Valdemar Lacerda Junior

Title: Valdemar Lacerda Junior: Innovator in Naphthenic Acid Isolation

Introduction

Valdemar Lacerda Junior is a notable inventor based in Vila Velha, Brazil. He has made significant contributions to the field of laboratory-scale sample preparation, particularly in the isolation of naphthenic acids from petroleum production.

Latest Patents

Valdemar holds a patent for a method of isolation of ARN acids from naphthenate deposits. This invention describes a methodology for the specific isolation of tetraprotic naphthenic acids, known as ARN acids, from residual naphthenate deposits. The method involves cleaning the naphthenate deposit, converting naphthenate salts to naphthenic acids, and isolating ARN acids from other organic acids. This is achieved using a silica-based sorbent material with aminopropyl functional groups, which has been selected for efficient elution of different functional groups and polarities. He has 1 patent to his name.

Career Highlights

Throughout his career, Valdemar has worked with prominent organizations, including Petroleo Brasileiro S.A. (Petrobras) and Universidade Federal do Espírito Santo (UFES). His work has significantly impacted the field of petroleum chemistry and laboratory methodologies.

Collaborations

Valdemar has collaborated with esteemed colleagues such as Eliane Valeria De Barros and Alvaro Cunha Neto. Their joint efforts have contributed to advancements in the understanding and application of naphthenic acid isolation techniques.

Conclusion

Valdemar Lacerda Junior's innovative work in the isolation of ARN acids showcases his expertise and dedication to advancing laboratory methodologies in petroleum chemistry. His contributions continue to influence the field and inspire future research.