Chemical Engineering: Recent submissions

  • Simulation and Optimization of Carbonating Tower for Better Yield and Efficiency 
    Rahman; Khan; Osama, Mohib ur;Hamza;Ahmed (SCME,NUST, 2017)
    Currently, the production of Soda Ash at ICI Ltd is 1000 tons per day, and the thermal efficiency of the carbonating tower is nearly 70%. This project aims at increasing the yield of sodium bicarbonate from the carbonating ...
  • Modelling, and Optimization of Plate Type Heat Exchanger through Scaling Reduction 
    Ahmad; Raza; Ahmed, Awais;Muhammad Arslan;Nisar (SCME,NUST, 2017-05)
    Fouling in process equipment has been regarded as one of the major issues in any industry because it leads to massive loss of time, energy in the form of heat in heat transfer equipment and efficiency of the unit. Heat ...
  • Develop Treatment Process For Reuse Of Effluent Water From Waste Water Treatment Plant As Cooling Water Make Up 
    Mujeeb; Khattak; Murtaza, Talha;Maaz;Bilal (SCME,NUST, 2016)
    Cooling water happens to be an important commodity when considering the operation of any manufacturing plant, be it an oil refinery or a fertilizer production plant. The project that was assigned to us by Pakistan Refinery ...
  • Incorporation of Adiabatic Pre-reformer at FFC Ammonia-II 
    Aqib; Abdullah; Jamal, Muhammad;Muhammad;Muhammad (SCME,NUST, 2016)
    In this project a solution to a problem at FFC-Ammonia-2 plant has been proposed. The plant is currently being operated at 20% overcapacity, due to which firing in primary reformer has been increased and this has led to ...
  • Recovery of Ammonia and Hydrogen from Purge Gas of Ammonia Synthesis Loop of FFC 
    Mumtaz:MEhtisham: Khan, Zarqoon:Muhammad :,Usman Al (SCME,NUST, 2016-06)
    In the past few years, air pollution has become one of the major threats to the environment and it is harmful for every living being on the planet. The emission of harmful waste gases from the industries pose a major threat ...
  • Designing of Feed Gas Saturator to reduce steam import demand for Reforming 
    ABDULLAH, BILAL ,QASIM ALI (SCME,NUST, 2018)
    Natural gas along with steam is required in steam reforming section of ammonia production process in a volumetric ratio of 3 to 1. Steam is currently produced by steam raising fired boilers which require demineralized ...
  • Economic Recovery of Low Value Stack Heat using Organic and Rankine Cycle Technology 
    Bilal, Moeez; Irfan, Zunaira; Kirmani, Mayedah (SCME,NUST, 2018)
    Demand of energy is increasing day by day while the resources used to generate this energy are limited. A major portion of the energy produced in the world is used by industrial sector. Major portion of this energy is lost ...
  • Recovery of Free Ammonia from Dirty Cooling Water at Effluent Treatment Plant 
    Fatima, Urooj; Athar, M. Obaid; Akram, Asad (SCME,NUST, 2018)
    Ammonia is a highly irritating gas which is corrosive in nature and causes perilous effects both on environment and human health if its amount increases the safe limit. Upon contact with humans by either inhalation or ...
  • Recovery of Nutrients from Drain Channel of CAN and NP Plants 
    Rehan, Qazi; Ahmad, Shirjeel; Nabi, Ali Shujaat (SCME,NUST, 2018)
    This project is aimed at recovering the nutrients, namely nitrates and phosphates, that are being lost in the drain channels of the calcium ammonium nitrate (CAN) and nitrophosphate (NP) plants at Pak-Arab Fertilizers, ...
  • Gas Turbine/HRSG Co-generation Cycle Performance Evaluation and Enhancement 
    Sheikh, Ehsan-ul-Haq; Zahid, Mashal; Khalid, Bilal (SCME,NUST, 2018)
    The project has two major units in it, namely ‘Gas Turbine’ & ‘HRSG’. The former utilizes natural gas, post combustion as is fuel, which in turn rotates generator having a capacity of 9MW, whereas the latter employs the ...
  • Increasing Gas Turbine Efficiency by Inlet Air Chilling 
    Toor, Rehan Aamir; Khalid, M. Usman; Abbas, Asad (SCME,NUST, 2018)
    Gas turbine power plants are widely used for power generation in the world; they are low cost, quick to install and engender stability with regard to electricity grid variations. They are nevertheless negatively impacted ...
  • Optimization in Steam Production from Waste Heat Recovery Boiler 
    Javed Malik, Mariam; Mujtaba, Hassan; Ahmed, Sohaib (SCME,NUST, 2018)
    Our project aims to optimize steam production from Waste Heat Recovery Boiler (WHRB) by installing a condensing economizer to ensure energy recovery and cost savings. Condensing Economizer helps to reduce the stack temperature ...
  • Waste Water Recycling 
    Kumar, Akash; Akhtar, Shahzeen; Hafiz M., Usama Saleem (SCME,NUST, 2018)
    The waste water from the Engro Foods Ltd. plant contains significantly high levels of TDS, BOD, COD and FOG which makes the water unsuitable for reuse. The presence of BOD and COD consumes the dissolved oxygen available ...
  • Heat Integration using Pinch Analysis of Ammonia Plant 
    Khalid, Maqbool; Naveed, Sumiah; Mohammad, Talal (SCME,NUST, 2018)
    Around 80% of ammonia produced is being used for the manufacturing of urea-based fertilizers, however its production requires extensive amount of energy. Retrofitting of an existing ammonia plant for improving energy ...
  • Enhancing the Efficiency of Cooling Tower 
    Muhammad, Usman; Muhammad, Hamza Ashraf; Bin Zahid, Usama (SCME,NUST, 2018)
    ICI Soda Ash began its commercial production in 1944. Through various expansion projects plant’s original capacity of 18,000 tons/year has increased to 350,000 tons/year and by the end of 2018 it is expected to become a ...
  • Auxiliary Boiler Performance Evaluation and Enhancement 
    Khalid Butt, Ruhma; Ijaz, Harris; Mukhtar, Amna (SCME,NUST, 2018)
    Boilers are very important components in the industries. Usually, a fluid such as water is used to generate high pressure steam for the heating purposes. In a fertilizer plant, there is a large requirement of this ...
  • Production of Biodiesel from Algae 
    Zulfiqar, Ahmed; Azhar, Mufaddal; Karimjee, Sehr (SCME,NUST, 2015)
    Biodiesel is a diesel fuel derived from animal or plant lipids (oils and fats). With the need to reduce carbon emissions, and the dwindling reserves of crude oil, liquid fuels derived from plant material – biofuels – are ...
  • Oxidation of Methanol using different oxidizing agents for the synthesis of Formic Acid, and its reactor design 
    Hasan, Daniyal (SCME,NUST, 2013)
    Formic acid is the simplest, single carbon atom, carboxylic acid. It is widely used in textile industry and leather tanning industry, for its characteristics of giving best finishing of the dye. Due to the low indigenous ...
  • Influence of Carboxylic Acids on Mechanical Properties of Thermoplastic Starch by Spray Drying 
    Khan, Bahram (SCME,NUST, 2015-12)
    The influence of carboxylic acids on the mechanical properties of TPS produced by spray drying have been investigated. Both malic acid and citric acid (polycarboxylic acids) were used as plasticizer. Starch was spray-dried ...
  • Antimicrobial Activity of Piper Nigrum and Cinnamomum Verum in PVA-Starch Hydrogel Matrix Membrane 
    Iqbal, Hafsa (SCME,NUST, 2017-02)
    A series of preeminent poly vinyl alcohol (PVA)/starch hydrogel membranes was prepared with varying contents (0, 0.3, 0.5, 0.7, 1, 1.5g) of piper nigrum and cinnamomum verum by solution casting method. The comparison was ...

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