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Publikováno v:
Solid Fuel Chemistry. 55:306-311
The influence of the temperature of hydrothermal carbonization and torrefaction on the properties of biochar obtained from sawdust and peat was studied. It was found that the yield of biochar decreased with temperature in both of the processes, where
Autor:
I. K. Malik, D. V. Miroshnichenko
Publikováno v:
Solid Fuel Chemistry. 55:216-222
The relationships of the data of proximate (moisture content, ash content, volatile matter, and fixed carbon) and elemental (carbon, hydrogen, nitrogen, sulfur, and oxygen contents) analyses of various plant raw materials (362 samples) for the produc
Publikováno v:
Journal of Water Chemistry and Technology. 43:236-242
The aim of the study is to examine the possibility of removing nickel, as a heavy metal, from waters of different origins using an environmentally friendly tetra-oxy ferro(VI) ion. As a strong oxidizing agent, ferrate(VI) decomposes complexes of orga
Publikováno v:
Journal of Water Chemistry and Technology. 43:53-59
We determined the physicochemical regularities of the process of purification of an alkaline solution of a cationic dye (Methylene Blue) and anionic dyes (Direct Brown and Direct Red) using a microfiltration ceramic membrane based on clay minerals, w
Publikováno v:
Moscow University Chemistry Bulletin. 76:33-37
A simple and affordable method is developed for the simultaneous determination of high concentrations of copper(II) and nickel(II) in an aqueous solution in the form of colored aqua complexes by digital colorimetry using an office flatbed photo scann
Autor:
T. A. Yarkova, A. M. Gyul’maliev
Publikováno v:
Solid Fuel Chemistry. 55:8-13
The thermodynamic characteristics of the reactions of the potassium salts of humic acids with IIA group metal cations were calculated using the PM6 quantum-chemical method. It was found that the interaction of the phenolate anions of humic acids with
Publikováno v:
Moscow University Chemistry Bulletin. 75:347-353
The pyrotechnic base of solid fuels of different compositions is investigated in order to produce hydrogen in the mode of the forced convection of combustion products. Potassium borohydride is used as the fuel, and metal oxides and hydroxides are use
Publikováno v:
Solid Fuel Chemistry. 54:401-405
Methods for the production of metal–carbon nanoparticles of the core–shell type based on the formation of transition metal nanoparticles and a graphite-like shell on their surface containing to 50 graphene layers are considered. Various types of
Autor:
Xuexian Yang, Zhao Yan, Xiaoguo Bi, Yingnan Dong, Xiaoyan Zhang, Jian Tang, Fangqing Zhao, Wang Yingda, Chenyin Ma
Publikováno v:
Journal of Water Chemistry and Technology. 42:508-513
Heavy metal ions, such as chromium, cadmium, mercury, nickel, copper, and zinc, cause severe pollution to water bodies as well as enormous harm to people and the biosphere. Adsorption and removal of heavy metal pollution in water is a low-cost and st
Publikováno v:
Solid Fuel Chemistry. 54:232-238
The sorption properties of a modified ethylenediamine humate (EDA–H) sorbent toward Co2+ and Ni2+ metal ions are considered. The results of the influence of sorbent norm (0.05–2.0 g), process time (15–120 min), and metal concentration (0.005, 0