Degradation Pattern of Textile Effluent by Using Bio and Sono Chemical Reactor

Al-Sakkaf, Basem Mohammed; Nasreen, Sadia; Ejaz, Naeem

doi:https://doi.org/10.1155/2020/8965627

Journal of Chemistry

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Abstract Introduction Materials and Methods Results and Discussion Conclusion Data Availability Conflicts of Interest Acknowledgments References Copyright Related Articles

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Advances in Photo and Electrical Chemistry for Treatment of Pollutants

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Research Article | Open Access

Volume 2020 | Article ID 8965627 | https://doi.org/10.1155/2020/8965627

Degradation Pattern of Textile Effluent by Using Bio and Sono Chemical Reactor

Basem Mohammed Al-Sakkaf,¹Sadia Nasreen,²and Naeem Ejaz¹

Guest Editor: Fada Feng

Received23 Nov 2019

Revised24 Jan 2020

Accepted17 Feb 2020

Published30 Mar 2020

Abstract

The research study was conducted to design the ultrasonic-assisted electrochemical reactor and the bioreactor/filter to evaluate the potential applicability of biological trickling filter system and to compare the efficiency of two reactors such as SER and TF for the treatment of textile industry effluents. Also the study to design Sonoelectrolytic process for wastewater treatment of textile industry containing strong color, high temperature, suspended particles and dissolved solid particles has been conducted. Effect to environment and health is caused by oxygen demand (BOD), high chemical oxygen demand (COD). The percentage removal efficiency for wastewater treatment of textile industry by using sonoelectrolytic reactor (SER) was found to be higher than 95% at temperature of 25°C and a pH value of 8.9, while for trickling filter (TF), having adsorbent as a filter medium, efficiency was found to be 95%, and optimum conditions obtained were applied for the treatment of different dye samples. Based on experimental outcomes, it is determined that treatment through SER is done faster than trickling filter because in TF the adsorbent capacity decreases with time and is a time-consuming process, but the chance of deposition on electrodes also increases in SER, so both these processes can yield better results if these problems are eliminated.

1. Introduction

In the last few years, wastewater from the textile industry has become a big problem which causes an increase in the concentration of environmental pollution in industrial cities, which in turn represents environmental risks [1]. Released wastewater in the textile industry and the chemical dyes can be considered as an important environmental concern, as about 200 L of water is used for every 1 kg of textile production [2]. Textile dyes contain a significant quantity of organic pollutants which are very difficult to degrade, and yearly around 5,000 tons of coloring materials are discharged into our environment [3]. The quantity of used water and the waste production both depend upon the amount of consumed water by several varieties of fabrics, and it changes from one textile industry to another due to reliance on the dyeing process. A rough estimation shows that the bleaching process requires 38% of water, printing requires 8%, dyeing requires 16%, boiler requires 14%, and 24% is required for additional practices [4]. As a result of diverse processes, an enormous amount of hurtful effluents is discharged to the environment. Thus, textile effluent has a significant bit of colors and further destructive synthetic concoctions that are dangerous to the environment and are a long way from fulfilling the standards.

Textile industry effluent contains large number of harmful agents such as chemical oxygen demand (COD), biological oxygen demand (BOD), suspended particles, dissolved solid particles, chemicals, color and metals (zinc (Zn), arsenic (As), copper (Cu) and, chromium (Cr)) which causes harm to humans and environment [5]. Coloring release contains a composite blend of colors, salts, and further synthetics, for example, surfactants and about 90% of the color and 80% of the salts are released in effluent [6]. Textile effluent is based upon manufacture products and chemicals and is classified in terms of acidic, basic, vat, and azo dyes while a variety of chemicals inculcated include detergents, caustic, latex, glues, and other chemicals [7]. Textile dyeing works utilizing various classes of chemical dye and extra synthetic substances produceing mixed wastewater [8]. The proficiency of the advanced oxidation process for degrading textile dyes containing the intractable compounds has been comprehensively acknowledged [9–11].

On estimation, most colors utilized in the textile business are effectively solvent in water and are nonbiodegradable due to their unyielding mixes and are a threat to the environment and could cause cancer [12]. The total input of dyes toward wastewater flow is about 15–20% and textile dyeing is contributing about 17%–20% of industrial discharge. There are about 72 toxic chemicals that have been recognized in water from textile dyeing, 30 of which cannot be removed easily [13].

Intense coloration of textile dyes poses high risks to aquatic life by creating obstruction to the light path to reach underwater. Many colors present in fiber effluent potentially cause cancer and mutation and are genotoxic [14]. Material coloring process incorporates different activities, for example, pretreatment, coloring, printing, and washing of pieces of clothing resulting into the generation of a lot of contaminated effluents. The transformation of fiber up to one ton produces about 230–270 cubic meter of polluted water and is required to be cleaned before releasing into the environment [15]. Textile effluents as colors are the most dangerous compound blends found in fiber effluents and ought to be dealt with splendidly as their appearance in water bodies diminishes light invasion, blocking the photosynthesis of watery verdure [16, 17]. Photo-Chemical and ozone chemical treatment processes are collectively resulted as the quick degradation process with better efficiency but the expense of this method is high and is not powerful for treating the entire azo dyes. Also, the generation of various radicals with the expansion of substance reagents causes minor drop of TOC and COD qualities creating the lackluster however degradable polluted water [18].

Industrial dyes involve aromatic compounds in their chemical composition. These dyes are synthesized by chemical combination of altered functional group and relocated electrons. The chromogen comprises a fragrant structure regularly relying upon benzene, naphthalene, or anthracene. The chromophore arrangements are, the azo gathering (-N=N-), ethylene gathering (=C=C=), methine bunch (-CH=), carbonyl gathering (=C=O) and chinoid gatherings. Azo colors might be poisonous after metabolic decrease of the azo bond, creating sweet-smelling amines. The auxo chrome bunches are ionizable gatherings that present coupling limit to the dyematerial. The standard auxo chrome bunches are-NH₂ (amino), -COOH (carboxyl),-SO₃H (sulphonate), and -OH (hydroxyl) [19]. Dyes are classified as natural and synthetic based upon application characteristics and chemical structure. Different treatment techniques of textile wastewater have been proposed in the literature [20].

Fabric industry is perhaps the biggest business on the planet, and various textures, for example, silk, cotton, and fleece are all prerestored, handled, and hued, utilizing a lot of water and a range of chemicals after treatment, so there is a need to comprehend the textile effluent well overall.

1.1. Classification of Dye Removal Techniques

There are several dye removal techniques (Figure 1) which are classified as chemical, physical, and biological methods. Physical method for removing dyes includes adsorption, ion exchange, and filtration/coagulation methods [21, 22], while chemical methods include ozonisation, Fenton reagent, and photocatalytic reactions and biological methods include aerobic degradation, anaerobic degradation, biosorption, etc.

2. Different Technologies Used for This Purpose

2.1. Fenton Oxidation Process

Propelled oxidation strategies, for example, Fenton and altered Fenton forms are impressive to notice dye removal in textilewastewater. In Fenton process, low concentrations of Fe⁺² and H₂O₂ arrangements are utilized, and these Fenton reagents create OH- radicals including high oxidation potential. The Fenton procedure, where nonlethal and innocuous reagents are applied at low concentrations, is extremely helpful for decolorization of wastewater since it is exceptionally viable and less dirty [23].

2.2. Membrane-Based Technologies

Conventional treatment methods experience the ill effects of a few loopholes. The utilization of film-based procedures in such cases can viably surmount a large portion of these disadvantages. The choice of suitable membrane relies upon the layer material which is thus administered by certain indispensable layer properties, for example, chemical, mechanical thermal and the film defenselessness to fouling; in addition, the layer pore size, which decides the substances that can be adequately held and layer shape, which demonstrates its capability to oppose stopping up are other significant parameters that must be thought about [24, 25]. Microfiltration has constrained application in textile wastewater treatment due to its resemblence with filtration process. It is mainly used for removal of particlessuspension and colloidal dyes from exhausted dye bath and from discarded rinsing bath discharge; microfiltration membranes, however, permit the unconsumed auxiliary chemicals, dissolved organic pollutants and other soluble contaminants to escape with the permeate[25, 26]. The ultrafiltration layer process has restricted applications in the textile business; this is mostly in light of the fact that the subatomic loads of the colors present in the exceptionally hued material release are a lot of lower than the subatomic weight cut-off (MWCO) of the ultrafiltration membranes [27]. Ultrafiltration (UF) is generally applied as a pretreatment step in frameworks requesting high level of procedure stream refinement; it is trailed by procedures, for example, nanofiltration (NF), or invert assimilation (RO) stages, which fulfill the requests on process water quality [28]. Nanofiltration (NF) layer process is distinctively put between ultrafiltration and reverse osmosis, Its popularity over the years as an effective and simplified technology can be attributed to the benefits in terms of environmental pollution abatement, rejection, recovery and reuse of textile dyes, divalent salts and other auxiliary chemicals, recovery and reuse of brine . Furthermore, the generation of value pervade permits the reuse of treated wastewaters in significant procedures, for example, coloring and wrapping up [29].

2.3. Adsorption Technique

Adsorption methods have picked up support methodology among all the physicochemical techniques including adsorption, flocculation joined with flotation, membrane filtration, electromotor, coagulation, ozonation, oxidation, precipitation, and ion exchange [30, 31]. Activated carbon is a generally utilized adsorbent in modern procedures, which is made out of a miniaturized scale permeable, homogenous structure with high surface territory and shows radiation security [32]. These days, there is an incredible enthusiasm for finding economical and powerful options in contrast to the current business activated carbon [33]. The most recent investigation shows the readiness of activated carbon from coconut husk with H₂SO₄ actuation (CSAC) and its capacity to evacuate textile colors (maxilon blue GRL and direct yellow DY 12) from fluid arrangements [34]. Agricultural wastes are inexhaustible, accessible in huge sums and more affordable when contrasted with different materials utilized as adsorbents. Agricultural squanders are superior to different adsorbents in light of the fact that the horticultural squanders are typically utilized without or with at least handling (washing, drying, and granulating) treatment[35]. There are explicit option farming by-products utilized strongly as color adsorbents, for example, nut structure, coir essence, and rice husk [36].

2.4. Microbial Biotechnology

Biotechnological methodologies have pulled in overall consideration for their relative cost viability and ecologically well-disposed nature. Most biotechnological approaches depend on the utilization of organisms that can possibly enzymatically debase and decolorize color containing fiber effluents. Azo dyes have been seen as decolorized prevalently under anaerobic conditions. Complete deterioration of azo dyes by microbial cells happens in two stages. In the initial step, drab metabolites are delivered by the reductive cleavage of the azo bond under anaerobic conditions. These metabolites are then disintegrated in a second step that requires oxidized conditions [37]. Enzymes, for example, azo reductases, laccases, lignin peroxidases, Mn peroxidases, DCIP-NADH reductases, tyrosinase, aminopyrine N-demethylase, and riboflavin reductases, have been accounted for to be engaged with the breakdown of azo dyes [36, 38, 39].

2.5. Ozonation

Biotreated fabric wastewater can be more dangerous than the untreated discharge as certain colors are changed into little natural atoms; in this manner, further treatment is mostly required. Especially encouraging are the advance oxidation forms (AOPs); among the few AOP ozonation is the innovation that can be effectively executed in the previously existing treatment plants.operate[40, 41]. Utilization of ozonation as short posttreatment after a natural procedure can be gainful for the breakdown of refractory mixes and the evacuation of poisonous quality of material wastewater, yet observing of mutagenicity and harmfulness is a significant apparatus and ought to be utilized to supplement ordinary examination which centers around expulsion of supplements [42].

2.6. Phytoremediation

Phytoremediation really is the technique for treatment of contaminations by plants and their root related microflora [43]. Phytoremediation approach has been examined as a potential instrument to evacuate numerous risky natural contaminants like substantial metals, landfill leachates, pesticides, polyaromatic hydrocarbons, radionuclides, oil, unrefined petroleum, chlorinated solvents, polychlorinated biphenyls, explosives, weapons, and even the harmful gases [44]. Phytoremediation has advantages such as being a solar energy dependent and an aesthetically pleasant method of treatment. It offers a carbon neutral and thus environmental friendly approach for removal of toxic contaminants from the environment [45].

3. Materials and Methods

3.1. Instruments

3.1.1. pH Meter

pH meter is used for the measurement of acidity and alkalinity of solution. pH meter is used to measure the pH of wastewater at different time intervals during wastewater treatment process of industrial dye. This device is also considered as one of the easiest and devices used to measure pH; in addition, this device is equipped with standard solutions to ensure the inspection process for accurate results.

3.1.2. UV-Visible Spectrophotometer

UV-visible spectrophotometer works on the absorption principle. It uses visible light as a source light. Different constituents absorb different wavelengths of visible light. Component concentration has a direct relation with the absorption of light.

Spectrophotometer was used to determine the concentration of dyes in wastewater at different time intervals during treatment process, and it can be explained by using a chart diagram.

3.1.3. Electrolytic Cell

Electrolytic cell is an undivided cell made of Perspex sheet in which degradation was carried out. Working electrode (anode) was made of copper and counter electrode (cathode) was made of aluminum plated iron. Both electrodes had dimensions of 15 × 4 cm² placed vertically at distance of 10 cm to each other.

3.1.4. Ultrasonic Bath

Ultrasonic bath as shown in Figure 2 produces high energy sound waves. The frequency of these waves ranges from 10–400 kHz. These sound waves help in wastewater treatment as they transfer their energy to pollutant molecule. Due to their high energy, the pollutant molecule ruptured.

3.1.5. Sonoelectrolytic Reactor (SER)

It is the combination of two units, i.e., an electrolytic cell and ultrasonic bath. The electrolytic cell was placed in the ultrasonic bath, and both are operated simultaneously for wastewater treatment as explained in Figure 2.

4. Experimentation

The wastewater was treated with two systems. The experimentation of our study consists of three steps:(1)Sonoelectrolytic reactor.(2)Adsorbent use.(3)Trickling filter.

4.1. Treatment through Sonoelectrolytic Reactor (SER)

4.1.1. Experiment No. 1

50 ppm concentration of solution of dye colored red was prepared. The volume of solution was 2 L. The underlying pH, temperature, and absorbance were noted, and the arrangement was placed in sonoelectrolytic reactor. The treatment process continued for 210 minutes. The time interval was 30 minutes. Different parameters like absorbance, pH, and temperature were determined after every 30 min of interval.

4.1.2. Experiment No. 2 (Acidic Solution)

50 ppm concentration of red dye solution was prepared. One milliliter for each liter of concentrated HCl was incorporated to solution. Solution’s color was changed from red to blue. The absorbance was now measured at wavelength of 570 nm. The volume of solution was 2 L. The initial pH, temperature, and absorbance were noted, and same procedure is repeated as discussed earlier.

4.1.3. Experiment No. 3 (Basic Solution)

50 ppm concentration of red dye solution was prepared. 0.1 N solution NaOH was added to solution. The absorbance was measured at wavelength of 495 nm. The volume of solution was 2 L. The initial pH, temperature, and absorbance were noted, and same procedure is repeated as discussed earlier.

4.1.4. Experiment No. 4 (Acid and Base)

50 ppm concentration of red dye solution was prepared. 0.1 N solution of NaOH and 1 ml/liter of concentrated HCl was added to solution. Agglomerate was formed in the solution. The solution was set for settling. No treatment was done.

4.1.5. Experiment No. 5 (Collected Sample)

The sample was collected from cloth dyeing factory. The maximum absorbance that was measured by spectrophotometer was 675 nm. The volume of solution was 1 L. The initial pH, temperature, and absorbance were noted, and same procedure is repeated as discussed earlier.

4.2. Treatment through Adsorbent

4.2.1. Adsorbent

The adsorbent used was sugarcane bagasse. The sugarcane leftover was collected from sugarcane juice shop and then dried in sunlight and ground into small size.

4.3. Bio-Trickling Filter (TF)

The bagasse adsorbent was used in the trickling filter. The laboratory scale trickling filter was constructed as shown in Figure 3. The volume of trickling filter was 4 liters. The filter media used were gravels and adsorbent layer. The filter depth was 8 cm. The bottom layer of filter was of gravels of 10 mm; this layer was of 5 cm. The second layer of 3 cm was laid of gravels having size of 2 mm. The upper layer of adsorbent was thin, approximately 2 mm. The quantity of adsorbent used was 24 gm. Two tests were performed on trickling filter.

4.3.1. Experiment No. 1

50 ppm concentration of solution of dye colored red was prepared. Volume of suspension was 4 L. The initial pH, temperature, and absorbance were noted, and same procedure is repeated as discussed earlier.

4.3.2. Experiment No. 2 (Collected Sample)

The sample was collected from cloth dyeing shop. The maximum absorbance that was measured by spectrophotometer was 675 nm. The volume of solution was 4 L. The initial pH, temperature, and absorbance were noted, and same procedure is repeated as discussed earlier.

5. Results and Discussion

5.1. Treatment through Sonoelectrochemical Reactor

5.1.1. Experiment No. 1

Results shown in Table 1 are explained with the help of graphs (Figure 4(a)–4(c)). Table 1 shows the experiment implementation time and specified 210 minutes, where 8 samples were taken during different time every 30 minutes; the results showed (Figures 4(a)–4(c)) a decrease in the absorbance from 1.637 to 0.413 with an increase in the efficiency from 12.6% up to 99.3% at 210 minutes and equivalent pH values, which means that the processing time is 3.5 hours.

(a)

(b)

(c)

Test continued for 210 minutes and 60 minutes settling was given as shown in Table 1. reactor. The pH also changes during treatment process. The max temperature reaches 61.5°C due to dye degradation because sound waves are highly energetic when they strike with atoms; the atoms are split into small particles which settle down during settling. Similarly, during electrolysis, movement of electrons also degrades dye atoms and emits energy due to this temperature increase. The efficiency was 99.3% after filtration as shown in Table 1.

5.1.2. Experiment No. 2 (Acidic Solution)

Table 2 shows the experiment implementation time and specified 90 minutes, where 4 samples were taken during different time every 30 minutes; the results showed (Figure 5(a)–5(c)) a decrease in the absorbance from 1.154 to 0.059 with an increase in the efficiency from 13.7% up to 94.9% at 90 minutes, which means that the processing time is 1.5 hours.

(a)

(b)

(c)

Test continued for 90 minutes and 60 minutes ettling time was provided.reactorDecrease in absorbance with time depicts the degradation of dye in solution within the reactor. The pH also changes during treatment process. The max temperature reaches 51°C. The efficiency was 94.9% after filtration.

5.1.3. Experiment No. 3 (Basic Solution)

Table 3 shows the experiment implementation time and specified 210 minutes, where 4 samples were taken during different time every 30 minutes; the results showed (Figures 6(a)–6(c)) a decrease in the absorbance from 1.548 to 0.074 with an increase in the efficiency from 47.9% up to 95.2% at 210 minutes and high pH values, which means that the processing time is 1.5 hours.

(a)

(b)

(c)

Test continued for 90 minutes and 60 minutes settling was provided. reactorDecrease in absorbance with time depicts the degradation of dye in solution within the reactor. The pH also changes during treatment process. The max temperature reaches 52°C. The efficiency was 95.22% after filtration.

5.1.4. Experiment No. 4 (Collected Sample)

Table 4 shows the experiment implementation time and specified 210 minutes, where 4 samples were taken during different time every 30 minutes; the results showed (Figures 7(a)–7(c)) a decrease in the absorbance from 3.824 to 0.138 with an increase in the efficiency from 1.15% up to 96.4% at 210 minutes, which means that the processing time is 1.5 hours.

(a)

(b)

(c)

Test continued for 90 minutes and 60 minutes settling time was provided.reactorDecrease in absorbance with time depicts the degradation of dye in solution within the reactor. The pH also changes during treatment process. The max temperature reaches 59°C. The efficiency was 96.4% after filtration.

Figure 8 shows the initial and final absorbance of wastewater. This shows that SER is a preferable treatment process in short time period.

5.2. Drawbacks of Sonoelectrochemical Reactor

The treatment efficiency of sonoelectrolytic reactor was very good. The only drawback assessed was deposition of dyes on electrodes during the treatment process that needs cleaning after every test. This depends upon the concentration of dyes in wastewater; higher concentration leads toward more deposition on electrodes. Another problem which may occur was sludge formation. High amount of sludge is produced in this process that is difficult to handle.

5.3. Treatment through Bio-Trickling Filter (TF)

5.3.1. Experiment No. 1

Table 5 shows the experiment implementation time and specified 110 minutes, where 4 samples were taken during different time every 30 minutes; the results showed (Figures 9(a)–9(c)) a decrease in the absorbance from 1.591 to 0.067 with an increase in the efficiency from 83.47% up to 95.78% at 110 minutes and equivalent pH values, which means that the processing time is 1.5 hours.

(a)

(b)

(c)

Test continued for 110 minutes. reactorDecrease in absorbance with time depicts the degradation of dye in solution within the reactor. The pH also changes during treatment process. The efficiency was 95.8%.

5.3.2. Experiment No. 2 (Collected Sample)

Table 6 shows the experiment implementation time and specified 240 minutes, where 9 samples were taken during different time every 30 minutes; the results showed (Figures 10(a)–10(c)) a decrease in the absorbance from 3.79 to 2.02 with an increase in the efficiency from 20.95% up to 46.7% at 240 minutes and equivalent pH values, which means that the processing time is 4 hours.

(a)

(b)

(c)

Test continued for 110 minutes. reactorDecrease in absorbance with time depicts the degradation of dye in solution within the reactor. The pH also changes during treatment process. The efficiency was 46.7%.

The graph in Figure 11 shows the initial and final absorbance of wastewater. This shows that TF is not a good treatment process in short time period. Also the graph shows abrupt variation causing an increase in absorbance value as reaction stopped and particles deposited instead of settling deposited. The problem can be removed using filter paper.

5.4. Drawbacks of Bio-Trickling Filter

Treatment in bio-trickling filter is a time-consuming process as both the biological treatment and the physical treatment are required. Biofilm generation is a time requisite process, and the other issue was the capacity of adsorbent. The adsorbent capacity decreases with time, and when adsorbent surface area is utilized thoroughly, there is a need to replace the old adsorbent with the new one.

5.5. Comparative Analysis of Both Treatment Systems

Table 7 shows the comparative analysis of treatment systems by sonoelectrolytic reactor and trickling filter.

5.6. Efficiency Comparison of Both Treatment Systems

Figure 12 shows the relevance between treatment efficiencies and time. It shows that sonoelectrolytic reactor (SER) took less time to treat textile wastewater as compared to trickling filter.

5.7. Effect of Temperature

Figures 13(a) and 13(b) show the temperature variation with respect to time for different experimental setup used in the ultrasound-assisted electrochemical reactor (UAER) method. It is observed that temperature increases as the experiment progresses. The absorbance decreases with increase of temperature, ultimately causing dye degradation to increase, respectively. The maximum temperature noted in UAER method is 56°C.

(a)

(b)

Figure 13(b) shows the temperature variation for different experimental setup used in the sonoelectrochemical reactor (SER) method. The temperature shows the similar effect as observed in UEAR graph values. The maximum temperature noted in the SER method is 59°C. After 90 minutes, the experiment stops and the aqueous solution is kept for settling for 60 minutes, causing an abrupt decrease of temperature. Also, it is noted in both UEAR and SER methods that the rate of decolonization reduces after temperature reaches 50°C and rate of increase of temperature also decreases after 150 minutes in both the aforementioned techniques.

Figure 14 shows the comparison between trickling filter, sonoelectrolytic reactor, and ultrasound-assisted electrochemical reactor based on their degradation efficiency.

6. Conclusion

Fabric discharge can cause drain, ulceration of skin, sickness, skin bothering, and dermatitis. Excessive quantity of harmful synthetic substances in the wastewater inhibits sunlight and enhances biological oxygen demand, thereby hindering photosynthesis and reoxygenation process. Hence, the need to treat such an effluent is urgent.

In this study, performances of sonoelectrolytic and biological processes to remove color and organic compounds from fabric discharge were investigated and compared. After performing a series of experiments on dye solution, it was easy to conclude that efficiency of degradation of dyes can be enhanced by changing the parameters like pH, temperature, and types of chemicals used. Conclusions derived from the experimental results shows that the treatment through SER is faster than trickling filter because in TF the adsorbent capacity decreases with time and is a time-consuming process, but the chance of deposition on electrodes also increases in SER so both these processes can yield better results if these problems are eliminated.

Data Availability

The data used to support the findings of the study are available from the corresponding author upon request.

Conflicts of Interest

The authors declare that they have no conflicts of interest.

Acknowledgments

Engr. Basem Mohammed Al-Sakkaf acknowledges the technical and moral support provided by the University of Engineering and Technology, Taxila, 47050, Pakistan. The authors are really thankful to Higher Education Commission Pakistan (HEC) for providing them financial support through the National Research Program for Universities (NRPU) (project no. 10570). Authors are also thankful to Mr. Baqar Ali Siddique, a student of Environmental Engineering Department, for his help in research.

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Copyright © 2020 Basem Mohammed Al-Sakkaf et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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