scholarly journals Application of Phycoremediation Using Microalgae Scenedesmus sp. as Wastewater Treatment in Removal of Heavy Metals from Food Stall Wastewater

2015 ◽  
Vol 773-774 ◽  
pp. 1168-1172 ◽  
Author(s):  
Nur Atikah Ahmad Latiffi ◽  
Radin Maya Saphira Radin Mohamed ◽  
Najeeha Mohd Apandi ◽  
Amir Hashim Mohd Kassim
Keyword(s):  
Heavy Metals ◽  
Wastewater Treatment ◽  
Organic Pollutants ◽  
Batch Reactor ◽  
Sampling Time ◽  
Peak Time ◽  
Optimum Time ◽  
Pollutant Load ◽  
Removal Of Heavy Metals ◽  
Concentration Cells

This paper represents the results of using phycoremediation technology in treating the wastewater produced from food stall activity by using microalgae of Scenedesmus sp. in removal of heavy metals. Phycoremediation has advantages over physic-chemical approaches as it is can completely degrade organic pollutants without destroy the surrounding flora and fauna. Aim of this study is to determine the effectiveness of microalgae Scenedesmussp to assimilate the pollutant load based on the optimum time and concentration. Characteristics of food stall wastewater need to be identified and analyse before phycoremediation process taken place. The wastewater sampling was collected at food stall during peak time i.e. at 8 a.m. and 4 p.m. Microalgae Scenedesmus sp. to be injected to the batch reactor based on five (5) different concentration cells. The results shows that the optimum removal of heavy metals are dominant by concentration no. 1 (C1) compare to other concentration in the treatment i.e. removal of Ferum by 88.22% and 69.63%, Copper by 60% and 53.85% at both sampling time while removal of zinc is dominant by concentration no.4 (C4) by 75.61% and 76.63% respectively.

Sequential removal of heavy metals ions and organic pollutants using an algal-bacterial consortium

Chemosphere ◽  
2006 ◽  
Vol 63 (6) ◽  
pp. 903-911 ◽  
Author(s):  
Raul Muñoz ◽  
Maria Teresa Alvarez ◽  
Adriana Muñoz ◽  
Enrique Terrazas ◽  
Benoit Guieysse ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Organic Pollutants ◽  
Bacterial Consortium ◽  
Removal Of Heavy Metals ◽  
Heavy Metals Ions

Wastewater Treatment in Removal of Heavy Metals

2019 ◽  
pp. 220-240
Author(s):  
Tehseen Yaseen ◽  
Anum Yaseen
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Wastewater Treatment ◽  
Metal Removal ◽  
Heavy Metal Removal ◽  
New Process ◽  
Removal Of Heavy Metals ◽  
Treatment Technologies ◽  
Growing Economy ◽  
Nano Science

Nanotechnology is the area of nano science that shows great potential to establish a new process for wastewater treatment. It has been applied on a nanometer scale level. Currently, limited water resources and real treatment of wastewater is a chief requirement for the growing economy. It is in great demand to introduce the progressive wastewater treatment technologies. Therefore, the modern innovative processes in nanomaterial sciences have been appealing the target of scientists. The chapter addresses the developments in nanotechnology with respect to wastewater treatment, especially the removal of heavy metals and to the environmental applications. It will discuss the application of different classes of nanomaterials for wastewater treatment in removal of heavy metals and its possible effects to the environment. Therefore, the scope is to offer an overview of how nanomaterials are causing concerns related to heavy metal removal for water and in the surrounding environment.

Removal of heavy metals and organic pollutants by a sand rich in iron oxide

2018 ◽  
Vol 3 (1) ◽  
Author(s):  
Rachid El Haouti ◽  
Zakaria Anfar ◽  
Said Et-Taleb ◽  
Mohamed Benafqir ◽  
Saaida Lhanafi ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Iron Oxide ◽  
Organic Pollutants ◽  
Removal Of Heavy Metals

scholarly journals Pressure-Driven Membrane Process: A Review of Advanced Technique for Heavy Metals Remediation

Processes ◽  
2021 ◽  
Vol 9 (5) ◽  
pp. 752
Author(s):  
Bharti Verma ◽  
Chandrajit Balomajumder ◽  
Manigandan Sabapathy ◽  
Sarang P. Gumfekar
Keyword(s):  
Heavy Metals ◽  
Wastewater Treatment ◽  
Applied Pressure ◽  
Membrane System ◽  
Porous Membrane ◽  
Advanced Technique ◽  
Removal Of Heavy Metals ◽  
Ultra Filtration ◽  
Innovative Techniques ◽  
Pressure Driven

Pressure-driven processes have come a long way since they were introduced. These processes, namely Ultra-Filtration (UF), Nano-Filtration (NF), and Reverse-Osmosis (RO), aim to enhance the efficiency of wastewater treatment, thereby aiming at a cleaner production. Membranes may be polymeric, ceramic, metallic, or organo-mineral, and the filtration techniques differ in pore size from dense to porous membrane. The applied pressure varies according to the method used. These are being utilized in many exciting applications in, for example, the food industry, the pharmaceutical industry, and wastewater treatment. This paper attempts to comprehensively review the principle behind the different pressure-driven membrane technologies and their use in the removal of heavy metals from wastewater. The transport mechanism has been elaborated, which helps in the predictive modeling of the membrane system. Fouling of the membrane is perhaps the only barrier to the emergence of membrane technology and its full acceptance. However, with the use of innovative techniques of fabrication, this can be overcome. This review is concluded with perspective recommendations that can be incorporated by researchers worldwide as a new problem statement for their work.

Preparation of Nanometer Titanium Dioxide Adsorbent and its Application in Industrial Wastewater Treatment

2012 ◽  
Vol 573-574 ◽  
pp. 521-525
Author(s):  
Nan Zhang ◽  
Pu Liu ◽  
Ben Quan Fu ◽  
Li Na Wang
Keyword(s):  
Heavy Metals ◽  
Titanium Dioxide ◽  
Wastewater Treatment ◽  
Hydrochloric Acid ◽  
Surface Area ◽  
Industrial Wastewater ◽  
Operating Conditions ◽  
Adsorption Condition ◽  
Removal Of Heavy Metals ◽  
Nanometer Titanium Dioxide

In this paper, nanometer titanium dioxide was synthesized by a simple reaction. The prepared adsorbent was characterized by surface area and porosimetry analyzer and it was used for the removal of heave metals in industrial wastewater. The main parameters affecting the adsorption of heavy metals including pH, adsorption condition and elution condition have been investigated in detail. Under the optimized operating conditions, most of the target heavy metals could be fast removed. The adsorbent could be simply regenerated by hydrochloric acid. Thus, the prepared nanometer titanium dioxide was an adsorbent which is suitable for the removal of heavy metals in industrial wastewater.

Comparison of bioleaching and electrokinetic remediation processes for removal of heavy metals from wastewater treatment sludge

Chemosphere ◽  
2017 ◽  
Vol 168 ◽  
pp. 1152-1157 ◽  
Author(s):  
Ying Xu ◽  
Chaosheng Zhang ◽  
Meihua Zhao ◽  
Hongwei Rong ◽  
Kefang Zhang ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Wastewater Treatment ◽  
Electrokinetic Remediation ◽  
Removal Of Heavy Metals

scholarly journals Phytoremediation potential of Typha latifolia and water hyacinth for removal of heavy metals from industrial wastewater

2021 ◽  
Author(s):  
CI Chemistry International
Keyword(s):  
Heavy Metals ◽  
Electrical Conductivity ◽  
Wastewater Treatment ◽  
Comparative Study ◽  
Water Hyacinth ◽  
Industrial Wastewater ◽  
Typha Latifolia ◽  
Experimental Period ◽  
Removal Of Heavy Metals ◽  
Percentage Removal

This study demonstrates the phytoremediation prospective of Typha latifolia (TL) and water Hyacinth (WH) in industrial wastewater treatment. A comparative study was done to evaluate the percentage removal of turbidity (Tu), electrical conductivity (EC), color (Col), iron (Fe), copper (Cu) and zinc (Zn) from industrial wastewater by using Typha latifolia and water Hyacinth with respect to uptake time and with different concentrations of industrial wastewater. The experimental results showed that Typha latifolia has performed extremely well in removing the 90.03% Tu, 82.31% EC, 95.98% Col, 92.01% Fe, 87.78% Cu and 75.81% Zn from 20% industrial wastewater during 16 days of experimental period. Results also showed that the maximum percentage removal of selected heavy metals by Typha latifolia follow the order Fe > Cu > Zn from 20 % industrial wastewater at 16-day experiment. Water Hyacinth showed best result for removing 64.15% Tu, 62.19% EC, 50.29% Col, 54.15% Fe and 70.17% Cu from 15% industrial wastewater during 12 days experiment but it has performed extremely well in removing the 85.97% Zn from 20% industrial wastewater after 16 days of experimental period.

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