Bases of Technology and Optimal Regime Indicators of Acid Decomposition Process of Phosphorus Sludge

Nazarbek, Ulzhalgas; Besterekov, U.; Petropavlovsky, I. A.; Nazarbekova, Saule; Beisenbayev, O. K.

doi:10.13005/ojc/310319

Cited by 3 publications

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“…Ways and technologies of production of ameliorant of potassic ammophos gypsum, superphosphate, double superphosphate, carbamide-ammonia fer tilizer (CAF), monoammonium phosphate (MAPh), ammophos on the basis of phosphoruscontaining technogenic wastes are known 3,6,7 . Modes of production are worked out and the main characteristics of final output are determined.…”

Section: Introductionmentioning

confidence: 99%

Complex mineral fertilizers: opportunities of manufacturing them from technogenic wastes

Besterekov¹,

Nurasheva²,

Nazarbek³

et al. 2017

Orient. J. Chem

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Purpose of the research is to study the development of technological modes of producing nitrogen-phosphorus-containing mineral fertilizer from industrial wastes in experimental conditions. Granulometric and substantial composition of phosphorus sludge and cottrell dust, mineralogical composition and microstructure of industrial waste for mineral fertilizers production have been studied. It was found possible to produce qualitative ammophos from phosphorus sludge and cottrell dust in proportion 2/1, using decomposition by mixture of 30% aqueous solution ammonium sulfate and humic acid. Conducted experiments allow to design the technology for producing complex fertilizers. Harmful environmental impact of waste is lowered, also production costs of the new fertilizer are much lower than of the existing ones. Unlike the traditional method of ammophos production from phosphoric acid and ammonia, the offered method allows to produce the complex and assimilable fertilizer, containing phosphorus and nitrogen in optimum proportions.

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Section: Introductionmentioning

confidence: 99%

Complex mineral fertilizers: opportunities of manufacturing them from technogenic wastes

Besterekov¹,

Nurasheva²,

Nazarbek³

et al. 2017

Orient. J. Chem

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Activation and adsorption performance of sewage sludge carbon for CO₂: unusual enhancement effect of HF treatment

Sun

Zhu

Tian

et al. 2021

Environ. Sci.: Nano

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Study of solubility in the systems CaO-P2O5-SO3-H2O and CaO-P2O5-H2O on the example of sulfuric-acid and phosphoric-acid decomposition of phosphoric slag

Nazarbekova

Nazarbek

Abdurazova

et al. 2022

Viii International Annual Conference “Industrial Technologies and Engineering” (Icite 2021)

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Bases of Technology and Optimal Regime Indicators of Acid Decomposition Process of Phosphorus Sludge

Cited by 3 publications

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Complex mineral fertilizers: opportunities of manufacturing them from technogenic wastes

Complex mineral fertilizers: opportunities of manufacturing them from technogenic wastes

Activation and adsorption performance of sewage sludge carbon for CO₂: unusual enhancement effect of HF treatment

Study of solubility in the systems CaO-P2O5-SO3-H2O and CaO-P2O5-H2O on the example of sulfuric-acid and phosphoric-acid decomposition of phosphoric slag

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Bases of Technology and Optimal Regime Indicators of Acid Decomposition Process of Phosphorus Sludge

Cited by 3 publications

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Complex mineral fertilizers: opportunities of manufacturing them from technogenic wastes

Complex mineral fertilizers: opportunities of manufacturing them from technogenic wastes

Activation and adsorption performance of sewage sludge carbon for CO2: unusual enhancement effect of HF treatment

Study of solubility in the systems CaO-P2O5-SO3-H2O and CaO-P2O5-H2O on the example of sulfuric-acid and phosphoric-acid decomposition of phosphoric slag

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Activation and adsorption performance of sewage sludge carbon for CO₂: unusual enhancement effect of HF treatment