Chandrashekhar Narayan Joshi

Title: Innovations of Chandrashekhar Narayan Joshi

Introduction

Chandrashekhar Narayan Joshi is a notable inventor based in Maharashtra, India. He has made significant contributions to the field of chemical engineering, particularly in the development of processes for producing high-purity compounds. With a total of 4 patents to his name, his work has implications in various industrial applications.

Latest Patents

One of his latest patents is a process for preparing L-(+)-lactic acid. This invention provides a commercially viable method for producing highly pure and optically active L-(+)-lactic acid and S-(−)-methyl lactate. The process involves the esterification of an aqueous crude lactic acid solution derived from sugar cane juice fermentation broth and methanol. It utilizes a continuous counter-current trickle phase approach or a bubble column method, incorporating stabilizers to enhance purity. The resulting S-(−)-methyl lactate has significant industrial applications, particularly in pharmaceuticals, food additives, and biodegradable polymers.

Another notable patent by Joshi is the process for the recovery of pure acrylonitrile. This method involves quickly vaporizing contaminated acrylonitrile under vacuum, followed by contacting it with hydrophilic agents in an extractive distillation column. This innovative approach ensures the recovery of highly pure acrylonitrile, which is essential for various chemical applications.

Career Highlights

Chandrashekhar Narayan Joshi is affiliated with the Council of Scientific & Industrial Research, where he continues to contribute to advancements in chemical processes. His work is characterized by a focus on creating efficient and environmentally friendly methods for producing essential chemical compounds.

Collaborations

Throughout his career, Joshi has collaborated with several esteemed colleagues, including Prashant Purushottam Barve and Ravindra William Shinde. These collaborations have further enriched his research and innovation efforts.

Conclusion

Chandrashekhar Narayan Joshi's contributions to the field of chemical engineering through his innovative patents demonstrate his commitment to advancing industrial processes. His work not only enhances the production of vital compounds but also paves the way for sustainable practices in the industry.