Rita Kriūkienė
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View article: NOx-Free Leaching Methods for Efficient Silver and Aluminium Recovery from Crystalline Silicon Solar Cells
NOx-Free Leaching Methods for Efficient Silver and Aluminium Recovery from Crystalline Silicon Solar Cells Open
As photovoltaic (PV) installations expand globally, effective recycling of end-of-life crystalline silicon solar cells has become increasingly important, including the recovery of valuable metals such as silver (Ag) and aluminium (Al). Tra…
View article: Strategic Resource Extraction and Recycling from Waste: A Pathway to Sustainable Resource Conservation
Strategic Resource Extraction and Recycling from Waste: A Pathway to Sustainable Resource Conservation Open
This study examines calcium extraction from Bottom Ash (BA) and the use of Solid Residue (SR) as a substitute for White Lump Clay (WLC) in brick production. Experimental analyses identified calcium and silicon as the main elements in BA, w…
View article: Transformative potential: Utilizing Teos-modified mugwort for sustainable construction
Transformative potential: Utilizing Teos-modified mugwort for sustainable construction Open
Exploring innovative materials derived from natural sources holds significant promise in pursuing sustainable construction practices. This study investigates the modification of mugwort (Artemisia dubia Wall.) with TEOS (tetraethyl orthosi…
View article: An Investigation of Fly Ash and Slag Processing and Fiber Production Using Plasma Technology
An Investigation of Fly Ash and Slag Processing and Fiber Production Using Plasma Technology Open
As the world’s population grows and resource consumption rises, there will be an increase in household waste and, consequently, the fly ash and slag from after the incineration of this waste need to be properly recycled or used as secondar…
View article: Surface-Modified Wheat Straw for the Production of Cement-Free Geopolymer Composite: Effects of Wheat Variety and Pre-Treatment Method
Surface-Modified Wheat Straw for the Production of Cement-Free Geopolymer Composite: Effects of Wheat Variety and Pre-Treatment Method Open
The development of new composite materials with specific properties and reduced environmental pollution can be achieved by the incorporation of agricultural residues, whose morphology is strongly affected by their variety and growing condi…
View article: Mechanical Properties of Polymers Recovered from Multilayer Food Packaging by Nitric Acid
Mechanical Properties of Polymers Recovered from Multilayer Food Packaging by Nitric Acid Open
This study conducted an in-depth examination of the delamination process of multi-layer packaging waste (MLPW) recycling, intending to find an effective solution for recycling MLPW. The recycling process for such materials can be challengi…
View article: Functional and microstructural alterations in hydrated and freeze–thawed cement-oil shale ash composites
Functional and microstructural alterations in hydrated and freeze–thawed cement-oil shale ash composites Open
The oil shale industry generates a large amount of solid waste, the finer fraction of which can be utilized in civil engineering projects. However, for environmental, economic or technological reasons, oil shale is blended with other fuels…
View article: Anisotropy of the Tribological Performance of Periodically Oxidated Laser-Induced Periodic Surface Structures
Anisotropy of the Tribological Performance of Periodically Oxidated Laser-Induced Periodic Surface Structures Open
Laser-induced periodic surface structures (LIPSS) enable advanced surface functionalization with broad applications in various fields such as micro- and nanoelectronics, medicine, microbiology, tribology, anti-icing systems, and more. This…
View article: Microplastics Release from Conventional Plastics during Real Open Windrow Composting
Microplastics Release from Conventional Plastics during Real Open Windrow Composting Open
The recycling of bio-waste plays an important role in a circular economy as it transforms bio-waste into a valuable resource (organic fertilizer). However, even separately collected bio-waste can contain some plastic waste, which is usuall…
View article: EFFECT OF THERMAL AGING ON STRUCTURAL CHANGES IN P91 AND P5 HEAT RESISTANT STEELS
EFFECT OF THERMAL AGING ON STRUCTURAL CHANGES IN P91 AND P5 HEAT RESISTANT STEELS Open
Ferritic-martensitic heat-resistant steels are used for high-temperature service applications in power plants and the petrochemical industry due to its high strength and creep properties at high temperatures.After the long-term operation u…
View article: Effects of Irrigation Solutions on Root Canal Dentin
Effects of Irrigation Solutions on Root Canal Dentin Open
The aim of the study was to determine the irrigation solutions impaction on the root canal dentin micro-hardness and surface erosion.All irrigation solutions significantly decreased root canal dentin microhardness (P < 0.05).The greatest r…
View article: Numerical prediction of mechanical properties of zirconium alloy with hydrides using finite element method
Numerical prediction of mechanical properties of zirconium alloy with hydrides using finite element method Open
During nuclear power plant (NPP) operation, degradation effects like ageing, corrosion, fatigue, and others may significantly impact component integrity. One of the degradation mechanisms is hydrogen absorption. High levels of hydrogen in …
View article: Tribological properties of coatings obtained by electro-spark alloying C45 steel surfaces
Tribological properties of coatings obtained by electro-spark alloying C45 steel surfaces Open
Various coating methods have become an essential way for surface strengthening; therefore new materials and coating technologies are being extensively studied. Bronze, molybdenum, and chromium, as well as a complex coating of T15K6 + bronz…