Fabryanty, Rizka and Valencia, Chrissila (2017) Bentonite-alginate polymer nanocomposite for the removal of water-soluble cationic dye. Undergraduate thesis, Widya Mandala Catholic University Surabaya.
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Abstract
Dyes in wastewater produced from textile industry are hazardous pollutants and caused many environmental and health problems. There are various wastewater treatment for dyes removal, however one of the low cost and effective method is adsorption. In adsorption, good adsorbent is adsorbent that has high adsorption capacity, inexpensive and regeneratable. Activated carbon usually used as an adsorbent that has higher adsorption capacity compare to bentonite, but price of activated carbon is more expensive. In order to increace the adsorption capacity of bentonite as adsorbent, bentonite will be combine with natural polymer (alginate) to produce a composite, which called nanocomposite. This nanocomposite will be used to adsorpt cationic dye in wastewater of textile industry. In this research, the process of nanocomposite preparation and performance was studied. Bentonite-alginate nanocomposite was made with ionotropic gelation method. First, bentonite was pre-treatment using hydrochloride acid 5 N, then bentonite dispersion and alginate solution was mixed in certain time then dropped into calcium chloride solution until gelispheres formed. Bentonite-alginate nanocomposite was tested in crystal violet dye as a model of dyes in wastewater textile industry. Adsorption capacity was measured using spectrophotometry method to determine the maximum adsorption capacity.
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Department: | ["eprint_fieldopt_department_Faculty of Engineering" not defined] |
| Uncontrolled Keywords: | Adsorption, alginate, bentonite, crystal violet |
| Subjects: | Engineering > Chemical Engineering |
| Divisions: | Faculty of Engineering > Chemical Engineering Study Program |
| Depositing User: | Users 4809 not found. |
| Date Deposited: | 11 Dec 2017 03:38 |
| Last Modified: | 11 Dec 2017 03:38 |
| URI: | http://repository.ukwms.ac.id/id/eprint/12840 |
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