<?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>2224-6185</journal-id>
<journal-title><![CDATA[Tecnología Química]]></journal-title>
<abbrev-journal-title><![CDATA[RTQ]]></abbrev-journal-title>
<issn>2224-6185</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Oriente]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2224-61852020000200393</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Remoción de níquel por electrocoagulación del sistema Ni(II)-NH3-CO2-SO2-H2O con electrodos de aluminio]]></article-title>
<article-title xml:lang="en"><![CDATA[Nickel removing by electrocoagulation of the system Ni(II)-NH3-CO2-SO2-H2O with aluminum electrode]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rojas-Vargas]]></surname>
<given-names><![CDATA[Armando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ricardo-Riverón]]></surname>
<given-names><![CDATA[Aymara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Penedo-Medina]]></surname>
<given-names><![CDATA[Margarita]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ojeda-Armaignac]]></surname>
<given-names><![CDATA[Elaine]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Empresa de Servicios Técnicos de Computación, Comunicaciones y Electrónica del Níquel (SERCONI)  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro de Investigaciones del Níquel (CEDINIQ)  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Oriente Facultad de Ingeniería Química ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2020</year>
</pub-date>
<volume>40</volume>
<numero>2</numero>
<fpage>393</fpage>
<lpage>412</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2224-61852020000200393&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2224-61852020000200393&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2224-61852020000200393&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Se estudió la remoción de níquel por electrocoagulación del sistema Ni(II)-NH3-CO2-SO2-H2O, contenido en el licor efluente del sedimentador de carbonato básico de níquel de la planta productora de níquel por la Tecnología de Lixiviación Carbonato Amoniacal, en Punta Gorda, Cuba. Se realizó un diseño experimental completo, con un nivel central y 3 réplicas; y los factores densidad de corriente, pH, temperatura y tiempo de electrólisis. La concentración inicial de níquel fue de 660 mg/L; el volumen de licor, 500 mL, el par de electrodos Al/Al, separados 10 mm, con un área efectiva de 4,6·10-3 m2. Las condiciones más favorables se lograron a 9,8 mA/cm2, 60ºC, pH=8,65 y 40 min de electrólisis, para una remoción de un 95%, consumo específico de energía y costo de operación de 5,41 kW-h/kg Al y 712 $/t Ni respectivamente.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The nickel removal was studied by electrocoagulation of the Ni(II)-NH3-CO2-SO2-H2O system, content in the effluent liquor of nickel basic carbonate settler tank of the nickel producing plant by the Ammoniacal Carbonate Leaching Technology, in Punta Gorda, Cuba. A complete experimental design was carried out, with a central level and 3 replicas; and the factors current density, pH, temperature and electrolysis time. The initial nickel concentration was 660 mg/L; the volume of liquor, 500 mL, the pair of electrodes Al/Al, separated 10 mm, with an effective area of &#8203;&#8203;4,6 · 10-3 m2. The most favorable conditions were achieved at 9,8 mA/cm2, 60 °C, pH = 8,65 and 40 min of electrolysis, for a 95% removal, specific energy consumption and the operating cost of 5,41 kW-h/kg Al and 712 $/t Ni respectively.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[electrocoagulación]]></kwd>
<kwd lng="es"><![CDATA[níquel]]></kwd>
<kwd lng="es"><![CDATA[lixiviación carbonato amoniacal]]></kwd>
<kwd lng="en"><![CDATA[electrocoagulation]]></kwd>
<kwd lng="en"><![CDATA[nickel]]></kwd>
<kwd lng="en"><![CDATA[ammonia/ammonium carbonate leaching]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[AL&#8209;QODAH]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[AL&#8209;SHANNAG]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[BANI&#8209;MELHEM]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Free radical&#8209;assisted electrocoagulation processes for wastewater treatment]]></article-title>
<source><![CDATA[Environ. Chem. Lett.]]></source>
<year>2018</year>
<volume>16</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>695-714</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[NEPO]]></surname>
<given-names><![CDATA[N.J.]]></given-names>
</name>
<name>
<surname><![CDATA[GOURICH]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[CHAFI]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Electrocoagulation process in water treatment: A review of electrocoagulation modeling approaches]]></article-title>
<source><![CDATA[Desalination]]></source>
<year>2017</year>
<volume>404</volume>
<page-range>1-21</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[BAZRAFSHAN]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Heavy metals removal from aqueous environments by electrocoagulation process- a systematic review.]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[MOHAMMADI]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[ANSARI-MOGHADDAM]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Environ. Health Sci. Eng.]]></source>
<year>2015</year>
<volume>13</volume>
<numero>74</numero>
<issue>74</issue>
<page-range>2-16</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[DIDAR]]></surname>
<given-names><![CDATA[S.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Electrocoagulation (EC) technology for wastewater treatment and pollutants removal]]></article-title>
<source><![CDATA[Sustain. Water. Resour. Manag.]]></source>
<year>2017</year>
<volume>5</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>359-80</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[GARCÍA-SEGURA]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Electrocoagulation and advanced electrocoagulation processes: A general review about the fundamentals, emerging applications.]]></article-title>
<source><![CDATA[J. Electroanal. Chem.]]></source>
<year>2017</year>
<volume>801</volume>
<page-range>267-99</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[VLACHOU]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of various parameters in removing Cr and Ni from model wastewater by using electrocoagulation]]></article-title>
<source><![CDATA[Global NEST J.]]></source>
<year>2013</year>
<volume>15</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>494-503</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[DERMENTZIS]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[VALSAMIDOU]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[LAZARIDOU]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nickel removal from wastewater by electrocoagulation]]></article-title>
<source><![CDATA[J. Eng. Sci. Tech. Rev.]]></source>
<year>2011</year>
<volume>4</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>188-92</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[MAGAÑA-IRONS]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[ROJAS-VARGAS]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Remoción de contaminantes del residual lácteo por electrocoagulación con electrodos de aluminio]]></article-title>
<source><![CDATA[Tecnología Química.]]></source>
<year>2020</year>
<volume>40</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>19-36</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[OJEDA - ARMAIGNAC]]></surname>
<given-names><![CDATA[ELAINE]]></given-names>
</name>
</person-group>
<source><![CDATA[Obtención de un inhibidor de la corrosión a partir de la electrocoagulación de la vinaza]]></source>
<year>2012</year>
<publisher-loc><![CDATA[Santiago de Cuba ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[MAGAÑA]]></surname>
<given-names><![CDATA[M.E.H.]]></given-names>
</name>
<name>
<surname><![CDATA[ROJAS-VARGAS]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rango de pH para destilar el licor de lixiviación carbonato amoniacal]]></article-title>
<source><![CDATA[Tecnología Química]]></source>
<year>2013</year>
<volume>33</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>200-5</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[ROJAS-VARGAS]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Medición del pH durante la destilación del licor producto del proceso Caron (III)]]></article-title>
<source><![CDATA[Tecnología Química]]></source>
<year>2012</year>
<volume>32</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>177-85</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[ROJAS-VARGAS]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Lixiviación carbonato amoniacal: estimación del níquel disuelto en el efluente de destilación]]></article-title>
<source><![CDATA[Revista de Metalurgia]]></source>
<year>2019</year>
<volume>55</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>1-11</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[LEKHLIF]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[OUDRHIRI]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[ZIDANE]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Study of the electrocoagulation of electroplating industry wastewaters charged by nickel (II) and chromium (VI)]]></article-title>
<source><![CDATA[J. Mater. Environ. Sci.]]></source>
<year>2014</year>
<volume>5</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>111-20</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[AL&#8209;QODAH]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[AL&#8209;SHANNAG]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Heavy metal ions removal from wastewater using electrocoagulation processes.]]></article-title>
<source><![CDATA[Sep. Sci. Technol.]]></source>
<year>2017</year>
<volume>52</volume>
<numero>17</numero>
<issue>17</issue>
<page-range>2649-76</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[KALEEM]]></surname>
<given-names><![CDATA[M. K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efficiency of Aluminum and Iron Electrodes for the Removal of Heavy Metals [(Ni (II), Pb (II), Cd (II)] by Electrocoagulation Method.]]></article-title>
<source><![CDATA[J. Korean Chem. Soc.]]></source>
<year>2013</year>
<volume>57</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>316-21</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[MANSOUR]]></surname>
<given-names><![CDATA[S. E]]></given-names>
</name>
<name>
<surname><![CDATA[HASIEB]]></surname>
<given-names><![CDATA[I. H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Removal of Nickel from drinking water by electrocoagulation technique using alternating current.]]></article-title>
<source><![CDATA[Curr. Res. Chem.]]></source>
<year>2012</year>
<volume>4</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>41-50</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[SABEDOT-PERTILE]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[JONKO]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Treatment of hydrocyanic galvanic effluent by electrocoagulation: Optimization of operating parameters]]></article-title>
<source><![CDATA[Korean J Chem Eng]]></source>
<year>2017</year>
<volume>34</volume>
<numero>10</numero>
<issue>10</issue>
</nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[SHINIAN]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[XIAOKUN]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[KUANG]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Simultaneous removal Ni (II) and fluoride from a real flue gas desulfurization wastewater by electrocoagulation using Fe/C/Al electrode.]]></article-title>
<source><![CDATA[J. Water Reuse Desalin.]]></source>
<year>2016</year>
<volume>7</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>217-28</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[TEZCAN]]></surname>
<given-names><![CDATA[U.]]></given-names>
</name>
<name>
<surname><![CDATA[EREN]]></surname>
<given-names><![CDATA[S.O.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Removal of Heavy Metals (Cd, Cu, Ni) by Electrocoagulation]]></article-title>
<source><![CDATA[IJESD]]></source>
<year>2015</year>
<volume>6</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>425-9</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[SHUNXI-ZHANG]]></surname>
<given-names><![CDATA[XIAOHONG-YANG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Treatment of Wastewater Containing Nickel by Electrocoagulation Process]]></article-title>
<source><![CDATA[Environ. Eng. Sci.]]></source>
<year>2017</year>
<volume>34</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>861-71</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[VASUDEVAN]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[LAKSHMI]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[SOZHAN]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Simultaneous removal of Co, Cu, and Cr from water by electrocoagulation]]></article-title>
<source><![CDATA[Toxicol. Environ. Chem.]]></source>
<year>2012</year>
<volume>94</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>1930-40</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[MOHAMMED]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effecting of pH Parameter on Simulated Wastewater Treatment Using Electrocoagulation Method.]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[ALJABERI]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Eng.]]></source>
<year>2018</year>
<volume>24</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>73-88</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[BEYAZIT]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Copper (II), Chromium (VI) and Nickel (II) Removal from Metal Plating Effluent by Electrocoagulation.]]></article-title>
<source><![CDATA[Int. J. Electrochem. Sci.]]></source>
<year>2014</year>
<volume>9</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>4315-30</page-range></nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[ULAMBAYAR]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[OYUNTSETSEG]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Removal of Cr3+ by electrocoagulation from simulated wastewater.]]></article-title>
<source><![CDATA[Mong. J. Chem.]]></source>
<year>2014</year>
<volume>15</volume>
<numero>41</numero>
<issue>41</issue>
<page-range>89-93</page-range></nlm-citation>
</ref>
<ref id="B25">
<label>25</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[IDOWU-ADEOGUN]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[BABU-BALAKRISHNAN]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Kinetics, isothermal and thermodynamics studies of electrocoagulation removal of basic dye rhodamine B from aqueous solution using steel electrodes.]]></article-title>
<source><![CDATA[Appl. Water Sci.]]></source>
<year>2017</year>
<volume>7</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>1711-23</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
