Strengthens the bounded interpretation of sour mash as feedback control and supplies a direct multi-objective process example; numerical thresholds remain 2003 source-specific.
The chapter contrasts benefits of recycled stillage with inhibition risks and notes that practice varies across plants.
Backset can supply water, acidity, and nutrients to a grain mash, but excessive recycled sodium, lactate, acetate, or other accumulated material can suppress yeast and slow or stop fermentation; dosage and composition therefore matter.
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Chapter 2 — Grain dry milling and cooking procedures
Fresh September28 recheck: printed16–17/PDF27–28 supports this qualitative tradeoff. Chapter2 printed22 is absent, so complete-chapter coverage is not claimed. No universal recycle rate or inhibitor threshold is established.
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