10.docx

Reference

Wang,J atl (2013)

Li, Y atl (2009)

Ge.Y atl (2013)

Mubarak atl (2012)

Characteristic of wastewater

adsorbent

source

type

Particle properties

oMWCNT s Oxidized) multi – walled Carbon (nanotubes

Dout (10-30 nm) , L=(110 µm), purity ≥96% Purity above 96%

CNTs Carbon ) (nanotubes

BET surface area (m2/g)=153 Pore volume (cm3/g) = 0.57

sMWCNTs ) Sulfonate multi – walled Carbon nanotube s Functioni zed MWCNT & non Functioni zed MWCNT

Dp= 50.9 nm Vp= 0.0366 cm3g-1 SBET= 28.7 m2g-1

Synthetic 50mg C60 ) dissolved in 50ml benzene followed by addition of 2ml of 2mol/L .(NaOH Synthetic 1-5g sodium ) alginate dissolved into 98-5ml deionized water then 1g CNTs (added Synthetic

Synthetic 150ml conical +(0.1-0.2mg) MWCNTs+50 ml metal ions .solution

Concentratio n ppm From 1 to 20 .mg/L

mg/L 5-40

10-100 mg/L With step values og 10 or 20 mg/L

1000mg/L

Operating parameter

D<30nm L(10100micro m

rpm or bed size 12000 rpm

----

----

.Temp

F

/.Adsorb solution

PH

time

,293K ,313K 333K

(V:V 1:3) /MWCNTs) Nitric acid) 500ml flask contain 400ml .NA

4-6 2-9

24h

Room .temp

/0.05g adsornent 100ml of standard solution

2-7

0.025g/50Ml

2-6

25C

N

Cu % removal

Measured parameters

Model applied

96% 0-99%

temperature

Langmuir Freundlich

N

95%

PH

Langmuir

2h Freundlich

N

94%

PH

6h

Freundlich DubininRadushkevich (D_F)

210 rpm

283323K

mg 0.2

5

6h

N

94.5%

.Temp Time PH CNTs Dosages

Langmuir isotherm The value of R=0.9603

Reference

Jafaar A.D (2012) Anthony et al.(2015)

Abdel Salam (2012)

Characteristic of wastewater

adsorbent

Source

Concentratio n ppm

type

Particle properties

rpm or bed size

.Temp

/.Adsorb solution

PH

time

synthetic

(10,30,50) m

CNT

D=30nm

200 rpm

Room temp

100ml

8

60 min

Synthetic

Synthetic

Synthetic Nyairo et al. (2017)

25mg/L

100mg/L mg/L 0.5) (cu

Operating parameter

Pristine L below CNTs 30µm Din=(0.81.6nm) Multiwalled carbon nanotube

D=(20 - 40 nm) L=5µm

oMWCN T/Ppy

Pore ) (D=14.48A Surface) area =130.43m2/ (g

120rp m

----

200 rpm

20C

10ml

77K

mg/100L 125

Room temper ature

20mg/20mlof metal solution

6.8

7

Cu % removal

Measured parameters

Model applied

N

98.39%

Carbonnanotube , dosage PH

Langmuir

Temperatur e Time

Fractional power function , Lagergren pseudo-firist -order , Pseudosecondorder,Elovich eqution Langmuir isotherm And pseudosecond order kinetic

Freundlich

N

200 min

1-) (120 min

5

F

2h

N

N

PH Time Initial concentrati on

Reference

Ahmadzahed and Mohammadi (2015)

Characteristic of wastewater

adsorbent

source

Concentratio n ppm

type

Particle properties

rpm or bed size

.Temp

/.Adsorb solution

PH

time

synthetic

Co= 100200-400600-800 .mg/L

ASsynthesize d CNTsmullite composite

----

25C

50mg adsorb / 50ml solution

7

h 24

Co= 100200-400600-800 .mg/L

Acid treated CNTsmullite composite

Small size High capacity Uniform pore distribution . Small size High capacity Uniform pore distribution . Small size High capacity Uniform pore distribution

Co= 100200-400600-800 .mg/L Co= 100200-400600-800 .mg/L

Chitosan treated CNTsmullite composite Acidchitosan treated CNTsmullite composite

Operating parameter

Small size High capacity Uniform pore distribution

F

N

Cu % removal

Measured parameters

---- Concentrati on Adsorbents .type

Model applied

Langmuir Freundlich Two kinetic model

Model applied

measurem ent parameter

PH

-----------

------------

------------

------------

Time

PH

of % copper

operating parameter

85%

85%

Amount of adsorption in the solution

87%

Concentrat ion of copper in solution

87%

characteristics of waste water

Reference

Time

PH

Adsorb./ solution

.Temp

Rpm or bed size

Partials properties

type

Concentration ppm

Source

min 30 to 180 .min

-6.48

g/100ml 0.5 solution

30°C

100 rpm

Particals size (255 -355 ) micron

bioadsorption( Minced banana peels and potato peels from the food waste)

mg/l 1-50

Synthesis solution

Taralgatt

15,30, 45,60 and 75min

7

0.5mg/l

-------

Adsorption by using natural coagulant

6mg/l

Synthesis solution

Deepthi et al.(2017)

30min

3,7 and 9

removal

57.66%

adsorbent

60min

8.2

100 rpm

7

0.5mg/l

---------

100

6mg/l

rpm 0.5,1and 2g

---------

100

6ppm

rpm

1hr and 30min

0.5g

----------

100 rpm

and 7ppm 2,4

) CuSO4.5H (2O

(2016)

Model applied measurement of copper % parameter removal

----

Time

89% N

operating parameter Time

hr 2-8.

PH

Adsorb./ solution

.Temp

Rpm or bed size

---- gm/500ml 1-5

Room temp

150200 micron s

Concentratio n

-----------

PH at 6 PH 89% N min 120

0-8

0.6g adsorb

Room temp

-----

0-200 min

6

0.6g adsorb

Room temp

-----

dose at 0.6g 88% N min 120

6

0.1-1.5g

time

at 120 80% N min

Room -----temp

adsorbent Partials properties

characteristics of waste water

type Concentration ppm

Source

-----Coconut husk 1gm/l,2gm/l,3gm/l, 4gm/l,5gm/l

Synthesis

micro meter size 6Coconut husk

ppm-30 ppm 10

Reference

Paul.J etl (2017)

Synthesis Thapak.H etl