Synthesis of nano-crystalline hydroxyapatite and ammonium sulfate …

Phosphogypsum (PG) waste was converted into nano-HAP and ammonium sulfate by reacting PG with phosphoric acid in alkaline medium by adding ammonia solution at room …

WhatsApp: +86 18221755073

Obtaining nano calcium fluoride and ammonium sulfate from phosphogypsum

This study presents an efficient and sustainable procedure for converting phosphogypsum (PG) waste, along with hydrofluoric acid (HF) and ammonia (NH 3), into …

WhatsApp: +86 18221755073

Ammonium sulfate preparation from phosphogypsum waste

The Egyptian phosphogypsum waste is treated using sulfuric acid prior the ammonium sulfate pro- duction. The relevant factors that would affect the removal efficiencies of some impurities …

WhatsApp: +86 18221755073

Reaction parameter optimization of ammonium sulfate production …

Phosphogypsum (PG), by-product of wet process phosphoric acid production, has a high recycle and reuse potential within the scope of compliance with CE strategies. This study offers a …

WhatsApp: +86 18221755073

Phosphogypsum Two-Step Ammonia-Carbonation Resulting in …

Two synthesis methods were used for the conversion of phosphogypsum to ammonium sulfate and calcium carbonate: (i) Two-step method: it consists of reacting …

WhatsApp: +86 18221755073

Ammonium sulfate preparation from phosphogypsum waste

The harmful impurities in phosphogypsum sample have been affected the production of ammonium sulfate. To obtain the purified ammonium sulfate, the used phosphogypsum …

WhatsApp: +86 18221755073

Physical Simulation of Bubble Behaviors and Optimization of …

How to solve the comprehensive utilization of phosphogypsum has become an urgent problem. At present, the conversion of phosphogypsum into ammonium sulfate is …

WhatsApp: +86 18221755073

CN101269823A

The invention discloses a method using phosphogypsum as the raw material to produce ammonium sulfate, and the method comprises steps as follows: 1750 shares of crude phospho …

WhatsApp: +86 18221755073

Ammonium sulfate preparation from phosphogypsum …

The Egyptian phosphogypsum waste is treated using sulfuric acid prior the ammonium sulfate production. The relevant factors that would affect the removal efficiencies of some impurities are...

WhatsApp: +86 18221755073

Ammonium sulfate preparation from phosphogypsum waste

The Egyptian phosphogypsum waste is treated using sulfuric acid prior the ammonium sulfate production. The relevant factors that would affect the removal efficiencies of …

WhatsApp: +86 18221755073

Phosphogypsum Two-Step Ammonia-Carbonation Resulting in Ammonium

Two synthesis methods were used for the conversion of phosphogypsum to ammonium sulfate and calcium carbonate: (i) Two-step method: it consists of reacting …

WhatsApp: +86 18221755073

Synthesis of nano-crystalline hydroxyapatite and ammonium …

Phosphogypsum (PG) waste was converted into nano-HAP and ammonium sulfate by reacting PG with phosphoric acid in alkaline medium by adding ammonia solution at room …

WhatsApp: +86 18221755073

Obtaining ammonium sulfate and calcium carbonate by …

For laboratory research, phosphogypsum, an EFK waste product produced at "Olmaliq Ammofos-Maksam" JSC, and natural gypsum obtained from the "Shorsuv" mine located in Fergana …

WhatsApp: +86 18221755073

Obtaining nano calcium fluoride and ammonium …

This study presents an efficient and sustainable procedure for converting phosphogypsum (PG) waste, along with hydrofluoric acid (HF) and ammonia (NH 3), into valuable materials.

WhatsApp: +86 18221755073

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