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An overview of deep eutectic solvents:Alternative for organic electrolytes,aqueous systems&ionic liquids for electrochemical energy storage

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Journal of Energy Chemistry 2023年第7期82卷 592-626,I0013页

作者： Akshay Sharma Renuka Sharma Ramesh C.Thakur lakhveer singh Department of Chemistry Himachal Pradesh UniversitySummer HillShimla171005Himachal PradeshIndia Department of Chemistry Sardar Patel UniversityMandi175001Himachal PradeshIndia

As the demand for sustainable energy sources continues to rise,the need for efficient and reliable energy storage systems becomes *** order to effectively store and distribute renewable energy,new and innovative solutions must be *** review examines the deep eutectic solvents(DESs)as a green,safe,and affordable solution for the electrochemical energy storage and conversion field,offering tremendous opportunities and a promising *** are a class of environment-friendly solvents known for their low toxicity and unique properties,such as their good conductivity,high thermal stability,and *** review explores the fundamentals,preparations,and various interactions that often predominate in the formation of DESs,the properties of DESs,and how DESs are better than traditional solvents involving cost-ineffective and unsafe organic electrolytes and ionic liquids as well as inefficient aqueous systems due to low energy density for electrochemical energy storage ***,a particular focus is placed on the various electrochemical applications of DESs,including their role in the electrolytes in batteries/supercapacitors,electropolishing and electrodeposition of metals,synthesis of electrode materials,recycling of electrodes,and their potential for use in CO_(2)*** review concludes by exploring the challenges,research gaps,and future potential of DESs in electrochemical applications,providing a comprehensive overview,and highlighting key considerations for their design and use.

关键词： Deep eutectic solvent Green solventHole theory Energy storage devices Aqueous electrolyte

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Microbe-mediated sustainable bio-recovery of gold from low-grade precious solid waste:A microbiological overview

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Journal of Environmental Sciences 2020年第3期32卷 47-64页

作者： Supriyanka Rana Puranjan Mishra Zularisam ab Wahid Sveta Thakur Deepak Pant lakhveer singh Faculty of Civil Engineering Technology Universiti Malaysia Pahang26300GambangKuantanPahangMalaysia Earth Resources and Sustainability Center(EARS) Universiti Malaysia Pahang26300GambangKuantanPahangMalaysia Separation and Conversion Technology Flemish Institute for Technological Research(VITO)Boeretang 200Mol2400Belgium

In an era of electronics,recovering the precious metal such as gold from ever increasing piles of electronic-wastes and metal-ion infested soil has become one of the prime concerns for researchers *** mining is an attractive,economical and nonhazardous to recover gold from the low-grade auriferous ore containing waste or *** review represents the recent major biological gold retrieval methods used to bio-mine *** biomining methods discussed in this review include,bioleaching,bio-oxidation,bio-precipitation,bio-flotation,bio-flocculation,bio-sorption,bio-reduction,bioelectrometallurgical technologies and bio *** mechanism of gold biorecovery by microbes is explained in detail to explore its intracellular mechanistic,which help it withstand high concentrations of gold without causing any fatal *** challenges and future opportunities associated with each method and how they will dictate the fate of gold bio-metallurgy from metal wastes or metal infested soil bioremediation in the coming future are also *** the help of concurrent advancements in high-throughput technologies,the gold bio-exploratory methods will speed up our ways to ensure maximum gold retrieval out of such low-grade ores containing sources,while keeping the gold mining clean and more sustainable.

关键词： Gold Critical metals Bio-recovery Biomining Gold harvesting microbes

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High performance electrocoagulation process in treating palm oil mill effluent using high current intensity application

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Chinese Journal of Chemical Engineering 2019年第1期27卷 208-217页

作者： Mohd Nasrullah A.W.Zularisam Santhana Krishnan Mimi Sakinah lakhveer singh Yap Wing Fen Faculty of Engineering Technology Universiti Malaysia Pahang(UMP) Department of Biological and Ecological Engineering Oregon State University Department of Physics Faculty of ScienceUniversiti Putra Malaysia(UPM)

Electrocoagulation process using high current intensity to treat palm oil mill effluent(POME) was investigated in this *** operating parameters such as electrolysis time, inter-electrode distance and initial pH were carried out to determine the efficient process condition on the removal of chemical oxygen demand(COD),biological oxygen demand(BOD) and suspended solids(SS).The highest treatment was achieved at 50 min with the removal efficiencies for COD, BOD and SS obtained as 85%, 83%, and 84%, *** than 50 min treatment showed the fluctuated trends of removal efficiencies which can be considered *** application of higher current resulted in higher removals of organics while the gas bubbles also assisted in removing the pollutant particles by *** an inter-electrode distance study, the removal efficiency decreased when inter-electrode distance was either higher or lower than 10 mm due to the increase of solution resistance and the decrease of anode active surface *** initial pH study, it was found that high removal efficiencies were achieved in slightly acidic POME sample rather than in neutral or basic *** electrocoagulation process by using the optimum operating parameters was able to remove COD, BOD and SS up to 95%, 94% and 96% *** experimental results confirm that application of high current intensity in electrocoagulation provided high treatment efficiency at a reduced reaction time.

关键词： Electrochemistry Environment Electrocoagulation Palm oil mill effluent High current intensity

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High performance electrocoagulation process in treating palm oil mill effluent using high current intensity application

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中国化学工程学报（英文版） 2019年第1期

作者： Mohd Nasrullah A.W.Zularisam Santhana Krishnan Mimi Sakinah lakhveer singh Yap Wing Fen Faculty of Engineering Technology，Universiti Malaysia Pahang(UMP) Department of Biological and Ecological Engineering，Oregon State University Department of Physics，Faculty of Science，Universiti Putra Malaysia(UPM)

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