Ruß, W., Schmid, N. and Meyer-Pittroff, R. (2003) “Heat treatment of kieselguhr in order to improve filtration properties and for recycling”, BrewingScience, 56(7/8), pp. 134–140. Available at: https://brewingscience.de/index.php/brewingscience/article/view/575 (Accessed: 30 May 2026).