Sustainable Chemistry for the Environment最新文献

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Modification of hydrochar derived from palm waste with thiourea to produce N, S co-doped activated carbon for supercapacitor 用硫脲改性棕榈废料产生的水炭,生产用于超级电容器的 N、S 共掺活性炭
Sustainable Chemistry for the Environment Pub Date : 2024-07-26 DOI: 10.1016/j.scenv.2024.100132
Heri Rustamaji , Tirto Prakoso , Hary Devianto , Pramujo Widiatmoko , Pramahadi Febriyanto , Mitra Eviani
{"title":"Modification of hydrochar derived from palm waste with thiourea to produce N, S co-doped activated carbon for supercapacitor","authors":"Heri Rustamaji ,&nbsp;Tirto Prakoso ,&nbsp;Hary Devianto ,&nbsp;Pramujo Widiatmoko ,&nbsp;Pramahadi Febriyanto ,&nbsp;Mitra Eviani","doi":"10.1016/j.scenv.2024.100132","DOIUrl":"10.1016/j.scenv.2024.100132","url":null,"abstract":"<div><p>This study examines modifying hydrochar from biomass to produce N, S codoped activated carbon for supercapacitor applications. Hydrochar was created from oil palm empty fruits bunch with the activating agent CaCl<sub>2</sub> at 275 °C for 60 minutes. Hydrochar modification was carried out by the impregnation method in thiourea solution for 2 hours and impregnation ratio (1, 2, and 3) and continued the activation process at 800 °C for 120 minutes. The in-depth exploration of porosity unveiled a distinct pattern, as the progressive increase in impregnation ratio exerted a corresponding dampening effect on the activated carbon's surface area (151.57−234.56 m<sup>2</sup> g<sup>−1</sup>). Subsequent engagement in electrochemical scrutiny, facilitated by a meticulously designed two-electrode system, revealed a pinnacle in capacitance performance, culminating at an impressive 135.12 F g<sup>−1</sup>at 0.5 A g<sup>−1</sup> The energy and power densities achieved remarkable magnitudes in concert, scaling up to 3.4 Wh kg<sup>−1</sup> and 202.6 W kg<sup>−1</sup>, respectively. Demonstrating robustness through the crucible of a 5000-cycle durability evaluation, the modified activated carbon-based supercapacitor emerged with unswerving capacitance retention and coulombic efficiency, each clocking in at a steadfast 106 % and 95 %. The discerning insights drawn from this inquiry underscore that the strategic incorporation of N, S-modification via thiourea engenders a qualitative enhancement within the supercapacitor's performance domain.</p></div>","PeriodicalId":101196,"journal":{"name":"Sustainable Chemistry for the Environment","volume":"7 ","pages":"Article 100132"},"PeriodicalIF":0.0,"publicationDate":"2024-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949839224000750/pdfft?md5=70aefcdba8ce0b0c1771f3af79c2db14&pid=1-s2.0-S2949839224000750-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141847365","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fabrication of xyloglucan-based zirconium (IV) selenophosphate nanostructure for removal of deflazacort and antimicrobial applications 制备木聚糖基硒磷酸锆 (IV) 纳米结构,用于去除地氟沙星和抗菌应用
Sustainable Chemistry for the Environment Pub Date : 2024-07-26 DOI: 10.1016/j.scenv.2024.100131
Ajay Sharma , Manita Thakur , Ajay Kumar , Deepak Pathania , Arush Sharma
{"title":"Fabrication of xyloglucan-based zirconium (IV) selenophosphate nanostructure for removal of deflazacort and antimicrobial applications","authors":"Ajay Sharma ,&nbsp;Manita Thakur ,&nbsp;Ajay Kumar ,&nbsp;Deepak Pathania ,&nbsp;Arush Sharma","doi":"10.1016/j.scenv.2024.100131","DOIUrl":"10.1016/j.scenv.2024.100131","url":null,"abstract":"<div><p>In this study, we synthesized Zr(IV) selenophosphate/xyloglucan (ZSPT/XG) bio-nanoparticles and investigated their uses in photocatalysis and antibacterial activities. The prepared ZSPT/XG bio-nanoparticles were characterized by using X-ray diffraction analysis (XRD), X-ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy (FTIR), field emission scanning electron microscope (FESEM), high-resolution transmission electron microscopy (HRTEM), Thermogravimetric analysis (TGA), Elemental analysis and UV–vis techniques. The XRD spectrum revealed the amorphous nature of the ZSPT/XG. The photocatalytic activity of ZSPT/XG bio-nanoparticles was investigated for the degradation and mineralization of deflazacort as pharmaceutical effluent from wastewaters and ZSPT/XG bio-nanoparticles demonstrated degradation of 87.04 % of deflazacort after 180 min of solar light exposure. Effect of reaction parameters of photodegradation reaction were also studied. The degradation efficiency greatly influenced by pKa value of pharmaceutical effluent and pzc value of bio-nanoparticle. The deflazacort degradation route was evaluated by Liquid Chromatography-Mass Spectrometry (LC-MS). ZSPT/XG bio-nanoparticles were tested for antibacterial activity against <em>S. aureus</em> and <em>E. coli</em> bacteria.</p></div>","PeriodicalId":101196,"journal":{"name":"Sustainable Chemistry for the Environment","volume":"7 ","pages":"Article 100131"},"PeriodicalIF":0.0,"publicationDate":"2024-07-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949839224000749/pdfft?md5=d5d2cb6dade30b8cbf46d9e2d3674db9&pid=1-s2.0-S2949839224000749-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141849703","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Biomimetic and ecological perspective towards decolorization of industrial important Azo dyes using bacterial cultures – A review 利用细菌培养物对重要的工业偶氮染料进行脱色的生物模拟和生态学视角 - 综述
Sustainable Chemistry for the Environment Pub Date : 2024-06-25 DOI: 10.1016/j.scenv.2024.100130
Ramaprabha Kumaravel, Venkat Kumar Shanmugam
{"title":"Biomimetic and ecological perspective towards decolorization of industrial important Azo dyes using bacterial cultures – A review","authors":"Ramaprabha Kumaravel,&nbsp;Venkat Kumar Shanmugam","doi":"10.1016/j.scenv.2024.100130","DOIUrl":"https://doi.org/10.1016/j.scenv.2024.100130","url":null,"abstract":"<div><p>Advanced industrialization requires an enormous amount of water, dyes, and chemicals, and it continuously releases toxic effluents into the environment and water bodies. In textile, paper, leather, and other industries, dyes are the compounds being used to provide color to the substances. Among all of the dyes utilized in the dyeing sector, azo dyes contribute about 60 % of all dyestuffs used globally. Synthetic dyes harm the aesthetic qualities of water resources by elevating COD (Chemical oxygen demand) and BOD (Biological oxygen demand), toxic substances, turbidity, hindering photosynthesis, stifling plant development, contaminating the food chain, inducing recalcitrance, and accumulation, and effectively stimulating toxicity, carcinogenicity, as well as mutagenicity. To minimize negative impacts on the surroundings, people, and natural water bodies, wastewater comprising dye pollutants must be removed effectively through eco-friendly technology. As a result, treatment of these textile effluents is required before they are eliminated into the surroundings. Physical, chemical, physio-chemical, and biological methods are among those used for treating textile wastewater. Biological methods, such as treatment with bacteria, bacterial enzymes, fungi, and plants, were used due to their environment-friendly and cost-effective method. The classification of dyes and their degradation mechanism by bacteria are addressed in this paper.</p></div>","PeriodicalId":101196,"journal":{"name":"Sustainable Chemistry for the Environment","volume":"7 ","pages":"Article 100130"},"PeriodicalIF":0.0,"publicationDate":"2024-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949839224000737/pdfft?md5=742d2c9ba0a201206d54991403733ffc&pid=1-s2.0-S2949839224000737-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141483030","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A comprehensive review of the oxidation states of molybdenum oxides and their diverse applications 全面回顾钼氧化物的氧化态及其各种应用
Sustainable Chemistry for the Environment Pub Date : 2024-06-18 DOI: 10.1016/j.scenv.2024.100125
Abdul Aziz Shaikh , Jyoti Bhattacharjee , Preetam Datta , Subhasis Roy
{"title":"A comprehensive review of the oxidation states of molybdenum oxides and their diverse applications","authors":"Abdul Aziz Shaikh ,&nbsp;Jyoti Bhattacharjee ,&nbsp;Preetam Datta ,&nbsp;Subhasis Roy","doi":"10.1016/j.scenv.2024.100125","DOIUrl":"https://doi.org/10.1016/j.scenv.2024.100125","url":null,"abstract":"<div><p>Molybdenum oxide, belonging to the transition metal group, has garnered significant attention due to its diverse chemical properties, leading to extensive research in various fields. It manifests in multiple forms, including molybdenum oxides (MoO<sub>2</sub> and MoO<sub>3</sub>), each showcasing distinct features. Their remarkable adaptability finds applications across different disciplines. This comprehensive review delves into the various oxidation states of molybdenum oxide, elucidating their unique features and applications across sectors such as solar cells, catalysts, gas sensors, electrochromic devices, batteries, and more. Additionally, the paper explores the utilization of molybdenum oxide in the petroleum and chemical industries, highlighting its multifaceted applications. This review examines its distinct features and underscores its potential as a material with significant promise for advancing technological innovation.</p></div>","PeriodicalId":101196,"journal":{"name":"Sustainable Chemistry for the Environment","volume":"7 ","pages":"Article 100125"},"PeriodicalIF":0.0,"publicationDate":"2024-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949839224000683/pdfft?md5=d404650075264c0f5919ca7cbd2a4d88&pid=1-s2.0-S2949839224000683-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141438003","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Converting food waste to biofuel: A sustainable energy solution for Sub-Saharan Africa 将食物垃圾转化为生物燃料:撒哈拉以南非洲的可持续能源解决方案
Sustainable Chemistry for the Environment Pub Date : 2024-06-15 DOI: 10.1016/j.scenv.2024.100126
Ramadhani Bakari , Ripanda Asha , Miraji Hossein , Xiao Huang , N.F. Islam , Rock Keey Liew , Mahesh Narayan , Su Shiung Lam , Hemen Sarma
{"title":"Converting food waste to biofuel: A sustainable energy solution for Sub-Saharan Africa","authors":"Ramadhani Bakari ,&nbsp;Ripanda Asha ,&nbsp;Miraji Hossein ,&nbsp;Xiao Huang ,&nbsp;N.F. Islam ,&nbsp;Rock Keey Liew ,&nbsp;Mahesh Narayan ,&nbsp;Su Shiung Lam ,&nbsp;Hemen Sarma","doi":"10.1016/j.scenv.2024.100126","DOIUrl":"10.1016/j.scenv.2024.100126","url":null,"abstract":"<div><p>Natural gas, coal, and oil account for over 84 % of the world’s energy demand. Greenhouse gases, including carbon dioxide, methane, and oxides of nitrogen and sulphur, are released during the combustion of fossil fuels, leading to substantial climate changes and environmental damage. Therefore, harnessing energy from alternative sustainable resources without the emission of harmful waste products is vital for the ecosystem’s health. By 2050, global food waste production will reach 3.4 billion metric tons. Although widely recognized as a substantial energy resource, its value is underutilized throughout sub-Saharan Africa (SSA). Therefore, understanding and exploiting the potential value of food waste as a biofuel can result in net-zero emissions, reducing significant environmental pollution while conserving natural resources. Furthermore, this paper reviews how effective management of food waste will have the potential to contribute to the development of waste-to-energy resources in SSA countries, as well as help improve global ecosystems.</p></div>","PeriodicalId":101196,"journal":{"name":"Sustainable Chemistry for the Environment","volume":"7 ","pages":"Article 100126"},"PeriodicalIF":0.0,"publicationDate":"2024-06-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949839224000695/pdfft?md5=52aa27e9b9b0d882b7993c5b51415e03&pid=1-s2.0-S2949839224000695-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141408146","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tandem hydroformylation-amine condensation and reduction of canola fatty acid methyl esters for production of diesel renewable antioxidant additives 串联氢甲酰化-胺缩合和还原油菜籽脂肪酸甲酯,用于生产柴油可再生抗氧化添加剂
Sustainable Chemistry for the Environment Pub Date : 2024-06-14 DOI: 10.1016/j.scenv.2024.100121
Romulo C. Dutra , Luiza F. Carvalho , Grace F. Ghesti , Paulo A.Z. Suarez
{"title":"Tandem hydroformylation-amine condensation and reduction of canola fatty acid methyl esters for production of diesel renewable antioxidant additives","authors":"Romulo C. Dutra ,&nbsp;Luiza F. Carvalho ,&nbsp;Grace F. Ghesti ,&nbsp;Paulo A.Z. Suarez","doi":"10.1016/j.scenv.2024.100121","DOIUrl":"10.1016/j.scenv.2024.100121","url":null,"abstract":"<div><p>A canola fatty acid methyl esters (FAME) mixture was synthesized through transesterification and modified by rhodium homogeneous tandem hydroformylation-amine condensation, with primary amines, yielding imine products. The obtained imines were reduced by maceration with sodium borohydride and alumina, yielding secondary amine products. The synthesized fatty imines and amines were evaluated as additives for commercial diesel and biodiesel on concentrations of 0.5 and 1.0 %, while tested for oxidative stability fallowing the EN14112 standard method. The tested amino products exhibited higher oxidative stability, which justifies its application as antioxidant additives, while the diesel blends did not show expressive physicochemical modifications. The modified amino-FAME antioxidant performance, justifies a renewable biorefinery application, extend the biodiesel shelf-life prior to diesel blending, complies with UN’s Sustainable Development Goals (SDGs) and if prepared from residues, enhance the circular economy appeal.</p></div>","PeriodicalId":101196,"journal":{"name":"Sustainable Chemistry for the Environment","volume":"7 ","pages":"Article 100121"},"PeriodicalIF":0.0,"publicationDate":"2024-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949839224000646/pdfft?md5=a47c8c37687134efd6653a67f18c096c&pid=1-s2.0-S2949839224000646-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141408890","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Integrated products biorefinery options within the Swedish pulp and paper industry: Current status 瑞典纸浆和造纸业的综合产品生物精炼选择:现状
Sustainable Chemistry for the Environment Pub Date : 2024-06-12 DOI: 10.1016/j.scenv.2024.100128
Swarnima Agnihotri, Ilona Sárvári Horváth
{"title":"Integrated products biorefinery options within the Swedish pulp and paper industry: Current status","authors":"Swarnima Agnihotri,&nbsp;Ilona Sárvári Horváth","doi":"10.1016/j.scenv.2024.100128","DOIUrl":"https://doi.org/10.1016/j.scenv.2024.100128","url":null,"abstract":"<div><p>Pulp and paper manufacturing ranks as one of the most water and energy-intensive sectors globally, invariably leading to significant environmental pollution e.g. issues related to air pollution and waste disposal. Also, as global competition intensifies, prices of forest products are expected to keep decreasing. To ensure their viability, traditional producers must augment their revenue streams by diversifying into the production of bioenergy and biomaterials, alongside traditional wood, pulp, and paper products. A feasible solution is the integrated products biorefineries which provide a distinctive chance to pulp and paper industry to enhance revenues as well as reduce their environmental impact. Since pulp and paper stands as the predominant industry in Sweden, this review article explores the emerging biorefinery process options and main technological pathways being developed within Swedish pulp and paper mills. It also delves into the significant challenges that are being encountered in this evolving landscape and what possibilities lie ahead for responsible and sustainable pulp and paper operations.</p></div>","PeriodicalId":101196,"journal":{"name":"Sustainable Chemistry for the Environment","volume":"7 ","pages":"Article 100128"},"PeriodicalIF":0.0,"publicationDate":"2024-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949839224000713/pdfft?md5=a8a58d23bc16113983c8f8a766fbb61c&pid=1-s2.0-S2949839224000713-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141324274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fractionation and characterization of Dunaliella microalgal biomass and extraction of carotenoids 杜莎藻生物质的分馏和表征以及类胡萝卜素的提取
Sustainable Chemistry for the Environment Pub Date : 2024-06-12 DOI: 10.1016/j.scenv.2024.100129
Georgios Iakovou , Savvas Kavoukis , Antigoni Margellou , Stylianos Torofias , Georgia Papapanagiotou , Manthos Panou , Christos Giannakopoulos , Georgia Florokapi , Georgios Zalidis , Spyros Gkelis , Konstantinos Triantafyllidis
{"title":"Fractionation and characterization of Dunaliella microalgal biomass and extraction of carotenoids","authors":"Georgios Iakovou ,&nbsp;Savvas Kavoukis ,&nbsp;Antigoni Margellou ,&nbsp;Stylianos Torofias ,&nbsp;Georgia Papapanagiotou ,&nbsp;Manthos Panou ,&nbsp;Christos Giannakopoulos ,&nbsp;Georgia Florokapi ,&nbsp;Georgios Zalidis ,&nbsp;Spyros Gkelis ,&nbsp;Konstantinos Triantafyllidis","doi":"10.1016/j.scenv.2024.100129","DOIUrl":"10.1016/j.scenv.2024.100129","url":null,"abstract":"<div><p>This paper presents findings on the application of two fractionation protocols of <em>Dunaliella</em> microalgal biomass with the aim to separate and recover the lipid, pigment and protein fraction, leaving as “residue” the fraction that contains carbohydrates. The first protocol (LPC) is based on the initial extraction of lipids, followed by extraction of proteins, while in the second protocol (CLP), the pigments are first extracted followed by lipids extraction. With the LPC protocol the recovered lipid fraction was 34 and 32 wt%, while the recovered proteinic fraction was 46 and 50 wt% for the two samples under study, i.e. 1120 (<em>D. granulata</em>) and 1220 (<em>D. minutissima</em>). The CLP protocol led to the initial extraction of the pigment fraction with a percentage of 10–15 wt% while the subsequently recovered lipidic fraction was 16–24 wt%. The initial biomass was characterized for its moisture (&lt;0.7 wt% for both samples), ash (approx. 45 wt% for both samples), organic matter, elemental composition and higher heating value (HHV) which was 23 and 30 MJ/kg (organic matter based-OMB). The composition of the lipid fraction was analyzed via esterification and gas chromatography (GC-FID) showing C16 and C18 as the predominant acids in the samples. The residue/carbohydrate fraction was analyzed via acid hydrolysis and analysis by high pressure liquid chromatography (HPLC) showing about 20 wt% (-OMB) content of carbohydrates. The high ash content of the biomass was found to be co-extracted during the fractionation protocols at a percentage of ≈49 % in the lipidic fraction and 45 % in the proteinic fraction. Furthermore, emphasis was given on pigment extraction and recovery using various solvents and quantification methods. Measurements of β-carotene, carotenoids, and chlorophyll content through UV and HPLC analyses is presented with chlorophyl and carotenoid content being ≈12 wt% and ≈9 wt% for samples 1120 and 1220 (-OMB). Additionally, a comparison between three solvents (THF, dichloromethane, acetone) was performed regarding their ability to extract the pigments from the microalgal biomass showing that acetone is capable of extracting pigments when concentration of the pigments is not high. The comparison of the HPLC with the UV method, suggested that UV spectroscopy is a reliable and rapid alternative for pigments determination, while HPLC enables identification and quantitative determination of specific pigments and chlorophyll species. The study provides insights for different fractionation protocols applied in two not yet fully studied <em>Dunaliella</em> species as well as the chlorophyl and carotenoid content.</p></div>","PeriodicalId":101196,"journal":{"name":"Sustainable Chemistry for the Environment","volume":"7 ","pages":"Article 100129"},"PeriodicalIF":0.0,"publicationDate":"2024-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949839224000725/pdfft?md5=d8e92de9d5e7f1844724df76048f2c77&pid=1-s2.0-S2949839224000725-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141405344","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Repurposing lignin rich biorefinery waste streams into the next generation of sustainable solid fuels 将富含木质素的生物精炼废料流重新转化为下一代可持续固体燃料
Sustainable Chemistry for the Environment Pub Date : 2024-06-11 DOI: 10.1016/j.scenv.2024.100123
Martin J. Taylor , Karl Hornsby , Kin Wai Cheah , Peter Hurst , Simon Walker , Vasiliki Skoulou
{"title":"Repurposing lignin rich biorefinery waste streams into the next generation of sustainable solid fuels","authors":"Martin J. Taylor ,&nbsp;Karl Hornsby ,&nbsp;Kin Wai Cheah ,&nbsp;Peter Hurst ,&nbsp;Simon Walker ,&nbsp;Vasiliki Skoulou","doi":"10.1016/j.scenv.2024.100123","DOIUrl":"https://doi.org/10.1016/j.scenv.2024.100123","url":null,"abstract":"<div><p>Value added lignin rich waste sludges from biorefinery processes are, as yet untapped valuable feedstocks that can be reformed into clean, high quality solid fuels. By water washing sludges produced from base hydrolyzed waste, a material stripped of water-soluble alkali and alkaline earth metals (ash) can be obtained. This work shows how leached bagasse, barley and wheat straw sludges can be valorised into clean, low ash solid biofuels that can be used to supplement global energy demands. Repurposed lignin rich sludges of 1.00–2.00 mm particle size feedstocks were found to exhibit calorific values +17.3 %, +16.8 % and +11.7 % for bagasse, wheat, and barley straw sludges, respectively higher than their untreated waste counterparts. Additionally, by employing densification in the absence of a binder, &lt;0.25 mm particles of leached sludge feedstocks were found to experience 16.0 % (bagasse), 12.0 % (wheat) and 4.0 % (barley) increases to their calorific values. This provides options for sustained energy from waste production and consumption campaigns, diversifying feedstock options for green solid fuels</p></div>","PeriodicalId":101196,"journal":{"name":"Sustainable Chemistry for the Environment","volume":"7 ","pages":"Article 100123"},"PeriodicalIF":0.0,"publicationDate":"2024-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S294983922400066X/pdfft?md5=31e2a5a4a4de26ea1651ca3d235f0200&pid=1-s2.0-S294983922400066X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141324273","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Revitalizing the circular economy: An exploration of e-waste recycling approaches in a technological epoch 振兴循环经济:探索技术时代的电子废物回收方法
Sustainable Chemistry for the Environment Pub Date : 2024-06-10 DOI: 10.1016/j.scenv.2024.100124
Ahmed M. Elgarahy , M.G. Eloffy , A.K. Priya , Ahmed Hammad , Moustafa Zahran , Ali Maged , Khalid Z. Elwakeel
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