Publish in OALib Journal
APC: Only $99
Solvent extraction experiments of La(III) with di-(2-ethylhexyl)phosphoric acid (P204) from chloride solution in the presence of a complexing agent (lactic acid) have been performed. The effective separation factors can be achieved when the complexing agent is added to the aqueous phase of the extraction system. The complexing agent lactic acid can be effectively recycled using tributyl phosphate (TBP) as extractant, by the use of a countercurrent extraction process, and the chemical oxygen demand (COD) value in the raffinate is 57.7 mg/L, which meets the emission standards of pollutants from rare earths industry. Thus, the simple and environment-friendly complexing method has been proved to be an effective strategy for separating light rare earths, and provides a positive influence on the purification of La(III).
Purposes: To study the relation
among self-concept, inter-personal relation and internet altruistic behavior.
Methods: Adopt internet altruistic behavior scale, TSCS, inter-personal
relation scale to test177 in-school
undergraduates. Results: Difference of total score of internet altruistic
behavior and its factor scores in students of different genders, grades and
only child and child with siblings is not significant (p > .05). There are
differences in major among dimensions of internet sharing and internet guidance
(p < .05); and the scores of art students are higher than those of
engineering students; psychological self has a significant correlation with
internet supporting; social self has a significant correlation with total
scores of internet altruistic behavior, internet supporting and internet
reminding, but the total scores of self-concept have no significant correlation
with the total scores of internet altruistic behavior and its factor scores.
Internet altruistic behavior has a significant correlation with inter-personal