ORIGINAL RESEARCH PAPER Environmental biology and biotechnology
1. A new kinetic model for biogas production from co-digestion by batch mode

D. Pham Van; M.G. Hoang; S.T. Pham Phu; T. Fujiwara

Volume 4, Issue 3 , Summer 2018, Pages 251-262

http://dx.doi.org/10.22034/GJESM.2018.03.001

Abstract
  Coming out from the growth kinetics, the Gompertz model has been developed and considered as the best one for simulating the biogas production from anaerobic digestion. However, the model has failed to describe the starting point of the process, and no-sense of lag phase constant has been pointed out. ...  Read More

ORIGINAL RESEARCH PAPER Environmental modeling
2. Performance comparison of land change modeling techniques for land use projection of arid watersheds

S.M. Tajbakhsh; H. Memarian; K. Moradi; A.H. Aghakhani Afshar

Volume 4, Issue 3 , Summer 2018, Pages 263-280

http://dx.doi.org/10.22034/GJESM.2018.03.002

Abstract
  The change of land use/land cover has been known as an imperative force in environmental alteration, especially in arid and semi-arid areas. This research was mainly aimed to assess the validity of two major types of land change modeling techniques via a three dimensional approach in Birjand urban watershed ...  Read More

ORIGINAL RESEARCH PAPER Environmental risk assessment and management
3. An occupational risk assessment approach for construction and operation period of wind turbines

M. Gul; A.F. Guneri; M. Baskan

Volume 4, Issue 3 , Summer 2018, Pages 281-298

http://dx.doi.org/10.22034/GJESM.2018.03.003

Abstract
  As wind energy is one of the most important renewable energy sources over the globe, need for increasing safety for this type of energy is gaining importance. Although this sector is not suffering an excessive amount of fatal injury accidents, there are many aspects open for improvements in occupational ...  Read More

ORIGINAL RESEARCH PAPER Climate change and global warming
4. Response of conifers to UV-B and climate in mountain areas

S.L. Bondarenko; D.A. Savchuk

Volume 4, Issue 3 , Summer 2018, Pages 299-314

http://dx.doi.org/10.22034/GJESM.2018.03.004

Abstract
  The present study was focused to examine the combined effects of climate and ultraviolet-B radiation on conifer tree-ring density. Statistical methods were employed to extract tree responses in annual ring density and to identify functional relationship in trees when the level of ultraviolet-B radiation ...  Read More

ORIGINAL RESEARCH PAPER Environmental biology and biotechnology
5. Optimal conditions for the biological removal of ammonia from wastewater of a petrochemical plant using the response surface methodology

M. Samimi; M. Shahriari Moghadam

Volume 4, Issue 3 , Summer 2018, Pages 315-324

http://dx.doi.org/10.22034/GJESM.2018.03.005

Abstract
  High concentrations of nitrogen compounds, such as ammonia observed in the petrochemical industry, are the major environmental pollutants. Therefore, effective and inexpensive methods are needed for its treatment. Biological treatment of various pollutants is a low cost and biocompatible replacement ...  Read More

ORIGINAL RESEARCH PAPER Wastewater collection and treatment processes
6. Nickel removal from electroplating industry wastewater: A bamboo activated carbon

D. Sivakumar; J. Nouri; T.M. Modhini; K. Deepalakshmi

Volume 4, Issue 3 , Summer 2018, Pages 325-338

http://dx.doi.org/10.22034/GJESM.2018.03.006

Abstract
  Water is prime requirement for surviving of any living beings.  The existence of surface water and groundwater sources are used for domestic, agriculture and industrial purposes in all over the world. Fresh water from both the water sources is highly contaminated in recent years because of rapid ...  Read More

CASE STUDY Environmental management
7. An integrated environmental management approach to industrial site selection by genetic algorithm and fuzzy analytic hierarchy process in geographical information system

M. Ahmadipari; H. Hoveidi; H.R. Jafari; M. Pazoki

Volume 4, Issue 3 , Summer 2018, Pages 339-350

http://dx.doi.org/10.22034/GJESM.2018.03.007

Abstract
  Environmental planning and management can have positive effects on development of some land uses including industrial areas that have a major effect on economic, social and environmental conditions. Considering the most important problems associated with modeling, the fundamental methods and functions ...  Read More

CASE STUDY Air pollution control and management
8. Atmospheric dispersion model to predict the impact of gaseous pollutant in an industrial and mining cluster

D.S. Kumar; S.H. Bhushan; D.A. Kishore

Volume 4, Issue 3 , Summer 2018, Pages 351-358

http://dx.doi.org/10.22034/GJESM.2018.03.008

Abstract
  Dispersion modeling approach was applied for the determination of SO2 and NO2 pollution in the ambient air. The model performance has been evaluated by comparing the measured and predicted concentrations of SO2 and NO2. This has been tested to measure the air quality and predicted incremental value of ...  Read More

CASE STUDY Environmental modeling
9. Modeling of carbon monoxide dispersion around the urban tunnel portals

M. Rafiei; P.J. Sturm

Volume 4, Issue 3 , Summer 2018, Pages 359-372

http://dx.doi.org/10.22034/GJESM.2018.03.009

Abstract
  The aim of this study is to investigate the problems caused by discharge of polluted air from tunnels into the environment with a specific focus on residential areas. In city tunnels, portal or stacks, pollutant management is a big challenge. Nowadays, air quality management, particularly in urban tunnels, ...  Read More

REVIEW PAPER Environmental microbiology
10. A delve into the exploration of potential bacterial extremophiles used for metal recovery

A.S. Deshpande; R. Kumari; A. Prem Rajan

Volume 4, Issue 3 , Summer 2018, Pages 373-386

http://dx.doi.org/10.22034/GJESM.2018.03.010

Abstract
  A multitude of microbes are involved in the solubilisation of minerals and metals as this approach offers numerous advantages over traditional methods. This strategy is preferred as it is eco-friendly and economical, thus overcoming the drawbacks of the traditional approach of pyrometallurgy. Many different ...  Read More