ライフサイエンスコーパス: struvite

1 he risk associated with wastewater-recovered struvite.

2 n and possible transformation to crystalline struvite.

3 d the first shell of As(5+) at the P site in struvite.

4 nt in a natural poultry wastewater as mainly struvite.

5 present in some wastes, may be removed with struvite.

6 ergy CT, 513-747 HU for high-energy CT), and struvite (1337-1530 HU for low-energy CT, 1007-1100 HU f

7 ixed calcium phosphate and oxalate (9%), and struvite (18%).

8 pe), one outlier), cystine (70-71 U(Slope)), struvite (56-60 U(Slope)), calcium oxalate and calcium p

9 Struvite, a common biomineral and increasingly important

10 uid biofuels (naphtha, diesel), fertilizers (struvite, ammonium sulfate), and power (heat, electricit

11 d phosphate simultaneously via heterogeneous struvite and calcium phosphate (CaP) mineralization in h

12 decreasing the nucleation energy barrier of struvite and CaP formation and promoting their heterogen

13 The composites include in situ formed struvite and CaP mineral seeds, decreasing the nucleatio

14 The dual struvite and CaP seeded composites can simultaneously re

15 e the simultaneous electroless production of struvite and dihydrogen from aqueous ammonium dihydrogen

16 the feasibility of simultaneously producing struvite and dihydrogen from wastewater effluents with n

17 ecipitation of magnesium ammonium phosphate (struvite) and calcium phosphate (apatite) crystals.

18 monium sulfate, ammonium struvite, potassium struvite) and integrate this information with local reco

19 Evaluation of struvite-based wastewater-derived sorbents, comparison w

20 Struvite-bearing solids from swine (S) and dairy (D) was

21 ture spectroscopy confirmed that Zn added to struvite-bearing solutions at concentrations</=5 muM sor

22 ecipitation compared to when Zn was added to struvite-bearing solutions.

23 mation of a new phase that was identified as struvite by Raman spectroscopy.

24 Bacteria accumulated in the struvite cake during struvite filtration.

25 crystalline composition (uric acid, cystine, struvite, calcium oxalate, calcium phosphate, brushite),

26 Severe bladder lesions and struvite calculi were seen in 64% of F344 rats; in other

27 his metalloid during the transformation from struvite, can attenuate arsenic contamination from green

28 We found that struvite is formed, and that struvite crystal structure/morphology and precipitate fi

29 roscopy (SEM) revealed etch pit formation on struvite crystal surfaces, indicative of a surface inter

30 roducing organism triggered the formation of struvite crystals (magnesium ammonium phosphate), with t

31 rease enzyme, which facilitates formation of struvite crystals, catheter encrustation, blockage, and

32 onance (EPR) spectra of gamma-ray-irradiated struvite disclose five [AsO3](2-) radicals and one [AsO4

33 bsequently inactivated to some degree during struvite drying, and the inactivation typically increase

34 mirrored the trend in total bacteria during struvite drying.

35 Here the sorption of As with struvite during mineral formation at pH 8-11 was assesse

36 . during CBS urine collection and subsequent struvite fertilizer production in eThekwini, South Afric

37 oy produced a more compact 1.7-9.9 mum thick struvite film.

38 eria accumulated in the struvite cake during struvite filtration.

39 ce of other wastewater components can impact struvite formation through ion and microbial interferenc

40 mune dysregulation, which may be critical to struvite formation.

41 t, resulted in higher (78.68 %) reduction of struvite formation.Steroids, terpene and acetate compoun

42 y fluororescence (mu-SXRF) mapping show that struvite formed under ambient conditions contains up to

43 known chemical composition (51 calcium, four struvite, four cystine, and 12 urate) were placed in a c

44 centralized systems, phosphorus recovered as struvite from the solids dewatering liquid resulted in a

45 ssed into market-attractive fertilizers like struvite; however, concerns regarding the microbial safe

46 occur in natural newberyite transformed from struvite in guano deposits and record the accumulation o

47 The yield of struvite increased with pH, and was highest at pH 10.

48 terial inactivation during the production of struvite, initial heating under moist conditions is reco

49 As(5+) is the predominant oxidation state in struvite, irrespective of Na2HAsO4.7H2O or NaAsO2 as the

50 We found that struvite is formed, and that struvite crystal structure/

51 and the rate constants (k) depended upon the struvite layer morphology.

52 e (CaOx) and calcium phosphate (CaP); 10% of struvite (magnesium ammonium phosphate produced during i

53 Struvite (magnesium ammonium phosphate-MgNH(4) PO(4) .6H

54 ture engineered wastewater systems producing struvite may require additional step(s) to manage these

55 For example, alkaline products (e.g., struvite) may be particularly beneficial when applied to

56 Struvite (MgNH(4)PO(4).6H(2)O) precipitated from animal

57 Struvite (MgNH(4)PO(4).6H(2)O; MAP) precipitation is a v

58 ry through the controlled crystallization of struvite (MgNH4PO4.6H2O), a potential slow-release ferti

59 Struvite (NH(4)MgPO(4).6H(2)O) mineralization is an effe

60 Controlled struvite (NH(4)MgPO(4).6H(2)O) precipitation has become

61 structure, contributing to distortion of the struvite nu3 PO4(3-) band in the Fourier transform infra

62 e the heterogeneous nucleation and growth of struvite occurs via a particle-mediated process involvin

63 en circuit potential (OCP), the formation of struvite on the anode, and the generation of dihydrogen

64 , compost, urine, ammonium sulfate, ammonium struvite, potassium struvite) and integrate this informa

65 The Cr content of struvite precipitated in the presence of 1-100 muM Cr as

66 a urine concentration alternative and (2) a struvite precipitation and ion exchange alternative] at

67 solids were lower when Zn was present during struvite precipitation compared to when Zn was added to

68 Urine pasteurization or struvite precipitation did not change the microbial comm

69 Struvite precipitation effectively removed increased pho

70 Finally, a struvite precipitation experiment shows that 93% of phos

71 allowed for 43% more phosphate recovery via struvite precipitation in the acetic acid addition synth

72 Struvite precipitation is currently used to recover phos

73 results suggest that brucite dissolution and struvite precipitation were coupled at the mineral-fluid

74 al contaminants such as chromium (Cr) during struvite precipitation, however, requires consideration.

75 When Zn is present during struvite precipitation, octahedral monodentate sorbates

76 Focusing on struvite produced from full-scale operations, culture an

77 avirus during urine collection (~10(-1)) and struvite production (~10(-2)), though risks from Shigell

78 a spp. during urine collection (~10(-3)) and struvite production (~10(-4)) were non-negligible.

79 s higher during urine collection than during struvite production due to contact with contaminated uri

80 resence of K, Na, Ca, and Fe ions can impact struvite purity yet provide benefit for agricultural use

81 with the substitution of As(5+) for P(5+) in struvite reaches up to 3.75 A.

82 However, the struvite reactor effluent still consists of an excessive

83 Thus, an integrated SED-struvite reactor process can be used to improve phosphat

84 source for enrichment of the effluent of the struvite reactor, the phosphate flux was 16 mmol m(-2) h

85 as transferred to the recycled effluent of a struvite reactor.

86 the efficiency of phosphate recovery from a struvite reactor: SED was implemented in such a way that

87 The use of struvite reactors has proven to be an effective phosphat

88 (-1)) are consistent with those reported for struvite recovered from wastewater, suggesting that simi

89 For struvite recovery in the presence of As, optimizing the

90 was able to solubilize natural and synthetic struvite releasing mobile phosphate (PO(4) (3-) ) and ma

91 f these hazards occurred in both wet and dry struvite samples indicating that there is a potential ri

92 the quantified hazards detected varied among struvite samples produced from different methods and sou

93 findings contribute further understanding of struvite solubilization, element release and secondary o

94 Based on our results, struvite stone formation is linked to a robust inflammat

95 F344 rats without struvite stones at necropsy had milder bladder lesions a

96 m oxalate, calcium phosphate, uric acid, and struvite stones.

97 the mechanism of sorption, and impact on the struvite structure.

98 ts, is an important decomposition product of struvite that is an increasingly popular green fertilize

99 ungus Aspergillus niger was investigated for struvite transformation on solid and in liquid media.

100 Salmonella typhimurium during the drying of struvite under controlled temperature (from 5 to 35 degr

101 hins and ferrets, that form calcium oxalate, struvite, uric acid, cystine and other stone types.

102 tract infection (UTI) and UTI complicated by struvite urolithiasis.

103 Individuals with struvite uroliths are susceptible to recurrent urinary t

104 F344 rats with struvite uroliths had the highest urinary levels of proi

105 Struvite was also found to influence the morphology of A

106 Sorption of Zn with struvite was assessed both during and after mineral form

107 urvivor curves were typically nonlinear when struvite was dried at low relative humidity, indicating

108 on microscopy indicated that the synthesized struvite was of high quality.

109 stance genes, and human enteric viruses with struvite was shown to be likely, and future engineered w

110 and chemical composition (brushite, cystine, struvite, weddellite, whewellite, and uric acid) at 24 c

111 natural (fragments and powder) and synthetic struvite when incorporated into solid medium, with accom

112 ttle is known of microbial interactions with struvite which would result in element release.

113 For recovered struvite, XRD indicated reduced crystallinity and partic