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EFEKTIVITAS VARIASI KETEBALAN ARANG AKTIF BAMBU DALAM MENURUNKAN KADAR KADMIUM (Cd) PADA LARUTAN PUPUK MENGANDUNG KADMIUM

*Anisfi Choirunnisa  -  , Indonesia
Nur Endah Wahyuningsih  -  , Indonesia
Praba Ginandjar  -  , Indonesia
Published: 1 Oct 2018.

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Abstract

Excessive use of fertilizers in agricultural activities has a detrimental effect on the preservation of land and the environment due to high fertilizer residues on the land. This study aims to determine the effectiveness of thickness variations of activated bamboo charcoal in reducing levels of heavy metal cadmium (Cd) in fertilizer solution. The type of research used is quasi experiment with non randomized control group design. Variations in thickness of active bamboo charcoal used were 30 cm, 35 cm, 40 cm, and 45 cm. The sample used was an artificial fertilizer solution by mixing water and phosphate fertilizer SP 36. The results showed cadmium levels before treatment were 1,846 mg/l. Cadmium levels after being treated with variations in thickness of bamboo active charcoal 30 cm, 35 cm, 40 cm, and 45 cm respectively were 1.183 mg/l, 1.013 mg/l, 0.915 mg/l, and 0.817 mg/l . The highest decrease in cadmium levels was found in a variation of 45 cm thickness with a percentage of 55.74%. Based on one way ANOVA test with a 95% confidence level, p value <0.05 so it is known that there is a difference in the average decrease in cadmium levels with variations in media thickness (activated bamboo charcoal). The conclusion of this study is that activated charcoal bamboo can reduce cadmium levels in fertilizer solution, but has not been able to reduce cadmium levels to the specified quality standard.

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Keywords: Actevated Bamboo Charcoal, Adsorption, Cadmium, Fertilizer, Thickeness

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