Jozsef Zoldi

Title: Jozsef Zoldi: Innovator in Alumina Production

Introduction

Jozsef Zoldi is a notable inventor based in Budapest, Hungary. He has made significant contributions to the field of alumina production, holding a total of 6 patents. His work focuses on improving processes related to the extraction and reduction of materials in the Bayer cycle.

Latest Patents

One of Zoldi's latest patents is a process for producing alumina, which enhances the extraction of alumina from gibbsitic bauxites. This process involves mixing bauxites with a sodium hydroxide-sodium aluminate digestion liquor and digesting them at temperatures ranging from 100°C to 180°C. The improvement lies in controlling the reactive hydroxide ion concentration in the liquid phase of the slurry, ensuring it remains below 6 g/l, preferably between 0 and 2 g/l. Another significant patent addresses the reduction of sodium hydroxide losses in the Bayer cycle through modified causticization of red mud.

Career Highlights

Throughout his career, Zoldi has worked with prominent companies such as Magyar Aluminiumipari Tröszt and Almasfuzitoi Timfoldgyar. His expertise in alumina production has made him a valuable asset in the industry.

Collaborations

Zoldi has collaborated with notable individuals in his field, including Jozsef Boros and Karoly Solymar. These partnerships have contributed to the advancement of his innovative processes.

Conclusion

Jozsef Zoldi's contributions to alumina production through his patents and collaborations highlight his role as an influential inventor in the field. His work continues to impact the industry positively.