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Lisna Efiyant
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Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Materials Science & Nanotechnology

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Journal : Jurnal Penelitian Hasil Hutan

 1 
KARAKTERISASI DAN ADSORPSI KARBON TERSULFONASI DARI BAMBU ANDONG DENGAN PERBEDAAN UKURAN PARTIKEL Lisna Efiyant; Angelica Paramasari; Poedji Hastoeti; Dadang Setiawan; Novitri Hastuti; Nela Rahmati Sari; Ani Iryani
Jurnal Penelitian Hasil Hutan Vol. 40 No. 2 (2022): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2022.40.2.115%E2%80%93124

Abstract

Carbon has many benefits as an adsorbent, catalyst, drug delivery, energy, and it can produced from various resources, includinglignocellulosic biomass. One of the potential biomass for carbon material is bamboo. The particle size is usually inversely proportionalto the surface area and adsorption level; therefore, studying the particle size of activated carbon is essential. This research aims toproduce carbon and sulfonated carbon from andong bamboo to understand the effect of particle size on the characteristics andadsorption capacity. The method for this research was the pyrolysis of andong bamboo into sulfonated carbon bioproducts usingH2SO4 10N with variations in particle size of 60 and 100 mesh. The proximate analysis of activated carbon based on IndonesianNational Standard (SNI) No.06-3730-1995 includes moisture content, ash content, volatile matter content, and fixed carbon.Sulfonated carbon adsorption analysis was conducted on iodine, methylene blue, ammonia, chloroform, and benzene compounds.The result showed that the proximate parameters of activated carbon produced had met the SNI requirements. The adsorptioncapacity of activated carbon on the adsorption of iodine, methylene blue, ammonia, chloroform, and benzene was 421.71432.50mg/g; 20.3521.90 mg/g; 9.559.98 mmol/g; 10.1615.03%, and 4.63.83%, respectively. Based on andong sulfonatedcarbon data, it can be used as an adsorbent and renewable green catalyst.
KETAHANAN LIMA JENIS KAYU TERHADAP SERANGAN DELAPAN JENIS JAMUR PELAPUK Sihati Suprapti; Esti Rini Satiti; Lisna Efiyant; Djarwanto
Jurnal Penelitian Hasil Hutan Vol. 39 No. 1 (2021): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2021.39.1.27-38

Abstract

Lesser-known wood originating from rain-forests is an alternative raw material for the national timber industry.Optimizing this wood group’s utilisation requires information on its resistance to the decaying fungus attack of eachwood species used. This research is studying the resistance of five wood species from West Kalimantan, and the rusttest was carried out on the metal embedded in heartwood and exposed to fungus using the Kolle-flask method. NaOH’swood-solubility analysis referred to ASTM D-1110-84’s Standard. Results revealed that Albizia sp. and Syzygiumsp. belonged to resistant woods (class II); Santiria sp. and Lithocarpus ewyckii belonged to moderately-resistant(class III); while Xanthophyllum excelsum belonged to not-resistant (class IV). The greatest weight loss occurredat sapwood of Xanthophyllum excelsum being exposed to Pycnoporus sanguineus. Average weight loss atheartwood (with class II) was lower than that at sapwood (class III). The greatest weight loss of woods embedded byscrews occurred at screwed Syzygium sp. then exposed to Polyporus sp. The average weight loss of screwed woods wasgreater than that of unscrewed woods. Meanwhile, the highest weight loss of screws occurred at Xanthophyllumexcelsum, then at Syzygium sp., exposed to Polyporus arcularius. The greatest weight of screw-rust powder wasachieved at Syzygium sp. exposed to Polyporus arcularius. Five fungi species exhibited moderate capability, whilethree species afforded low capability in decaying woods. The effect of decaying fungi on corroding screws was entirely low.
Co-Authors Angelica Paramasari Ani Iryani Dadang Setiawan Djarwanto Esti Rini Satiti Nela Rahmati Sari Novitri Hastuti Poedji Hastoeti Sihati SUPRAPTI