Pratama, Rendi Adi and Paramitha, Lely (2023) SINTESIS NANO-PRECIPITATED CALSIUM CARBONATE DARI CANGKANG BEKICOT DENGAN PENAMBAHAN POLIMER PEG 400. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
Snail shells are a by-product of processed people's consumption that has not been widely used because they have a hard texture. The snail shell itself has a CaO content of up to 96% based on the results of XRF analysis. The research on the synthesis of nano-precipitated calcium carbonate has the objective to study and determine the effect of temperature and stirring speed on nanoprecipitated calcium carbonate from snail shell waste by using the co-precipitation method. The research plan used a heating plate stirrer with the specified variables including an initial sample weight of 30 grams, a CaCl mole ratio of 1:16, pH 10, and a stirring time of 4 hours. For the variables carried out with coprecipitation reaction temperatures (oC) = 50, 60, 70, 80, and 90 and for stirring speed (rpm) = 550, 700, 850, 1000, and 1150. The best results in this study were obtained Nano size -PCC is 54.83 nm with PSA analysis, 50.09 nm with Scherrer equation, and 56.81 nm with SEM and the yield obtained is 70.112%. These results were obtained at a temperature of 90oC with a stirring speed of 1150 rpm.
| 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: | RENDI ADI PRATAMA | ||||||||
| Date Deposited: | 25 Jul 2023 06:24 | ||||||||
| Last Modified: | 25 Jul 2023 06:24 | ||||||||
| URI: | http://repository.upnjatim.ac.id/id/eprint/16363 |
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