Since the official Spanish version is outdated (based on 1995), here are alternatives:

Si tu necesidad es exclusivamente académica y con recursos limitados:

Si desea, preparo una versión en PDF del informe, un resumen capítulo a capítulo, o busco (legalmente) la edición/ISBN más reciente para ayudarle a adquirir la copia actualizada.

You can find the full text or significant previews and summaries through the following educational and document-sharing platforms: Bioprocess Engineering Principles - ScienceDirect.com

The text is organized into four primary sections that take the reader from foundational math to complex reactor engineering: BIOPROCESS ENGINEERING PRINCIPLES