Performance Evaluation of Refractory Bricks Produced from Nigerian Fireclays Blended with Zircon

Performance Evaluation of Refractory Bricks Produced from Nigerian Fireclays Blended with Zircon

Ugochukwu Philip Ochieze

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1 University of Lagos

GJRE Volume 18 Issue J5

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$Performance Evaluation of Refractory Bricks Produced from Nigerian Fireclays Blended with Zircon Banner$

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The objective of our study was to evaluate, in a population of Togolese People Living With HIV(PLWHIV), the agreement between three scores derived from the general population namely the Framingham score, the Systematic Coronary Risk Evaluation (SCORE), the evaluation of the cardiovascular risk (CVR) according to the World Health Organization.

In Nigeria, importation of several additives usually used in blending fireclays is on the increase. Similarly, other materials available in the country are currently underutilized. These materials could be used as additives to alter/improve the refractory properties of fireclay. The performance behavior of refractory bricks produced from a single and multi-component blending of Osiele and Ikorodu fireclays with Azara-Lafia zircon was studied. The chemical compositions of the raw materials were determined using the Atomic Absorption Spectrophotometer (AAS-PG990AFG). The Osiele and Ikorodu fireclays were blended with Azara-Lafia zircon at varying mass proportions of 10 -35%. The blended samples were mixed with water (3 -4%), molded into bricks using the Hydraulic Press (Paul-Weber D-7084) to 300KN. The bricks were air dried for 24 hours and later fired in the Carbolite RHF-16/15 furnace at 800oC to 1200oC. Cold crushing strength test were conducted using Testometric M-500-30KN D7940.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

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Not applicable for this article.

Ugochukwu Philip Ochieze. 2018. \u201cPerformance Evaluation of Refractory Bricks Produced from Nigerian Fireclays Blended with Zircon\u201d. Global Journal of Research in Engineering - J: General Engineering GJRE-J Volume 18 (GJRE Volume 18 Issue J5): .

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GJRE Volume 18 Issue J5
Pg. 43- 49

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

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Classification

GJRE-J Classification: FOR Code: 091299

Submission ReceivedDecember 10, 2017
RevisedDecember 10, 2017
Peer Review Double Blind
Handling Editor
Accepted January 1, 2018
Published January 15, 2018

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v1.2

Issue date

December 8, 2018

Language

English

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Total Score: 101

Country: Nigeria

Subject: Global Journal of Research in Engineering - J: General Engineering

Authors: Ugochukwu Philip Ochieze (PhD/Dr. count: 0)

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