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2 results about "Iron chelate" patented technology
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Ferric EDTA is the coordination complex formed from ferric ions and EDTA. In contact with aerated natural waters, iron mainly exists in the ferric form. EDTA is a common chelating agent with a high affinity for ferric ions. Near neutral pH, the principle complex is [Fe(EDTA)(H₂O)]⁻, although most sources ignore the aquo ligand. The [Fe(EDTA)(H₂O)]⁻ anion has been crystallized with many cations, e.g., the trihydrate Na[Fe(EDTA)(H₂O)]·2H₂O. The salts are yellow-brown.
An iron chelate of a phosphorylated peptide of hemoglobin of yanan yellow cattle, and a preparation method and application thereof
This invention relates to the field of biomedical technology, providing a phosphorylated peptide iron chelate of Yanbian cattle hemoglobin, its preparation method, and its applications. The Yanbian cattle hemoglobin phosphorylated peptide iron chelate is prepared from Yanbian cattle blood through enzymatic hydrolysis, phosphorylation, and iron chelation. Specifically, the phosphorylation step actively introduces strongly negatively charged phosphate groups into the Yanbian cattle hemoglobin peptide chain, serving as new and stronger metal ion coordination sites, thereby specifically enhancing its chelating ability for ferrous ions and the stability of the complex. The Yanbian cattle hemoglobin phosphorylated peptide iron chelate possesses high iron content and good gastrointestinal stability, showing broad application prospects in the preparation of a new generation of highly efficient and low-irritant iron supplements.
Owner:YANBIAN UNIV
Sulfur denitrification agent using sulfur-containing wastes
The present invention relates to a sulfur denitrification agent using sulfur-containing wastes, which can be recycled as a denitrification agent for water treatment by using discarded mine drainage sludge, sulfur-containing wastes generated in a hydrogen sulfide removal process, and the like. The sulfur denitrification agent using sulfur-containing wastes of the present invention includes, on the basis of the total weight, 50-70 wt% of mine drainage sludge, 15-30 wt% of waste iron sulfide generated in a hydrogen sulfide removal process, and 15-30 wt% of sulfur powder, wherein as the sulfur powder, sulfur generated in a desulfurization process is used, and the sulfur generated in the desulfurization process is sulfur sludge generated in the desulfurization process using iron chelate (Fe-chelate) or sulfur-containing wastes generated in a bio-sulfur treatment process.
Owner:E & CHEM SOLUTION