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Abdulrahman Al-Hashimi
Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia

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Journal article
Published: 26 August 2021 in Sustainability
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In this work, Azolla filiculoides was used for the bioremediation of a textile effluent and as a potential sorbent for the rejection of Congo red (CR9) dye from a synthetic aqueous solution. The sorbent was characterized, and a pot culture test was carried out to assess the physiological responses in a controlled environment. The response of the plants to the exposure to the emanating pollutants was subordinate. The BOD, COD, and TDS removals were found to be 98.2%, 98.23%, and 90.29%, respectively. Moreover, the dried biomass was studied for the expulsion of CR9, and the process variables were optimized. The maximum CR9 removal was 95% at the optimal conditions of 2 g/L of the sorbent dose at acidic pH. Equilibrium data for adsorption were analyzed using a two-parameter isotherm model. It was observed that the Langmuir isotherm fit with the data (R2 = 0.98) and also had satisfactory lower error values, with its maximum sorption capacity reaching 243 mg/g. The pseudo-second-order kinetics were well fitted (R2 = 0.98). The mass transfer models and the thermodynamic parameters of the system were evaluated. The regeneration studies also showed that the uptake efficacy in the fifth cycle is reduced by 20% when compared with the first cycle. The results show that the biomass was a capable sorbent for the removal of CR9.

ACS Style

Sathish Sundararaman; Ponnusamy Senthil Kumar; Prabu Deivasigamani; Aravind Kumar Jagadeesan; Marshiana Devaerakkam; Abdulrahman Al-Hashimi; Dongjin Choi. Assessing the Plant Phytoremediation Efficacy for Azolla filiculoides in the Treatment of Textile Effluent and Redemption of Congo Red Dye onto Azolla Biomass. Sustainability 2021, 13, 9588 .

AMA Style

Sathish Sundararaman, Ponnusamy Senthil Kumar, Prabu Deivasigamani, Aravind Kumar Jagadeesan, Marshiana Devaerakkam, Abdulrahman Al-Hashimi, Dongjin Choi. Assessing the Plant Phytoremediation Efficacy for Azolla filiculoides in the Treatment of Textile Effluent and Redemption of Congo Red Dye onto Azolla Biomass. Sustainability. 2021; 13 (17):9588.

Chicago/Turabian Style

Sathish Sundararaman; Ponnusamy Senthil Kumar; Prabu Deivasigamani; Aravind Kumar Jagadeesan; Marshiana Devaerakkam; Abdulrahman Al-Hashimi; Dongjin Choi. 2021. "Assessing the Plant Phytoremediation Efficacy for Azolla filiculoides in the Treatment of Textile Effluent and Redemption of Congo Red Dye onto Azolla Biomass." Sustainability 13, no. 17: 9588.

Journal article
Published: 14 December 2020 in Sustainability
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Cotton (Gossypium hirsutum L.) is one of the major fiber crops. Its production is under threat due to scarcity of water resources under a changing climatic scenario. Limited water availability also decreases the uptake of phosphorus, and less uptake of phosphorus can deteriorate the quality attributes of cotton fiber. There is a need to introduce bio-organic amendments which can mitigate osmotic stress on a sustainable basis. Inoculation of rhizobacteria can play an imperative role in this regard. Rhizobacteria can not only improve the growth of roots but also enhance the availability of immobile phosphorus in soil. That is why the current experiment was conducted to explore and compare the efficacy of sole application of diammonium phosphate (DAP) over plant growth-promoting rhizobacteria (PGPR) and phosphorus solubilizing bacteria (PSB) coated DAP on growth and quality attributes of cotton under artificially induced osmotic stress at flowering stage. The impact of phosphorus levels was found to be significant on the plant height, leaf area, average boll weight, stomatal conductance, net photosynthetic rate, and seed cotton yield, while the irrigation effect was significant on all the parameters. The PGPR coated phosphorus performed better as compared to other treatments under normal irrigation and osmotic stress. Results showed that PGPR coated phosphorus increased by 29.47%, 21.01%, 41.11%, 32.73%, 15.63% and 22.89% plant height, average boll weight, stomatal conductance, net photosynthetic rate, fiber length, and seed cotton yield respectively. In conclusion, PGPR coated DAP can be helpful to get higher cotton productivity as compared to control and sole application of DAP under normal irrigation and osmotic stress.

ACS Style

Muhammad Majid; Muqarrab Ali; Khurram Shahzad; Fiaz Ahmad; Rao Ikram; Muhammad Ishtiaq; Ibrahim Alaraidh; Abdulrahman Al-Hashimi; Hayssam Ali; Tayebeh Zarei; Rahul Datta; Shah Fahad; Ayman El Sabagh; Ghulam Hussain; Mohamed Salem; Muhammad Habib-Ur-Rahman; Subhan Danish. Mitigation of Osmotic Stress in Cotton for the Improvement in Growth and Yield through Inoculation of Rhizobacteria and Phosphate Solubilizing Bacteria Coated Diammonium Phosphate. Sustainability 2020, 12, 10456 .

AMA Style

Muhammad Majid, Muqarrab Ali, Khurram Shahzad, Fiaz Ahmad, Rao Ikram, Muhammad Ishtiaq, Ibrahim Alaraidh, Abdulrahman Al-Hashimi, Hayssam Ali, Tayebeh Zarei, Rahul Datta, Shah Fahad, Ayman El Sabagh, Ghulam Hussain, Mohamed Salem, Muhammad Habib-Ur-Rahman, Subhan Danish. Mitigation of Osmotic Stress in Cotton for the Improvement in Growth and Yield through Inoculation of Rhizobacteria and Phosphate Solubilizing Bacteria Coated Diammonium Phosphate. Sustainability. 2020; 12 (24):10456.

Chicago/Turabian Style

Muhammad Majid; Muqarrab Ali; Khurram Shahzad; Fiaz Ahmad; Rao Ikram; Muhammad Ishtiaq; Ibrahim Alaraidh; Abdulrahman Al-Hashimi; Hayssam Ali; Tayebeh Zarei; Rahul Datta; Shah Fahad; Ayman El Sabagh; Ghulam Hussain; Mohamed Salem; Muhammad Habib-Ur-Rahman; Subhan Danish. 2020. "Mitigation of Osmotic Stress in Cotton for the Improvement in Growth and Yield through Inoculation of Rhizobacteria and Phosphate Solubilizing Bacteria Coated Diammonium Phosphate." Sustainability 12, no. 24: 10456.