Preparation method for spherical nanometre magnesium ferrite desulfurizer

• Main Authors: QU ZHENPING, LI XINYONG, ZHAO QIDONG, CHEN GUOHUA, ZHAO LING, SHI YONG
• Format: Patent
• Language: Chinese; English
• Published: 14.09.2011
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; THEIR RELEVANT APPARATUS; TRANSPORTING

The present invention discloses a preparation method for a spherical nanometre magnesium ferrite desulfurizer, which belongs to the field of pollution control and technology. The method comprises the following steps of: dissolving a ferric nitrate and a magnesium nitrate in a glycol; adding an ammonium acetate into the mixture under the condition of violent stirring; putting the microemulsion in a high-pressure reactor to perform crystallization at 108 to 200 DEG C for 24 to 48h; and after filtering, washing and drying, calcining in a muffle furnace at 500 DEG C for 2h, thus obtaining the spherical nanometre MgFe2O4. The obtained MgFe2O4 is tested by an absorption test and the obtained MgFe2O4 has SO2 adsorbability. The method not only broadens a good MgFe2O4 shape changing and synthesizing method, but also has good SO2 adsorbability. The preparation method has good application value and application prospect in the field of absorption catalysis.