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All Journal Jurnal Kimia (Journal of Chemistry) Jurnal Bahan Alam Terbarukan CHEMICA Jurnal Teknik Kimia Eksergi: Chemical Engineering Journal Seminar Nasional Teknik Kimia Kejuangan Prosiding Semnastek Elkawnie Sains Natural: Journal of Biology and Chemistry Chemistry Indonesian Journal of Chemical Research CHEESA: Chemical Engineering Research Articles Martabe : Jurnal Pengabdian Kepada Masyarakat Jurnal Pemberdayaan: Publikasi Hasil Pengabdian Kepada Masyarakat Jurnal Teknik Kimia Jurnal Ilmiah Teknik Kimia Bubungan Tinggi: Jurnal Pengabdian Masyarakat Indonesia Berdaya Open Science and Technology Journal of Fibers and Polymer Composites Jurnal Teknik Kimia dan Lingkungan Indonesian Journal of Chemical Engineering
Rahayu, Aster
Ahmad Dahlan University
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Veterinary Other

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Optimization and Characterization Cellulose Content of Cocoa Pod Husk from Cocoa Fermentation Center in Gunung Kidul Regency, Indonesia Through The Extraction Process Amrillah, Nafira Alfi Zaini; Hanum, Farrah Fadhillah; Rahayu, Aster; BalqisViratu Hapsari, Alliya; Nuraini
Sains Natural: Journal of Biology and Chemistry Vol. 14 No. 2 (2024): Sains Natural
Publisher : Universitas Nusa Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31938/jsn.v14i2.703

Abstract

Lignocellulose comprises three biopolymers, cellulose, hemicellulose, and lignin that form a complex composite structure. Cellulose, as a biopolymer possesses notable properties including biocompatibility, biodegradability and economic viability. Gunung Kidul, one of the areas in Indonesia, precisely in Yogyakarta, where the population is known to live as cocoa farmers, so the potential for cocoa husks production is quite large. One way to obtain cellulose is by extracting the cacao husks from Gunung Kidul Cocoa Fermentation Center. Cellulose extraction were carried out through two main stages: alkaline delignification and bleaching. Based on the FTIR characterization results, the cocoa skins from Gunung Kidul Fermentation Center have the potential to separate cellulose from lignin and hemicellulose, which is shown in the presence of the function groups O-H, CH2, and C=O. So, the study aimed to get the optimum condition of the cellulose through several variations of the alkaline (NaOH and KOH), and the type of bleaching reagent (NaOCl and H2O2). The concentration of H2O2 (10%, 20%, 30% and 40%). The potential for cellulose can be developed and modified into nanocellulose in the future perspective.
Isotherm Adsorption of Ion Phosphate from Vinasse Waste Using Quaternary Ammonium Polymer as Adsorbent in Term Effect of Temperature Veranica; Rahayu, Aster; Maryudi; Dhias Cahya Hakika; Lee Wah Lim; Lia Anggresani
Sains Natural: Journal of Biology and Chemistry Vol. 14 No. 2 (2024): Sains Natural
Publisher : Universitas Nusa Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31938/jsn.v14i2.720

Abstract

Vinasse liquid waste is a waste product resulting from the ethanol distillation process. Phosphate in high concentrations can harm the environment, such as by polluting water sources and underground surfaces. In this research, adsorption of phosphate ions was carried out in vinasse waste to remove these pollutants using quaternary ammonium polymers. The study examined the effect of vinasse waste sample temperature on the adsorption of phosphate ions. The first step in this work was to create a quaternary ammonium polymer utilising a one-pot technique using 2-[methacryloyloxy)ethyl trimethylammonium chloride solution, also referred to as META. Subsequently, the adsorption process was performed using temperature variations of 25, 30, 40, 50, and 60 . Phosphate ion adsorbance was measured with UV-Vis spectrometers at a wavelength of 880 nm. The quaternary ammonium polymer succeeded in adsorbing the phosphate ion content of the vinasse waste at an optimal temperature of 40 , with an adsorption capacity of 3.78 mg/L and a removal efficiency of 75.70%.  The adsorption isotherm model for phosphate ions onto quaternary ammonium polymer was studied using the Freundlich and Langmuir equations. The obtained data indicated that the Langmuir isotherm model, with an value of 0.9921, is well-suited for describing the adsorption behaviour in this research.
Review: Analisis Potensi dan Tantangan Biomassa Sebagai Bahan Bakar pada PLTU dan PLTBm Febriani, Annisa Vada; Hanum, Farrah Fadhillah; Rahayu, Aster
Prosiding Semnastek PROSIDING SEMNASTEK 2024
Publisher : Universitas Muhammadiyah Jakarta

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Abstract

Berdasarkan Peraturan Presiden nomor 112 tahun 2022 tentang percepatan pengembangan energi baru terbarukan (EBT) untuk penyediaan tenaga Listrik, biomassa menjadi salah satu sumber EBT yang memiliki potensi yang besar untuk dimanfaatkan. Salah satunya yaitu sebagai bahan bakar Pembangkit Listrik Tenaga Biomassa (PLTBm) dan implementasi co-firring di PLTU. Hal ini selaras dengan komitmen Indonesia untuk mencapai 23 % EBT pada tahun 2025. Pada tahun 2023 penurunan emisi sebanyak 1,05 juta ton CO2 terjadi akibat implementasi co-firring di 43 PLTU dengan mengkonsumsi 1 jt ton/tahun biomassa. Sedangkan pembangunan PLTBm terus meningkat setiap tahunnya yang tersebar di bebagai daerah. Berdasakan data dari Dewan Energi Nasional Republik Indonesia Selama kurun waktu lima tahun (2018 – 2022), pembangunan PLTBm tumbuh rata-rata 14% per tahun. Namun masih banyak tantangan yang dihadapai dalam pemanfaatan biomassa sebagai EBT, baik dari aspek pendanaan, investasi, lingkungan maupun ketersediaan bahan baku.Kata kunci: Biomassa, PLTBm, co-firring, EBT
Potensi Teknologi Fitoremediasi Sebagai Polishing Treatment Palm Oil Mill Effluent : A Review Hakim, Lukman; Rahayu, Aster; Jamilatun, Siti
Prosiding Semnastek PROSIDING SEMNASTEK 2024
Publisher : Universitas Muhammadiyah Jakarta

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Abstract

Pesatnya ekspansi industri kelapa sawit menimbulkan potensi ancaman terhadap lingkungan. Industri ini menghasilkan limbah cair dalam jumlah besar yang dikenal sebagai palm oil milleffluent. Fitoremediasi merupakan salah satu teknologi alternatif yang dapat digunakan untuk polishing treatment palm oil mill effluent. Teknologi yang menggunakan tanaman ini dinilai lebih ramah lingkungan dan berbiaya rendah. Meskipun memiliki keuntungan, teknologi ini juga memiliki resiko seperti kontaminasi dari bagian tanaman yang dikonsumsi, dan juga efisiensi pengolahan yang rendah. Oleh karena itu, pemilihan tanaman yang tepat dan pemahaman mengenai mekanisme fitoremediasi adalah cara terbaik untuk dapat meningkatkan efisiensinya. Mekanisme seperti fitoekstraksi, fitostabilisasi, rhizofiltrasi, fitovolatilisasi, fitodegradasi dan fitodesalinasi adalah proses degradasi polutan. Proses ini dapat berlangsung baik dengan mempertimbangkan konsentrasi dan jenis kontaminan. Faktor-faktor seperti sifat tanaman, konsentrasi polutan, dan kondisi lingkungan mempengaruhi efektivitas fitoremediasi. Meskipun masih memiliki kekurangan, namun fitoremediasi merupakan pendekatan yang cukup menjanjikan untuk mengatasi permasalahan pencemaran yang disebabkann oleh industri minyak kelapa sawit dengan cara yang lebih ekonomis dan ramah lingkungan.Kata kunci: Fitoremediasi, Lingkungan, Polishing Treatment, POME
A Review : Optimalisasi Sisa Tanaman Hiperakumulator: Pemanfaatan dan Pengelolaan Biomassa Logam Berat Pasca-Fitoremediasi Jamilatun, Siti; Nurmustaqimah, Nurmustaqimah; Astuti, Erna; Rahayu, Aster
Prosiding Semnastek PROSIDING SEMNASTEK 2024
Publisher : Universitas Muhammadiyah Jakarta

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Abstract

Urbanisasi dan industrialisasi yang pesat meningkatkan risiko polusi logam berat, mengakibatkan dampak ekologis yang merugikan dan klasifikasi sebagai polutan utama. Logam berat seperti kadmium, kromium, merkuri, arsenik, timbal, dan seng tidak dapat terurai secara alami, menyebabkan tanah tidak cocok untuk pertanian. Fitoremediasi, dengan menggunakan tanaman hiperakumulator, muncul sebagai solusi untuk mengatasi kontaminasi logam berat, tetapi menghadapi tantangan polusi sekunder dari pelepasan ulang kontaminan oleh biomassa tanaman. Review ini mengevaluasi metode perlakuan pasca-fitoremediasi, termasuk perlakuan panas (insinerasi, pirolisis, dan gasifikasi), ekstraksi (dengan agen seperti amonium asetat dan amonium oksalat), pengomposan, dan pemadatan. Meskipun perlakuan panas efektif dalam menghilangkan logam berat, diperlukan penelitian lebih lanjut mengenai efisiensi dan pemulihan logam berat. Pengomposan, meskipun mengurangi volume biomassa, memiliki risiko remobilisasi logam berat. Pemadatan, sebagai alternatif, melibatkan tekanan untuk memadatkan biomassa tanaman. Pemilihan metode perlakuan harus mempertimbangkan efisiensi, biaya, dan dampak lingkungan. Kesadaran akan potensi polusi sekunder dan pengelolaan limbah hasil dari perlakuan sangat penting untuk keberlanjutan upaya remediasi logam berat. Diperlukan penelitian lanjutan dalam pengembangan teknologi pasca-fitoremediasi dan pemantauan lingkungan untuk mendukung keberlanjutan upaya remediasi logam berat.Kata kunci: Limbah, Biomassa, Logam berat, Lingkungan, Fitoremediasi
The Impact of Carbonization Temperature on The Quality of Empty Fruit Bunch Charcoal and Palm Kernel Charcoal for Co-Firing Application Febriani, Annisa Vada; Hanum, Farrah Fadhillah; Rahayu, Aster; Setya Wardhana, Budi; Firda Mahira Alfiata Chusna
Sains Natural: Journal of Biology and Chemistry Vol. 15 No. 1 (2025): Sains Natural
Publisher : Universitas Nusa Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31938/jsn.v15i1.766

Abstract

Biomass is a renewable energy source that can be processed into charcoal through a carbonisation process, which depends on temperature to improve the quality of the charcoal produced.  This research focuses on the utilisation of Oil Palm Fronds (OPF) and Palm Kernel Shells (PKS) as biomass feedstock in an effort to produce an alternative fuel that can be used in the co-firing process with Low Rank Coal (LRC). This study heats palm fronds and shells at 300°C to 600°C, then measures moisture content, ash content, calorific value, and sulfur content. Based on the results, a temperature of 600°C was identified as the optimal condition for the OPF and PKS drying process. At this temperature, a significant decrease in moisture content is directly proportional to the increase in ash content and calorific value, indicating an improvement in fuel quality. The highest calorific values achieved were 6095.35 kcal/kg for OPF and 7364.81 kcal/kg for PKS. In addition, the sulphur content of the charred biomass is much lower than that of coal, which provides an advantage in terms of cleaner emissions. In comparison with LRC, the charred biomass showed better quality in terms of calorific value and lower sulphur content, despite the higher ash content of the biomass. OPF and PKS that have undergone the charring process offer a more environmentally friendly fuel alternative and have the potential to replace LRC in combustion applications, resulting in lower emissions. This study thus reinforces the potential of oil palm biomass as a promising renewable energy source.
Effectiveness of Ammonium Polymer in Improving Floating Treatment Wetland to Reduce Cod From Palm Oil Mill Effluent Hakim, Lukman; Rahayu, Aster; Jamilatun, Siti
Sains Natural: Journal of Biology and Chemistry Vol. 15 No. 1 (2025): Sains Natural
Publisher : Universitas Nusa Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31938/jsn.v15i1.768

Abstract

Palm oil mill effluent (POME) is a liquid waste from the palm oil industry. This waste contains high levels of organic pollutants and can contribute to environmental pollution. Current technologies effectively degrade these pollutants but are often not environmentally friendly and expensive. Phytoremediation combined with an adsorption system using ammonium polymers is expected to address these challenges. Vetiver grass (Chrysopogon zizanioides) and ammonium polymers have been separately tested and proven capable of degrading pollutants in wastewater. The study began by modifying the planting medium for vetiver grass with gravel:polymer:soil ratio of 3:5:2. The modified net pot was then placed in a floating treatment wetland reactor for POME treatment over a remediation period of 7 days. For comparison, a control experiment was conducted using plants without polymers in the planting medium. The results showed a COD degradation of approximately 75% in POME after treatment. The reduction in COD continued to improve with increasing remediation time, reaching its peak on the seventh day. The modified planting medium also influenced plant growth, as the polymer adsorbed some phosphate and nitrate.
Isothermic Adsorption Study of Nitrate Ion Adsorption in Bioethanol Waste Using Quaternary Ammonium Polymer Amrillah, Nafira Alfi Zaini; Rahayu, Aster; Dhias Cahya Hakika; Vivi Sisca; Veranica; Firda Mahira Alfiata Chusna; Lia Anggresani; Lee Wah Lim
Sains Natural: Journal of Biology and Chemistry Vol. 15 No. 1 (2025): Sains Natural
Publisher : Universitas Nusa Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31938/jsn.v15i1.770

Abstract

The global shift towards renewable energy sources has led to a significant increase in bioethanol production, particularly from sugar mills. Despite being an environmentally friendly alternative to fossil fuels, bioethanol production produces large amounts of waste containing dangerous contaminants such as nitrate ions (NO₃⁻). These contaminants pose severe environmental and health risks, including water pollution and eutrophication. This study explores the use of ammonium polymer as an adsorbent and the influence of pH in the adsorption process as a promising technique for removing nitrate ions from bioethanol waste. Based on the analysis that has been carried out, the optimal pH for adsorption of nitrate ions is around 9, where the removal efficiency (%RE) reaches 98.43% and the adsorption capacity (Qe) is 24.86 mg/g. These experiments show that the Freundlich model, with a heterogeneity factor (n) of 1.0947 and a Freundlich constant (KF) of 1.92 x 10³ units, provides the best fit to the adsorption data, indicating a heterogeneous adsorption process with a strong affinity for nitrate ions.
Treatment of Textile Industrial Wastewater using Membrane Technology: A Review Amillia, Amillia; Maryudi, Maryudi; Chusna, Firda Mahira Alfiata; Hakika, Dhias Cahya; Rahayu, Aster; Santosa, Imam; Mohammed, Hamad Khudhair
CHEESA: Chemical Engineering Research Articles Vol. 7 No. 2 (2024)
Publisher : Universitas PGRI Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/cheesa.v7i2.19132.90-102

Abstract

Textile industry wastewater is a very complex pollutant-containing waste with high dye intensity, requiring proper and appropriate treatment. Membrane technology is one of the appropriate methods for treating textile wastewater due to several advantages such as environmentally friendly and biopolymer-based processing. Therefore, this review aimed to determine the effectiveness of membrane technology and provide information regarding the appropriate treatment of textile wastewater. The articles subjected to review were obtained from several journal sources such as ScienceDirect, Elsevier, Springer, Google Scholar, and national journals. The results showed that several membranes had been used in textile wastewater treatment, such as PTFE (Polytetrafluoroethylene), PES (Polyethersulfone), Polysulfone-Polyvinyl Pyrrolidone Blend Polymer Composite Membrane, CA (Cellulose Acetate), Cellulose Membrane of Sargassum Sp., polysulfone (PSF), Bacterial Cellulose Membrane, and cellulose acetate propionate (CAP). Furthermore, membrane technology was found to reduce dye pollutants in textile wastewater with the highest coefficient value of approximately 97%.
Educational and Outreach Initiatives to Support Community-Based Waste Management for a Sustainable Environment in Dech Charoen Village, Thailand Aktawan, Agus; Rahayu, Aster; Biddinika, Muhammad Kunta; Hakika, Dhias Cahya; Areeprasert, Chinnathan
Indonesia Berdaya Vol 6, No 3 (2025)
Publisher : UKInstitute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47679/ib.20251194

Abstract

The rapid rise in urbanization and waste production has significantly impacted the environment. Therefore, community-based waste management is a crucial approach for reducing the environmental impact of domestic and household waste. This community service project aims to promote environmental sustainability through community-based education on waste management. This initiative was carried out in Dech Charoen Village, Thailand, aiming to increase community awareness about the importance of sustainable waste management practices. This paper discusses the community service activities conducted in Dech Charoen Village and their impact on community empowerment and environmental sustainability. The activities included a sharing session on community-based waste management, outreach on the reduce, reuse, and recycle (3R) principle for inorganic waste, and practical outreach on processing organic waste using a composting machine. Results showed a considerable rise in awareness of waste management methods, with more than 90% of participants achieving a better understanding of waste segregation, recycling, composting practices, and the importance of community involvement.
Co-Authors Agus Aktawan, Agus Alfi Zaini Amrillah, Nafira Alliya BalqisViratu Hapsari Althaf Irfan Fachrezy Amelia, Shinta Amilia Amilia, Amilia Amillia, Amillia Amrillah, Nafira Alfi Zaini Areeprasert, Chinnathan Awaluddin Nurmiyanto, Awaluddin BalqisViratu Hapsari, Alliya Cahya Hakika, Dhias Chusna, Firda Mahira Alfiata Dewi Wulandari, S.Hut., M.Agr., Ph.D Dhias Cahya Hakika Dhias Cahya Hakika Dhias Cahya Hakika Dita Permata Putri Endah Sulistiawati Erna Astuti Fajri, Joni Aldilla Farah Fadillah Hanum Farrah Fadhillah Hanum Farrah Fadhillah Hanum Febriani, Annisa Vada Firda Mahira Alfiata Chusna Hanum, Farrah Fadhillah Hapsauqi, Iqbal Helmi Mustafa, Yoga Nawaki Ikko Nirwana Luthfiani Imam Santosa Indah Budiarti, Gita Irwan Mulyadi Jamilatun, Siti Jamilatun Joko Pitoyo Joni Aldilla Fajri Lee Wah Lim Lee Wah Lim Lee Wah Lim Lia Anggresani Lim , Lee Wah Lindi Juliantri Lukman Hakim Marlena, Yuni Maryudi Maryudi Maryudi Maryudi - Maryudi Maryudi Maryudi Maryudi Maryudi Mohammed, Hamad Khudhair Muhammad Kresna Islami Muhammad Kresna Islami Muhammad Kunta Biddinika Mulyadi, Irwan Muthadin , Akhmad Sabilal Nafira Alfi Zaini Amrillah Nafira Alfi Zaini Amrillah Ningsih, Devi Yogi Noviana Nuraini Nuraini Nuraini Nuraini Nuraini Nuraini Nuraini Nurmustaqimah Nurmustaqimah, Nurmustaqimah NURUL WULANDARI Pramia Lestari, Syahrani Puspita Sari, Hutri Rahma Yunita Amalia Refah Syauqi Refah Syauqi Remmo Sri Ardiansyah Riska Setyarini Ryan Sutedja S. Salamah Sari, Hutri Puspita Sartika Selang Setya Wardhana, Budi Setyarini , Riska Shafa Zahira Shinta Amelia Siti Jamilatun Siti Salamah Siti Salamah Soedjatmiko Sri Ardiansyah, Remmo Suradi, Siti Samahani Taufiqurahman , Muhamad Akmal Toyohide Takeuchi Ulung Muhammad Sutopo Ummi Khasanah Veranica Veranica Veranica Veranica Veranica, Veranica Vivi Sisca Winda Dwi Anggraini Yoga Nawaki Helmi Mustafa Zahira, Shafa Zahrul Mufrodi, Zahrul