Retraction Note: Optimization of dyes and toxic metals removal from environmental water samples by clinoptilolite zeolite using response surface methodology approach

Affiliations

• ¹ College of Civil Engineering, Sichuan University of Science and Engineering, Zigong, 643000, China. xinpohd@163.com.
• ² Medical Technical College, Al-Farahidi University, Baghdad, Iraq.
• ³ Department of Environmental Engineering, School of Environment, College of Engineering, University of Tehran, Tehran, Iran. Milad.Ghoroqi@ut.ac.ir.
• ⁴ National Institute of Technology (NIT) Durgapur, Durgapur, West Bengal, India.
• ⁵ Faculty of Engineering, Udayana University, Bali, 80361, Indonesia.
• ⁶ Economic Security Department, Tashkent State University of Economics, Tashkent, Uzbekistan.
• ⁷ Medical Instrumentation Techniques Engineering Department, Al-Mustaqbal University College, Babylon, Iraq.