Thermodynamic basis of selective arsenic removal from iron oxide pigments obtained from bio-oxidation solutions

Toshkodirova, Rano Erkinjonovna, Kenjayeva, Sevara Absamatovna, Тошкодирова, Рано Эркинжоновна, Кенжаева, Севара Абсаматовна, Toshqodirova, Rano Erkinjonovna, Kenjayeva, Sevara Absamatovna

Саноатда рақамли технологиялар · 2026-yil

Annotatsiya

This paper investigates the thermodynamic principles of selective arsenic removal from iron oxide pigments obtained from technogenic solutions generated during the neutralization of bio-oxidation products. The temperature dependence of Gibbs free energy for reactions involving sodium sulfide was analyzed to evaluate the thermodynamic stability of iron- and arsenic-containing compounds. The calculations demonstrated that arsenic-bearing phases readily transform into sulfide compounds, whereas iron compounds remain thermodynamically stable. The optimal temperature range for selective arsenic removal was determined to be 40–60 °C. The obtained results provide a scientific basis for improving environmentally friendly technologies for processing bio-oxidation solutions and producing iron oxide pigments with reduced toxic impurity content.

Maqola ma’lumotlari
MualliflarToshkodirova, Rano Erkinjonovna, Kenjayeva, Sevara Absamatovna, Тошкодирова, Рано Эркинжоновна, Кенжаева, Севара Абсаматовна, Toshqodirova, Rano Erkinjonovna, Kenjayeva, Sevara Absamatovna
JurnalСаноатда рақамли технологиялар
NashriyotҚарши муҳандислик-иқтисодиёт институти
ISSN3030-3214, 2023-2026
Nashr sanasi2026-06-29
Jild4
Son2
Betlar74-80
TilIngliz
DOI10.70769/3030-3214.srt.4.2.2026.28
Indeksga qo‘shilgan2026-08-26

DOI: 10.70769/3030-3214.srt.4.2.2026.28 · Maqolaning asl sahifasi

Kalit so‘zlar

bio-oxidation, technogenic solution, iron oxide pigment, arsenic, sodium sulfide, Gibbs free energy, thermodynamic analysis, selective purification, environmental safety, metallurgical waste, биоокисление, техногенный раствор, железооксидный пигмент, мышьяк, сульфид натрия, энергия Гиббса, термодинамический анализ, селективная очистка, экологическая безопасность, металлургические отходы, biooksidlanish, texnogen eritma, temir oksidli pigment, mishyak, natriy sulfidi, Gibbs erkin energiyasi, termodinamik tahlil, selektiv tozalash, ekologik xavfsizlik, metallurgiya chiqindilari

Iqtibos keltirish

APAToshkodirova, Rano Erkinjonovna, Kenjayeva, Sevara Absamatovna, Тошкодирова, Рано Эркинжоновна, Кенжаева, Севара Абсаматовна, Toshqodirova, Rano Erkinjonovna, & Kenjayeva, Sevara Absamatovna (2026). THERMODYNAMIC BASIS OF SELECTIVE ARSENIC REMOVAL FROM IRON OXIDE PIGMENTS OBTAINED FROM BIO-OXIDATION SOLUTIONS. Саноатда рақамли технологиялар, 4(2), 74-80. https://doi.org/10.70769/3030-3214.srt.4.2.2026.28
GOST (OAK)Toshkodirova, Rano Erkinjonovna va b. THERMODYNAMIC BASIS OF SELECTIVE ARSENIC REMOVAL FROM IRON OXIDE PIGMENTS OBTAINED FROM BIO-OXIDATION SOLUTIONS // Саноатда рақамли технологиялар. – 2026. – T. 4, № 2. – P. 74-80. – DOI: 10.70769/3030-3214.srt.4.2.2026.28.
MLAToshkodirova, Rano Erkinjonovna, Kenjayeva, Sevara Absamatovna, Тошкодирова, Рано Эркинжоновна, Кенжаева, Севара Абсаматовна, Toshqodirova, Rano Erkinjonovna, and Kenjayeva, Sevara Absamatovna. “THERMODYNAMIC BASIS OF SELECTIVE ARSENIC REMOVAL FROM IRON OXIDE PIGMENTS OBTAINED FROM BIO-OXIDATION SOLUTIONS.” Саноатда рақамли технологиялар, 4(2), 74-80, 2026. https://doi.org/10.70769/3030-3214.srt.4.2.2026.28
ChicagoToshkodirova, Rano Erkinjonovna, Kenjayeva, Sevara Absamatovna, Тошкодирова, Рано Эркинжоновна, Кенжаева, Севара Абсаматовна, Toshqodirova, Rano Erkinjonovna, and Kenjayeva, Sevara Absamatovna. “THERMODYNAMIC BASIS OF SELECTIVE ARSENIC REMOVAL FROM IRON OXIDE PIGMENTS OBTAINED FROM BIO-OXIDATION SOLUTIONS.” Саноатда рақамли технологиялар, 4(2), 74-80 (2026). https://doi.org/10.70769/3030-3214.srt.4.2.2026.28
HarvardToshkodirova, Rano Erkinjonovna, Kenjayeva, Sevara Absamatovna, Тошкодирова, Рано Эркинжоновна, Кенжаева, Севара Абсаматовна, Toshqodirova, Rano Erkinjonovna, and Kenjayeva, Sevara Absamatovna (2026) ‘THERMODYNAMIC BASIS OF SELECTIVE ARSENIC REMOVAL FROM IRON OXIDE PIGMENTS OBTAINED FROM BIO-OXIDATION SOLUTIONS’, Саноатда рақамли технологиялар, 4(2), 74-80. https://doi.org/10.70769/3030-3214.srt.4.2.2026.28
BibTeX
@article{toshkodirovaranoerkinjonovna2026,
  title = {THERMODYNAMIC BASIS OF SELECTIVE ARSENIC REMOVAL FROM IRON OXIDE PIGMENTS OBTAINED FROM BIO-OXIDATION SOLUTIONS},
  author = {Toshkodirova, Rano Erkinjonovna and Kenjayeva, Sevara Absamatovna and Тошкодирова, Рано Эркинжоновна and Кенжаева, Севара Абсаматовна and Toshqodirova, Rano Erkinjonovna and Kenjayeva, Sevara Absamatovna},
  journal = {Саноатда рақамли технологиялар},
  year = {2026},
  volume = {4},
  number = {2},
  pages = {74-80},
  doi = {10.70769/3030-3214.srt.4.2.2026.28},
  url = {https://doi.org/10.70769/3030-3214.srt.4.2.2026.28}
}

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