Pengaruh Waktu Karbonisasi Terhadap Kadar Air dan Abu Serta Kemampuan Adsorpsi Arang Tempurung Nipah Teraktivasi Asam Klorida

Rahayu, Theresia Evila Purwanti Sri; Dwityaningsih, Rosita; Ulikaryani, Ulikaryani

doi:10.35970/infotekmesin.v13i1.1027

Cited by 2 publications

(4 citation statements)

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“…inhibit the adsorption process of activated carbon(Rahayu et al, 2022;Shah et al, 2018;Zhou et al, 2001). The water content of all types of biosorbents produced in this study ranged from 2.67 to 10.70%.…”

mentioning

confidence: 68%

“…Water content determination aims to determine the hygroscopic nature of activated carbon (Sahara et al, 2017). The water content in activated carbon will affect the internal interaction process, where water will dissolve carbon and increase the molecular weight, which can inhibit the adsorption process of activated carbon (Rahayu et al, 2022;Shah et al, 2018;Zhou et al, 2001). The water content of all types of bio-sorbents produced in this study ranged from 2.67 to 10.70%.…”

Section: Bio-sorbent Qualitymentioning

confidence: 87%

“…06-3730-1995, which is a minimum of 120 mg/g. The methylene blue number can also be used as an indicator of adsorption capacity related to activated carbon's mesoporous and macropore capacities (Rahayu et al, 2022).…”

Section: Bio-sorbent Qualitymentioning

confidence: 99%

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Removal of Cadmium (II) by Adsorption using Water Hyacinth (<i>Eichhornia crassipes</i>) Dried Biomass

Rosidah¹,

Rahayu²,

Susanti³

2023

J. Ecol. Eng.

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Using water hyacinth as a phytoremediation agent produces abundant biomass due to periodic harvesting in the system. One of the alternative uses of water hyacinth biomass can be a bio-sorbent to absorb metal contamination in the waters. This study aims to determine the quality of activated water hyacinth bio-sorbent, potentially reducing metal cadmium (Cd). The research was conducted from January to April 2022. The results showed that the parameters of water content, iodine absorption, and methylene blue in water hyacinth bio-sorbent had met the quality standard of activated carbon based on SNI No. 06-3730-1995. In contrast, the ash content still did not. In water, hyacinth stem bio-sorbents (stems + ZnCl 2 and stems 300 °C + ZnCl 2 ) obtained higher ash content (25.87 and 73.30%) than the ash content of water hyacinth root and leaf bio-sorbent with the same activation treatment. The optimum adsorption capacity (Qe) for the roots + ZnCl 2 occurred at a contact time of 45 minutes which was 8.13 mg/g with an absorption efficiency (Ef) of 34.20%. For the root 300 °C + ZnCl 2 , the optimum adsorption capacity and absorption efficiency occurred at a contact time of 8 hours, namely 9.08 mg/g and 38.66%, respectively. The optimum adsorption capacity and absorption efficiency of the leaves + ZnCl 2 occurred at a contact time of 4 hours, namely 7.63 mg/g and 32.12%, respectively. Meanwhile, at the leaves 300 °C + ZnCl 2 , the optimum adsorption capacity and absorption efficiency occurred at a contact time of 8 hours with a value of Qe = 11.84 mg/g and Ef = 49.35%.

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mentioning

confidence: 68%

Section: Bio-sorbent Qualitymentioning

confidence: 87%

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Removal of Cadmium (II) by Adsorption using Water Hyacinth (<i>Eichhornia crassipes</i>) Dried Biomass

Rosidah¹,

Rahayu²,

Susanti³

2023

J. Ecol. Eng.

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“…Wurmb.) merupakan tanaman yang masih satu keluarga dengan kelapa dan adalah tanaman golongan palem yang juga merupakan tanaman mangrove [8]. Lokasi tempat tumbuhnya meliputi sepanjang pantai selatan Indonesia serta banyak ditemukan juga di area pesisir pantai Cilacap.…”

Section: Pendahuluanunclassified

Analisis Proksimat dan Bilangan Yodium Sebagai Kajian Awal Aarang Tempurung Nipah Sebagai Bahan Intermediate Karbon Keras

Rahayu¹,

Nurhilal²,

Dwityaningsih³

2023

jrh

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ABSTRAKKarbon keras sebagai anoda baterai ion sodium memiliki kapasitas penyimpanan ion sodium yang paling tinggi diantara karbon lunak dan grafit karena struktur ikatan karbonnya paling acak sehingga akan menyediakan ruang lebih luas untuk insersi ion sodium. Material karbon keras dapat diperoleh dari biomassa yang murah dan melimpah ketersediaannya. Penelitian ini bertujuan sebagai studi pendahuluan untuk mengetahui potensi nipah sebagai bahan bahan intermediate karbon keras melalui analisis proksimat dan penentuan bilangan yodium. Tempurung nipah diarangkan pada suhu 300 oC selama 1 jam tanpa aktivasi kimia. Arang yang diperoleh dikarakterisasi kadar air, volatile matter, abu, dan fixed carbon sesuai metode ASTM D1762-84 dengan sedikit modifikasi serta penentuan bilangan yodium sesuai metode dalam SNI 06-3730-1995. Kandungan air dan zat anorganik yang cukup rendah ditunjukkan dengan kadar air dan kadar abu masing-masing 5,00% dan 9,97 %, kadar volatile matter dan fixed carbon sebesar 42,93% dan 42,11%, sedangkan bilangan yodium yang dimiliki sebesar 346,86 mg/g. ABSTRACTHard carbon as an anode of a sodium ion battery has the highest sodium ion storage capacity compared to soft carbon and graphite because it has the most random carbon bond structure providing large enough space for sodium ion insertion. Hard carbon materials can be obtained from biomass which is cheap and abundant in availability. This study aims as a preliminary study to determine the potential of nypa shell charcoal as an intermediate material for hard carbon through proximate analysis and determination of iodine numbers. Nypa shells carbonized at a temperature of 300 oC for 1 hour without chemical activation. The charcoal obtained is characterized by moisture, volatile matter, ash, and fixed carbon content according to the ASTM D1762-84 method with a slight modification while iodine number is determined according to the method in SNI 06-3730-1995. Low water content and inorganic substance content indicated by moisture and ash content of 5.00% and 9.97% respectively, volatile matter and fixed carbon are 42.93% and 42.11% while iodine number is 346.86 mg/g.

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Pengaruh Waktu Karbonisasi Terhadap Kadar Air dan Abu Serta Kemampuan Adsorpsi Arang Tempurung Nipah Teraktivasi Asam Klorida

Cited by 2 publications

References 15 publications

Removal of Cadmium (II) by Adsorption using Water Hyacinth (<i>Eichhornia crassipes</i>) Dried Biomass

Removal of Cadmium (II) by Adsorption using Water Hyacinth (<i>Eichhornia crassipes</i>) Dried Biomass

Analisis Proksimat dan Bilangan Yodium Sebagai Kajian Awal Aarang Tempurung Nipah Sebagai Bahan Intermediate Karbon Keras

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