Article
Multidisciplinary Sciences
Zehara Nuru, Paulos Getachew
Summary: The study evaluated quality improvement of used niger seed oil using adsorbent treatment. Ash and MgO effectively improved the physico-chemical characteristics of the used oil and their combination nearly restored the frying oil to fresh quality.
Article
Environmental Sciences
Mona Al Malki, Abu Zahrim Yaser, Mohd. Amir Asyraf Mohd. Hamzah, Muhammad Abbas Ahmad Zaini, Nurzila Ab Latif, Siti Halimah Hasmoni, Zainul Akmar Zakaria
Summary: This article discusses the global issue of improper wastewater treatment disposal and explores the potential of using date palm as a sustainable raw material to produce biochar and/or activated carbon. Despite the abundance of date palm biomass, there are few reports on its utilization in actual industrial processes, such as pollutant removal from water systems. This review provides new insights into the conversion techniques of date palm biomass, its characteristics, and evaluation of its pollutant removal capacity.
CURRENT POLLUTION REPORTS
(2023)
Article
Food Science & Technology
Zein Najjar, Jaleel Kizhakkayil, Hira Shakoor, Carine Platat, Constantinos Stathopoulos, Meththa Ranasinghe
Summary: This study explores the use of date seeds, a byproduct of the food industry, as a means to improve the nutritional value and antioxidant activity of cookies. The results show that the seeds contain high levels of polyphenols and flavonoids, and substituting flour with ground date seed enhances the cookies' antioxidant properties.
Article
Environmental Sciences
Xinze Geng, Yufeng Duan, Shilin Zhao, Jiwei Hu, Weimeng Zhao
Summary: Current approaches for Mechanochemical bromination (MCB) modified fly ash have been focusing on the efficiency and mechanism of mercury removal. Results showed that the activation mechanism of MCB mainly enhances the mercury removal ability of fly ash due to the generation of C-Br with activated carbon and M-Br on hematite.
Article
Agronomy
Sunita Sanjyal, John G. Hampton, Phil Rolston, Santosh Marahatta
Summary: This study investigated the seed yield of teosinte and found that early sowing dates, lower seed rates, and fewer herbage cuttings were beneficial for seed yield.
Article
Green & Sustainable Science & Technology
Donanta Dhaneswara, Henny Shinta Marito, Jaka Fajar Fatriansyah, Nofrijon Sofyan, Damar Rastri Adhika, Iping Suhariadi
Summary: In this study, mesoporous Santa Barbara Amorphous 16 (SBA-16) derived from rice husk ash and corn cob ash were successfully produced, with corn cob ash containing 15g P123 showing the highest yield of SBA-16 particles and better adsorption of methylene blue compared to rice husk ash. This research suggests that mesoporous SBA-16 from corn cob ash has potential as an adsorbent for industrial applications.
JOURNAL OF CLEANER PRODUCTION
(2022)
Article
Chemistry, Physical
K. Rambabu, G. Bharath, Fawzi Banat, Abdul Hai, Pau Loke Show, The Hong Phong Nguyen
Summary: Biohydrogen production from date-palm fruit wastes was studied using Enterobacter aerogenes by dark fermentation, with the addition of iron oxide nanoparticles and its nanocomposites enhancing hydrogen yield and productivity. Fe3O4/DSAC nanocomposites showed better hydrogen production enhancement than Fe3O4 NPs, with optimal dosage observed at 150 mg/L. Metabolites analysis indicated that hydrogen evolution followed the ethanol-acetate pathway, with Fe3O4/DSAC reducing the formation levels of longer chain co-metabolites. The nanocomposites exhibited significant application potential for biohydrogen production from date fruit wastes.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Biochemistry & Molecular Biology
Abdessalem Mrabet, Ana Jimenez-Araujo, Africa Fernandez-Prior, Alejandra Bermudez-Oria, Juan Fernandez-Bolanos, Marianne Sindic, Guillermo Rodriguez-Gutierrez
Summary: The growing interest in natural compounds is improving the management of agro-industrial by-products like date seeds, which are a valuable source of phenolic components and sugars. This study investigates the hydrothermal treatment of date seeds to obtain extracts with high antioxidant activity, and the results show that this treatment solubilizes phenols and sugars, leading to biologically active extracts.
Article
Energy & Fuels
Yuandong Yang, Zengqiao Chen, Xianda Sun, Shun Yao, Xiaoyu Zhang, Wenqiang Liu
Summary: In recent years, there has been increasing interest in biomass derived Li4SiO4 adsorbent for high-temperature CO2 capture. This study utilized industrial fly ash from biomass boilers to produce Li4SiO4 adsorbent for the first time. Different pretreatment methods were carried out to enhance the performance of the derived adsorbent. The results showed that the industrial biomass fly ash is a feasible source for Li4SiO4 production with a reasonable CO2 adsorption capacity.
Review
Materials Science, Multidisciplinary
Uyiosa Osagie Aigbe, Kingsley Eghonghon Ukhurebor, Robert Birundu Onyancha, Otolorin Adelaja Osibote, Handoko Darmokoesoemo, Heri Septya Kusuma
Summary: The study examined the use of fly ash-based adsorbents for removing heavy metals and dyes from wastewater, finding that Langmuir's and Freundlich's isotherm models were effective in describing the sorption process, with the pseudo-second-order model suitable for elucidating the kinetic process. Recommendations for future prospects include enhancing adsorption capacity and effectiveness of fly ash through innovative technologies such as nanofiber technology.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2021)
Article
Forestry
Dorah M. M. Mwangola, Aubree M. M. Kees, Donald M. M. Grosman, Brian H. H. Aukema
Summary: The invasive insect Emerald ash borer (EAB) poses a major threat to ash trees in North America. To conserve the genetic resources of ash trees, scientists have studied the effect of systemic insecticides on seed infestation and germination. The results suggest that using systemic insecticides can effectively reduce seed weevil infestation in ash trees without affecting seed germination rates.
FOREST ECOLOGY AND MANAGEMENT
(2022)
Article
Environmental Sciences
Liqiang Qi, Xu Wang, Wen Wang, Jingxin Li, Yan Huang
Summary: The pyrite-modified fly ash mercury adsorbent shows promising performance in mercury removal, with an adsorption rate of up to 91.92%. The adsorption process is mainly influenced by chemisorption. Through characterization techniques and experiments, optimal operating conditions and adsorption mechanisms were identified.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Engineering, Environmental
Baihe Guo, Yanlin Wang, Xiaolei Qiao, Xin Shen, Jingnan Guo, Jun Xiang, Yan Jin
Summary: Utilizing power plant fly ash to prepare CO2 adsorbent can achieve waste utilization and low-carbon power generation. By studying the performance and regeneration kinetics under different regeneration conditions, optimal regeneration conditions can be identified to achieve the recycling of adsorbent efficiently.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Engineering, Environmental
Saki Ohta, Kazuma Yoshida, Teruhisa Hongo
Summary: This study evaluated the rice husk ash (RHA) discharged from a rice husk-based power plant in Myanmar and found it to contain a high percentage of silica. The study also demonstrated the successful synthesis of two types of allophanes by extracting silica and adjusting the pH, with different specific surface areas and adsorption capacities.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Food Science & Technology
Ibrahim Khalifa, Fahad K. Aldhafiri
Summary: This study evaluated the immunomodulatory effects of date seed polyphenol extracts in RAW264.7 macrophages using the NF-kappa B and Nrf2 signaling pathways. The results showed that the encapsulated date seed pills effectively stimulated nuclear translocation of Nrf2 and NF-kappa B, along with downstream cytokines, ROS ratios, and SOD activity. The findings also suggest that commercial date seed pills have different effects on immunomodulation, which are influenced by the manufacturing process and the concentrations used.
Article
Environmental Sciences
Md Nazmul Hasan, M. A. Shenashen, Md Munjur Hasan, Hussein Znad, Md Rabiul Awual
Summary: A modified adsorbent based on oxidized Mangrove charcoal was fabricated for Cs removal from waste sample, showing high adsorption capacity and potential monolayer coverage. Despite slight interference from high concentrations of Na and K, the adsorbent still exhibited selectivity towards Cs.
Article
Chemistry, Physical
Munjur Hasan, M. A. Shenashen, Md Nazmul Hasan, Hussein Znad, Md Shad Salman, Rabiul Awual
Summary: This study investigated the use of wheat flour as a biodegradable adsorbent for efficient removal of cationic dye from water sources. The adsorbent exhibited high adsorption efficiency, sensitivity, and reusability. The research findings suggest that wheat flour shows promise as a bio-adsorbent for water treatment applications.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Agricultural Engineering
Hussein Znad, Hassan Al-Mohammedawi, Md Rabiul Awual
Summary: This study investigated the impact of an integrated pre-treatment of waste banana peel biosorbent and sonication on photo fermentative hydrogen production using a mixture of brewery and restaurant effluents. The results showed that the proposed pre-treatment not only enhanced biohydrogen production, but also contributed to reducing chemical oxygen demand in wastewater.
BIOMASS & BIOENERGY
(2021)
Article
Chemistry, Analytical
Md Shad Salman, Hussein Znad, Md Nazmul Hasan, Md Munjur Hasan
Summary: In developing countries, the lack of analytical infrastructures hinders regular water quality assessments. Affordable and portable analytical technologies are needed for real-time monitoring, and the developed sensor material offers specific detection and removal of toxic lead ions in water, with potential for widespread use in heavy metal pollution monitoring.
MICROCHEMICAL JOURNAL
(2021)
Article
Chemistry, Analytical
Md Nazmul Hasan, Md Shad Salman, Aminul Islam, Hussein Znad, Md Munjur Hasan
Summary: The study developed an optical sensor material for sustainable detection and adsorption of cadmium (Cd (II)) ions in aqueous solution, exhibiting enhanced sensitivity and distinct color response. The sensor showed efficient immobilization of organic ligands for selective capturing of Cd (II) ions even in the presence of coexisting metal ions, with good stability and reusability for various adsorptive removal and detection applications.
MICROCHEMICAL JOURNAL
(2021)
Article
Chemistry, Physical
Khadiza Tul Kubra, Md Shad Salman, Hussein Znad, Md Nazmul Hasan
Summary: The study demonstrates that using whole wheat flour as an adsorbent can effectively remove dyes from wastewater, with a maximum adsorption capacity as high as 162.33 mg/g. The effective pH range for CyV adsorption is in the neutral pH region, and the whole wheat flour adsorbent can selectively remove CyV dye even in the presence of various competing ions.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Biotechnology & Applied Microbiology
Ahmed M. D. Al Ketife, Fares Almomani, Hussein Znad
Summary: The study evaluated the impact of different treatments on chicken bones in removing copper ions from aqueous solutions. The results showed that detergent treated bones had the highest removal efficiency, while untreated bones had the lowest. The pseudo-second-order kinetic model provided the best representation of the adsorption process.
ENVIRONMENTAL TECHNOLOGY & INNOVATION
(2021)
Article
Chemistry, Physical
Aminul Islam, Srimonta Roy, Siow Hwa Teo, Shahjalal Khandaker, Yun Hin Taufiq-Yap, Azrina Abd Aziz, Minhaj Uddin Monir, Umer Rashid, Dai-Viet N. Vo, Mohd Lokman Ibrahim, Hussein Znad, Md Rabiul Awual
Summary: The global e-waste generation is expected to increase significantly in the coming years, which may have a negative impact on health and the environment if not managed properly. This study focuses on recovering palladium from ceramic capacitors using a solvent-ligand process, with findings showing high purity recovery of Pd(II) under optimized conditions and minimal environmental impact compared to other methods. This sustainable approach to precious metal recovery contributes to the circular economy.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2022)
Review
Green & Sustainable Science & Technology
Siow Hwa Teo, Chi Huey Ng, Aminul Islam, G. Abdulkareem-Alsultan, Collin G. Joseph, Jidon Janaun, Yun Hin Taufiq-Yap, Shahjalal Khandaker, Gazi Jahirul Islam, Hussein Znad, Md Rabiul Awual
Summary: Textile dye is a significant water pollutant worldwide, especially in developing countries where dumping textile effluent is common. Recycling wastewater is an important option to reduce environmental pollution, and adsorption is a promising method for treating dye-contaminated water. This review critically assesses various adsorbents for dye removal, focusing on efficient adsorbents and cutting-edge processes.
JOURNAL OF CLEANER PRODUCTION
(2022)
Review
Biochemistry & Molecular Biology
Hussein Znad, Md. Rabiul Awual, Sri Martini
Summary: The presence of heavy metals in water poses serious threats to human health and the environment. Use of adsorbents derived from biomass, such as algal and seaweed biomass, is a promising and sustainable solution for heavy metal remediation. This review discusses recent developments in utilizing algal and seaweed biomass as potential sorbents and highlights relevant aspects for successful adsorption.
Article
Green & Sustainable Science & Technology
Phindile Madikizela, Shafick Hoossein, Richard K. Laubscher, Kevin Whittington-Jones, Mushtaque Ahmed, Nhamo Mutingwende, Jozef Ristvej, Roman Tandlich
Summary: This article provides a review and meta-analysis of the practical implications of disaster risk management related to ventilated improved latrines in South Africa. The results show that the in-situ treatment and breakdown of faecal sludge in these latrines is not always effective and anaerobic digestion may not always be feasible. New strategies, such as specifying dimensions, using novel sanitation additives, and regular maintenance, are proposed to manage sanitation-related risks. The implementation of these strategies should be enhanced by the application of technology assessment in sanitation service delivery in South Africa.
Review
Engineering, Electrical & Electronic
Mohammad Raza Miah, Minghui Yang, Shahjalal Khandaker, M. Mahbubul Bashar, Abdulmohsen Khalaf Dhahi Alsukaibi, Hassan M. A. Hassan, Hussein Znad, Md Rabiul Awual
Summary: Smart and precise sensing is crucial for environment protection and personal security in modern civilized society. Polypyrrole (PPy), as an emerging intelligent material, shows great potential in various applications. This article provides an overview of recent progress in PPy-based advanced sensing devices, discussing challenges, future development, and gas sensing mechanisms.
SENSORS AND ACTUATORS A-PHYSICAL
(2022)
Article
Soil Science
Manar Al-Toobi, Rhonda R. Janke, Muhammad Mumtaz Khan, Mushtaque Ahmed, Waleed M. Al-Busaidi, Abdul Rehman
Summary: Rapidly increasing global salinization of arable land poses a major threat to crop production, particularly in arid environments like Oman. Two studies were conducted to evaluate the impact of soil amendments on soil properties and cucumber seedling growth. The results showed that biochar and silica amendments improved soil organic matter and nutrient concentrations, and reduced the negative effects of salt stress on cucumber seedlings.
Article
Engineering, Environmental
Ammar Al Helal, Sarah Ajjaoui, Malik M. Mohammed, Ahmed Barificani, Hussein Znad
Summary: This study aims to investigate the efficacy of four transition metal catalysts (manganese, copper, nickel, and chromium) on the effectiveness of erythorbic acid as an oxygen scavenger. The outcome of the study demonstrated that nickel and chromium did not improve the oxygen removal rate, while copper exhibited notable results. Specifically, the copper (I) chloride solution proved to be the most efficient in reducing dissolved oxygen content to levels below 20 ppb.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2023)
Article
Chemistry, Multidisciplinary
Lijinhong Huang, Lihong Liu, Wanfu Huang, Bingxin Zhao, Zhangfeng Shen, Yaqing Bao, Hussein Znad
Summary: This study developed a novel nanostructured adsorbent using functionalized multi-walled carbon nanotubes and magnetic Fe3O4 nanoparticles, which can efficiently extract low concentration of lanthanum ions from water. The adsorbent exhibited high lanthanum adsorption capacity and excellent recovery efficiency.
