Journal of Chemical, Environmental and Biological Engineering


Volume 4, Issue 2, December 2020

  • Effect of Hydrocarbon Contamination on the Microbial Diversity of Freshwater Sediments Within Akwa Ibom State, Nigeria

    Mfoniso Uko, Ime Udotong, Utibe Ofon, Senyene Umana, Nsikak Abraham

    Issue: Volume 4, Issue 2, December 2020
    Pages: 32-38
    Received: 15 January 2020
    Accepted: 4 February 2020
    Published: 8 June 2020
    Abstract: A microbial composition study of sediments of contaminated (CWS) and uncontaminated (UWS) lentic ecosystems within Akwa Ibom State was carried out by analyzing the small-subunit rRNA genes to determine the effect of hydrocarbon contamination on its microbial composition and diversity. Analysis of the V4 region of the community DNA from both sedimen... Show More
  • Synthesis, Characterization and Reactivity of Nitrosyl Ruthenium Complexes with the Non-stereoidal Anti-inflammatory Diflunisal

    Ernani Lacerda de Oliveira Neto, Juliana Guerreiro Cezar, Fabio Gorzoni Doro, Jose Roque Mota Carvalho, Kleber Queiroz Ferreira

    Issue: Volume 4, Issue 2, December 2020
    Pages: 39-46
    Received: 29 August 2019
    Accepted: 2 September 2019
    Published: 9 June 2020
    Abstract: The Na2[Ru(NO)Cl3 (df)] (I) and cis-[Ru(NO)(df)(cyclen)]Cl2 (II) complexes (df=diflunisal (5-(2,4-difluorophenyl)-2-hydroxybenzoic acid, cyclen=1, 4, 7, 10-tetraazacyclododecane) have been synthesized and characterized by elemental analysis, electronic (UV-Vis) and vibrational (FTIR) spectroscopic techniques. FTIR data suggests different modes of c... Show More
  • Attaining High Standards of Safety and Health Through Sustainable Development of Dimensional Limestone (Kotah Stone): A Success Story

    Er Satish Chand Agarwal Fie

    Issue: Volume 4, Issue 2, December 2020
    Pages: 47-52
    Received: 2 January 2020
    Accepted: 4 June 2020
    Published: 16 June 2020
    Abstract: The State of Rajasthan has been gifted with unique mineral reserves of dimensional limestone widely known as Kotah Stone spreading over an area of over 55 sq km. The conventional manual mining of Kotah Stone, has been going on since 1945 but all manual. It has not only degraded the environment severally but also proved to be unsafe. Major part of h... Show More
  • The Design of Shell-and-tube Heat Exchanger in the Project of the Coal Bed Methane Electrical Power Generation

    Lan Xiangyun

    Issue: Volume 4, Issue 2, December 2020
    Pages: 53-59
    Received: 24 April 2020
    Accepted: 18 May 2020
    Published: 23 July 2020
    Abstract: Coal-bed-methane (CBD) electrical power generation is an active and effective measure to reduce emissions of greenhouse gases. Using shell-and-tube heat exchangers to reduce the water content of pipeline gas can improve the efficiency of the generator set. Designing heat exchanger by ASPEN EDR software can save a lot of manual calculation process, ... Show More
  • Decontamination of Toxic Volatile Organic Compounds in Charcoal Processed from Erythrophleum guineense (Sassy Wood)

    John Stephen Gushit, Ester Habila

    Issue: Volume 4, Issue 2, December 2020
    Pages: 60-65
    Received: 30 June 2020
    Accepted: 17 July 2020
    Published: 4 August 2020
    Abstract: The work aimed at decontaminating potentially toxic compounds found in the charcoal sample, started with collecting the sample of charcoal processed from Erythrophleum guineense (Sassy wood) established in an earlier work to be emitting toxic compounds. The sample was subjected to combustion in a chamber and the volatiles organic compounds (VOCs), ... Show More