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Aster Rahayu
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ijce@che.uad.ac.id
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Campus IV, Jl. Ringroad Selatan, Kragilan, Tamanan, Kec. Banguntapan, Bantul, Daerah Istimewa Yogyakarta 55191.
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INDONESIA
Indonesian Journal of Chemical Engineering
Published by Universitas Ahmad Dahlan
ISSN : -     EISSN : 30256674     DOI : https://doi.org/10.26555/ijce
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Chemistry Engineering Materials Science & Nanotechnology
Indonesian Journal of Chemical Engineering aims to provide an international platform for scientists, researchers, and academicians to promote, share and discuss new findings, current issues, and developments in the different areas of Chemical Engineering. This journal encourages a forum for publishing research related to the Sciences, Energy, Environmental and Food Pharmaceutical fields. This journal encompasses Original Research Articles, Review Articles, and Short Communications, including Fundamental and applied chemical reaction engineering, Materials engineering, Catalyst, Environmental chemical engineering, Sustainable science and engineering, Food, Drugs and Cosmetics, Renewable energy (Biomass and Hydropower) and Non-Renewable energy (petroleum, natural gas and coal).
Arjuna Subject : Teknik Kimia (semua kategori) - Teknik Kimia (Lain-Lain)
Articles 5 Documents
 1 
Search results for , issue "Vol. 1 No. 2 (2023)" : 5 Documents clear
Review: Biomass-Based Hydrogen Production Technology Jamilatun, Siti; Muhtadin, Akhmad Sabilal; Nurmustaqimaha, Nurmustaqimaha
Indonesian Journal of Chemical Engineering Vol. 1 No. 2 (2023)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26555/ijce.v1i2.601

Abstract

One of the most efficient fuels for renewable energy is hydrogen. Currently, fossil fuels and their by-products produce most of the hydrogen with technologies that harm the environment, and fossil sources are rapidly decreasing in quantity. Environmentally friendly and pollution-free alternatives to fossil fuels are interesting to pursue. This paper explores advances in bio-hydrogen technology as an environmentally friendly and sustainable future technology development. Derivatives of crucial products from biomass, such as alcohol and glycerol, and methane-based reforming to produce hydrogen. Biological techniques to produce bio-hydrogen are exciting by fermentative, enzymatic, and biocatalytic methods. Also discussed are genetic engineering components, reactor configuration, and pretreatment. Low hydrogen yield and high cost are the two main problems in bio-hydrogen production. Also discussed are the costs, advantages, and disadvantages of various hydrogen generation methods. This article also discusses the promise of biohydrogen as a clean energy alternative and areas that require further research
Spirulina Platensis Residue (SPR) Pyrolysis: Temperature's Effect on Yield and Biochar Characteristics Jamilatun, Siti; Pitoyo, Joko; Arifah, Zulia
Indonesian Journal of Chemical Engineering Vol. 1 No. 2 (2023)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26555/ijce.v1i2.614

Abstract

Biochar has potential as alternative solution to overcoming the problem of renewable energy needs, improving land structure for agriculture, and supplying industrial needs as absorbent material with high absorption. Biochar has a high carbon content that it obtains from the biomass pyrolysis process. In this experiment, the main material was biomass obtained from the Spirulina platensis residual (SPR). The temperature effect on the yield and characteristic of biochar from SPR were studied. The research was conducted in the fixed-bed reactor with 40 mm of inside diameter, 44 mm of outside diameter, and 600 mm of height. The reactor was supported with an electrical heater from a nickelin coiled along the outside surface of reactor. The experiments were carried out with temperatures ranging from 300 to 700ºC. Biochar analysis was performed by the Brunauer-Emmett-Teller (BET) method. Results indicated that the yield of biochar decreased with increasing temperature. Conversely, the surface area, the total volume of pore, and the radius of pore increase with an increase in temperature. The best temperature conditions to produce the biochar are 600ºC, with the product yield of 27.9 wt.%, surface area of ​​13.5 m2/gr, total pore volume of 0.041 cc/gr, and diameter of 2,688 nm.
Extraction Of Iron (Fe) as A Valuable Metal Content of Nickel Slag Waste Maryudi, Maryudi; Candra, Syahrul Dwi Adi; Azhar , Muh.; Yahya, Asdarina
Indonesian Journal of Chemical Engineering Vol. 1 No. 2 (2023)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26555/ijce.v1i2.658

Abstract

Nickel slag is a product that is formed at high temperatures to form metal alloys that are stable enough. It becomes a challenge for researchers to find methods for extracting valuable metal content.  Leaching is one of the solid-liquid extraction methods that can be applied to separate important elements from a solid material.  By using strong acid solvents. Leaching of ferrous metal (Fe) as the main metal in nickel slags was carried out with a 98% 2M sulfuric acid extracting solution.  Destruction of the leachate of nickel slag was then conducted to simplify the complex elements in the samples so that they could be easily analyzed. Destruction of nickel slag leachate samples was carried out using a destructive solution in the form of nitric acid. The maximum yield of iron content was obtained at a size of 140 mesh and 60 minutes with an iron content of 19,141 ppm. The minimum yield of iron content was obtained at 80 mesh-30 minutes of leaching with an iron content of 18,433 ppm. The maximum recovery results were obtained at 140 mesh-60 minutes of leaching. Factors that can influence include solid sample size, extracting solution, mineral form in solids, complexity, pH, operating temperature, and leaching time.
Utilizing Anadara granosa Shells and PVA for Porous Hydroxyapatite Synthesis Anggresani, Lia; Nurmelinda, Nurmelinda; Yulianis, Yulianis; Lee Wah Lim
Indonesian Journal of Chemical Engineering Vol. 1 No. 2 (2023)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26555/ijce.v1i2.663

Abstract

The majority of the inorganic material that makes up teeth and bones is called hydroxyapatite (Ca10(PO4)6(OH)2), and it is produced by isolating calcium oxide (CaO) from the high calcium carbonate content of anadara granosa shells, which is over 98%. The porous HAp is the type of hydroxyapatite that can be used for bone repair. The aim of this work is to use the polymer polyvinyl alcohol to synthesis porous hydroxyapatite from anadara granosa shell. The anadara granosa powder (AGP) was furnaced for 3 hour at 800oC. CaO powder was produced. Then, the CaO powder was treated with (NH4)2HPO4 at a mol Ca/P 1.67 to obtained the HAp. Then, HAp is combined with a PVA polymer at a 10:1 ratio. Compressive strength tests, FTIR, SEM, and XRD are carried out. The compressive strength resulted for HAp and porous HAp were14.58 and 50.43 Mpa., respectively. The results indicated that PVA achieved a good compressive strength with Hydroxyapatite – Anadara granosa shell.
Shampoo With Basic Ingredients Chamomile Flower Extract (Matricaria Chamomilla): Formulation and Evaluation of Preparations Permadi, Adi; Maulida Firdaus , Stradivary; Aziz , Abdul; Fatwa Zufar, Ahmad
Indonesian Journal of Chemical Engineering Vol. 1 No. 2 (2023)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26555/ijce.v1i2.676

Abstract

Proper hair maintenance is a crucial component of one's daily beauty regimen. Shampoo, a commonly utilized hair care solution, has a chemical blend that effectively eliminates filth while also offering moisturization and safeguarding. The objective of this study is to create shampoo formulations and preparations with chamomile extract. The chamomile flower extract contains active chemicals, specifically 1,3,4-trihydroxyflavones called apigenin and apigenin 7-o-glucoside. These compounds have several beneficial effects such as enhancing hair brightness and shine, as well as possessing antibacterial, antifungal, hypoglycemic, and antioxidant qualities. Shampoo's chemical composition is determined by analyzing factors such as pH, foamability, homogeneity, total plate count, yeast mold count, and other similar parameters. Upon examination of these criteria, it is evident that the formulation and shampoo formulations successfully complied with the test requirements outlined in SNI 06-2692-1992.

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