1. Can ethanol partially or fully replace sulfuric acid in the acid wash step of bioethanol production to fight contamination by Lactobacillus fermentum?

   • José Machado da Silva-Neto
   • Elizabete Aparecida Covre
   • Sandra Regina Ceccato-Antonini

   Original Paper 25 May 2020 Pages: 323 - 332

   

2. Three-dimensional simulation of a secondary circular settling tank: flow pattern and sedimentation process

   • Regiani Aparecida de Almeida
   • Ricardo Vicente de Paula Rezende
   • Sandro Rogério Lautenschlager

   Original Paper 09 March 2020 Pages: 333 - 350

   

3. Biodiesel production from rubber seed oil using calcined eggshells impregnated with Al₂O₃ as heterogeneous catalyst:  A comparative study of RSM and ANN optimization

   • Sai Bharadwaj Aryasomayajula Venkata Satya Lakshmi
   • Niju Subramania Pillai
   • Anantharaman Narayanan

   Original Paper 28 February 2020 Pages: 351 - 368

   

4. A potential bio-antioxidant for mineral oil from cashew nutshell liquid: an experimental and theoretical approach

   • Rubem S. F. Paula
   • Rodrigo S. Vieira
   • Maria A. S. Rios

   Original Paper 20 May 2020 Pages: 369 - 381

   

5. NaA zeolite membranes on modified porous stainless steel supports: a comparative study of different SiO₂ sources

   • Yohana Martinez Galeano
   • Ana M. Tarditi
   • Laura M. Cornaglia

   Original Paper 10 June 2020 Pages: 383 - 397

   

6. Kinetic models for the extraction of copper by Acorga M5640 after leaching of malachite ore in perchloric acid solutions and the stripping of copper from loaded organic phase

   • Mehmet Kayra Tanaydın
   • Nizamettin Demirkıran

   Original Paper 21 May 2020 Pages: 399 - 414

   

7. Babassu activated carbon as catalyst for chalcone production by Claisen–Schmidt reaction: kinetic study, mechanism proposal and continuous flow bed reactor

   • Caroline Winter Catharin
   • Andréa Rodrigues Chaves
   • Caridad Noda Pérez

   Original Paper 18 May 2020 Pages: 415 - 423

   

8. Analysis of flow profiles and mass transfer of monolithic chromatographic columns: the geometric influence of channels and tortuosity

   • Jamille C. Coimbra
   • Marcio A. Martins
   • Luis Antonio Minim

   Original Paper 10 June 2020 Pages: 425 - 438

   

9. Correction to: Optimization for coproduction of protease and cellulase from Bacillus subtilis M‑11 by the Box–Behnken design and their detergent compatibility

   • Sercan Özbek Yazıcı
   • Ismail Özmen

   Correction 20 June 2020 Pages: 439 - 441