<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>2505</termId><termName>SULFONACIÓN DEL CARBÓN</termName><termType>TT</termType><termLanguage>es</termLanguage><termVocabulary>Tesauro Ambiental de Colombia</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>SULFONACIÓN DEL CARBÓN</termSortkey><termNote label="Scope"><![CDATA[ Tratamiento del carbón con acido sulfúrico. ]]></termNote><termCreatedDate>2026-05-25 01:03:53</termCreatedDate><relation><relationType>UF</relationType><termId>1838</termId><termName>LLUVIA ÁCIDA</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>1707</termId><termName>INDUSTRIA DEL CARBÓN</termName><termType>ND</termType></relation><relation><relationType>RT</relationType><termId>507</termId><termName>CARBÓN</termName><termType>PT</termType></relation></term>  </Zthes>