<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1665-6423</journal-id>
<journal-title><![CDATA[Journal of applied research and technology]]></journal-title>
<abbrev-journal-title><![CDATA[J. appl. res. technol]]></abbrev-journal-title>
<issn>1665-6423</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Ciencias Aplicadas y Tecnología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1665-64232022000200136</article-id>
<article-id pub-id-type="doi">10.22201/icat.24486736e.2022.20.2.1813</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[The structure and particle size of nanocarbon liquid particle from palm oil mill effluent using the hydrothermal method]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sitepu]]></surname>
<given-names><![CDATA[Evi Christiani]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Saragih]]></surname>
<given-names><![CDATA[Gimelliya]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tambunan]]></surname>
<given-names><![CDATA[Diman Raymond S.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rianna]]></surname>
<given-names><![CDATA[Martha]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Politeknik Teknologi Kimia Industri  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Indonesia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universitas Sumatera Utara  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Indonesia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universitas Sumatera Utara Fakultas Matematika dan Ilmu Pengetahuan Alam Laboratorium Fisika Komputasi]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Indonesia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2022</year>
</pub-date>
<volume>20</volume>
<numero>2</numero>
<fpage>136</fpage>
<lpage>141</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1665-64232022000200136&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1665-64232022000200136&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1665-64232022000200136&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Palm oil mill effluent (POME) is a biomass produced in a mill by processing palm oil. In this research, the structure and particle size of nanocarbon particle from palm oil mill effluent (POME) have been succesfully determined by using the hydrothermal method. The characterization of structure and particle size was conducted by XRD, PSA, FTIR and UV-Vis, respectively. Single crystal of carbon structures in all peaks and an average crystal size of 30.58 nm were confirmed from XRD analysis. Then, a PSA analysis showed that the average particle sizes of nanocarbon from palm oil mill effluent were 1.153 nm. Both the analysis of structure and the analysis of particle size are indicators of nanosize from carbon particles synthesized from palm oil mill effluent. The FTIR spectrum confirmed that functional groups indicate that nanocarbons had been found in POME samples with luminescence generated from the surface state. The POME solution was successfully converted into nanocarbon in the presence of blue fluorescence under UV light and has light absorption in the UV region at a peak of ~300 nm based from the UV-Vis results.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Palm oil mill effluent (POME)]]></kwd>
<kwd lng="en"><![CDATA[hydrothermal method]]></kwd>
<kwd lng="en"><![CDATA[nanocarbon]]></kwd>
<kwd lng="en"><![CDATA[particle size]]></kwd>
</kwd-group>
</article-meta>
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