American Journal of Chemical Engineering

Volume 6, Issue 5, September 2018

  • Analysis of some Physical Parameters under Workers' Optimal Performance in Wet and Hot Tropical Climates; A Literature Review

    Modeste Kameni Nematchoua

    Issue: Volume 6, Issue 5, September 2018
    Pages: 72-85
    Received: 10 September 2018
    Accepted: 19 September 2018
    Published: 13 October 2018
    Abstract: In this decade, in the hot tropical zone, it is observed a rapid variation of the external climate which acts directly on the thermal comfort and the satisfaction of the occupants inside the buildings. The aim of this article is to analysis the influence of some indoor parameters on workers’ performance. In addition, this work reports the results o... Show More
  • Leaching of Germanium from Zinc Residue in H2SO4/SO2 Solutions

    Xuelan Wu, Hongming Long, Xin Li, Yanxu Shen, Yangyang Zhang, Zhipeng Li, Yiming Hu

    Issue: Volume 6, Issue 5, September 2018
    Pages: 86-93
    Received: 12 September 2018
    Accepted: 27 September 2018
    Published: 26 October 2018
    Abstract: Zinc residue with high germanium, a waste solid product of hydrometallurgical zinc process is dumped continuously, causing the loss of germanium. Zinc residue was characterized by chemical analysis, X-ray diffraction, and inductively coupled plasma mass spectrometry methods. The results showed that, the mineralogical compositions of the zinc residu... Show More
  • Modelling and Simulation of Waste Plastic Power Plant: A Theoretical Framework

    Nsidibe-Obong Ekpe Moses, Collins Erhianoh, Christiana Edward Anih

    Issue: Volume 6, Issue 5, September 2018
    Pages: 94-98
    Received: 7 September 2018
    Accepted: 25 September 2018
    Published: 31 October 2018
    Abstract: The high energy content of plastics can be converted to electricity. The recovery of this abundant energy helps to curb environmental concerns associated with plastic utilization. Non-recyclable plastic materials are used in areas like packaging, 3D printing, and construction. Where recycling becomes an issue, technologies that utilize the waste pl... Show More
  • Effect of Process Condition on the Bio-Digestion of Cow Dung for Organic Fertilizer Production

    Udeh Sunday, Ekumankama Ekuma Onu

    Issue: Volume 6, Issue 5, September 2018
    Pages: 99-106
    Received: 18 September 2018
    Accepted: 30 September 2018
    Published: 1 November 2018
    Abstract: Studies were conducted on the biodigestion of cow-dung into organic fertilizer with the aim of determining the effect of process parameters on the quality of the product. The Hydrogen ion index (pH) was varied from 3.5 to 7.0 whereas the microbe: substrate (M/S) ratio was varied from 1.33 to 4.5g/kg and biodigestion time from 3 to 24hrs. The fertil... Show More
  • The Effect of Graphene/TIO2 Nanomaterials on Photocatalytic Performance for Industrial Wastewater Treatment

    Abd El-Aziz Hassanin Konsowa, Yehia Abd El-Qadeer EL-Taweel, Shahinaz Ibrahim Abogaliel

    Issue: Volume 6, Issue 5, September 2018
    Pages: 107-120
    Received: 5 September 2018
    Accepted: 8 October 2018
    Published: 6 November 2018
    Abstract: The aim of the present work is to combine TiO2/Graphene to increase photo-catalytic activity and obtain efficient removal of direct red 23 azo dye without difficult synthesis. Many operating variables which affect the process and some design aspects were studied. Reactor geometry is the main design parameter where slurry rectangular reactor and bub... Show More