scholarly journals Sustainable Sorbent Materials Obtained from Orange Peel as an Alternative for Water Treatment

2018 ◽  
Author(s):  
Irma Robles Gutierrez ◽  
Ana K. Tovar ◽  
Luis A. Godínez
Keyword(s):  
Water Treatment ◽  
Orange Peel ◽  
Sorbent Materials

Characterization and Evaluation of Sorbent Materials Obtained from Orange Peel as an Alternative of Sustainable Materials for Water Treatment

2017 ◽  
Vol 15 (5) ◽  
Author(s):  
Ana Karen Tovar ◽  
María José Arano ◽  
Obed Domínguez ◽  
Irma Robles
Keyword(s):  
Methyl Orange ◽  
Physicochemical Characterization ◽  
Orange Peel ◽  
Good Alternative ◽  
Sorption Process ◽  
Activation Process ◽  
Order Kinetic ◽  
Sorption Equilibrium ◽  
Sorbent Material ◽  
Sorbent Materials

Abstract Sorbent orange peel based materials activated using NaOH and H3PO4 were prepared and evaluated in order to compare sorbent efficiency, and related to their physicochemical properties. Results of physicochemical characterization demonstrated there are significant changes on surface that promotes an adsorption behavior depending on the activation method. FTIR analysis shows decreasing signal of water at 3422 cm−1 of water, hemicellulose and pectin due to activation process, another decreasing signal is observed at at 1626 cm−1 for CC bond, while an increasing pick is observed at 1435 cm−1 which corresponds to methoxyl groups belonging to cellulosic compounds. Analysis of sorption equilibrium indicated 78 % of methyl orange sorption in orange dry peel (OP) which was sorbed after 5 hour, compared to 84 % and 98 % using 0.1 M activated sorbent material 2(AM2) and 0.6 M activated sorbent material 3 (AM3) H3PO4 respectively, this process was carried out during the first 90 min of sorption process. NaOH activated sorbent material 1 (AM1) promoted 20 % to 65 % sorption. orange dry peel (OP), activated sorbent material 2 (AM2) and activated sorbent material 3 (AM3) obeyed a pseudo-second order kinetic model, while activated sorbent material 1 (AM1) obeys a pseudo-first order model. Sorption equilibrium of methyl orange resulted as follows, orange dry peel (OP) followed a Freundlich equilibrium model, activated sorbent material 1 (AM1) a Langmuir model, while activated sorbent material 2 (AM2) and activated sorbent material 3 (AM3) to Hill model. Activated sorbent materials with H3PO4 showed 750–770 mg/g of methyl orange which represent high sorption capacities. Orange peel sorbent material previously activated with H3PO4 represents a good alternative to reduce water pollution, and also residues of orange peel could be reduced by this alternative treatment.

To the issue of water treatment by hydrocyclone on the systems of the combined irrigation

2020 ◽  
Vol 0 (2) ◽  
pp. 21-25
Author(s):  
Nikolay Dubenok ◽  
Andrey Novikov ◽  
Sergei Borodychev ◽  
Maria Lamskova
Keyword(s):  
Water Treatment ◽  
Organic Compounds ◽  
Irrigation Water ◽  
Irrigation System ◽  
Petroleum Products ◽  
Cylindrical Part ◽  
Agricultural Landscapes ◽  
Treatment Unit ◽  
Drain Pipe ◽  
Irrigation Network

At the stage of water treatment for irrigation systems, the efficiency capture coarse and fine mechanical impurities, as well as oil products and organic compounds affects the reliability of the equipment of the irrigation network and the safety of energy exchange processes in irrigated agricultural landscapes. The violation of work irrigation system can cause disruptions in irrigation schedules of agricultural crops, crop shortages, degradation phenomena on the soil and ecological tension. For the combined irrigation system, a water treatment unit has been developed, representing a hydrocyclone apparatus with a pipe filter in the case. For the capacity of 250 m3/h the main geometrical dimensions of hydrocyclone have been calculated. To organize the capture petroleum products and organic compounds, it has been proposed a modernization of a hydrocyclone unit, consisting in dividing the cylindrical part of the apparatus into two section. The first is section is for input irrigation water, the second one is for additional drainage of clarified irrigation water after sorption purification by the filter, placed on the disk and installed coaxially with the drain pipe and the pipe filter.

Simple improvements for emergency batch water treatment

Waterlines ◽  
2007 ◽  
Vol 26 (1) ◽  
pp. 17-19 ◽  
Author(s):  
Caetano Dorea
Keyword(s):  
Water Treatment

Bulk water treatment unit performance: For the cameras or the community?

Waterlines ◽  
2012 ◽  
Vol 31 (1-2) ◽  
pp. 53-66 ◽  
Author(s):  
Richard Luff ◽  
Caetano Dorea
Keyword(s):  
Water Treatment ◽  
Bulk Water ◽  
Treatment Unit ◽  
Unit Performance

Improvement of Lake Water Quality by using Moving Rapid Water Treatment System

2018 ◽  
Vol 18 (1) ◽  
pp. 107-115 ◽  
Author(s):  
Kwang-Hee Lee ◽  
◽  
Min-Ho Kim ◽  
Nam-Woo An ◽  
Chul-hwi Park
Keyword(s):  
Water Quality ◽  
Water Treatment ◽  
Lake Water ◽  
Treatment System ◽  
Lake Water Quality ◽  
Water Treatment System
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