<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019fb8a1-1a84-75d2-99ca-d7c57b04cb31,g:a8514424-c18a-426b-8ff3-3642d2e592be-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.orioncarbons.com/role/A8KCover" xlink:type="simple" xlink:href="oec-20260805.xsd#A8KCover"/>
  <link:presentationLink xlink:role="http://www.orioncarbons.com/role/A8KCover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_019fb8a1-1a84-78af-98b7-91858af8b420" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019fb8a1-1a84-72ff-ac4e-1a82b24e1971" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019fb8a1-1a84-78af-98b7-91858af8b420" xlink:to="loc_dei_DocumentType_019fb8a1-1a84-72ff-ac4e-1a82b24e1971" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019fb8a1-1a84-767e-88f3-380f0a74fa24" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019fb8a1-1a84-78af-98b7-91858af8b420" xlink:to="loc_dei_DocumentPeriodEndDate_019fb8a1-1a84-767e-88f3-380f0a74fa24" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019fb8a1-1a84-715a-a821-68841aa710bf" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019fb8a1-1a84-78af-98b7-91858af8b420" xlink:to="loc_dei_EntityRegistrantName_019fb8a1-1a84-715a-a821-68841aa710bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019fb8a1-1a84-7c10-b3cd-3a5619816208" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019fb8a1-1a84-78af-98b7-91858af8b420" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019fb8a1-1a84-7c10-b3cd-3a5619816208" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019fb8a1-1a84-778c-8a83-c033f4a68bec" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019fb8a1-1a84-78af-98b7-91858af8b420" xlink:to="loc_dei_EntityFileNumber_019fb8a1-1a84-778c-8a83-c033f4a68bec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019fb8a1-1a84-7bdb-b528-1b364d53fc97" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019fb8a1-1a84-78af-98b7-91858af8b420" xlink:to="loc_dei_EntityTaxIdentificationNumber_019fb8a1-1a84-7bdb-b528-1b364d53fc97" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019fb8a1-1a84-7ed9-ae79-af1d7b3fd5cf" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019fb8a1-1a84-78af-98b7-91858af8b420" xlink:to="loc_dei_EntityAddressAddressLine1_019fb8a1-1a84-7ed9-ae79-af1d7b3fd5cf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019fb8a1-1a84-7f48-8008-ca589f20c7a3" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019fb8a1-1a84-78af-98b7-91858af8b420" xlink:to="loc_dei_EntityAddressCityOrTown_019fb8a1-1a84-7f48-8008-ca589f20c7a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019fb8a1-1a84-7890-b9c6-2fe7e3ecb608" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019fb8a1-1a84-78af-98b7-91858af8b420" xlink:to="loc_dei_EntityAddressStateOrProvince_019fb8a1-1a84-7890-b9c6-2fe7e3ecb608" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019fb8a1-1a84-7f83-a99c-b9a39583c366" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019fb8a1-1a84-78af-98b7-91858af8b420" xlink:to="loc_dei_EntityAddressPostalZipCode_019fb8a1-1a84-7f83-a99c-b9a39583c366" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019fb8a1-1a84-7aa6-88d0-4e3ab3a97cdd" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019fb8a1-1a84-78af-98b7-91858af8b420" xlink:to="loc_dei_CityAreaCode_019fb8a1-1a84-7aa6-88d0-4e3ab3a97cdd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019fb8a1-1a84-7cb0-a331-0743d18e8f39" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019fb8a1-1a84-78af-98b7-91858af8b420" xlink:to="loc_dei_LocalPhoneNumber_019fb8a1-1a84-7cb0-a331-0743d18e8f39" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_019fb8a1-1a84-726c-9211-ebe4dc8e6377" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019fb8a1-1a84-78af-98b7-91858af8b420" xlink:to="loc_dei_WrittenCommunications_019fb8a1-1a84-726c-9211-ebe4dc8e6377" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_019fb8a1-1a84-748f-9114-9ab9ff61293c" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019fb8a1-1a84-78af-98b7-91858af8b420" xlink:to="loc_dei_SolicitingMaterial_019fb8a1-1a84-748f-9114-9ab9ff61293c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_019fb8a1-1a84-7640-8df0-17c07e0e45c3" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019fb8a1-1a84-78af-98b7-91858af8b420" xlink:to="loc_dei_PreCommencementTenderOffer_019fb8a1-1a84-7640-8df0-17c07e0e45c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_019fb8a1-1a84-76bc-bda4-f3c89999396f" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019fb8a1-1a84-78af-98b7-91858af8b420" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_019fb8a1-1a84-76bc-bda4-f3c89999396f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019fb8a1-1a84-7792-b58c-013a445dbb8f" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019fb8a1-1a84-78af-98b7-91858af8b420" xlink:to="loc_dei_Security12bTitle_019fb8a1-1a84-7792-b58c-013a445dbb8f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019fb8a1-1a85-7c3c-9b9d-c1170569b747" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019fb8a1-1a84-78af-98b7-91858af8b420" xlink:to="loc_dei_TradingSymbol_019fb8a1-1a85-7c3c-9b9d-c1170569b747" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019fb8a1-1a85-72ba-8315-87262cae392d" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019fb8a1-1a84-78af-98b7-91858af8b420" xlink:to="loc_dei_SecurityExchangeName_019fb8a1-1a85-72ba-8315-87262cae392d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019fb8a1-1a85-7819-a4e5-0b28f8c820a9" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019fb8a1-1a84-78af-98b7-91858af8b420" xlink:to="loc_dei_EntityEmergingGrowthCompany_019fb8a1-1a85-7819-a4e5-0b28f8c820a9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019fb8a1-1a85-75e1-978e-5286507550fb" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019fb8a1-1a84-78af-98b7-91858af8b420" xlink:to="loc_dei_EntityCentralIndexKey_019fb8a1-1a85-75e1-978e-5286507550fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019fb8a1-1a85-79bc-bf0f-4dfd39bbd5ab" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019fb8a1-1a84-78af-98b7-91858af8b420" xlink:to="loc_dei_AmendmentFlag_019fb8a1-1a85-79bc-bf0f-4dfd39bbd5ab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
