SARI, VIRTA PUSPITA (2016) KARBON AKTIF DARI BIJI ALPUKAT SEBAGAI ADSORBEN LOGAM BESI (Fe) DALAM AIR LIMBAH. Other thesis, POLITEKNIK NEGERI SRIWIJAYA.
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Abstract
Avocado is a fruit that is found in many tropical areas especially in Indonesia, avocado seed is contain starch that is potential to be raw materials for activated carbon. The purpose of this experiment is to determine the influence of the activator of activated carbon base on quality that refer to SNI 06-3730-95 and activated carbon adsorption capacity to adsorb ferrous metals. The process to make activated carbon from avocado seed consists of the carbonization process at 500°C for 1 hour and for the activation process use chemical activation method with soak it in acid phosphate (H3PO4) as activator and sulfuric acid (H2SO4) for 24 hours with various concentrations of 1 M, 1,5 M, 2 M, 2,5 M and 3 M then wash it until the pH is neutral. The analysis consist of moisture content, ash content, volatile matter content, carbon content, the number of iodine and ferrous metals adsorption capacity. In determining the adsorption capacity of the activated carbon use ferrous metals with the amount of 1 g and an ferrous metals content measured by using Atomic Absorption Spectrophotometer. The results showe that the activated carbon from avocado seed with acid activator phosphate 1 M has a better quality than the sulfuric acid with a water content of 5,13%, 5,24 % ash content , volatile matter content of 18,64%, levels of carbon 70,99%, iodine number 930,67mg/g and the adsorption capacity of 41,31 % Fe .
| Item Type: | Thesis (Other) |
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| Uncontrolled Keywords: | Biji alpukat, Karbon aktif, Karbonisasi, Aktivator, Adsorpsi |
| Subjects: | T Technology > TP Chemical technology |
| Divisions: | Chemical Engineering > Undergraduate Theses |
| Depositing User: | Mrs Trisni Handayani |
| Date Deposited: | 03 May 2017 02:41 |
| Last Modified: | 03 May 2017 02:41 |
| URI: | http://eprints.polsri.ac.id/id/eprint/3443 |
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