scholarly journals Composite of polypyrrole with sugarcane bagasse cellulosic biomass and adsorption efficiency for 2,4-dicholrophonxy acetic acid in column mode

2021 ◽  
Vol 15 ◽  
pp. 2016-2025
Author(s):  
Muhammad M. Khan ◽  
Amina Khan ◽  
Haq N. Bhatti ◽  
M. Zahid ◽  
S.A. Alissa ◽  
...  
Keyword(s):  
Acetic Acid ◽  
Sugarcane Bagasse ◽  
Cellulosic Biomass ◽  
Adsorption Efficiency

Modified sugarcane bagasse for the removal of anionic dyes from aqueous solution

2019 ◽  
Vol 48 (5) ◽  
pp. 464-471
Author(s):  
Fatma Abdelghaffar ◽  
Rehab A. Abdelghaffar ◽  
Safia A. Mahmoud ◽  
Badria M. Youssef
Keyword(s):  
Sugarcane Bagasse ◽  
Low Cost ◽  
Morphological Structure ◽  
Adsorption Efficiency ◽  
X Ray Diffraction ◽  
Anionic Dyes ◽  
Content Type ◽  
Chemically Modified ◽  
Ft Ir ◽  
Practical Implications

Purpose This paper aims to improve the adsorption capacity of sugarcane bagasse (SCB) as a low-cost, attractive and effective adsorbent for dye removal from wastewater. Design/methodology/approach SCB is a cellulosic material; it was chemically modified with compounds containing cationic groups. The adsorption efficiency of unmodified and modified SCB was investigated with anionic dyes by studying various factors that affect modified SCB and adsorption. Findings X-ray diffraction, FT-IR spectra and nitrogen content were used to confirm the effect of existence of quaternary ammonium groups on modified SCB. The morphological structure of the modified and unmodified SCB has been demonstrated using electronic scanning microscopy. Research limitations/implications The modified SCB was chemically treated by Quat 188, which is commercially available in the solution of 3-chloro-2-hydroxypropyltrimethyl ammonium chloride. Practical implications Grafting cationic function groups on the surface of sugarcane by cationization treatment enhances its adsorption efficiency for anionic dyes. Originality/value The main value of this research was indicating a clear difference in the appearance of unmodified and modified SCB surfaces. Furthermore, it can be determined that the modified SCB absorbs more of the dyes.

scholarly journals MODIFICATION OF KELUD VOLCANIC ASH 2014 AS SELECTIVE ADSORBENT MATERIAL FOR COPPER(II) METAL ION

2017 ◽  
Vol 5 (1) ◽  
pp. 11
Author(s):  
Susila Kristianingrum ◽  
Endang Dwi Siswani ◽  
Suyanta Suyanta
Keyword(s):  
Acetic Acid ◽  
Metal Ions ◽  
Silica Gel ◽  
Contact Time ◽  
Metal Ion ◽  
Volcanic Ash ◽  
Chemical Bonds ◽  
Adsorption Efficiency ◽  
Selective Adsorbent ◽  
Dominant Peak

Abstract This research aims to prepare an adsorbent from Kelud volcanic ash for better Cu(II) adsorption efficiency than Kiesel gel 60G E'Merck. Adsorbent synthesis was done by dissolving 6 grams of volcanic ash activated 700oC 4 hours and washed with HCl 0.1 M into 200 ml of 3M sodium hydroxide with stirring and heating of 100 °C for 1 hour. The filtrate sodium silicate was then neutralized using sulfuric acid. The mixture was allowed to stand for 24 hours then filtered and washed with aquaDM, then dried and crushed. The procedure is repeated for nitric acid, acetic acid and formic acid with a contact time of 24 hours. The products were then characterized using FTIR and XRD, subsequently determined acidity, moisture content, and tested for its adsorption of the ion Cu (II) with AAS. The results showed that the type of acid that produced highest rendemen is AK-H2SO4-3M ie 36.93%, acidity of the adsorbent silica gel synthesized similar to Kiesel gel 60G E'Merck ie adsorbent AK-CH3COOH-3M and the water content of the silica gel adsorbent synthesized similar to Kiesel gel 60G E'Merck ie adsorbent AK-H2SO4-2 M. The character of the functional groups of silica gel synthesized all have similarities with Kiesel gel 60G E'Merck as a comparison. Qualitative analysis by XRD for all modified adsorbent showed a dominant peak of SiO2 except adsorbent AK-H2SO4 amorphous and chemical bonds with FTIR indicates that it has formed a bond of Si-O-Si and Si-OH. The optimum adsorption efficiency of the metal ions Cu(II) obtained from AK-H2SO4-5M adsorbent that is equal to 93.2617% and the optimum adsorption capacity of the Cu(II) metal ions was obtained from the adsorbent AK-CH3COOH-3M is equal to 2.4919 mg/ g. Keywords: adsorbents, silica gel, adsorption, kelud volcanic ash

scholarly journals Increased acetic acid removal from sugarcane bagasse hemicellulosic hydrolysate by the yeast Issatchenckia occidentalis Y1’a in absence of glucose

2020 ◽  
Vol 6 (4) ◽  
pp. 18621-18636
Author(s):  
Bruna Caroline Marques Gonçalves ◽  
Messias Borges Silva ◽  
Silvio Silvério Silva
Keyword(s):  
Acetic Acid ◽  
Sugarcane Bagasse ◽  
Hemicellulosic Hydrolysate

scholarly journals Multiphase extraction of ephedrine from Pinellia ternata using bionic liquid-modified polymer

2019 ◽  
Vol 21 (4) ◽  
pp. 13-19
Author(s):  
Luwei Fang ◽  
Minglei Tian ◽  
Liangwen Lin ◽  
Kyung Ho Row
Keyword(s):  
Ionic Liquid ◽  
Acetic Acid ◽  
Efficient Method ◽  
Adsorption Efficiency ◽  
Pinellia Ternata ◽  
Modified Polymer ◽  
Multiphase Extraction

Abstract Multiphase extraction (MPE) was applied as a developed, convenient and efficient method in separation of ephedrine from Pinellia ternata. Firstly, in order to increase the adsorption efficiency, bionic liquid-modified polymer was created. Comparing the effects of all sorbents under variables conditions, the highest amount of 5.8 mg/g can be adsorbed on dual imidazole ionic liquid modified polymer (Im-Im-Poly) in methanol/water (70:30, v/v) solution at 25°C within 30.0 min. Then the Im-Im-Poly was applied in MPE, after 7 times repetition of extraction, around 1.0 mg/g of ephedrine from Pinellia ternata was detected. After washing by water, ethanol and methanol, and elution by methanol/acetic acid (99.0:1.0, v/v), ephedrine was successfully separated.

scholarly journals Inhibitory effect of acetic acid on bioconversion of xylose in xylitol by Candida guilliermondii in sugarcane bagasse hydrolysate

2004 ◽  
Vol 35 (3) ◽  
pp. 248-254 ◽  
Author(s):  
Débora D.V. Silva ◽  
Maria G.A. Felipe ◽  
Ismael M. Mancilha ◽  
Rosa H. Luchese ◽  
Sílvio S. Silva
Keyword(s):  
Acetic Acid ◽  
Sugarcane Bagasse ◽  
Inhibitory Effect ◽  
Candida Guilliermondii ◽  
Sugarcane Bagasse Hydrolysate
Sign in / Sign up

Export Citation Format

Share Document