An Attrition-resistant Zinc Titanate Sorbent for Sulfur. [Quarterly] Technical Report, March 1, 1993--May 31, 1993 PDF Download

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An Attrition-resistant Zinc Titanate Sorbent for Sulfur. [Quarterly] Technical Report, March 1, 1993--May 31, 1993

An Attrition-resistant Zinc Titanate Sorbent for Sulfur. [Quarterly] Technical Report, March 1, 1993--May 31, 1993 PDF Author:
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Languages : en
Pages : 14

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Book Description
In the continuing search for good sorbent materials to remove sulfur from hot, coal-derived gases, zinc titanate sorbents have shown great promise. The objective of this project is to extend the work of prior investigators by developing improvements in the compressive strength and, therefore, the cycle life of these sorbents without a significant loss in chemical reactivity. During the third quarter, the preparation and properties of sorbents with a nominal composition of 50% Zn2TiO4 and 50% TiO2 were studied. In differential thermogravimetric tests of reactivity, specimens sintered at 850 and 900°C both gave two identical sulfidation-regeneration cycles. Specimens sintered at lower temperatures showed evidence of degradation during the second cycle. Materials of this composition had lower crush strengths than for the composition 75% Zn2TiO4 -- 25% TiO2 reported earlier, but higher values than reported by other investigators. Future work will include the preparation and properties of a lot of material with a coarser structure and larger pores, and microscopic studies on all three lots of material.