公开(公告)号：US12139442B2

公开(公告)日：2024-11-12

申请号：US18325442

申请日：2023-05-30

Applicant: IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC.

Inventor： Santanu Bakshi ,  Robert C. Brown ,  Ryan G. Smith

IPC: C05D9/00 ,  C05G3/80

Abstract: The present application relates to an iron impregnated biochar and its use as a fertilizer. The iron impregnated biochar of the present application has a ratio of iron (III) to iron (II) ranging from 5:1 to 10:1. The biochar may be produced by a method including treating the biomass with an iron (II) ion solution, pyrolyzing the iron (II)-treated biomass in an oxidative environment and recovering the biochar product from the pyrolyzed iron (II)-treated biomass.

公开(公告)号：US11702374B2

公开(公告)日：2023-07-18

申请号：US17336804

申请日：2021-06-02

Applicant: IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC.

Inventor： Santanu Bakshi ,  Robert C. Brown ,  Ryan G. Smith

IPC: C05D9/00 ,  C05G3/80

CPC classification number: C05D9/00 ,  C05G3/80

Abstract: The present application relates to an iron impregnated biochar and its use as a fertilizer. The iron impregnated biochar of the present application has a ratio of iron (III) to iron (II) ranging from 5:1 to 10:1. The biochar may be produced by a method including treating the biomass with an iron (II) ion solution, pyrolyzing the iron (II)-treated biomass in an oxidative environment and recovering the biochar product from the pyrolyzed iron (II)-treated biomass.