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  <xs:element id="sdsp_NoncashPatronageDividends" abstract="false" name="NoncashPatronageDividends" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sdsp_IncreaseDecreaseInOtherNoncurrentAssetsInvestingActivities" abstract="false" name="IncreaseDecreaseInOtherNoncurrentAssetsInvestingActivities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sdsp_NotesPayableSeasonalLoanAbstract" abstract="true" name="NotesPayableSeasonalLoanAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sdsp_NotesPayableSeasonalLoanTextBlock" abstract="false" name="NotesPayableSeasonalLoanTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="sdsp_MemberDistributionAbstract" abstract="true" name="MemberDistributionAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sdsp_MemberDistributionDisclosureTextBlock" abstract="false" name="MemberDistributionDisclosureTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="sdsp_ScheduleOfDerivativesAssetsAndLiabilitiesNotDesignatedAsHedgingInstrumentsTableTextBlock" abstract="false" name="ScheduleOfDerivativesAssetsAndLiabilitiesNotDesignatedAsHedgingInstrumentsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="sdsp_SoybeanMealAndHullsMember" abstract="true" name="SoybeanMealAndHullsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sdsp_SoybeanOilandOilByproductsMember" abstract="true" name="SoybeanOilandOilByproductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sdsp_SeasonalLoanHighPlainsProcessingLLCMember" abstract="true" name="SeasonalLoanHighPlainsProcessingLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sdsp_SeasonalLoanSouthDakotaSoybeanProcessorsMember" abstract="true" name="SeasonalLoanSouthDakotaSoybeanProcessorsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sdsp_RevolvingTermLoanMember" abstract="true" name="RevolvingTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sdsp_NotesPayableMember" abstract="true" name="NotesPayableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sdsp_RailcarsMember" abstract="true" name="RailcarsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sdsp_EntityInWesternUnitedStatesMember" abstract="true" name="EntityInWesternUnitedStatesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="sdsp_MarginDepositAssetsNet" abstract="false" name="MarginDepositAssetsNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sdsp_FinancialAssetsAbstract" abstract="true" name="FinancialAssetsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="sdsp_InventoryCurrentFairValueDisclosure" abstract="false" name="InventoryCurrentFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
