Practically, the entrapped enzyme shows zero leachability up to 90 days.
Gupta N, Shrivastava A, Sharma RK 2012, 'Silica nanoparticles coencapsulating gadolinium oxide and horseradish peroxidase forimaging and therapeutic applications', International Journal of Nanomedicinehttp://www.dovepress.com/silica-nanoparticles-coencapsulating-gadolinium-oxide-and-horseradish--a11653. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Toxicity leaching tests showed a 79 % reduction in the leachability of trace and heavy metals.
Thabo FALAYI, Felix Ndubisi OKONTA, Freeman NTULI 2018, 'Kinetic Mechanism of Desilicated Fly Ash Lime Consumption', Medžiagotyrahttp://matsc.ktu.lt/index.php/MatSc/article/view/14284. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Additionally, the effect of forced aeration on leachability was studied.
Ernesto Rivas, María Ángeles Martín-Lara, Gabriel Blázquez, Antonio Pérez, MónicaCalero 2019, 'Column Leaching Tests to Valorize a Solid Waste from the Decommissioning of Coal-FiredPower Plants', Energieshttps://www.mdpi.com/1996-1073/12/9/1684. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Heavy metal leachability was studied using two leaching methods.
Wei Xiang, Baoping Han, Dong Zhou, Ange Nzihou 2012, 'Physicochemical properties and heavy metals leachability of fly ash from coal-firedpower plant', International Journal of Mining Science and Technologyhttp://www.sciencedirect.com/science/article/pii/S2095268612000961. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In order to obtain the optimized condition of leachability, a second-order model was examined.
Semra Çoruh, Sermin Elevli, Feza Geyikçi 2012, 'Statistical Evaluation and Optimization of Factors Affecting the Leaching Performanceof Copper Flotation Waste', The Scientific World Journalhttp://dx.doi.org/10.1100/2012/758719. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In terms of toxicity, leachability (chemical and ecotoxicological characterization) was considered.
Rawaz Kurda, José D. Silvestre, Jorge de Brito 2018, 'Toxicity and environmental and economic performance of fly ash and recycled concreteaggregates use in concrete: A review', Heliyonhttp://www.sciencedirect.com/science/article/pii/S2405844018304237. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The study of the impact of grinding of ashes on the level of their leachability was also conducted.
Pawluk Aleksandra 2016, 'Effect of grinding process on the level of leachability of the contaminants from thefly ashes from combustion of biomass', E3S Web of Conferenceshttp://dx.doi.org/10.1051/e3sconf/20161000072. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Mechanical activation produced an increase in the leachability and a decrease of the activation energy in this leaching reaction.
Jaeryeong Lee, Suyun Kim, Byoungjin Kim, Jae-chun Lee 2018, 'Effect of Mechanical Activation on the Kinetics of Copper Leaching from Copper Sulfide(CuS)', Metalshttp://www.mdpi.com/2075-4701/8/3/150. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Leaching time and sample amount display important effects on trace element concentrations, leached amounts and leachability.
Liu Yang, Jianfei Song, Xue Bai, Bo Song, Ruduo Wang, Tianhao Zhou, Jianli Jia, HaixiaPu 2016, 'Leaching Behavior and Potential Environmental Effects of Trace Elements in Coal Gangueof an Open-Cast Coal Mine Area, Inner Mongolia, China', Mineralshttp://www.mdpi.com/2075-163X/6/2/50. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)