Company Filing History:
2 out of 8 
1 out of 6 Years Active: 2010-2017
Title: Innovations of Fengren Liu in Magnetic Iron Oxide
Introduction
Fengren Liu is a notable inventor based in Beijing, China, recognized for his contributions to the field of environmental protection and material science. He holds three patents that focus on the preparation and application of magnetic iron oxide and its derivatives. His work is significant in the development of desulfurization technologies, which are crucial for reducing environmental pollutants.
Latest Patents
Fengren Liu's latest patents include a preparation method and application of magnetic iron oxide, specifically FeO. This method involves preparing a solid green rust and calcining it to obtain magnetic iron oxide FeO. The patent also details the application of this material as an active component in desulfurization processes at medium temperatures. Another notable patent describes a method for regenerating amorphous iron oxide hydroxide, which is used as a desulfurizer. This method includes steps for grinding waste mixtures, preparing suspensions, and filtering to separate elemental sulfur from the amorphous iron oxide hydroxide.
Career Highlights
Throughout his career, Fengren Liu has worked with several companies, including Beijing Sj Environmental Protection and New Material Co., Ltd. and Beijing Sanju Environmental Protection and New Material Co., Ltd. His experience in these organizations has allowed him to apply his innovative ideas in practical settings, contributing to advancements in environmental technologies.
Collaborations
Fengren Liu has collaborated with notable colleagues such as Zhenyi Liu and Ke Lin. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and enhances the development of innovative solutions in their field.
Conclusion
Fengren Liu's work in the preparation and application of magnetic iron oxide has made significant strides in environmental protection technologies. His patents reflect a commitment to innovation and sustainability, showcasing his role as a key inventor in this important area.