Sustainable Chemistry One World最新文献_第5页

Phophorus and potassium recovery from cotton shell and sugarcane bagasse ashes 从棉壳和蔗渣灰中回收磷和钾

Sustainable Chemistry One World Pub Date : 2024-12-01 DOI: 10.1016/j.scowo.2024.100037

Samomssa Inna , Malele Dango Darnelle Ornella , Beng Arthur , Kamga Richard

{"title":"Phophorus and potassium recovery from cotton shell and sugarcane bagasse ashes","authors":"Samomssa Inna , Malele Dango Darnelle Ornella , Beng Arthur , Kamga Richard","doi":"10.1016/j.scowo.2024.100037","DOIUrl":"10.1016/j.scowo.2024.100037","url":null,"abstract":"<div><div>The use of cotton shell and sugarcane bagasse to produce fuel in SODECOTON and SOSUCAM Cameroonian industries respectively has contributed to the production of a huge amount of ash, which can be used as raw material to produce fertilizer. The goal of this study is to assess the interaction effects of the physico-chemical parameters on the recovery performance of phosphorus and potassium. The results show that, taking individually, sulfuric acid concentration (X<sub>1</sub>), time (X<sub>2</sub>) and temperature (X<sub>3</sub>) decreases the amount of recovered phosphorus from cotton shell ash (P<sub>CSA</sub>) while X<sub>1</sub> and X<sub>3</sub> increase the amount of recovered phosphorus from sugarcane bagasse ash (P<sub>SBA</sub>) and X<sub>2</sub> decrease P<sub>SBA</sub>. Acetic acid concentration (Y<sub>1</sub>), Stirring speed (Y<sub>2</sub>) decrease the amount of potassium recovered from cotton shell ash (K<sub>CSA</sub>) meanwhile Stirring time (Y<sub>3</sub>) positively influences K<sub>CSA</sub> and Y<sub>1,</sub> Y<sub>2</sub>, Y<sub>3</sub> increase the amount of potassium recovered from sugarcane bagasse ash (K<sub>SBA</sub>)<sub>.</sub> The results also revealed that the interactions X<sub>1</sub>X<sub>2</sub>, X<sub>1</sub>X<sub>3</sub>, X<sub>2</sub>X<sub>3</sub> increase P<sub>CSA.</sub> The interactions X<sub>1</sub>X<sub>2</sub>, X<sub>1</sub>X<sub>3</sub>, X<sub>2</sub>X<sub>3</sub> decrease P<sub>SBA</sub>. The interaction Y<sub>1</sub>Y<sub>2</sub> negatively influences K<sub>CSA</sub> while the interactions Y<sub>1</sub>Y<sub>3</sub> and Y<sub>2</sub>Y<sub>3</sub> positively influence K<sub>CSA</sub>. The interaction Y<sub>1</sub>Y<sub>2</sub> increases K<sub>SBA</sub> while the interaction Y<sub>1</sub> Y<sub>3</sub> and Y<sub>3</sub>Y<sub>2</sub> decrease K<sub>SBA.</sub> The use of experimental design permits to understand the effect of physico-chemical parameters.</div></div>","PeriodicalId":101197,"journal":{"name":"Sustainable Chemistry One World","volume":"5 ","pages":"Article 100037"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143143762","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Sustainable biodiesel production from waste cooking oil using highly effective CaO/hectorite catalyst: Process optimization, kinetic and thermodynamic studies. 利用高效氧化钙/百里石催化剂从废食用油中可持续生产生物柴油：工艺优化、动力学和热力学研究。

Sustainable Chemistry One World Pub Date : 2024-11-29 DOI: 10.1016/j.scowo.2024.100034

Md Golam Mustafa , Bhaskar Singh , Gajendra Prasad Singh , R.K. Dey

{"title":"Sustainable biodiesel production from waste cooking oil using highly effective CaO/hectorite catalyst: Process optimization, kinetic and thermodynamic studies.","authors":"Md Golam Mustafa , Bhaskar Singh , Gajendra Prasad Singh , R.K. Dey","doi":"10.1016/j.scowo.2024.100034","DOIUrl":"10.1016/j.scowo.2024.100034","url":null,"abstract":"<div><div>Biodiesel production through trans-esterification reaction requires design of efficient solid catalyst for sustainable use. This study reports a newly prepared CaO/hectorite catalyst for trans-esterification reaction of waste cooking oil (WCO). The catalyst material was prepared by wet impregnation method. Material characterization was done using various advanced instrumentation techniques such as FTIR, <sup>1</sup>H/<sup>13</sup>C NMR, XRD NMR, BET, TGA and FE-SEM. The result of FE-SEM characterization shows the surface heterogeneity in catalytic material. Further, an enhanced BET surface area (142.3 m<sup>2</sup> g<sup>−1</sup>) of CaO/hectorite indicated suitability of material for catalytic applications. Kissinger-Akahira-Sonuse (KAS) computational model was used to evaluate thermodynamic parameters. Response surface methodology (RSM) – Box Behnken model/ANOVA was used to draw the 3D-surface plots and 2D-contour plots for estimation of maximum biodiesel yield. The catalytic trans-esterification shows high biodiesel production (95 %) in an optimized reaction condition (10.5:1 methanol:oil molar ratio, 3.5 % catalyst loading, 57.5 °C reaction temperature and 105 min). It was found that the biodiesel produced from WCO has fuel characteristics complied with that of B100. The catalyst could be reused up to seven consecutive cycles operation resulting biodiesel production (>80 % yield) thus indicating future commercial applications in a sustainable manner.</div></div>","PeriodicalId":101197,"journal":{"name":"Sustainable Chemistry One World","volume":"5 ","pages":"Article 100034"},"PeriodicalIF":0.0,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143143761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The impact of supplemental UV-B radiation on growth and biochemical constituents in Vigna unguiculata L. Walp and Pisum sativum L. 补充紫外线-B 辐射对 Vigna unguiculata L. Walp 和 Pisum sativum L. 的生长和生化成分的影响

Sustainable Chemistry One World Pub Date : 2024-11-10 DOI: 10.1016/j.scowo.2024.100033

S. Ven Vanitha Jenishree, A. Doss, N. Ahamed Kabir

{"title":"The impact of supplemental UV-B radiation on growth and biochemical constituents in Vigna unguiculata L. Walp and Pisum sativum L.","authors":"S. Ven Vanitha Jenishree, A. Doss, N. Ahamed Kabir","doi":"10.1016/j.scowo.2024.100033","DOIUrl":"10.1016/j.scowo.2024.100033","url":null,"abstract":"<div><div>This study investigates the impact of UV-B radiation on plant growth and biochemical constituents in <em>Vigna unguiculata</em> and <em>Pisum sativum</em> plants grown from non-irradiated and UV-B-irradiated seeds. The results show that plants grown from UV-B-irradiated seeds for 30, 60, and 90 minutes experienced significant reductions in plant height, root length, and shoot length compared to non-irradiated seeds. Additionally, plants with UV-B-irradiated seeds had less fresh and dry weight. The decline was particularly pronounced in plants exposed to UV-B radiation for 90 minutes. Chlorophyll a, b, and total chlorophyll (a+b) dropped significantly in plants grown from seeds exposed to UV-B radiation for 30, 60, and 90 minutes. The reduction was particularly significant in plants exposed to UV-B radiation for 90 minutes. Moreover, plants with higher levels of total free phenolics and tannins had higher contents compared to non-irradiated seeds. The level of total free phenols is higher in irradiated seeds of P. sativum than V. unguiculata. The plants exposed to UV-B radiation for 90 minutes showed a noticeable increase.</div></div>","PeriodicalId":101197,"journal":{"name":"Sustainable Chemistry One World","volume":"4 ","pages":"Article 100033"},"PeriodicalIF":0.0,"publicationDate":"2024-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142659466","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Predicting total alkalinity in saline water using machine learning: A case study with RapidMiner 利用机器学习预测盐水中的总碱度：使用 RapidMiner 的案例研究

Sustainable Chemistry One World Pub Date : 2024-11-10 DOI: 10.1016/j.scowo.2024.100032

Tue Duy Nguyen , Quynh Thi Phuong Le , Man Thi Truc Doan , Ha Manh Bui

引用次数: 0

Visible light photocatalytic reduction of toxic chemical organophosphate monocrotophos using reduced graphene oxide derived from bamboo leaves 利用从竹叶中提取的还原氧化石墨烯在可见光下光催化还原有毒化学品有机磷久效磷

Sustainable Chemistry One World Pub Date : 2024-11-05 DOI: 10.1016/j.scowo.2024.100031

Pukrambam Dipak, UPS Gahlaut, Y.C. Goswami

{"title":"Visible light photocatalytic reduction of toxic chemical organophosphate monocrotophos using reduced graphene oxide derived from bamboo leaves","authors":"Pukrambam Dipak, UPS Gahlaut, Y.C. Goswami","doi":"10.1016/j.scowo.2024.100031","DOIUrl":"10.1016/j.scowo.2024.100031","url":null,"abstract":"<div><div>In this study, graphene oxide (GO) was synthesized from waste bamboo leaves using a pyrolysis and ultra-sonication technique. UV–visible spectroscopy revealed a prominent absorption peak at 230 nm, while Raman spectroscopy confirmed the presence of characteristic D-band (1340 cm⁻¹) and G-band (1596 cm⁻¹). XRD analysis showed a peak at 11.5°, corresponding to a lattice spacing of 3 nm, and SEM/TEM imaging demonstrated the formation of multi-layered graphene sheets. The synthesized GO was evaluated for the photocatalytic degradation of the organophosphate pesticide monocrotophos under visible light. At a concentration of 25 mg/L, graphene exhibited a removal efficiency of 98 % with a degradation rate of 0.036 ppm/min, following a Langmuir isotherm and pseudo-first-order kinetic model. The significance of this study lies in the potential environmental application, offering an economical and sustainable solution for the decontamination of pesticide-contaminated water sources. The method could contribute significantly for reducing environmental pollution and addressing global water safety challenges.</div></div>","PeriodicalId":101197,"journal":{"name":"Sustainable Chemistry One World","volume":"4 ","pages":"Article 100031"},"PeriodicalIF":0.0,"publicationDate":"2024-11-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142659464","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Copper(II) isonicotinate metal-organic framework for reusable adsorption of salmeterol from wastewater 用于从废水中重复吸附沙美特罗的异烟酸铜（II）金属有机框架

Sustainable Chemistry One World Pub Date : 2024-10-25 DOI: 10.1016/j.scowo.2024.100030

Usman Armaya’u , Muttaqa Uba Zango , Marinah Mohd Ariffin , Wan Mohd Afiq Wan Mohd Khalik , Hanis Mohd Yusoff , Zakariyya Uba Zango , Haliru Aivada Kadir , Haruna Adamu , Abdurrashid Haruna , Basem E. Keshta

{"title":"Copper(II) isonicotinate metal-organic framework for reusable adsorption of salmeterol from wastewater","authors":"Usman Armaya’u , Muttaqa Uba Zango , Marinah Mohd Ariffin , Wan Mohd Afiq Wan Mohd Khalik , Hanis Mohd Yusoff , Zakariyya Uba Zango , Haliru Aivada Kadir , Haruna Adamu , Abdurrashid Haruna , Basem E. Keshta","doi":"10.1016/j.scowo.2024.100030","DOIUrl":"10.1016/j.scowo.2024.100030","url":null,"abstract":"<div><div>This study investigates the adsorption of salmeterol (SMT) from aqueous solutions using a novel nano-sized copper-based metal-organic framework (Cu-MOF). The Cu-MOF was synthesized under solvent-free conditions, enhancing its environmental sustainability. Key parameters such as adsorbent dosage, initial SMT concentration, temperature, and pH were systematically evaluated to optimize adsorption performance. The results demonstrate the exceptional adsorption capacity of the Cu-MOF, reaching a maximum of 400 mg/g within 50 minutes of contact time under optimal conditions of 4 mg Cu-MOF, 50 mg/L SMT, and pH 11. The kinetic and isotherm studies revealed that the pseudo-second-order and Langmuir models exhibited superior fitting to the experimental data, as evidenced by their exceptional <em>R²</em> values of 0.999 and 0.999, minimal <em>RMSE</em> values of 0.034 and 0.001, and significantly lower <em>AIC</em> values of −45.77 and −129.17 for the kinetic and isotherm models, respectively. Thermodynamic analysis confirmed the exothermic and spontaneous nature of the adsorption process. Moreover, the Cu-MOF exhibited excellent reusability, maintaining its adsorption efficiency over six consecutive cycles. Therefore, these findings highlight the potential of Cu-MOF as a promising and sustainable adsorbent for effectively removing salmeterol from wastewater.</div></div>","PeriodicalId":101197,"journal":{"name":"Sustainable Chemistry One World","volume":"4 ","pages":"Article 100030"},"PeriodicalIF":0.0,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142535752","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Recent advances in green chemistry approaches for pharmaceutical synthesis 用于药物合成的绿色化学方法的最新进展

Sustainable Chemistry One World Pub Date : 2024-10-19 DOI: 10.1016/j.scowo.2024.100029

Sageer Ahmad , Rahul Jaiswal , Reetu Yadav , Sarita Verma

{"title":"Recent advances in green chemistry approaches for pharmaceutical synthesis","authors":"Sageer Ahmad , Rahul Jaiswal , Reetu Yadav , Sarita Verma","doi":"10.1016/j.scowo.2024.100029","DOIUrl":"10.1016/j.scowo.2024.100029","url":null,"abstract":"<div><div>Green chemistry has revolutionized pharmaceutical synthesis by promoting sustainability and reducing environmental impact. This review aims to present the recent advancements in the green chemistry approaches that include the principles, novel methods and the application of the methodologies in brief. Beginning with the discussion of the general research background and significance, the review addresses principles of green chemistry such as atom economy, the reduction of waste generation, and the applications of sustainable feedstocks. Closeness to environment solvents choice and catalytic processes are highlighted as well as the priority of uses of bio-catalysis and chemo-enzymatic strategies to reactions improvement and sustainability. Case studies including in this review demonstrate the practical application of green chemistry principles in real-world pharmaceutical manufacturing, showcasing successful implementation and the environmental benefits achieved. It also discusses present day methods like microwave and ultrasound assisted synthesis, flow chemistry, and eco-friendly extraction techniques, making reaction better and using less energy. Examples of good practice for industrial application are described and the possible drawbacks, such as economical, technical, and legal problems, are also discussed. Other aspects of green chemistry, including the scalability of the concepts along with focuses of catalysis, solvents, and reuses of wastes are described herein. Therefore, this review discussed the positive changes brought by green chemistry to the pharmaceutical industry and also pointed out new directions and potential difficulties on this road.</div></div>","PeriodicalId":101197,"journal":{"name":"Sustainable Chemistry One World","volume":"4 ","pages":"Article 100029"},"PeriodicalIF":0.0,"publicationDate":"2024-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142561032","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Recycling lithium-ion batteries: A review of current status and future directions 回收锂离子电池：现状与未来方向综述

Sustainable Chemistry One World Pub Date : 2024-10-11 DOI: 10.1016/j.scowo.2024.100027

Martin C. Etude , Alexander I. Ikeuba , Chigoziri N. Njoku , Emmanuel Yakubu , Henry C. Uzoma , Chukwuebuka E. Mgbemere , Daniel I. Udunwa

{"title":"Recycling lithium-ion batteries: A review of current status and future directions","authors":"Martin C. Etude , Alexander I. Ikeuba , Chigoziri N. Njoku , Emmanuel Yakubu , Henry C. Uzoma , Chukwuebuka E. Mgbemere , Daniel I. Udunwa","doi":"10.1016/j.scowo.2024.100027","DOIUrl":"10.1016/j.scowo.2024.100027","url":null,"abstract":"<div><div>Lithium-ion batteries (LIBs) have become a widely adopted energy source for various electrical devices, ranging from small devices to large machines, such as cell phones, and electric vehicles (EVs). The increasing number of EVs, and other electrical devices has led to the enormous amount of discarded spent LIBs into the landfill. The amount of LIB waste generated in 2019 alone from EVs was 500,000 tons. This amount is expected to reach 8,000,000 tons by 2040. Globally, only 5 % of discarded spent LIBs is presently being recycled. The need to recycle LIBs stems from the desire to conserve raw materials, and save cost. Also, LIBs comprise heavy metals (Ni, Li, Co, Cu, Mn, Fe, and Al), and hazardous chemicals, which cause serious environmental hazards and threaten human lives; thus, pointing out the need to recycle LIBs. This work reviewed different recycling techniques and, the latest technological advancements in pretreatment methods, hydrometallurgy, pyrometallurgy, and direct recycling methods. Also, future perspectives and prospects are provided herein.</div></div>","PeriodicalId":101197,"journal":{"name":"Sustainable Chemistry One World","volume":"4 ","pages":"Article 100027"},"PeriodicalIF":0.0,"publicationDate":"2024-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142431945","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Investigation of the utilization of oat pomace and acid whey in technical scale succinic acid fermentation including downstream processing 燕麦渣和酸性乳清在技术规模琥珀酸发酵（包括下游加工）中的利用研究

Sustainable Chemistry One World Pub Date : 2024-10-10 DOI: 10.1016/j.scowo.2024.100028

Corina Kleps , Roland Schneider , Joachim Venus , Daniel Pleissner

引用次数: 0

Synthesis of carboxamide sensors for neurotoxic Cu2+ ions in safer green solvents and reaction conditions 在更安全的绿色溶剂和反应条件下合成神经毒性 Cu2+ 离子的羧酰胺传感器

Sustainable Chemistry One World Pub Date : 2024-09-16 DOI: 10.1016/j.scowo.2024.100026

Nidhi Sharma , Ashu Gulati

引用次数: 0