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BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan)
Published by Universitas Medan Area
ISSN : 25975269     EISSN : 2356458X     DOI : 10.31289
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Biolink focuses on the publication of the results of scientific research related to fields. This article is published in the internal and external academic community of the University of Medan Area (UMA) especially in the field of Biology. Biolink publishes scientific articles in the scope of biology that includes environmental biology, industrial biology and health biology. Published articles are the results of research articles, studies or critical and comprehensive scientific studies on important issues related to the field of biology.
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Articles 12 Documents
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Search results for , issue "Vol 1, No 2 (2015): Februari" : 12 Documents clear
PROSES ADSORPSI SENYAWA LINIER ALKILBENZENE SULFONAT (LAS) MELALUI ARANG AKTIF KULIT UBI KAYU Rosliana Lubis; Tsara Atsary
BIOLINK (Jurnal Biologi Lingkungan Industri Kesehatan) Vol 1, No 2 (2015): Februari
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v1i2.723

Abstract

This research aims was to analyze the potential of activated charcoal leather cassava in the adsorption process linear compounds alkilbenzene sulfonate (LAS) contained in the liquid waste household detergents. Stages of the study consisted of charcoal formation process of the skin of cassava through the combustion process of pyrolysis, charcoal leather activation process cassava, and the compound adsorption process linear alkyl sulfonate (LAS) contained in the liquid waste household detergents. The results showed that activated charcoal is formed from leather waste cassava LAS have the ability to adsorb the compounds contained in domestic wastewater. Treatment optimum adsorption occurs at a concentration of activated charcoal leather cassava 4 grams and a contact time of 20 minutes.
STUDI PENINGKATAN DAYA ADSORPSI KARBON AKTIF TERHADAP KADAR PEROKSIDA DENGAN PENAMBAHAN AKTIVATOR Wardatul Husna Irham
BIOLINK (Jurnal Biologi Lingkungan Industri Kesehatan) Vol 1, No 2 (2015): Februari
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v1i2.724

Abstract

Activator that has been successfully used in the process of activation of activated carbon from coconut shell is Na2CO3, NaCl, HCl, H2SO4 and NaOH. The addition of activator in the activated charcoal will enlarge the surface area of the charcoal with open pores are closed, so as to increase the adsorption capacity of activated carbon. In the process of making activated carbon from coconut shell charcoal, carbon obtained randemen quite high, ranging from 80 to 81.74 wt% of carbon initially obtained with water content ranging from 2.2864 to 3.9489% and ash content of 2.04 to 3.28%. This means that the active carbon can be used as an activated carbon is good, because it meets the standards SII quality activated carbon. From the results obtained can be seen that the solution of HCl, NaOH and Na2CO3 can be used as an activator of activated carbon in the lower levels of peroxide. The addition of these activators can enlarge the surface area of the carbon that is by breaking the bonds of hydrocarbons or oxidizing surface molecules. Based on the research results, the best solution is used as an activator of activated carbon in adsorbing peroxide is an alkaline solution that is equal to 91.11% of the initial peroxide content.

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