Effect of hydrogen peroxide on the destruction of organic contaminants synergism and inhibition in a con

... because the concentration of organic contaminants decreases but that of hydrogen peroxide remains the same, resulting in continually increasing [H 2 O 2 ] /organic molar ratios. The enhancement of ... 4-CBA transformation (%), min- eralization to CO 2 (%) and amount of Cl − released in the solution. On the other hand, a raise of oxygen concentration in...

Ngày tải lên: 16/03/2014, 00:07

... minutes at a peroxide concentration of 24.71 mM. For the effect of initial concentration of PCBs, up to a certain concentration, degradation was found to increase with increasing PCB concentration. ... pollutant degradation as well as the kind and concentration of intermediates formed during reaction. Alnaizy and Akgerman (2000) reported that as the initial concent...

Ngày tải lên: 05/09/2013, 09:08

... from heaters (in the case of the indoor tests) evaporates the water. After evaporation, it leaves all contaminants and microbes behind in the basin. The evaporated and now purified water condenses ... operational parameters (such as using heater for brine heating instead of solar radiation, feed water preheating, cleaning cover and basin, adding soluble dye to the...

Ngày tải lên: 05/09/2013, 16:10

... salt) was added to a final concentration of 100 m M , while in the other sample KCl was added to the same concentration. The pH was adjusted to 6.9 in both samples and an antibiotic cocktail was ... temperature. Con- sidering the experimental errors and the narrow range of temperatures investigated, it is reasonable to treat DHas constant, and use the Gibbs equati...

Ngày tải lên: 07/03/2014, 21:20

... theory, originally detailed by Freeman (1984), is a theory of organizational management and business ethics that addresses morals and values in managing an organization. In this theory, the concept ... company FrieslandCampina. All the above companies are big business and have many CSR activities as the development programs of dairy Vinamilk and FrieslandCampina. T...

Ngày tải lên: 13/03/2014, 14:20

... PowerPAC Universal (Bio-Rad, Hercules, CA, USA). On the basis of the gradi- ent concentration of bovine serum albumin, the ParA1 con- centration was evaluated by quantity one, a software contained ... representative of at least three measurements under the indicated conditions. (C) The relative content of OH • in the H + ParA1, A4 00 and A + ParA1 zones agains...

Ngày tải lên: 15/03/2014, 00:20

... resulting in pollution of surface and ground waters. In addition, fine-grained soil particles retaining heavy metals are transported as airborne dust and contaminate agricultural land and crops. ... H-saturated cation exchange resin was placed between cathode and soil to prevent alkalinization of soil and to trap the migrated heavy metal cations. Wada and Ryu (1999) have...

Ngày tải lên: 16/03/2014, 00:07

... movement of silicon towards the island occurs through the transfer of individual silicon atoms. Such a mecha- nism is consistent with the fact that the amount of silicon gathered into the island was controlled well ... bias Fig. 2. Island height as a function of the duration of bias volt- voltage of −10 V and a tunneling current of age. Islands were grown at...

Ngày tải lên: 16/03/2014, 15:32

... calculated at the end of the month as a fraction of total wealth of all active funds of that period (total capitalization of the Iranian mutual funds segment). In practice, this meant measuring ... for defining size and calculated total net assets at the end of the month as a proportion of total market capitalization. In this paper, a similar definition wa...

Ngày tải lên: 16/03/2014, 17:20

... it appears that the prevailing effect of MgCl 2 consists of the stabilization of ADP and ATP molecules, the substrate and product of ATP synthase activity, respectively. We have obtained indications that ... or after the mitochondria. The plurality and differential effects of magnesium ions on the activity of the respiratory chain, as well as on many enzy...

Ngày tải lên: 23/03/2014, 06:20