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All Journal Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia
Wahyu Diah Proborini
Program Studi Teknik Kimia Fakultas Teknik Universitas Tribhuwana Tunggadewi Malang
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Industrial & Manufacturing Engineering

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OPTIMASI PROSES DESTILASI UAP ESSENTIAL OIL Zuhdi Ma'sum; Wahyu Diah Proborini
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 1, No 2 (2016)
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v1i2.654

Abstract

Most of essential oils are produced using simple method steam destillation. The tool used in this reseach were made by a small workshop. This equipment can be used for distillation and condensation. But the best process that can be applied to this equipment is still unknow. The purpose of this study is to obtain the shortest processing time and optimization of production processes. This condition is achieved by decrease the rate of increasing temperature of cooling water. With the achievement of this conditions, the optimization of the essential oil distillation process in oil refining production system can be determined. The method used in this research is to reduce the temperature of the water out of the condenser using cooling tower.The best temperature decrease is obtained at A process with the difference in temperature of the cooling water at 1.5oC, 2.5oC, 3.5oC, 5.5oC. The decrease of increasing temperature of the cooling water can increase the capacity process through the addition of process. Optimization of processing time in 12 hours resulted repetition of the process at 4 hour by 3 times. With the cooling tower can reduce the rate of increase temperature in cooling water.Yield of Essential oils increase 29%.
INOVASI ALAT BIOREAKTOR DENGAN SISTEM FLUIDISASI DALAM PEMBUATAN ETANOL DARI MOLASSES Amsar Amsar; Wahyu Diah Proborini; Fenny Suryanti
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 1, No 1 (2016)
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v1i1.646

Abstract

The fermentation process is generally carried out in the community is in a batch, but the process is the concentration of ethanol produced is quite low because of accumulated ethanol production will poison the microorganisms in the fermentation process. Ethanol productivity of batch processes is very small because it takes a long time of about 72 hours. High and low ethanol content is determined in part by sugar levels in the substrate. Sugar compounds are required as a carbon source of energy yeasts. This study aims to determine the maximum results from the opening of flow rate and flow of glucose concentration on the effectiveness of the process and the quality of ethanol. The method used is fluidized semikontinyu fermentation system using Saccharomyces cerevisiae immobilized with the order. The results showed that the fermentation process fluidization semikontinyu that teramobilisasi with that carried out during the first day with a sugar concentration of 15%, 20%, 25%, 30% derived ethanol content of 5%, 8%, 13%, 15% at a flow rate of 30 openings °. Ethanol is also obtained by 8%, 12%, 18%, 20% in opening a flow rate of 60°. Ethanol is also obtained by 8%, 13%, 19%, 21% in opening a flow rate of 90°.
OPTIMASI PROSES DIFUSI UAP PADA DAUN SEREH DAPUR Zuhdi Ma'sum; Wahyu Diah Proborini
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 2, No 2 (2017)
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v2i2.727

Abstract

This study aims to produce a model of household scale industries which are used in urban areas to pay attention to the efficient use of water resources, energy and land. Results of essential oils stored to determine the stability of the composition of the product citral essential oils are processed using steam distillation. Industrial model made from raw material supply of land is limited, the process is effective and efficient use of water and energy to economic analysis. The raw material used is the lemongrass or commonly called Lemongrass kitchen. Kitchen lemongrass plant is observed from planting to harvest right. The area required to sustain the process of production. Methods of planting lemongrass kitchen done naturally without any special treatment such as fertilization and pest control. Tools and processes developed is steam distillation. Engineering tools in order to get the process done the shortest and the least use of energy. A short process to obtain due to optimum cooling rate. Optimum cooling will reduce the processing time and minimize water usage. From the results of research in getting to the land area is 4 x 6m2 can generate lemongrass leaves the kitchen as much as 40kg. Essential oils are produced ± 120ml per day in 4 times long process with total process time 12h. The use of fuel by 12kg LPG per day with a volume of water use remain. With this process, this study managed to shorten the process that the effect of reducing energy and minimize water usage. The advantage that can be gained per day ± Rp310.000. In storage until 23bulan, citral percentage did not change with the level of 28% - 45%.
ISOLASI DAN KARAKTERISASI RUNUTAN SENYAWA METABOLIT SEKUNDER FRAKSI ETIL ASETAT DARI UMBI BINAHONG (Anredera cordifolia [Tenore] steenis) Wahyu Diah Proborini; Chaidir Chaidir
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 1, No 2 (2016)
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v1i2.656

Abstract

Plant secondary metabolites, as products of secondary metabolism, are a tremendous available resource for pharmacy whether traditional or modern medicine system. Binahong (Anredera cordifolia [Tenore] steenis), also known as Madeira vine, is a medicinal plant that has been empirically recognized for several pharmacological compounds. This plant has also been utilized widely in the society for years as anti-oxidant, antiinflammation, anti-fungal, anti-bacteria, anti-diabetic and anti-cancer. Specifically, the research is aiming to identify molecular structure of secondary metabolite compound in ethyl acetate fraction of binahong roots using analytical HPLC while structure elucidation was done by LC-ESI MS, H-NMR and C-NMR. Analytical HPLC of ethyl acetate fraction has showed major peak on its separated derivative fraction, that is coded Ef 1.2 and Ef 1.3, on time retention 37,7 and 37,4 respectively. Considering the significant amount of Ef 1.2 fraction, then it is used in continued analysis rather than Ef 1.3 fraction. In addition, determination of molecular weight using LC-ESI MS resulted the number of molecular weight of Ef 1.2 fraction which is 296,22 Da (m/z). The molecular weight has closest possibility with empirical formula that is loaded from http://www.chemspider.com, is C20H34O. Characterization through H-NMR and C-NMR for its carbon-hydrogen framework was confirmed that the compound of Ef 1.2 is terpenoid named phenanthrena.
Co-Authors Amsar Amsar Chaidir Chaidir Fenny Suryanti Zuhdi Ma’sum