang ada di kawasan hutan mangrove Pangarengan Cirebon. Penelititan ini merupakan penelitian deskriptif dengan pengambilan data menggunakan metode jelajah. Analisis data dilakukan dengan menggunakan metode deskripsi keanekaragaman tumbuhan (description method to species diversity).  Identifikasi dan klasifikasi data berdasarkan jenis yang ditemukan. Berdasarkan hasil penelitian, ditemukan sebanyak 24 spesies tumbuhan yang berasal dari kelas yang sama yaitu Magnoliopsida, dan terdiri atas 10 ordo, 15 Famili, dan 23 Genus. Famili yang paling banyak ditemukan adalah Asteraceae yaitu sebanyak 5 spesies. Perawakan tumbuhan yang dijumpai pada penelitian ini adalah pohon, liana, perdu, dan herba. Berdasarkan hasil pengamatan di lapangan, tumbuhan yang mendominasi di kawasan hutan mangrove Pangarengan adalah mangrove sejati Rhizophora mucronata yang banyak tumbuh di sepanjang tepi sungai, dan Avicennia marina yang banyak ditemukan di sepanjang tepi laut
Characteristics and Applications of Sea Water Reverse Osmosis Reject Water of PT Cirebon Electric Power as Voltaic Cell Electrolyte and Salt Raw Material Dimas Agung Pramudikto; Satya Nugroho; Agik Dwika Putra; Ilham Satria Raditya Putra; Sigit Setyawan; Teguh Ariyanto
Eksergi Vol 19, No 2 (2022)
Publisher : Prodi Teknik Kimia, Fakultas Teknologi Industri, UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/e.v19i2.5361

Abstract

Sea Water Reverse Osmosis (SWRO) reject water produced by PT Cirebon Electric Power has not been optimally utilized. In this research, a study of the characteristics of SWRO reject water was carried out to determine important properties such as turbidity, conductivity, pH and salinity. This characteristic is important as a basis for consideration of SWRO reject water applications. In addition, data were taken from a fairly long period of 5 years of SWRO operation (2016-2021) so that the consistency of the data can be known. The results showed that SWRO reject water had low turbidity (0.18±0.08 NTU), high conductivity of ca. 76.000 µS/cm, neutral pH and high salinity (4.6±0.3%). The study of the utilization of SWRO reject water was then carried out, namely as an electrolyte for salt water lamps and as raw material for making salt. The results showed that SWRO reject water can be used as an electrolyte for salt water lamps which produces a voltage potential up to 1.4 Volts (20% higher than seawater electrolyte). As a raw material for salt, the salt produced has excellent characteristics (eg 99% NaCl) and complies with SNI 3556:2016, except for the KIO3 content.
Pemanfaatan Sludge Ash Pond PT. Cirebon Electrical Power (CEP) sebagai Bahan Bakar Alternatif Agik Dwika Putra; Ilham Satria Raditya Putra; Rochim Bakti Cahyono
Eksergi Vol 20, No 2 (2023)
Publisher : Prodi Teknik Kimia, Fakultas Teknologi Industri, UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/e.v20i2.9845

Abstract

As one of the power plants that uses coal as an energy source, PT Cirebon Electric Power (PT CEP) is committed to addressing waste problems with the 3R principle. Sludge ash ponds which is waste of the process production has the potential for alternative fuel. This study aims to evaluate the utilization of sludge ash ponds with the main target parameter in the form of calorific value. Based on proximate analysis, sludge pond ash only had a low heating value, around 210 kcal/kg, thus unbeneficial to be used as fuel directly. In order to make efficient utilization, a pyrolysis process was carried out to increase the existing heating value and was obtained at 700 – 870 kcal/kg. Generally, the standard of alternative fuel had minimum heating value of 4500 kcal/kg, therefore the blending process was carried out based on the fuel availability in the industrial site. The results of blending using coal showed that the high heating value of mixed briquette product was achieved at elevated more coal content used. By paying attention to the standard heating value, the ratio composition of ash pond to coal, 20/80 satisfy for utilization, where the heating value was around 4600 kcal/kg. The blending proses using pyrolysis char of ash pond showed un significant effect on the increasing of heating value, for example in a 40/60 ratio, the difference between the two types materials was only 210 kcal/kg. Therefore, pyrolysis pretreatment of sludge ash pond had unsignificant impact compared to the energy expended to run the process
Studi Kasus Pengolahan Air PLTU Y 1×660 MW dengan LCA Ilham Satria Raditya Putra; Arie Dipareza Syafe'i
Dampak Vol. 22 No. 2 (2025)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/dampak.22.2.50-64.2025

Abstract

Water treatment plays a vital role in supporting coal fired power plant operations. This process influences the quality of demineralization water used as boiler feed water and cooling media. Furthermore, the post-treatment process before discharge into water bodies also determines the extent of environmental impact. This study presents a Life Cycle Assessment (LCA) of a coal-fired power plant’s water treatment. The study aims to evaluate the environmental impacts of the water treatment process, including chemical usage and waste management as a by-product from the treatment of water quality, and also determine the process point with the significant impact. These steps include defining the purpose and scope, inventorying and assessing life cycle impacts, and interpretation. Through an approach using the CML IA Baseline and ReCiPe 2016 Midpoint, the impact assessment focused on the effects that influence the sustainability of terrestrial and aquatic ecosystems such as marine aquatic ecotoxicity, human toxicity, and other impacts. The impact assessment indicates that the significant environmental impact is influenced by chemicals, especially the coagulant and hazardous waste such as used oil and used hazardous packaging. This influences the high environmental impacts such as marine aquatic ecotoxicity, terrestrial ecotoxicity, human carcinogenic toxicity, and global warming potential. The implementation strategy of environmental programs is carried out, such as the substitution of FeCl3 to Al2(SO4)3, reuse of used hazardous packaging, and processing used oil into vehicle oil. This study can provide an overview for similar industries in optimizing power plant water treatment processes towards sustainable operations.   Keyword: environmental program, life cycle assessment, risk management, water treatment
Co-Authors Afni Atika Marpaung Agik Dwika Putra Arie Dipareza Syafe'i Budi Mulyana, Budi Dimas Agung Pramudikto Muhamad Faqih Hidayatullah Puspita Intan Sari Ris Hadi Purwanto Rochim Bakti Cahyono Satya Nugroho Sigit Setyawan Teguh Ariyanto