Pembuatan dan Karakterisasi BPAC (Banana Peels Activated Carbon) Sebagai Biosorben Logam Raksa (Hg) dengan Aktivator HCl

None Putri Ade Rahma Yulis, None Asyti Febliza
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Abstract

Based on the 2021 Central Statistics Agency (BPS) about environment, there is still a high level of pollution, especially pollution in water. The pollution is dominated by heavy metal contaminants. This research was carried out to make and characterized biosorbents which were activated into activated carbon from banana peel waste called BPAC (Banana Peels Activated Carbon) with HCl activator. Activated carbon has many advantages as an adsorbent with time and cost efficiency in absorbed heavy metals. Activated carbon from banana peels that has been formed was tested for its characterization included tests for water content, ash content, and iodine absorption and compared with SNI standard activated carbon quality with results of 3.9% water content, 6.2% ash content and iodine absorption 563.6 mg/g. The functional groups were tested by FT-IR (Fourier Transform-Infra Red) with the result spectrum at the peak of 3334 cm-1, 2921 cm-1, 2853 cm-1, 1575 cm-1, 1375 cm-1, and 1098 cm-1 which indicated the presence of functional groups such as (C-O); (C=O); (C-H); (O-H) of several compounds such as lignin, pectin, cellulose and galacturonic acid as active sites that can bind heavy metals such as mercury. Surface morphology of activated carbon was tested by SEM (Scanning Electron Microscopy) with 500x and 1000x magnification. Activated carbon that has been tested is then applied to artificial mercury metal waste to determine the adsorption power and effectiveness of the activated carbon. Mercury metal content before adsorption was 6.995 mg/L and after adsorption was 0.0084 mg/L which was measured used ICP-OES (Inductively Coupled Plasma – Optical Emission Spectrometry). The percentage effectiveness of BPAC (Banana Peels Activated Carbon) reaches 99.87% with an adsorption capacity of 0.698 mg/g. Based on the results of this percentage it can be said that BPAC is effective to be used as a metal mercury biosorbent.
用盐酸活化剂制备用作金属汞(Hg)生物吸附剂的 BPAC(香蕉皮活性炭)及其特性分析
根据2021年中央统计局(BPS)关于环境的报告,污染程度仍然很高,特别是水的污染。污染以重金属污染物为主。以香蕉皮为原料,用HCl活化剂制备了活性炭生物吸附剂BPAC (banana Peels activated carbon),并对其进行了表征。活性炭作为一种吸附剂,在吸附重金属方面具有时间和成本效益的优点。对已制得的香蕉皮活性炭进行了表征测试,包括含水量、灰分、吸碘性测试,并与SNI标准活性炭质量进行了比较,结果为含水量3.9%、灰分6.2%、吸碘563.6 mg/g。用傅里叶变换红外光谱(FT-IR)对其进行了表征,结果光谱峰为3334 cm-1、2921 cm-1、2853 cm-1、1575 cm-1、1375 cm-1和1098 cm-1,表明存在(C-O)等官能团;(C = O);(碳氢键);(O-H)的几种化合物,如木质素,果胶,纤维素和半乳糖醛酸作为活性位点,可以结合重金属,如汞。用500倍和1000倍放大的扫描电子显微镜(SEM)检测活性炭的表面形貌。然后将经过测试的活性炭应用于人造汞金属废物,以确定活性炭的吸附能力和有效性。吸附前汞含量为6.995 mg/L,吸附后汞含量为0.0084 mg/L,采用电感耦合等离子体-光学发射光谱法测定。香蕉皮活性炭(BPAC)的吸附率达到99.87%,吸附量为0.698 mg/g。根据该百分比的结果,可以说BPAC作为金属汞生物吸附剂是有效的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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