Application of Response Surface Methodology (RSM) in Production of Potassium Aluminium Sulphate from Egyptian Kaolin - Egyptian Knowledge Bank

369704

Application of Response Surface Methodology (RSM) in Production of Potassium Aluminium Sulphate from Egyptian Kaolin

Article

Last updated: 09 Mar 2025

Subjects

Abstract

Alum is a commonly a hydrated double sulfate salt of aluminum with the general formula XAl(SO4)2·12H2O, wherein X is a monovalent cation that includes Ammonium or Potassium. It is used in water purification, medicines, cosmetics, food preparation, and flame-retardant paper and textiles. The goal of the present work is to produce potassium aluminum sulfate (PAS) from local kaolin. Alum is produced through leaching of metakaolin with H2SO4 to obtain liquid aluminum sulphate (AS), which crystallized with potassium sulphate to produce crystalline PAS. Response surface methodology (RSM) (Box-Behnken) technique is used to optimize the leaching conditions to maximize the yield. The studied parameters are temperature (70 –210°C), acid concentration (2– 6 Molar), and Time (60 –120 min). A predicted maximum yield of 97.3062 % was obtained on using 5.3 M acid concentration, 180℃ temperature of reaction and of 92 min for time. The suggested model (quadratic) was found to be highly significant, with R2 (0.9764) and P value < 0.005. The determined maximum yield is tested experimentally through five runs at optimum conditions. The average yield of the five runs is 94.592 % with a standard deviation 0.89, the percentage error did not exceed 2.49 %. Which confirms the validity of the model

DOI

10.21608/ejchem.2024.297748.9874

Keywords

Leaching, RSM, Optimization, crystallization

Authors

View Authors

First Name

Sohair

Last Name

Aly

MiddleName

Taha

Affiliation

Egyptian academy for engineering and advanced technology

Email

sohair@eaeat-academy.edu.eg

El-Obour City

Orcid

Volume

Article Issue

Related Issue

53789

Issue Date

2025-03-01

Receive Date

2024-06-17

Publish Date

2025-03-01

Page Start

465

Page End

477

Print ISSN

0449-2285

Online ISSN

2357-0245

Article File

EJCHEM_Volume 68_Issue 3_Pages 465-477.pdf

PDF . 1.2MB

Link

https://ejchem.journals.ekb.eg/article_369704.html

Detail API

http://journals.ekb.eg?_action=service&article_code=369704

Order

369,704

Type

Original Article

Type Code

297

Publication Type

Journal

Publication Title

Egyptian Journal of Chemistry

Publication Link

https://ejchem.journals.ekb.eg/

MainTitle

Application of Response Surface Methodology (RSM) in Production of Potassium Aluminium Sulphate from Egyptian Kaolin

Details

Type

Article

Created At

15 Feb 2025

Subjects

Tags

Abstract

DOI

Keywords

Authors

First Name

Last Name

MiddleName

Affiliation

Email

City

Orcid

First Name

Last Name

MiddleName

Affiliation

Email

City

Orcid

First Name

Last Name

MiddleName

Affiliation

Email

City

Orcid

First Name

Last Name

MiddleName

Affiliation

Email

City

Orcid

First Name

Last Name

MiddleName

Affiliation

Email

City

Orcid

First Name

Last Name

MiddleName

Affiliation

Email

City

Orcid

First Name

Last Name

MiddleName

Affiliation

Email

City

Orcid

First Name

Last Name

MiddleName

Affiliation

Email

City

Orcid

First Name

Last Name

MiddleName

Affiliation

Email

City

Orcid

First Name

Last Name

MiddleName

Affiliation

Email

City

Orcid

Volume

Article Issue

Related Issue

Issue Date