Sustainable methodical approaches to recycling sludge waste: value-added products, and their agricultural applications by Abas Siraj Hamda, Tesfaye Kassaw Bedru, Mani Jayakumar, Workisa Bacha Garuma

“… Purpose: This review addresses the important global issue of increased sludge accumulation from wastewater treatment plants, which poses serious environmental challenges due to heavy metals and high levels of organic pollution. …”
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Studies of Adsorption of Heavy Metals onto Spent Coffee Ground: Equilibrium, Regeneration, and Dynamic Performance in a Fixed-Bed Column by N. E. Davila-Guzman, F. J. Cerino-Córdova, M. Loredo-Cancino, J. R. Rangel-Mendez, R. Gómez-González, E. Soto-Regalado

“…The results obtained showed the potential of SCG as a low-cost material for wastewater metal removal in continuous systems.…”
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Retrospective trend analysis of biocides in suspended particulate matter of major German rivers by Georg Dierkes, Susanne Schmidt, Christiane Meier, Korinna Ziegler, Jan Koschorreck, Arne Wick

“…In general, for most compounds, concentrations were higher for locations with higher wastewater proportion, but overall no clear differences in biocide concentration pattern between the different sampling locations were observed. …”
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Synergistic effect of magnetic magnetite and greigite nanoparticles dispersed pinewood biochar for aqueous lead(II) and cadmium(II) adsorption by Prashan M. Rodrigo, Raghava R. Kommalapati

“…This study enhanced the understanding of adsorption characteristics for a treatment facility that can effectively remediate lead and cadmium-contaminated wastewater. While there have been studies on using biochar and nanoparticles separately for Pb2+ and Cd2+ adsorption, this research bridges the gap by demonstrating the synergistic effect for Pb2+ and Cd2+ adsorption from hybrid magnetite-greigite nanoparticles.…”
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Comparison of column adsorption processes by downflow and upflow for removal of cupric (Cu2+) ion solutions using non activated and activated charcoal from rambutan (Nephelium lapp... by Bode Haryanto, Sofyan Efendi Saragih, Hamidah Harahap, Tubagus Rayyan Fitra Sinuhaji, Vikram Alexander

“…The escalating environmental threat of heavy metal pollution particularly copper ions emphasizes the importance of wastewater treatment methods. A practical approach is adsorption using plant biomass. …”
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Current scenario of emerging pollutants in farmlands and water reservoirs: Prospects and challenges by Muhammad Fahad Sardar, Fazila Younas, Hongna Li, Jawad Ali, Pengcheng Zhu, Xiaona Yu, Zhaojie Cui, Weihua Guo

“…The increasing application of treated wastewater or biosolids as irrigation water or soil conditioners, mainly when derived from untreated sewage sludge, can introduce pharmaceuticals and MPs into the farmlands, merging these pollutants within the soil medium. …”
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Insights into depolymerization of chitosan using acid hydrolysis, direct photolysis, and photocatalysis: A review by Nurul Amanina A. Suhaimi, Nur Batrisyia Amirul, Alessandra Anne Hasman, Nurulizzatul Ningsheh M. Shahri, Nur Nabaahah Roslan, Harry Lik Hock Lau, Cristina Pei Ying Kong, Eny Kusrini, Anwar Usman

“…This review summarizes physical, chemical, and biological properties of chitosan, and applications of this biopolymer especially in pharmaceutical formulation, medicine, biomedicine, agriculture, and wastewater treatment, and insights into methodology, mechanism, and advantages of depolymerization of chitosan using acid hydrolysis, direct photolysis, and photocatalysis, as well as their challenges and limitations in terms of environmental concerns, chemical structure conservation, controllability, and toxicity. …”
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Colorimetric and Naked-Eye Detection of Inorganic Arsenic in Water using BF2-Curcumin and Silica Nanoparticle-BF2-Curcumin Sheets by Farshid Ghorbani, Sheyda Mohammadi Isaabad

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The clean analysis process of Mn2+ for industries: a comparative study on direct determination of high-concentration Mn2+ in solution using spectrophotometry by Yanli Xu, Fuyuan Xu, Yong Liu, Guangbin Zhu, Ying Chen, Ning Duan

“…It also poses significant environmental challenges as a primary pollutant in Mn-containing wastewater and hazardous materials. Effective monitoring and control of Mn2+ in these processes are vital for improving resource conversion efficiency and minimizing pollutant production. …”
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Heavy Metal Ion Adsorption Properties of Methacrylamidocysteine-Containing Porous Poly(Hydroxyethyl Methacrylate) Chelating Beads by Adil Denizli, Bora Garipcan, Sibel Emir, Süleyman Patir, Ridvan Say

“…The adsorption of heavy metal ions from artificial wastewater was also studied. In this case, the adsorption capacities were 52.2 mg/g for Cd II , 23.1 mg/g for Cr III , 83.4 mg/g for Hg II , 62.6 mg/g for Pb II and 11.1 mg/g for As III at an initial metal ion concentration of 0.5 mmol/l. …”
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Factors Determining the Removal Efficiency of Procion MX in Waters Using Titanate Nanotubes Catalyzed by UV Irradiation by Vo Nguyen Xuan Que, Tran Tien Khoi, Nguyen Thi Thuy, Ta Thi Minh Dung, Dao Thi Thanh Binh, Nguyen Nhat Huy

“…The treatment of wastewater from the textile industry containing organic dyes faces many challenges since these compounds resist the biodegradation process in conventional treatment units. …”
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Human health risk from groundwater consumption: A case study in the Apaaso-Tafo Community in the Bono East Region of Ghana by Emmanuel Okyere, Ethel Bentil, Nana Adwoa Kusi-Addai, Lawson Mensah

“…In the Bono East region of Ghana, 94 % of solid waste and 89 % of wastewater are disposed of on the roadside without treatment, posing a contamination risk to water resources. …”
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Identification of a putative novel polycyclic aromatic hydrocarbon-biodegrading gene cluster in a marine Roseobacteraceae bacterium Sagittula sp. MA-2 by Mayuko Abe, Miharu Sakai, Robert A. Kanaly, Jiro F. Mori

“…The knowledge provided here expands our understanding of the physiology of Roseobacteraceae and may be applied to explore biotechnologically useful bacteria that contribute to the remediation of polluted marine environments or high-salinity wastewater.…”
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Efficient recovery of rare metal lanthanum from water by MOF-modified biochar: DFT calculation and dynamic adsorption by Qilan Huang, Qianru Zhang, Shuwen Zhao, Chuchen Zhang, Huixin Guan, Jianqiao Liu

“…To mitigate the growing scarcity of rare earth elements (REEs) and lessen their negative environmental effects, this work laid the path for effectively treating substantial volumes of wastewater produced while mining REEs. Highlights The novel composite adsorbent was prepared by MOF and biochar in situ growth method. …”
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P(AN-co-MMA) nanofiber membrane decorated with greenly synthesized nanoparticles for heavy metal removal: a competitive study by Abeer Syed, Enshirah Da’na, Amel Taha, Mohamed R El-Aassar, Adnan M Aldughaish

“…The presented eco-friendly nanocomposite presents a promising, efficient, and selective adsorbent for heavy metal removal from wastewater to address water pollution.…”
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Leveraging Interfacial Electric Field for Smart Modulation of Electrode Surface in Nitrate to Ammonia Conversion by Kouer Zhang, Yifan Xu, Fatang Liu, Qing Wang, Xiaohong Zou, Mingcong Tang, Michael K.H. Leung, Zhimin Ao, Xunhua Zhao, Xiao Zhang, Liang An

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Dual-Functional Fe₃O₄@SiO₂/Ag/AgCl Nanocomposites as Photocatalyst for Degrading Methylene Blue Dye Under Natural Light Irradiation by Kha Minh Nguyen, Nga Ngan Pham, Hien Thi-Thu Tran, Son Truong Nguyen

“…To mitigate this impact, various materials have been explored for their ability to remove dyes from wastewater. Among these, visible-light-responsive photocatalysts based on Ag nanomaterials have attracted considerable attention. …”
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Microbiota Landscape of Gut System of Guppy Fish (Poecilia reticulata) Plays an Outstanding Role in Adaptation Mechanisms by Christian Aimé Kayath, Armel Ibala Zamba, Joseph Goma-Tchimbakala, Victor Mamonékéné, Gloire Moniceth Mombo Makanga, Aimé Augustin Lebonguy, Etienne Nguimbi

“…Here, we collected guppy fish from hydrocarbon- and trace metal-contaminated wastewater to assess the relationships between gut microbiota and host fish adaptation. …”
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Valorization of mixed blackwater/agricultural wastes for bioelectricity and biohydrogen production: A microbial treatment pathway by G. Plason Z. Plakar, Abdulsalami S. Kovo, Kanayo L. Oguzie, Emeka E. Oguzie

“…The management of wastewater and agricultural wastes has been limited by the separate treatment processes, which exacerbate pollution and contribute to climate change through greenhouse gas emissions. …”
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Adsorption of Chromium(VI) onto Freshwater Snail Shell-Derived Biosorbent from Aqueous Solutions: Equilibrium, Kinetics, and Thermodynamics by Xuan Hoa Vu, Lan Huong Nguyen, Huu Tap Van, Dinh Vinh Nguyen, Thu Huong Nguyen, Quang Trung Nguyen, L. T. Ha

“…In conclusion, freshwater snail shells have the potential as a renewable adsorbent to remove toxic metals from wastewater.…”
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