2021
DOI: 10.4028/www.scientific.net/amr.1162.57
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Activated Carbon Based on Pineapple Crown for Heavy Metal Adsorption

Abstract: The objectives of this study are to investigate the influence of concentration variation of potassium hydroxide (KOH) and to remove a heavy metal in liquid waste of the activated carbon. The raw material of activated carbon was obtained from pineapple crown waste. Pineapple crowns pre-carbonized at 180 oC for 1 hour. Chemical activation was carried out using KOH with concentration 2M, 3M, and 4M for 20 hours at 30 oC and temperature 60 oC for 2 hours. Microwave irradiation was conducted at 630 Watt of output p… Show more

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Cited by 3 publications
(2 citation statements)
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“…Some research did not use adsorbents from natural wastes to cupric adsorption [8][9]. To save the world by decreasing solid wastes, many raw and modified lignocellulosic materials [10][11] i.e., Thumbai (Leucus aspera) leaves [12], grape bagasse [13], and Carnauba straw powder [14], Sugarcane [15], pineapple leave [16][17] and pineapple crown [18] have been already used for cupric ion adsorption. Pineapple is very interesting since its component contains high cellulose to a good characteristic of an adsorbent.…”
Section: Introductionmentioning
confidence: 99%
“…Some research did not use adsorbents from natural wastes to cupric adsorption [8][9]. To save the world by decreasing solid wastes, many raw and modified lignocellulosic materials [10][11] i.e., Thumbai (Leucus aspera) leaves [12], grape bagasse [13], and Carnauba straw powder [14], Sugarcane [15], pineapple leave [16][17] and pineapple crown [18] have been already used for cupric ion adsorption. Pineapple is very interesting since its component contains high cellulose to a good characteristic of an adsorbent.…”
Section: Introductionmentioning
confidence: 99%
“…In the past decade, these materials have been widely used as adsorbents to replace existing technologies. For example, Melaleuca diosmifolia leaf [ 13 ], tomato leaf powder [ 14 ], rice husk [ 15 ], pine cone [ 16 ], olive pomace [ 17 ], pineapple stem [ 18 ], coffee husk [ 19 ], coffee waste [ 20 ], cauliflower leaf [ 21 ], rubber leaf [ 22 ], Formosa papaya seeds [ 23 ], parsley stalks [ 24 ], potato peel waste [ 25 ], cucumber peel [ 26 ], and water hyacinth [ 27 ] have been studied, and it has been found that these agricultural wastes have fine remediation effects on metal polluted wastewater. Compared with other adsorbents, these adsorbents not only have the advantages of fine remediation effects but also are agricultural wastes, which can be widely obtained and are inexpensive.…”
Section: Introductionmentioning
confidence: 99%