Boron, cobalt, manganese and molybdenum compounds in the phosphate recovery from animal wastewater

被引：3

作者：

Hutnik, Nina ^{[1
]}

Stanclik, Anna ^{[1
]}

Piotrowski, Krzysztof ^{[2
]}

机构：

[1] Wroclaw Univ Technol, Wydziale Chem, Wybrzeze Wyspianskiego 27, PL-50370 Wroclaw, Poland

[2] Politech Slaska, Katedrze Inzynierii Chem & Projektowania Proc, Gliwice, Poland

来源：

PRZEMYSL CHEMICZNY | 2018年 / 97卷 / 02期

关键词：

STRUVITE CRYSTALLIZATION; PHOSPHORUS RECOVERY; IONS; FERTILIZER;

D O I：

10.15199/62.2018.2.22

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Struvite was continuously pptd. from aq. solns. of phosphates in presence of B, Co, Mn and Mo salts contained in liq. manure. The B, Co and Mo compds. (in contrast to Mn compds.) favored well-formed struvite crystals. Neither Co nor Mo changed the std. geometrical proportions of struvite crystals, while Mn and B increased the proportions. Struvite crystn. run well in the presence of B. The linear growth rate was more than 2.10(-8) m/s, and the nucleation rate was less than 2.10(8) 1/(s.m(3)). Co and Mn were sepd. as hydroxides and their content in solid phase was 393 mg/kg and 749 mg/kg Mn, resp.

引用

页码：294 / 298

页数：5

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