Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Ulzhalgas Nazarbek"'
Autor:
Ulzhalgas Nazarbek, Perizat Abdurazova, Saule Nazarbekova, Yerkebulan Raiymbekov, Maksat Kambatyrov
Publikováno v:
Inorganics, Vol 11, Iss 3, p 90 (2023)
This article presents the results of research on the leaching of solid phosphorus-containing waste with humic acid. Such waste includes the by-products of the electrothermal processing of phosphate raw materials—phosphorus sludge and cottrel dust.
Externí odkaz:
https://doaj.org/article/ce6c67a639cc42d6afba420f624b9acd
Autor:
Ulzhalgas Nazarbek, Perizat Abdurazova, Saule Nazarbekova, Dina Assylbekova, Maksat Kambatyrov, Yerkebulan Raiymbekov
Publikováno v:
Applied Sciences, Vol 12, Iss 7, p 3658 (2022)
Organomineral potassium humate was extracted from coal mining waste from the Lenger deposit (Turkestan region, Kazakhstan) by alkaline extraction using an aqueous solution of potassium hydroxide. The time and temperature of the process were investiga
Externí odkaz:
https://doaj.org/article/d3008d455802428eb9c8baabba12effd
Publikováno v:
Chemical Engineering & Technology. 45:1133-1140
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e7485d56f984e9147384072c398f2b1
https://doi.org/10.1002/ceat.202200038
https://doi.org/10.1002/ceat.202200038
Publikováno v:
Reviews in Inorganic Chemistry. 42:385-395
The article presents the results of generalization of known information on various methods of enrichment of low-grade phosphate raw materials in the world. Based on the review of literature materials, scientists propose several methods of enrichment:
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a9643a5dd58dbfa63db6e1b37795626
https://doi.org/10.1515/revic-2021-0041
https://doi.org/10.1515/revic-2021-0041
Publikováno v:
Green Processing and Synthesis. 12
The selective leaching method presents a new and innovative approach for the enrichment of low-grade phosphate raw materials. The use of acetic acid as a reagent in the leaching process allows for the selective dissolution of carbonates, potassium-,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c5449580aba62a07b6b9bc6a305088c
https://doi.org/10.1515/gps-2022-8150
https://doi.org/10.1515/gps-2022-8150
Autor:
Ulzhalgas Nazarbek, Saule Nazarbekova, Yerkebulan Raiymbekov, Maksat Kambatyrov, Perizat Abdurazova
Publikováno v:
e-Polymers. 23
The present study focuses on the evaluation of a novel prolonged action fertilizer that has been encapsulated by a combination of carboxymethyl cellulose (CMC) and humic acid (HA). The aim of this research was to investigate the release of the essent
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::78446d713b0c46cc58d5c50a94c679c2
https://doi.org/10.1515/epoly-2023-0013
https://doi.org/10.1515/epoly-2023-0013
Autor:
Anar Kareeva, Uilesbek Besterekov, Perizat Abdurazova, Ulzhalgas Nazarbek, Irina Pochitalkina, Yerkebulan Raiymbekov
Publikováno v:
International Journal of Chemical Reactor Engineering. 20:805-814
The article presents the results of studies of the process of obtaining NPK fertilizer from low-grade phosphate raw materials with P2O5 of about 18%. Phosphate raw materials were leached with a mixture of nitric-phosphoric acids with the addition of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::453f0ff4c2abf5c8d7eb76940243786c
https://doi.org/10.1515/ijcre-2021-0246
https://doi.org/10.1515/ijcre-2021-0246
Autor:
Ulzhalgas Nazarbek, Yerkebulan Raiymbekov, Uilesbek Besterekov, Perizat Abdurazova, S. P. Nazarbekova
Publikováno v:
Periodica Polytechnica Chemical Engineering. 65:454-461
The article presents the results of physico-chemical research of waste from the phosphorus industry – phosphorus sludge and cottrell dust. The reliability of the experimental results was ensured by the use of generally recognized research methods,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3959e77c80d60582b6a4c491bdcd762c
https://doi.org/10.3311/ppch.18102
https://doi.org/10.3311/ppch.18102
Autor:
Ulzhalgas Nazarbek, Yerkebulan Raiymbekov, Galiya Kambarova, Perizat Abdurazova, Uilesbek Besterekov, Igor A. Petropavlovskiy
Publikováno v:
International Journal of Chemical Reactor Engineering. 19:1187-1195
Low grade phosphate-siliceous slates dump samples (about 11.98% P2O5) from Zhanatas deposit, Karatau basin, Kazakhstan were subjected to upgrading in the present study. The suggested upgrading route was to get rid of most of the inorganic carbonates
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2163d3f2b48ea27e2c25975915957730
https://doi.org/10.1515/ijcre-2021-0071
https://doi.org/10.1515/ijcre-2021-0071
