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JOURNAL ARTICLE
Xue-Bin Chen, Jiong-Feng Liang, Wei Li
As one of the key materials used in the civil engineering industry, concrete has a global annual consumption of approximately 10 billion tons. Cement and fine aggregate are the main raw materials of concrete, and their production causes certain harm to the environment. As one of the countries with the largest production of industrial solid waste, China needs to handle solid waste properly. Researchers have proposed to use them as raw materials for concrete. In this paper, the effects of different lithium slag (LS) contents (0%, 10%, 20%, 40%) and different substitution rates of recycled fine aggregates (RFA) (0%, 10%, 20%, 30%) on the axial compressive strength and stress-strain curve of concrete are discussed...
2024: PloS One
#2
JOURNAL ARTICLE
Bin Lyu, Zhuo Guo, Dangge Gao, Yingying Zhou, Shihao Guo, Jiamin Zhu, Jianzhong Ma
Designing and developing high-performance shielding materials against electromagnetic interference is of utmost importance due to the rapid advancement of wireless telecommunication technologies. Such materials hold both fundamental and technological significance. A three-stage process is presented for creating ultralight, flexible aerogels from biomass to shield against electromagnetic interference. Collagen fibers sourced from leather solid waste are used for: (i) freeze-drying preparation of collagen fibers/poly(vinyl alcohol) (PVA) aerogels, (ii) adsorption of silver nanowires (AgNWs) onto collagen fiber/PVA aerogels, and (iii) Hydrophobic modification of collagen fiber/PVA/AgNWs aerogels with 1H, 1H, 2H, 2H-perfluorodecyltriethoxysilane (POTS)...
April 18, 2024: Langmuir: the ACS Journal of Surfaces and Colloids
#3
JOURNAL ARTICLE
Gehad Ismail Sayed, Mohamed Abd Elfattah, Ashraf Darwish, Aboul Ella Hassanien
Resource recycling is considered necessary for sustainable development, especially in smart cities where increased urbanization and the variety of waste generated require the development of automated waste management models. The development of smart technology offers a possible alternative to traditional waste management techniques that are proving insufficient to reduce the harmful effects of trash on the environment. This paper proposes an intelligent waste classification model to enhance the classification of waste materials, focusing on the critical aspect of waste classification...
April 18, 2024: Environmental Science and Pollution Research International
#4
JOURNAL ARTICLE
Mohd Razali Shamsuddin, Siow Hwa Teo, Tengku Sharifah Marliza Tengku Azmi, Azizul Hakim Lahuri, Yun Hin Taufiq-Yap
Alkali sludge (AS) is waste abundantly generated from solar photovoltaic (PV) solar cell industries. Since this potential basic material is still underutilized, a combination with NiO catalyst might greatly influence coke resentence, especially in high-temperature thermochemical reactions (Arora and Prasad, RSC Adv. 6:108,668-108688, 2016). This paper investigated alkaline sludge containing 3CaO-2SiO2 doped with well-known NiO to enhance the dry reforming of methane (DRM) reaction. The wet-impregnation method was used to prepare the xNiO/AS (x = 5-15%) catalysts...
April 18, 2024: Environmental Science and Pollution Research International
#5
JOURNAL ARTICLE
Sasinan Bupphathong, Joshua Lim, Hsu-Wei Fang, Hsuan-Ya Tao, Chen-En Yeh, Tian-An Ku, Wei Huang, Ting-Yu Kuo, Chih-Hsin Lin
Tissue engineering primarily aimed to alleviate the insufficiency of organ donations worldwide. Nonetheless, the survival of the engineered tissue is often compromised due to the complexity of the natural organ architectures, especially the vascular system inside the organ, which allows food-waste transfer. Thus, vascularization within the engineered tissue is of paramount importance. A critical aspect of this endeavor is the ability to replicate the intricacies of the extracellular matrix and promote the formation of functional vascular networks within engineered constructs...
April 18, 2024: ACS Biomaterials Science & Engineering
#6
JOURNAL ARTICLE
Mingxing Zhang, Xuanzhi Mao, Junchang Chen, Linwei He, Yumin Wang, Xiaofang Zhao, Fan Zhang, Fuqiang Zhao, Kai Zhang, Guozhong Wu, Zhifang Chai, Shuao Wang
Two-dimensional covalent organic frameworks (2D COFs), featuring a large surface area and 1D pore structure, serve as promising scaffolds for anchoring functional guest compounds, which can significantly enhance their performance and thus expand their potential applications. Postsynthetic strategy for COFs functionalization is versatile but challenging because of their tedious procedure with high time and energy consumption, generation of excess reaction waste, and damage to COF crystallinity. We report in this work a general strategy for the synthesis of inorganic nanocompound-functionalized COF composites in a one-pot way...
April 18, 2024: ACS Applied Materials & Interfaces
#7
JOURNAL ARTICLE
Ion Olazabal, Emelin J Luna Barrios, Steven De Meester, Coralie Jehanno, Haritz Sardon
Although multiple methods have been reported in the literature for the chemical recycling of poly(ethylene terephthalate) (PET), large-scale depolymerization is not yet widely employed. The main reasons for the limited adoption of chemical recycling of PET are the harsh conditions required and the lack of selectivity. In this study, the organocatalytic glycolysis of PET mediated by organic bases at low temperatures is studied, and routes to avoid the deactivation of the catalyst are explored. It is shown that the formation of terephthalic acid by uncontrolled hydrolysis leads to issues which can be resolved using potassium tert -butoxide as a cocatalyst...
April 12, 2024: ACS applied polymer materials
#8
JOURNAL ARTICLE
Xuan Liu, Jay R Turner, Christopher R Oxford, Jacob McNeill, Brenna Walsh, Emmie Le Roy, Crystal L Weagle, Emily Stone, Haihui Zhu, Wenyu Liu, Zilin Wei, Nicole P Hyslop, Jason Giacomo, Ann M Dillner, Abdus Salam, Al-Amin Hossen, Zubayer Islam, Ihab Abboud, Clement Akoshile, Omar Amador-Muñoz, Nguyen Xuan Anh, Araya Asfaw, Rajasekhar Balasubramanian, Rachel Ying-Wen Chang, Craig Coburn, Sagnik Dey, David J Diner, Jinlu Dong, Tareq Farrah, Paterne Gahungu, Rebecca M Garland, Michel Grutter de la Mora, Sina Hasheminassab, Juanette John, Jhoon Kim, Jong Sung Kim, Kristy Langerman, Pei-Chen Lee, Puji Lestari, Yang Liu, Tesfaye Mamo, Mathieu Martins, Olga L Mayol-Bracero, Mogesh Naidoo, Sang Seo Park, Yoav Schechner, Robyn Schofield, Sachchida N Tripathi, Eli Windwer, Ming-Tsang Wu, Qiang Zhang, Michael Brauer, Yinon Rudich, Randall V Martin
Global ground-level measurements of elements in ambient particulate matter (PM) can provide valuable information to understand the distribution of dust and trace elements, assess health impacts, and investigate emission sources. We use X-ray fluorescence spectroscopy to characterize the elemental composition of PM samples collected from 27 globally distributed sites in the Surface PARTiculate mAtter Network (SPARTAN) over 2019-2023. Consistent protocols are applied to collect all samples and analyze them at one central laboratory, which facilitates comparison across different sites...
April 12, 2024: ACS EST Air
#9
JOURNAL ARTICLE
Keshu, Manviri Rani, Uma Shanker
Herein, efficient degradation of hexabromocyclododecane (HBCD) and Lindane, a persistent organic pollutant using guar gum based calcium oxide doped silicon dioxide (GG-CaO@SiO2 ) has been reported. The nanocomposite was prepared by waste egg shell (CaO) and rice husk (SiO2 ) was well characterized. The maximum degradation of HBCD and Lindane were observed at 8 mg catalyst loading, basic pH, and 2 mg L-1 of pollutant amount. The photocatalytic performance of GG-CaO@SiO2 for HBCD and Lindane photodegradation was evaluated, and it was found that the rate constant increased in the order of GG-CaO@SiO2 > CaO@SiO2 > GG...
April 15, 2024: International Journal of Biological Macromolecules
#10
JOURNAL ARTICLE
Nan Pan, Xueru Sheng, Ruisen Shi, Haiyuan Jia, Jian Zhang, Na Li, Haiqiang Shi, Bing Wang, Qingwei Ping
Transparent wood (TW) has attracted much attention in the field of energy saving building structural materials because of its high light transmittance, good thermal insulation performance and good toughness. However, the polymeric resins used in the present study to impregnate lignin-based wood templates are usually derived from petroleum-based chemical resources, which pose a fatal threat to human beings both in terms of consuming large amounts of resources and causing environmental pollution problems. It is therefore important to develop alternatives to petroleum-derived chemicals in renewable natural resources...
April 15, 2024: International Journal of Biological Macromolecules
#11
JOURNAL ARTICLE
Purbashree Sarmah, Takeshi Katsumi, Atsushi Takai, Lincoln W Gathuka, Atsushi Yamawaki
Inert waste landfills are strictly limited to inert or non-reactive waste materials, nevertheless, due to human negligence or unavoidable circumstances, sometimes, small amounts of biodegradable or chemically reactive waste are mixed and disposed together with the inert waste. Over time, leachate generated from these biodegradable wastes may come into contact with rainfall water and percolate into groundwater and surrounding ground, degrading water quality. Additionally, the large sized industrial plastics present inside the inert waste landfill may trap and store the leachate thus enhancing the risk of contamination due to increased contact time and reducing the mechanical stability of the landfill...
April 16, 2024: Waste Management
#12
JOURNAL ARTICLE
Reza Sharafi, Gholamreza Salehi Jouzani, Ebrahim Karimi, Hosein Ghanavati, Mojegan Kowsari
Rice straw burning annually (millions of tons) leads to greenhouse gas emissions, and an alternative solution is producing humic acid with high added-value. This study aimed to examine the influence of a microbial consortium and other additives (chicken manure, urea, olive mill waste, zeolite, and biochar) on the composting process of rice straw and the subsequent production of humic acid. Results showed that among the fungal species, Thermoascus aurantiacus exhibited the most prominent impact in expediting maturation and improving compost quality, and Bacillus subtilis was the most abundant bacterial species based on metagenomics analysis...
April 17, 2024: World Journal of Microbiology & Biotechnology
#13
JOURNAL ARTICLE
Ratul Paul, Ashakiran Maibam, Rupak Chatterjee, Wenjing Wang, Triya Mukherjee, Nitumani Das, Masapogu Yellappa, Tanmay Banerjee, Asim Bhaumik, S Venkata Mohan, Ravichandar Babarao, John Mondal
Development of crystalline porous materials for selective CO2 adsorption and storage is in high demand to boost the carbon capture and storage (CCS) technology. In this regard, we have developed a β-keto enamine-based covalent organic framework ( VM-COF ) via the Schiff base polycondensation technique. The as-synthesized VM-COF exhibited excellent thermal and chemical stability along with a very high surface area (1258 m2 g-1 ) and a high CO2 adsorption capacity (3.58 mmol g-1 ) at room temperature (298 K)...
April 17, 2024: ACS Applied Materials & Interfaces
#14
JOURNAL ARTICLE
Kai Sun, Yu-Tao Cui, Shun-Jin Li, Bing-Li Wei, Yuan Wang, Hong-Bo Yang, Xiao-Zhong Wang, Wei Zhang
Presently, the improvement of soil organic matter is the basis to ensure food security, but the accumulation and transformation characteristics of soil phosphorus (P) as affected by organic matter remain unclear. The accumulation, transformation, and migration characteristics of soil P in different soil layers of vegetable fields were researched under the application of organic materials. Six treatments were set up in the experiment:control (no fertilization), traditional fertilizer application by farmers, biochar, chicken manure, food waste, and straw application...
May 8, 2024: Huan Jing Ke Xue= Huanjing Kexue
#15
JOURNAL ARTICLE
Rohit Rai, Rahul Ranjan, Chandra Kant, Prodyut Dhar
Generation of voluminous single-use plastic waste and byproducts from agricultural harvests such as rice straws (RSs) are major global challenges due to their disposal issues, contributing to greenhouse gas emissions, and affecting the ecological system with threats to human health. A scalable, low-cost, and eco-friendly strategy for fabricating cellulose-silica-based drinking straws, free from microplastics and adhesive, through strategic valorization of RS is reported. Functionalization by delignification- cum -crosslinking of RS leads to development of straws with high water stability (∼5 days), solvothermal stability (0°C-95°C), tensile strength (128 MPa), low migration values (<60 mg/kg), improved biodegradability (∼126 days) with reduced wettability and hydrophobicity...
May 17, 2024: IScience
#16
REVIEW
Suchitra Gaur, Mehak Kaur, Rishu Kalra, Eldon R Rene, Mayurika Goel
The recent growing interest in sustainable and alternative sources of energy and bio-based products has driven the paradigm shift to an integrated model termed "biorefinery." Biorefinery framework implements the concepts of novel eco-technologies and eco-efficient processes for the sustainable production of energy and value-added biomolecules. The utilization of microbial resources for the production of various value-added products has been documented in the literatures. However, the appointment of these microbial resources in integrated resource management requires a better understanding of their status...
April 30, 2024: Heliyon
#17
JOURNAL ARTICLE
Nofrijon Sofyan, Alry Mochtar Jamil, Aga Ridhova, Akhmad Herman Yuwono, Donanta Dhaneswara, Jeffrey W Fergus
The power conversion efficiency (PCE) of a dye-sensitized solar cell (DSSC) device depends on its semiconductor characteristics. Titanium dioxide (TiO2 ) nanoparticles are a semiconductor material commonly used in the DSSC device whose characteristics depend on the synthesis process. There are many routes to synthesize TiO2 , however, they typically involve hazardous approaches, which may cause risk to the environment. Green synthesis is an environmentally friendly alternative method using ecological solvents that eliminates toxic waste and reduces energy consumption...
April 30, 2024: Heliyon
#18
JOURNAL ARTICLE
Mamiki Ramokopelwa, Mabitja Moeta
BACKGROUND: The operating theatre (OT) complex of hospitals represents areas of considerable expenditure with regard to costs and requires maximum use to ensure optimum cost benefit for both patients and the hospital. Inefficient use of an operating theatre room (OTR) may result in hospital wasteful expenditure and frustrations for patients owing to surgery delays, cancellations and prolonged hospitalisation while waiting. AIM: The aim of the study was to explore and describe using a consensus method, factors impacting the use of an emergency orthopaedic theatre that can be optimised in a selected public hospital in Gauteng province...
2024: Health SA, SA Gesondheid
#19
JOURNAL ARTICLE
Yen Vy Do, Quynh Nhu Thi Le, Nguyen Huu Nghia, Ngoc Duc Vu, Nhi Thi Yen Tran, N T Bay, Thi Tuu Tran, Long Giang Bach, Tan Phat Dao
Soursop ( Annona muricata L.) fruit tea is a health-beneficial product that promotes economic development and addresses the issue of excessive agricultural waste. Prolonging the shelf-life of soursop fruit tea has been of scientific interest currently. This study evaluated the effects of three types of packaging materials of soursop fruit tea (e.g., paper, paper-combined Polyetylen (PE), and aluminum-combined PE) and different storage temperatures (5, 15, 30, and 45°C) on various product characteristics, total polyphenol content (TPC), total flavonoid content (TFC), total ascorbic acid (TAA), and 2,2-diphenyl-1-picryl hydrazyl (DPPH)/2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) free radical scavenging capacity during 4 weeks of storage...
April 2024: Food Science & Nutrition
#20
REVIEW
Muhammad Sajeed Abdul Hameed, Sreya Pacheeri Sreedharan, Purushothaman Sivapragasam, Samarshi Chakraborty, Chitra Devarajulu, Krishnasamy Sivagami
With ever-improving social and medical awareness about menstrual hygiene in India, the demand for sanitary napkins has increased significantly. The utilization of high-quality and environment-friendly raw materials to produce these pads is further supporting the growth of the market. However, with improving demand and usage, the need for proper disposal techniques becomes more relevant, since all of these pads get contaminated with human blood which makes them a biohazard and can cause significant damage to human health and the environment...
April 17, 2024: Environmental Science and Pollution Research International
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