Muhammad Yusuf Prajitno

Profile

Seven years experience as a chemical and nuclear engineer, research carried out on radiation protection in environment and waste management areas. Whilst got some skills such as teaching undergraduate courses and working as a demonstrator. Gained industrial experience by undertaking a year’s placement as a Wire Bond process engineer, gaining many skills such as maintaining and improving processes, and handling FMEA and SPC.  Currently studying towards a PhD in chemical engineering, the main research topic includes, removal of cesium and strontium using natural clinoptilolite zeolite materials.

Academic background:

• 2021: PhD, School of Chemical and Process Engineering, University of Leeds, Leeds, United Kingdom
  Prajitno, MY. (2021). Enhancing natural clinoptilolite for cesium and strontium removal, using activation, flotation and process intensification. Leeds: University of Leeds
• 2014: Master of Science, Nuclear Engineering, King Abdulaziz University (KAU), Jeddah, Kingdom of Saudi Arabia
  Yusuf, M. (2014). The Use of Optically Stimulated Luminescence (OSL) in InVivo Computed Tomography (CT) Dosimetry. Jeddah: King Abdulaziz University.
• 2010: Bachelor of Engineering, Nuclear Engineering, Universitas Gadjah Mada (UGM), Yogyakarta, Indonesia
  Yusuf, M. (2010). Influence of Waste pH Variance in Radioactive Waste Cementation in Saline Environment. Yogyakarta: Universitas Gadjah Mada.

Employment History:

• Aug. 2010 - Aug. 2011: Process Engineer Wire Bond Semiconductor. Unisem (M) Berhad, Batam, Indonesia.
  Clients: Melexis, Lynxemi, Elmos, Integrated Device Technology (IDT)
  Responsible for reviewing and creating client’s technical specifications, maintain and improving process, and handling Failure Mode and Effects Analysis (FMEA) and Statistical Process Control (SPC) 
• Jan. 2008 - Feb. 2008: Internship. National Gas Company (PGN Persero Tbk), Pasuruan, Indonesia.
  Studied and performed Non-destructive Inspection on the gas pipe using Eddy current and Ultrasonic test

Research Experience:

• Kinetic studies of cesium and strontium removal with natural clinoptilolite in static columns and an agitated tubular reactor (ATR)
  2018 – 2020
  School of Chemical and Process Engineering, University of Leeds, Leeds
  Conduct research on relatively low-grade natural clinoptilolite in static elution column studies, to compare performance to the described batch tests, where process intensification was also performed using a novel agitated tubular reactor (ATR).
• The effect of cationic surfactants on improving natural clinoptilolite for the flotation of cesium
  2017 – 2019
  School of Chemical and Process Engineering, University of Leeds, Leeds
  Investigate research as a rapid separation technique to de-water fine, powdered clinoptilolite ion exchange resins by utilising cationic surfactant collectors, for the decontamination of radioactive cesium ions from nuclear waste effluent streams.
• The effect of pre-activation and milling on improving natural clinoptilolite for ion exchange of cesium and strontium
  2016 – 2018
  School of Chemical and Process Engineering, University of Leeds, Leeds
  Conduct research on relatively low-grade natural clinoptilolite for its capability to remove cesium and strontium ions from water and simulated seawater, by using a batch adsorption technique.
• Invivo CT dosimetry using OSL dosimeter
  2014
  King Abdulaziz University collaborated with Princess Norah Oncology Center (PNOC), National Guard Health Affairs (NGHA), Jeddah
  Conduct research by measuring CT absorbed dose into several organs using OSL. The random phantom was used in order to replace the real human body.
• Quality Assurance in Mammography screening using OSL at various hospitals
  2013 – 2014
  King Abdulaziz University collaborated with various hospitals in Mecca Province
  Conduct research by measuring the Average Glandular Dose (AGD) obtained by OSL, HVL measurement, and calibration set-up using OSL. measurement in mammography screening
• Characterization OSL for Mammography Screening
  2013
  King Abdulaziz University collaborated with King Abdulaziz University Hospital (KAUH), Jeddah
  Conduct research by characterizing OSL performance and behaviour before can be applied for dose measurement in mammography screening.
• Characterization OSL for CT dosimetry
  2012 – 2013
  King Abdulaziz University collaborated with Princess Norah Oncology Center (PNOC), National Guard Health Affairs (NGHA), Jeddah
  Conduct research by characterizing OSL performance and behaviour before can be applied for CT dosimetry measurement.

Field of Interest:

• Decommissioning Treatment and Management
• Ion Exchange Process
• Carbon Capture Storage and Utilities
• Non Destructive Testing
• Radiation Protection and Effects on Materials

Research interests

Muhammad's research is focusing on the optimization of cesium and strontium removal in salinity using clinoptilolite zeolite.  He aims to use clinoptilolite to remove the cesium and strontium from liquid waste effluent. 

Research groups and institutes

• Nuclear Engineering
• Nuclear Leeds