This inventor holds 1 USPTO granted patent and 2 published patent applications. Top assignee: L'air Liquide,societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude. Active years: 2026.
Company Filing History:
Years Active: 2026
Title: Oliveira Araujo - Innovator in Kraft Pulp Process Technologies
Introduction
Oliveira Araujo is an inventor based in Miraflores, Portugal. He has made significant contributions to the field of pulp processing, focusing on innovative methods to enhance efficiency and sustainability in Kraft pulp processes. Although he currently holds no granted patents, his work is paving the way for advancements in this industry.
Latest Patent Applications
Araujo's latest patent applications include two notable processes. The first is titled "PROCESS TO OBTAIN FULLY OXIDIZED WHITE LIQUOR FOR USE IN THE FIBERLINE OF A KRAFT PULP PROCESS." This application relates to a method for obtaining fully oxidized white liquor from white liquor used in Kraft pulp processes. The fully oxidized white liquor is designed to be used in alkaline steps of certain stages of the Kraft pulp process fiberline, potentially substituting purchased sodium hydroxide. Additionally, this process allows for the purging of non-process elements (NPEs) by directing alkaline wash filtrates to a wastewater treatment plant.
The second application is "SYSTEM AND METHOD FOR THE REMOVAL OF NON-PROCESS ELEMENTS FROM ELECTROSTATIC PRECIPITATOR ASHES IN A KRAFT PULP PROCESS." This application describes a system and method for removing non-process elements, such as Kor Cl, from electrostatic precipitator ashes in a Kraft pulp process. The method involves the addition of a strong acid containing sulfur and CO in separate steps during the ash treatment process.
Conclusion
Oliveira Araujo is an innovative inventor whose work focuses on improving Kraft pulp processing techniques. His latest patent applications demonstrate his commitment to enhancing sustainability and efficiency in the industry. As he continues to develop his ideas, Araujo's contributions may lead to significant advancements in pulp processing technologies.