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INDONESIA
Jurnal Teknik Kimia
Published by Universitas Pembangunan Nasional Veteran Jawa Timur
ISSN : 19780419     EISSN : 26558394     DOI : -
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Chemistry
Jurnal Teknik kimia fokus pada proses perpindahan panas dan massa, material maju, teknik reaksi kimia, pengolahan dan pengelolaan limbah, biomassa dan energi, termodinamika, biokimia, elektrokimia, perancangan dan pengendalian proses, proses pencampuran dan pemisahan. Rung lingkup (Scope) Jurnal Teknik Kimia meliputi semua aspek yang berhubungan dengan bidang teknik kimia, ilmu kimia. dan semua proses reaksi kimia.
Arjuna Subject : -
Articles 7 Documents
 1 
Search results for , issue "Vol 2, No 2 (2008): JURNAL TEKNIK KIMIA" : 7 Documents clear
ANALISA TRANSFER MASSA DISERTAI REAKSI KIMIA PADA ABSORPSI CO2 Kusnaryo, Radya Purna Wijaya, Ali Altway,
Jurnal Teknik Kimia Vol 2, No 2 (2008): JURNAL TEKNIK KIMIA
Publisher : Program Studi Teknik Kimia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/jurnal_tekkim.v2i2.94

Abstract

The aim of this research is to study mass transfer in CO2 absorptions a packed column for nonisothermal reversible reactions. The study was developed experimental and simulation co2 with air andpotassium carbonate solution is the matter used in this research.The arrangement counter current packed column to which a CO2 – air mixture flow is feed from the bottomand potassium carbon from the top of column.The work of simulation developed with microscopic mass and energy balance in column.The effect of flow absorbent and K2CO3 concentration is study do to percent CO2 removal. The results is;in range flow 3-5 l/mm have 10 % diviasi and range flow : 5-7 l/mnt was have deviasi in range 10-30 %Key words :mass transfer, absorption, non-isothermal, packed column
PENGARUH KONSENTRASI LARUTAN GARAM DAN WAKTU Kurniawan, Ronny
Jurnal Teknik Kimia Vol 2, No 2 (2008): JURNAL TEKNIK KIMIA
Publisher : Program Studi Teknik Kimia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/jurnal_tekkim.v2i2.86

Abstract

Catfish is a kind of fish that has high protein rate around 20% mass that can be exploited onthe application knowledge of food biotechnology, and one of protein resources for Indonesia society.The application is as raw material soy sauce making.The experiment of soy sauce making that made of the catfish conducted by pulverizing thecatfish flesh then mixed it up with pulverized pineapple (containing bromelin enzyme) and water. Thecomparison mass is (g):mass (g):volume (ml) with the comparison value 1:2:1 and pH 6-7. All of thematerial has to be put the incubator as long as 3 days with the temperature 50o Keywords : soy sauce, fermentation, catfish, streptococcus lactis bactery, bromelinC. The hydrolysis result added with salt in the concentration 3% (mass/volume), 5% (mass/volume), 9%(mass/volume) and acidbactery lactit streptococcus lactis which further on separated it so it produced the fish soy saucefiltrate.The purpose of this research are to analyze the influence of salt condensation concentrationand the time of processed salt condensation fermentation by using 2 sided variant analysis method andto analyze totalize dissolve nitrogen content and organoleptic test including taste, color and scent toget soy sauce with quality. The result shows the highest protein rate is got on condensationconcentration variation of 3% and 7 day, hydrolysis time with protein rate of 17.95%. While accordingto organoleptic test the sauce which is produced accepted enough by society including taste, scent andcolor.
PEMANFAATAN BONGGOL PISANG UNTUK PEMBUATAN ASAM PHOSPAT Nurma Wahyusi, Kindriari
Jurnal Teknik Kimia Vol 2, No 2 (2008): JURNAL TEKNIK KIMIA
Publisher : Program Studi Teknik Kimia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/jurnal_tekkim.v2i2.87

Abstract

Banana a tropical and subtropical tree with good prospect found anywhere in Indonesia which easy to cultivateand rapidly. Concerning the chemical composition, the hump banana tree contain phosphorous large enoughe.Using special treatment and adding sulfuric acid alkali, the phosphorous content at the hump banana tree couldbe processed to produce phosphoric acid.The objective of research is to produce phosphoric acid from the hump banana tree waste as the syntheticfertilizer as follows : TSP, NPK etc. it also can be used as sugar cane substance to remove the impurities. Hopethe research will be worthwhile and value for hump banana tree waste.There are two process steps i.e. : The process which contain calcium and phosphorous to compound calciumphosphate. Then the phosphoric acid compound process. It also produces gypsum at the reaction. This research’sresult showed that 3 hours and sulfuric acid concentration of 60 % could reduce phosphorous convertionoptimum i.e. : 0,79 was obtained at ambon banana.Key words : hump banana tree, phosphoric acid.
PENGAMBILAN MINERAL ELEKTROLIT DARI LIMBAH GARAM Hapsari, Nur Hapsari
Jurnal Teknik Kimia Vol 2, No 2 (2008): JURNAL TEKNIK KIMIA
Publisher : Program Studi Teknik Kimia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/jurnal_tekkim.v2i2.88

Abstract

Bittern is a thick liquid that obtained from crystallization waste that left from salt making process.Bittern contain many minerals including macro mineral micro mineral. This mineral formed because ittakes part in crystallization at salt making process. From the great quantities that bittern contain, theresome minerals that have high that is: Magnesium (Mg), Natrium (Na), Kalium (K), and Calcium (Ca).These four minerals important minerals that needed for human body’s health, so that can be used asmineral ionic supplement that have benefit for human’s health.Electro dialysis membrane is one of ions separation process from some liquid with the use of highelectrical wave through semi permeable membrane that have permeable characteristic for some specificions. This process produce one part that we call“Konsentrat” and the other part we call it “Diluat” . The variable that we are going to use for this research is : bittern concentrations, voltage and timeof operation. And the best research result take place in condition : feed concentration in bittern 1composition, voltage that we used is 2,9 volt and time of operation is 150 minutes and also produce %magnesium (Mg) rejection = 91,9%, % Natrium (Na) rejection = 74,66%, % (K) Kalium rejection =92,88% and % Calcium (Ca) rejection = 96,19%.Key words : bittern, membrane, electro dialysis, concentrate, diluat, rejection
MODEL MATEMATIKA ADSORPSI ZEOLIT ALAM Adi Saputro,E, Pujiastuti,C
Jurnal Teknik Kimia Vol 2, No 2 (2008): JURNAL TEKNIK KIMIA
Publisher : Program Studi Teknik Kimia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/jurnal_tekkim.v2i2.89

Abstract

Waste Water of electroplating industry contains various dangerous metal ion wich aredangerous for environment, for example Zinc and Nickel. The concentration of those heavy metal ioncan exeed quality standard value of waste water, therefore it needs to be processed before releasedto environmentIn this research, processing of Waste Water of electroplating industry was done by usingzeolite as metal ion adsorbent of Zn. This Research was done by using baffle tank .The purpose of this research was to get mathematics equation of Langmuir and of Freundlichzeolite absorption to Zn ion.. Specified conditions : waste water volume 200ml, baffle rotation 100rpm . with variable done were : Zeolite size, squealer time and zeolite weight. Waste water with zeolitewere swirled during certaintimer; then filtered and the content of Zn ion of the filtrate was analyzed.Early Concentration from waste water ( Zn 2+) is : 113,37 mg / lEquation acquire in this research for zeolite size 40 mesh were as follows :Freundlich equation : ln ( x / m) = 0,3268 c ln - 0,8284, with correlation coefficient of R2 = 0,9262 .While Langmuir equation was :24 , 169 485 , 25) / (+ − =  Keyword : zeolite, waste of electroplating, adsorption, Zn ionwith R2 = 0,99. Based on equation above, zeolite requirement for reducing the content of Zn in electroplating waste water can be calculated, to the wantedconcentrationC m xC
TEKNOLOGI HEMAT ENERGI UNTUK PRODUKSI MULJANI, SRIE
Jurnal Teknik Kimia Vol 2, No 2 (2008): JURNAL TEKNIK KIMIA
Publisher : Program Studi Teknik Kimia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/jurnal_tekkim.v2i2.90

Abstract

The aim of this study is to calculate energy consumption at ectractive distillation process with saltsand solvent mixture as entrainer to produce fuel grade alcohol (>99.8%w). This process used twocolumn, the main exctractive column and the recovery column. A substantial reduction in the energyconsumption, compared with conventional process, was predicted by using ethylene glycol and salts isNaCl, K2CO3 and CaCl2  2CO3 : 0.05 g/ml or CaCl2  Key words : fuel grade alcohol, extractive distillation, solvent mixture0.75 g/ml or NaCl : 0.13 g/ml, at reflux ratio 1.5.as entrainer. Solvent and feed volum ratio (S/F) are varied in the range 0.3 – 1.4 , concentration salts in solvent are varied in the range 0.03 – 0.55 g salt / ml solvent and refluxratio 0.5 – 2.5. The results show that high S/F ratios increase the energy consumption, temperature ofthe solvent has important effect on distillate composition and energy consumption, this effect dependson the reflux ratio. Effect of salts show that when salts concentration increases, distillate compositionand energy consumption also increase. For distillate composition > 99.8%w, the lower energyconsumption Q = 821 KJ/kg and number of stage 36 (35% lower than conventional process) reachedin S/F ratio 0.9, K
KAJIAN PEMANFAATAN LIMBAH NILAM UNTUK PUPUK CAIR ORGANIK Soraya Santi, Sintha
Jurnal Teknik Kimia Vol 2, No 2 (2008): JURNAL TEKNIK KIMIA
Publisher : Program Studi Teknik Kimia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/jurnal_tekkim.v2i2.93

Abstract

Waste of the distillation of pogestemon cablin still havet high nutrient content and potentialas a good raw material of organic fertilizer . Rapid composting technology and efficient organicfertilizer will produce high quality compost. This study aim to determine the best conditions in termsof fermentation time 6,10,14,18,22 day and volume of bacteria (EM4): 2,4,8,10% EM4/solution wereadded to the N, P, K most in the process of making liquid fertilizer to use waste leaves the distillationof pogestemon cablin of N, P and K respectively 10.6% weight, 1.19% and 3.08% heavy weight andthe volume EM4 8% and the fermentation time of 14 days.Key words : pogestemon cablin, fermentation, ,liquid organic fertilizer, nitrogen,kalium, phospor

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