Wastewater collection and treatment processes
1. Treatment of small scale gold mining wastewater using pilot-scale sedimentation and Cocopeat filter bed system

J. Samaniego; M.A.N. Tanchuling

Volume 5, Issue 4 , Autumn 2019, , Pages 461-470

http://dx.doi.org/10.22034/GJESM.2019.04.06

Abstract
  The use of amalgamation process to recover gold from mined ores by the small-scale gold miners in the Philippines and other developing countries produces and dispose of untreated wastewater to the receiving water bodies. In this study, a field-scale filter bed system was constructed to treat heavy metal ...  Read More

Environmental science
2. Heavy metals loads in soil, farmlands and plant crop at open dumpsite

O.B. Akintan; J.A. Olusola; A.M. Azeez

Volume 5, Issue 4 , Autumn 2019, , Pages 449-460

http://dx.doi.org/10.22034/GJESM.2019.04.05

Abstract
  This study aimed to evaluate concentrations of selected heavy metals in the soils of Ilokun dumpsite and adjourning farmlands, and to determine as well levels of heavy metals uptake in various parts of Carica papaya plant collected from the dumpsite. Twenty-two soil samples were collected within the ...  Read More

Wastewater collection and treatment processes
3. Synthesized chitosan/ iron oxide nanocomposite and shrimp shell in removal of nickel, cadmium and lead from aqueous solution

M. Keshvardoostchokami; L. Babaei; A.A. Zamani; A.H. Parizanganeh; F. Piri

Volume 3, Issue 3 , Summer 2017, , Pages 267-278

http://dx.doi.org/10.22034/gjesm.2017.03.03.004

Abstract
  In this study, an easy synthesized method for preparation of chitosan/iron oxide nanocomposite as a bio-sorbent has been applied. Analytical techniques such as Fourier transform infrared spectroscopy, X-ray diffraction; Field emission scanning electron microscopy and transmission electron microscopy ...  Read More

Marine and coastal environmental pollution and management
4. Role of estuarine natural flocculation process in removal of Cu, Mn, Ni, Pb and Zn

S. Hassani; A.R. Karbassi; M. Ardestani

Volume 3, Issue 2 , Spring 2017, , Pages 187-196

http://dx.doi.org/10.22034/gjesm.2017.03.02.007

Abstract
  The flocculation of dissolved heavy metals is a process which has an important effect on decreasing the concentration of the colloidal elements during estuarine mixing of river water and sea or ocean water. During this important process, a large amount of colloidal elements change into particles in ...  Read More

Solid waste management
5. Management of toxic and hazardous contents of oil sludge in Siri Island

M. Pazoki; B. Hasanidarabadi

Volume 3, Issue 1 , Winter 2017, , Pages 33-42

http://dx.doi.org/10.22034/gjesm.2017.03.01.004

Abstract
  Sirri Island is one of the most important islands in Iran where contains massive amounts of crude oil reservoirs and is a crude oil exporting and storage spot. Petroleum sludge wastes produced by the refineries are deposited in outdoor 2-ha open pits. 30 sludge samples from different depot locations ...  Read More

Hazardous materials and toxic substances management
6. Potentiality of agricultural adsorbent for the sequestering of metal ions from wastewater

P.C. Emenike; D.O. Omole; B.U. Ngene; I.T. Tenebe

Volume 2, Issue 4 , Autumn 2016, , Pages 411-442

http://dx.doi.org/10.22034/gjesm.2016.02.04.010

Abstract
  The expensive nature of metal ions detoxification from wastewater have restricted the use of conventional treatment technologies. Cheap, alternative measures have been adopted to eliminate metal contamination, and adsorptions using agricultural adsorbents seem to be the way forward. The use of agricultural ...  Read More

Environmental impact assessment
7. Risk assessment of hazardous impacts on urbanization and industrialization activities based upon toxic substances

T. Salem; Sh.S. Ahmed; M. Hamed; G.H. Abd ElAziz

Volume 2, Issue 2 , Spring 2016, , Pages 163-176

http://dx.doi.org/10.7508/gjesm.2016.02.007

Abstract
  A risk assessment study was conducted to predict the expected hazardous influence on the ecosystem resulted from urbanization and industrialization activities at Helwan area, Egypt. To achieve these goals, soils, plants and water samples were collected from Helwan area, and their total concentrations ...  Read More

Environmental chemistry
8. Parthenium hysterophorus: Novel adsorbent for the removal of heavy metals and dyes

S.A. Bapat; D.K. Jaspal

Volume 2, Issue 2 , Spring 2016, , Pages 135-144

http://dx.doi.org/10.7508/gjesm.2016.02.004

Abstract
  Heavy metals and dyes are major contributors in contamination of water streams. These contaminants enter into our eco- system, thus posing a significant threat to public health, ecological equilibrium and environment. Thus a combined discharge of these contaminants results in water pollution with high ...  Read More

Soil pollution and remediation
9. Origin and spatial distribution of metals in agricultural soils

Gh. A. Mohammadpour; A.R. Karbassi; A. Baghvand

Volume 2, Issue 2 , Spring 2016, , Pages 145-156

http://dx.doi.org/10.7508/gjesm.2016.02.005

Abstract
  Presence of toxic metals in agricultural soils can impose adverse health impact on consumers. The main purpose of this study was to determine spatial distribution of elements Fe, Sb, Mn in agriculture soils and crops of Hamedan Province in Iran. Soil samples (0-20 cm depth) were collected from an ...  Read More

10. An investigation on heavy metals in soils around oil field area

A.R. Karbassi; S. Tajziehchi; S. Afshar

Volume 1, Issue 4 , Autumn 2015, , Pages 275-282

http://dx.doi.org/10.7508/gjesm.2015.04.002

Abstract
  Oil and pollutants resulting from its extraction and exploitation are considered as one of the serious problems for human health. Vast oil fields of Ahvaz City located in southern Iran are known as one of controversial subjects in contamination with heavy metals. In this study, oil fields' soils of Ahvaz ...  Read More