Cristina Maria Dos Santos Sad

Title: Cristina Maria Dos Santos Sad: Innovator in Naphthenic Acid Isolation

Introduction

Cristina Maria Dos Santos Sad is a notable inventor based in Sera, Brazil. She has made significant contributions to the field of laboratory-scale sample preparation, particularly in the isolation of naphthenic acids from petroleum production residues. Her innovative approach has implications for both environmental and industrial applications.

Latest Patents

Cristina 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 its efficiency in eluting different functional groups and polarities. She has 1 patent to her name.

Career Highlights

Throughout her career, Cristina has worked with prominent organizations, including Petroleo Brasileiro S.A. (Petrobras) and Universidade Federal do Espirito Santo (UFES). Her work in these institutions has allowed her to develop and refine her innovative methodologies in the field of chemistry and petroleum engineering.

Collaborations

Cristina has collaborated with esteemed colleagues such as Valdemar Lacerda Junior and Eliane Valeria De Barros. These partnerships have contributed to her research and the advancement of her patented methodologies.

Conclusion

Cristina Maria Dos Santos Sad is a pioneering inventor whose work in isolating naphthenic acids has the potential to impact both the petroleum industry and environmental science. Her contributions reflect the importance of innovation in addressing complex challenges in these fields.