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Cited by 55 publications
(109 citation statements)
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“…Alkaline earth orthophosphates (MOP), pyrophosphates (MPP) and hydroxyapatites (MPOH) were synthesized by co-precipitation of phosphorus and M metal salts according to protocols previously described [21]. Several solids were obtained from sodium containing precursors (Na 4 P 2 O 7 , Na 2 HPO 4 ) and residual Na was detected [21].…”
Section: Catalysts Preparationsmentioning
confidence: 99%
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“…Alkaline earth orthophosphates (MOP), pyrophosphates (MPP) and hydroxyapatites (MPOH) were synthesized by co-precipitation of phosphorus and M metal salts according to protocols previously described [21]. Several solids were obtained from sodium containing precursors (Na 4 P 2 O 7 , Na 2 HPO 4 ) and residual Na was detected [21].…”
Section: Catalysts Preparationsmentioning
confidence: 99%
“…Recently, we have shown that selective alkaline earth phosphates contained mostly acidic and basic sites with similar weak strength. Furthermore, a correlation between the selectivity value to acrylic acid and the acid-base balance was clearly established [21]. Later, another correlation was reported over hydroxyapatites with a volcano curve in the AA production rate and an optimal acid-base balance of 4 [20].…”
Section: Introductionmentioning
confidence: 96%
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“…Peng et al reported approximately 68 % AA selectivity over Na-Y zeolites modified with potassium salts [20]. Most of this work has been reported on alkali and alkaline earth phosphates [24,25], calcium phosphates (mostly hydroxyapatites) and modified zeolites [26,27]. A few studies have been reported on other catalysts like barium sulphate (BaSO 4 ) [28], dibarium pyrophosphate [29], and silicasupported Na phosphates [30].…”
Section: Introductionmentioning
confidence: 99%