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All Journal Seminar Nasional Teknik Kimia Kejuangan
Tedi Hudaya
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Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Engineering Environmental Science

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Kajian Peforma Katalis Ni-Mo-S/γ-Al2O3Proses Hidrotreating Minyak BijiKapok (Ceiba pentandra) untuk Sintesa Biosolar Tedi Hudaya; Catherine Chaterine; Ferynna Ferynna; Tatang Hernas Soerawidjaja
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2018: PROSIDING SNTKK 2018
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Studi Dinamika Proses Distilasi Reaktif Dalam Produksi 2-EthylhexylDodecanoate Menggunakan Aspen Plus Dynamics: Fungsi Alih Antara Komposisi Produk Terhadap Beban Reboiler dan Laju Refluks I Gede Pandega W; Tedi Hudaya; Philander .
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2017: PROSIDING SNTKK
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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In chemical industry, control system is one of the most important things to ensure production quality andsafety. In designing the control system, dynamics models in the form of transfer functions are required. In acomplex process the transfer functions are derived from black box models, in which the relationshipsbetween input and output variables are obtained from the dynamic data regression. One of the complexprocesses that can be found in the chemical industry is reactive distillation (RD). RD control system usuallytake the products compositions as controlled variable (CV) while manipulated variable or controller output(CO) are reboiler duty and reflux flow rate. This research aims to find the form of the transfer functionbetween CV and CO, as well as the values of the parameters of the transfer function. To achieve this goals,dynamic simulations of RD column was carried out by step test using Aspen Plus Dynamics. The result wasthen regressed to obtain the most appropriate transfer function. The chemical process that is applied in thecolumn RD is the production of 2-ethylhexyl-dodecanoate, a fatty acid ester which has a high economic valuefor it is widely used as raw materials of specialty chemical
Sintesis Senyawa Bioaromat Melalui Proses Siklisasi Katalitik Gugus Asam Lemak α-eleostearat Dalam Minyak Kemiri Sunan Vincensia Michelle; Tedi Hudaya; Tatang Hernas Soerawidjaja
Prosiding Seminar Nasional Teknik Kimia "Kejuangan" 2017: PROSIDING SNTKK
Publisher : Seminar Nasional Teknik Kimia Kejuangan

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Abstract

Kemiri sunan oil (Reutalis trisperma) is a non-edible vegetable oils which thrives in Indonesia, has α-eleostearic acid that can be processed into aromatic compound through isomerization-cyclizationdisproportionation.The purpose of this research was knowing kemiri sunan oil’s potency for synthesizingaromatic compound and the effects of the reaction’s condition and solvent : feed ratio to the yield of cycliccompound. This research was initiated by testing kemiri sunan oil quality by several tests: acid number,iodine number, and saponification number. Saponification was done using KOH at 60°C ; 3 hours. Then,Mg(NO3)2 was added as substituent for K in base soap and Cr(NO3)3 as a catalyst. Obtained Mg soap wasthen cleaned using aquadest before dried in the oven until its mass was constant at 60°C, then diluted inDiethanolamine. The reaction was held for 2 hours with the variations of temperature and ratio of solvent :feed (w/w). The product was then extracted using toluene in order to gain all of the aromatic compound.Then, the separation of the solvent from the product was done using simple distillation. Cyclic productpresence in the form of ortho-disubstituted benzene was tested qualitatively using FTIR, while thequantitative tests were conducted by Wijs test and aromatic product’s mass calculation.
Co-Authors Catherine Chaterine Ferynna Ferynna I Gede Pandega W Philander . Tatang Hernas Soerawidjaja Tatang Hernas Soerawidjaja Vincensia Michelle