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Evaluating the impacts of environmental and human health of the critical minerals mining and processing industries in Indonesia using life cycle assessment

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Case Studies in chemical and Environmental engineering 2024年 10卷

作者： Wahyono, Yoyon Sasongko, Nugroho Adi Trench, Allan Anda, Martin Hadiyanto, Hadiyanto Aisyah, Nyayu Anisah, Anisah Ariyanto, Novy Kumalasari, Isnaeni Putri, Virny Zasyana Eka Lestari, Mutia Citrawati Panggabean, Lambas Parlaungan Ridlo, Rohmadi Sundari, Sundari Suryaningtyas, Anissa Dewi Novianti, Endah Dwi Hakim, Muhammad Raihan Farras Prihatin, Anggara Lomak Matin, Hashfi Hawali Abdul Research Center for Sustainable Production System and Life Cycle Assessment National Research and Innovation Agency - BRIN Prof. BJ. Habibie Complex Area Banten Tangerang Selatan 15314 Indonesia Energy Security Graduate Program Republic of Indonesia Defense University IPSC Sentul Area West Java 16810 Indonesia Centre for Exploration Targeting School of Earth Sciences The University of Western Australia 35 Stirling Highway Crawley 6009 WA Australia UWA Business School 35 Stirling Highway Crawley 6009 WA Australia Environmental Engineering Murdoch University Murdoch 6150 WA Australia Doctoral Program of Environmental Science School of Postgraduate Studies Diponegoro University Central Java Semarang 50241 Indonesia Department of Chemical Engineering Faculty of Engineering Diponegoro University Central Java Semarang 50275 Indonesia Department of Mechanical Engineering Vocational School Gadjah Mada University Sleman Yogyakarya 55281 Indonesia Study Program of Environmental Science Faculty of Mathematics and Natural Science Universitas Sebelas Maret Central Java Surakarta 57126 Indonesia

The critical minerals industries in Indonesia may pose possible environmental and human health risks due to the release of pollutants into soil, water, and air, as well as the use of materials and energy. This study investigates the possible environmental and human health impacts of Indonesia's nickel, gold, copper, tin, and bauxite mining and processing industries. This study utilizes the latest version of the OpenLCA software, version 2.0, in combination with the Ecoinvent 3.8 database. To evaluate potential environmental consequences and health effects on humans, CML-IA Baseline and Environmental Priority Strategies (EPS) are employed in product development. The EPS system was developed utilizing a hierarchical methodology with the objective of furnishing the product developer with data regarding the financial impact of human health impairment resulting from a particular product development. The production of one tonne of gold, nickel, bauxite, tin, and copper results in the emission of 7.34.E+07, 4.61.E+04, 3.10.E+04, 1.02.E+04, 8.01.E+03 kg CO₂ eq/t, respectively, contributing to global warming. This production is associated with asthma cases of 7.79.E+01 (gold industry), 2.21.E−03 (copper industry), 1.81.E−03 (tin industry), 9.21.E−04 (nickel industry), and 4.71.E−06 (bauxite industry) Personyears/t. Electricity consumption and the release of carbon dioxide are the main factors contributing to global warming. The primary cause of asthma cases is the utilization of fuel oil and electricity. Power plant chimneys can employ various technologies, such as cyclones, bag filters, and scrubbers, to mitigate the release of polluting gas emissions. The critical mineral industry must prioritize handling and governing of steam power facilities to minimize their negative effects on the environment and human health. © 2024 The Authors

关键词： Critical minerals industries Environmental impacts Human health impacts Life cycle assessment

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Tailoring acid-base properties on metal-free zeolite from Indonesia kaolin to enhance the CO₂ hydrogenation to CH₄

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Case Studies in chemical and Environmental engineering 2024年 10卷

作者： Sholeha, Novia Amalia Dewanto, Bintang Jovita, Stella Nugraha, Reva Edra Taufiq-Yap, Yun Hin Ulfa, Maria Fauzi, Anees Ameera Jalil, Aishah Abdul Bahruji, Hasliza Prasetyoko, Didik College of Vocational Studies Bogor Agricultural University (IPB University) Jalan Kumbang No. 14 Bogor 16151 Indonesia Department of Chemistry Faculty of Science Institut Teknologi Sepuluh Nopember Keputih Sukolilo Surabaya 60111 Indonesia Department of Chemical Engineering Faculty of Engineering Universitas Pembangunan Nasional “Veteran” Jawa Timur Surabaya 60294 Indonesia Department of Chemistry Faculty of Science Universiti Putra Malaysia Serdang Selangor Malaysia Chemistry Education Study Program Faculty of Teacher Training and Education Sebelas Maret University Jl. Ir. Sutami 36A Surakarta 57126 Indonesia Research Center for Biomass and Bioproduct National Research and Innovation Agency (BRIN) Indonesia Department of Chemical Engineering Faculty of Chemical and Energy Engineering Universiti Teknologi Malaysia UTM Skudai Johor Johor Bahru 81310 Malaysia Centre of Hydrogen Energy Institute of Future Energy Universiti Teknologi Malaysia UTM Skudai Johor Johor Bahru 81310 Malaysia Centre of Advanced Material and Energy Science Universiti Brunei Darussalam Jalan Tungku Link BE 1410 Brunei Darussalam

The catalytic thermal conversion of carbon dioxide is essential for carbon capture, storage, and utilization, helping to reduce CO2 emissions and potentially stimulating future economic activities. Zeolite Y, ZSM-5, B... 详细信息

The catalytic thermal conversion of carbon dioxide is essential for carbon capture, storage, and utilization, helping to reduce CO₂ emissions and potentially stimulating future economic activities. Zeolite Y, ZSM-5, BEA, and A were synthesized using the hydrothermal technique from Indonesian kaolin to examine the potential use of zeolite as a catalyst without metal nanoparticles. In the absence of metal, catalytic activity for CO₂ methanation relies solely on textural properties and basicity-acidity. Zeolite Y exhibits the highest CO₂ conversion at 36.64 % and attained 100 % of CH₄ selectivity at 400 °C. The exceptional CO₂ conversion of zeolite Y relies on a high basicity level of 1.02 mmol/g, as shown by CO₂-TPD analysis, and a relatively low acid site concentration of 1.48 mmol/g, as determined by NH₃-TPD analysis. ZSM-5, BEA, and zeolite A, demonstrated CO₂ conversion of 29.85 %, 23.86 %, and 12.15 %, respectively. Stability studies revealed ZSM-5 maintains methane (CH₄) selectivity of 94 %, which is only slightly lowered by 6 % for 30 hours, while zeolite Y achieved 90 % selectivity for 26 hours. The presence of mesopores in zeolite ZSM-5 reduced coke or carbon production, maintaining crystalline framework. © 2024 The Authors

关键词： Basicity Greenhouse carbon dioxide Metal free catalyst Methane Zeolite

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The optimization of ultrasonic-assisted extraction of antioxidant compounds from butterfly pea flower (Clitoria ternatea L.) by using response surface methodology

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IOP Conference Series: Earth and Environmental Science 2021年第1期743卷

作者： N Izza D Tristantini Bioprocess Engineering Study Program Faculty of Agricultural Technology Universitas Brawijaya Department of Chemical Engineering Faculty of Engineering Universitas Indonesia

Butterfly pea flower (Clitoria ternatea L) contains many phytochemical compounds that are beneficial to human health, one of which is incorporated in the group of phenolic compounds. Generally, the extraction process of an organic compound requires heat and takes a relatively long time. Therefore, the application of the ultrasonic method for the extraction of butterfly pea flower is studied. This study aims to obtain the best-operating conditions in the ultrasonic-assisted extraction of the phenolic compound of the butterfly pea flower. The optimization of operating conditions during the extraction process was performed by using Response Surface Methodology (RSM) with the application of Design Expert 10 software. The results of the optimum operating conditions are 62,063 ml/g of solvent and flower ratio, 60% ultrasonic power output, and 15 minutes of extraction time. These operating conditions result in 55.834 ml of extract, 0.874 mg/ml of total phenolic content (TPC), and 10.42 mg/l of total anthocyanins (TA).

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Making transparent soap based on virgin coconut oil with the addition of citronella oil additives

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AIP Conference Proceedings 2023年第1期2626卷

作者： Sri Handayani Rizka Nur Kholifah Kiki Putri Agung Joelianingsih Ismojo Department of Chemical Engineering Institut Teknologi Indonesia Jl. Raya Puspiptek Tangerang Selatan 15314 Banten Indonesia Diploma III Automotif Machine Study Program Institut Teknologi Indonesia Jl. Raya Puspiptek Serpong 15314 Indonesia

Since the onset of the COVID-19 pandemic, soap has become an important ingredient because it can cleanse the body of bacteria or viruses. Therefore, the purpose of this study was to see how the addition of citronella oil affects the final product of trasparent soap. VCO, sodium hydroxide, stearate, glycerin, ethanol, sugar, cocoamide DEA, citric acid, and varying quantities of citronella oil, 0, 1 and 2 percent, are among the materials used to manufacture transparent soap. Citronella oil was obtained by extracting 125 g of lemongrass in 250 ml of ethanol under reflux for 3 hours and evaporating to separate the solvent from the citronella oil. The parameters of transparent soap measured were water content, free alkali, and pH. As a result, the optimum amount of citronella oil additive was 1%, the water content was 11, 0.04% free alkali, and the pH was 10.5. In addition, the quality of the resulting transparent soap meets the SNI standard for solid soap no. 3532-2016. The addition of citronella oil produces transparent soap, which has better anti-bacterial and fungal properties and a more fragrant smell when compared to transparent soap without citronella oil.

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The synthesis of paper soap: Effect of polyvinyl alcohol consentration

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AIP Conference Proceedings 2023年第1期2626卷

作者： Sri Handayani Damasus Radityo Atmojo Sidik Marsudi Ismojo Department of Chemical Engineering Institut Teknologi Indonesia Jl. Raya Puspiptek Tangerang Selatan 15314 Banten Indonesia Diploma III Automotif Machine Study Program Institut Teknologi Indonesia Jl. Raya Puspiptek Serpong 15314 Indonesia

Paper soap is currently in great demand by the public because it is easy to carry everywhere. In the process, solid soap is printed as thin as paper. This paper soap will dissolve and produce foam when exposed to water. This study aims to synthesize the paper soap product against the effect of variations in the concentration of polyvinyl alcohol (PVA). PVA serves as an adhesive and forms a thin layer (film). The raw material for making soap is virgin coconut oil and NaOH as a basic soap. Basic soap is mixed with glycerin, ethylene glycol, silicone oil, olive oil, aloe vera, and perfume. After that, the mixture was added with polyvinyl alcohol with various concentrations of 5, 10, 15, and 20 percent solution. The processed soap material is then poured into a flat mold with a thickness of 0.5 mm and 1 mm. The paper soap produced was tested for water content, free fatty acids, pH and antibacterial activity test. The test results showed that the best paper soap was obtained when using a 5 percent PVA solution. The results are in accordance with the requirements of SNI 3532:2016 solid soap with a moisture content of 12%, free fatty acids 1.5%, pH 9.6 and the value of inhibition diameter on the antibacterial activity test 18.7 mm, the value stability of foam of 94% with a thickness of 0.5 mm soap.

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Reshaped Weyl fermionic dispersions driven by Coulomb interactions in MoTe2

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Physical Review B 2022年第4期105卷 045143-045143页

作者： Seoung-Hun Kang Sangjun Jeon Hyun-Jung Kim Wonhee Ko Suyeon Cho Se Hwang Kang Sung Wng Kim Heejun Yang Hyo Won Kim Young-Woo Son Korea Institute for Advanced Study Seoul 02455 Korea Department of Physics Chung-Ang University Seoul 06974 Korea Peter Grünberg Institut and Institute for Advanced Simulation Forschungszentrum Jülich and JARA D-52425 Jülich Germany Samsung Advanced Institute of Technology Suwon 16678 Korea Center for Nanophase Materials Sciences Oak Ridge National Laboratory Oak Ridge Tennessee 37831 USA Department of Chemical Engineering and Materials Science Graduate Program in System Health Science and Engineering Ewha Womans University Seoul 03760 Korea Department of Energy Science Sungkyunkwan University Suwon 16419 Korea Department of Physics Korea Advanced Institute of Science and Technology Daejeon 34141 Korea

We report the direct evidence of impacts of the Coulomb interaction in a prototypical Weyl semimetal, MoTe2, that alter its bare bands in a wide range of energy and momentum. Our quasiparticle interference patterns measured using scanning tunneling microscopy are shown to match the joint density of states of quasiparticle energy bands including momentum-dependent self-energy corrections, while electronic energy bands based on the other simpler local approximations of the Coulomb interaction fail to explain neither the correct number of quasiparticle pockets nor the shape of their dispersions observed in our spectrum. With this, we predict a transition between type-I and type-II Weyl fermions with doping and resolve its disparate quantum oscillation experiments, thus highlighting the critical roles of Coulomb interactions in layered Weyl semimetals.

关键词： Electronic structure First-principles calculations Quasiparticles & collective excitations Topological materials Weyl fermions Scanning electron microscopy Scanning tunneling spectroscopy

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Isolation and optimization of polyhydroxybutyrate from Chlorella vulgaris using NaClO and ultrasonication aided chemical pretreatment methods

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AIP Conference Proceedings 2021年第1期2344卷

作者： Ajeng Inas Setyorini Dianursanti Bioprocess Engineering Study Program Department of Chemical Engineering Faculty of Engineering Universitas Indonesia Kampus UI Depok West Java 16424 Indonesia

The increasing use of food packaging makes plastic waste the biggest environmental issue. Since the use of conventional plastic comes from fossil polymers, so it is difficult to be decomposed by bacteria. The right solution is to replace it with bioplastics. This study uses Chlorella vulgaris as a producer of Poly-β-hydroxybutyrate (PHB). PHB has characteristics such as biodegradability, thermoplasticity, hydrophobicity, biocompatibility with cells and tissues, and physical properties similar to polypropylene, which can potentially apply in food, pharmaceutical, and medical packaging. PHB is obtained by isolating biomass from Chlorella vulgaris. This research studied PHB isolation using chemical and mechanical cell disruption methods, namely NaClO and sonication, with variations in solvent concentration. The simplest and most economical method of isolation of C. vulgaris is the general stages of cell disruption, PHB precipitation, and PHB purification. The quantifying PHB method is by calculating the yield of PHB, then identifying PHB by FTIR, and testing the quality of the best PHB compounds by GCMS. The parameters used in this study are yield, PHB physical results, and PHB test results. In the condition of 0.6% w/v sample concentration and 1.37% w/v solvent concentration using ultrasonication, the best PHB isolation yield was 37.2%. GCMS sample results showed the presence of n-hexadecanoic acid (palmitic acid), 9-Octadecanoic acid (oleic acid), 2-Palmitoylglycerol, and Octadecanoic acid (stearic acid) as the main compounds that could potentially be bioplastic materials.

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Enhanced Persulfate Activation by Sulfur-Modified Fe3o4 Composites for Atrazine Degradation: Performance and Mechanism

SSRN

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SSRN 2022年

作者： Zheng, Han Du, Jiangkun Zhong, Hua Yuan, Qian Zhang, Jiaquan Kang, Wei Sun, Qingbin Tao, Min Xiao, Wensheng Dionysiou, Dionysios D. Huang, Ying Hubei Key Laboratory of Mine Environmental Pollution Control and Remediation Hubei Polytechnic University Huangshi435003 China School of Environment Hangzhou Institute for Advanced Study University of Chinese Academy of Sciences Hangzhou310024 China School of Environmental Studies China University of Geosciences Wuhan430074 China State Key Laboratory of Water Resources and Hydropower Engineering Science Wuhan University Wuhan430072 China School of Earth and Space Exploration Arizona State University TempeAZ United States School of Environmental Science and Engineering Hubei Polytechnic University Huangshi435003 China Environmental Engineering and Science Program Department of Chemical and Environmental Engineering 705 Engineering Research Center University of Cincinnati CincinnatiOH45221-0012 United States

A novel sulfur-modified Fe3O4 composite (SF10) with excellent magnetic properties and core-shell structure was prepared via a solvothermal method. Compared with unmodified Fe3O4, SF10 exhibited excellent performance on the activation of peroxydisulfate (PDS) for atrazine degradation and maintained good reusability. According to the quenching experiments and electron paramagnetic resonance (EPR) test, hydroxyl radical (•OH) and sulfate radical (SO4•−) were the main active species. Characterizations revealed that sulfur modification introduced pyrite and pyrrhotite phases into Fe3O4 to improve the catalytic activity and electrical conductivity. Density functional theory calculations showed that sulfur modification enhanced the electron transfer from Fe3O4 to PDS and the adsorption of PDS on the catalyst surface, favoring the PDS activation. Moreover, the surface reducing sulfur species (≡S2− and ≡S22−) acted as the electron donor for Fe(II) regeneration, driving a faster Fe(II)/Fe(III) redox cycle of SF10 for the activation of PDS. This study provides insights of the synergism between sulfur and iron, and broadens the application of Fe3O4 in PDS-based advanced oxidation processes for wastewater treatment. © 2022, The Authors. All rights reserved.

关键词： Magnetite

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3D imaging lipidometry in single cell by in-flow holographic tomography

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Opto-Electronic Advances 2023年第1期6卷 10-25页

作者： Daniele Pirone Daniele Sirico Lisa Miccio Vittorio Bianco Martina Mugnano Danila del Giudice Gianandrea Pasquinelli Sabrina Valente Silvia Lemma Luisa Iommarini Ivana Kurelac Pasquale Memmolo Pietro Ferraro CNR-ISASI Institute of Applied Sciences and Intelligent Systems“E.Caianiello”Via Campi Flegrei 34PozzuoliNapoli 80078Italy Department of Electrical Engineering and Information Technologies University of Naples“FedericoⅡ”via Claudio 21Napoli 80125Italy Department of Chemical Materials and Production Engineering of the University of Naples FedericoⅡPiazzale Tecchio 80Napoli 80125Italy Department of Mathematics and Physics University of Campania“Luigi Vanvitelli”Caserta 81100Italy Biotechnology and Methods in Laboratory Medicine Department of ExperimentalDiagnostic and Specialty Medicine(DIMES)University of BolognaBologna 40126Italy Subcellular Nephro-Vascular Diagnostic Program Pathology Unit S.Orsola IRCCSUniversity of BolognaBologna 40126Italy Unit of Medical Genetics Department of Medical and Surgical Sciences(DIMEC)University of BolognaVia Massarenti 9Bologna 40138Italy Study and Research Center on Gynecological Neoplasias Department of Medical and Surgical Sciences(DIMEC)University of BolognaVia Massarenti 9Bologna 40138Italy Center for Applied Biomedical Research(CRBA) University of BolognaBologna 40138Italy Department of Pharmacy and Biotechnology(FABIT) University of BolognaBologna 40126Italy

The most recent discoveries in the biochemical field are highlighting the increasingly important role of lipid droplets(LDs)in several regulatory mechanisms in living *** are dynamic organelles and therefore their complete characterization in terms of number,size,spatial positioning and relative distribution in the cell volume can shed light on the roles played by *** now,fluorescence microscopy and transmission electron microscopy are assessed as the gold standard methods for identifying LDs due to their high sensitivity and ***,such methods generally only provide 2D assays and partial ***,both can be destructive and with low productivity,thus limiting analysis of large cell numbers in a *** we demonstrate for the first time the capability of 3D visualization and the full LD characterization in high-throughput with a tomographic phase-contrast flow-cytometer,by using ovarian cancer cells and monocyte cell lines as models.A strategy for retrieving significant parameters on spatial correlations and LD 3D positioning inside each cell volume is *** information gathered by this new method could allow more in depth understanding and lead to new discoveries on how LDs are correlated to cellular functions.

关键词： lipid droplets label-free phase-contrast imaging in-flow tomography 3D imaging

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The enhancement of phycocyanin yield and purity from Spirulina platensis using freeze-thawing method on various solvents

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AIP Conference Proceedings 2021年第1期2344卷

作者： Dianursanti Maulina Aini Hafidzah Bioprocess Engineering Study Program Department of Chemical Engineering Faculty of Engineering Universitas Indonesia. Kampus UI Depok West Java 16424 Indonesia

Phycocyanin is a pigment compound that can be found from Spirulina platensis microalgae. It has been used for food colorant, cosmetic dye and fluorescence reagent for clinical diagnosis. Phycocyanin can be extracted using various procedure that was affected by many factors, one of them is the type of solvent that was used in the extraction process. This research will study the usage of different solvents, using sodium phosphate buffer and calcium chloride. The extraction method used in this research is freeze-thawing. The parameters of this extraction are phycocyanin yield and purity. The obtained result shows a higher yield of phycocyanin from extraction using phosphate buffer, with the value of 35.31 mg/g, and a higher phycocyanin purity from extraction using CaCl2 with the ratio of 2.6.

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