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

Hazardous materials and toxic substances management
2. 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 bioremediation and measurement
3. Adsorption of iron by using hybrid Akar Putra and commercialized chicken eggshells as bio-sorbents from aqueous solution

H.M. Nasir; A. Azmi; A.Z. Aris; S.M. Praveena

Volume 2, Issue 3 , Summer 2016, , Pages 257-264

http://dx.doi.org/10.7508/gjesm.2016.03.005

Abstract
  Heavy metal contamination in the environment could cause harmful effects both to human health and aquatic life. Numerous remediation methods had been developed to encounter with the contamination problem prior to degrade, decrease and to purify the contaminated water at minimal concentration as low as ...  Read More

Environmental chemistry
4. 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

Environmental chemistry
5. Column operation studies for the removal of dyes and phenols using a low cost adsorbent

V. K. Gupta; Suhas; I. Tyagi; S. Agarwal; R. Singh; M. Chaudhary; A. Harit; S. Kushwaha

Volume 2, Issue 1 , Winter 2016, , Pages 1-10

http://dx.doi.org/10.7508/gjesm.2016.01.001

Abstract
  Fertilizer plant waste carbon slurry has been investigated after some processing as an adsorbent for the removal of dyes and phenols using columns. The results show that the carbonaceous adsorbent prepared from carbon slurry being porous and having appreciable surface area (380 m2/g) can remove dyes ...  Read More

Environmental chemistry
6. Equilibrium and kinetic study for the adsorption of p-nitrophenol from wastewater using olive cake based activated carbon

N.T. Abdel-Ghani; E.S.A. Rawash; G.A. El-Chaghaby

Volume 2, Issue 1 , Winter 2016, , Pages 11-18

http://dx.doi.org/10.7508/gjesm.2016.01.002

Abstract
  The present work was carried out to evaluate the removal of p-nitrophenol by adsorption onto olive cake based activated carbon having a BET surface area of 672 m²/g. The batch adsorption experimental results indicated that the equilibrium time for nitrophenol adsorption by olive cake-based activated ...  Read More

7. Hexavalent chromium removal in a tannery industry wastewater using rice husk silica

D. Sivakumar

Volume 1, Issue 1 , Winter 2015, , Pages 27-40

http://dx.doi.org/10.7508/gjesm.2015.01.003

Abstract
  Present study dealt the removal of Cr(VI) in a tannery industry wastewater using rice husk silica powder as an adsorbent.The experimental investigations have been carried out by using rice husk silica powder for different adsorption dosage, different contact time and different pH against the initial ...  Read More