Muharomah, Adeela Alvhiani (2024) Pra Rencana Pabrik Asam Oksalat Dihidrat dari Tepung Sagu dan Asam Nitrat dengan Proses Hidrolisis-Oksidasi Karbohidrat Kapasits 40.000 Ton/Tahun. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
Dihydrate Oxalic Acid Factory from Sago Starch and Nitric Acid with a Carbohydrate Hydrolysis-Oxidation Process of 40,000 Tons/Year will be established in the Jababeka Industrial Area in Jayamukti Village, North Cikarang District, Bekasi Regency, West Java. This Dihydrate Oxalic Acid Factory uses a continuous operation system 24 hours a day with 330 working days and 167 employees. The main raw material is sago flour obtained from PT. Harsindo Oetama Perkasa, the second ingredient is Nitric Acid Obtained from PT Mitra Nitrotama Kimia Cikampek. The third ingredient, sulfuric acid, was obtained from PT Timuraya Tunggal. Oxalic acid can be used as an explosive, metal treatment, making dyes, crayons, candle industry, ink, chemicals in photography and for laboratory analysis purposes. The production process of oxalic acid dihydrate starts from the main raw material Sago starch is used as a carbohydrate source which will be hydrolyzed using a sulfuric acid catalyst at a temperature of 80 C. This hydrolysis produces glucose which will be reacted with HNO3 using a vanadium pentaoxide catalyst which will produce an oxalic acid solution which will be filtered using a filter press and NO gas which will be contacted with water to form HNO3. The resulting filter press solution will be concentrated in the evaporator at a temperature of 90 C with a pressure of 0.8 atm. The concentrated solution will enter the crystallizer to form oxlic acid dihydrate crystals. After that, the oxalic acid dihydrate crystals will be separated from the mother liquor using a centrifuge, where the mother liquor will be returned to the crystallizer. Oxalic acid dihydrate crystals will be dried in a rotary dryer until the water content is less than 1%. The oxlic acid crystals will be dried using a cooling conveyor. Then reduce the size using a ball mill. After that, it goes into the silo and then packed.
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | T Technology > TP Chemical technology > TP155 Chemical engineering | ||||||||
| Divisions: | Faculty of Engineering > Departement of Chemical Engineering | ||||||||
| Depositing User: | Adeela Alvhiani Muharomah | ||||||||
| Date Deposited: | 12 Jan 2024 07:24 | ||||||||
| Last Modified: | 12 Jan 2024 07:24 | ||||||||
| URI: | http://repository.upnjatim.ac.id/id/eprint/19690 |
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