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Absoiption water

PPE Processability, Impact strength I HDT, Medulijs, Flame retcudance " PP PA % m nyl..OTX,S,".. fhisottsaabillty," . IMMCt streng h) i Water absoiption PA... [Pg.22]

While ethyl chloride is one of the least toxic of all chlorinated hydrocarbons, CE is a toxic pollutant. The off-gas from the reactor is scrubbed with water in two absoiption columns. The first column is intended to recover the majority of unreacted ethanol, hydrogen chloride, and CE. The second scrubber purifies the product fiom traces of unreacted materials and acts as a back-up column in case the first scrubber is out of operation. Each scrubber contains two sieve plates and has an overall column efficiency of 65% (i.e., NTP = 1.3). Following the scrubber, ethyl chloride is finished and sold. The aqueous streams leaving the scrubbers are mixed and recycled to the reactor. A fraction of the CE recycled to the reactor is reduced to ethyl chloride. This side reaction will be called the reduction reaction. The rate of CE depletion in the reactor due to this reaction can be approximated by the following pseudo first order expression ... [Pg.162]

Six potential MSAs should be simultaneously screened. Riese include absoiption in water. Si. adsorption onto activated carbon, Sj, absorption in chilled methanol, S3, and the use of the following reactive solvents diethanolamine (DEA), S4, hot potassium carbonate, Sj, and diisc ir ranolamine (DIPA), S. ... [Pg.208]

Inhibition of V2 vasopressin receptors causes an increase in urine volume primarily by reducing the re-absoiption of water along the collecting duct, an aquaretic effect that is fundamentally different from the natriuretic actions discussed so far. Nevertheless, some of the conditions calling for the use of natriuretic intervention are identical to those in which the administration of a new class of orally active nonpeptide V2 antagonists may be useful (tolvaptan, lixivaptan, and others). [Pg.431]

A OT/Cd(NO )2Hsooctanel Water Reverse Micelles in the Presence and the Absence of HMP. In the presence of an excess of cadmium ions, [Cd2+]/[S2 l = 2, the absoiption spectra obtained at various water content, w, in Na( AOT) reverse micelles in the presence and in the absence of HMP show a red shift with increasing the water content, w. For a given w value, a blue shift in the presence compared to the absence of HMP is observed. As described in the litterature (28,34,37), the average size of the particles can be deduced from the absorption onset. The size of the semiconductor is always less than that obtained in aqueous solution. The presence in reverse micelles of HMP as a protecting agent allows a reduction in the size of the particle. [Pg.220]

In one test procedure a weighed sample of ktu>wn granulation, if solid, is exposed to predetermined conditions of temp and humidity until equilibrium is attained. In cases where either the rate of absoiption is very low, or large amounts of water ate picked up, the sample is exposed for a stated time, for example, 24 hrs. [Pg.713]

The first term on the right-hand side of Eq, (44) represents the desorption rate of a j-mer radical and the last term expresses the absoiption rate ofj-mer radicals from the water phase into the particles containing no /-met radicals. Rewriting Eq, (44) we get... [Pg.201]

The absoiption tube must also contain a desiccant to prevent loss of the water produced by the reaction. [Pg.333]

Charlet, L., and Manceau, A. (1992). X-ray absoiption spectroscopic study of the sorption of Cr(in) at the oxide-water interface. II Adsoiption, coprecipitation and surface precipitation on ferric hydrous oxides.. 1. Colloid Interface Sci. 148. 443-458. [Pg.120]

Chisholm-Brause, C. J., O Day, P. A., Brown, G. E., Ir., and Parks, G. A. (1990a). Evidence for multinuclear metal-ion complexes at solid/water interfaces from x-ray absoiption spectroscopy. Nature 348, 528-530. [Pg.120]

Aluminium is poorly absorbed from the GI tract, which is just as well since antacid preparations used by dyspeptic patients may contain as much as 500 mg of aluminium per tablet. Aluminium levels in water supplies are variable and may contain from less than 50 to more than I0(K) jg/l. This is a potential hazard to renal dialysis patients when the aluminium can enter the body across the dialysis membrane, thus bypassing intestinal absoiption. The water used in dialysis is now treated to remove contaminating metals. Acute aluminium toxicity is extremely rare. Aluminium toxicity in patients with renal dysfunc-... [Pg.30]

Cabrera, M., Alfano, O., and Cassano, A., 1996, Absoiption and scattering coefficients of titanium dioxide particulate suspensions in water, J. ofPhys. Chem. 100 20043-20050. [Pg.166]

Abs absoiption transitions of cytosine in water experimental data for keto-N3H and imino tautomers correspond to 3-methylcytosine and 3-methylcytidine, respectively, obtained in aqueous solution at pH 11 [279], °ground state dipole moments of keto-N3H, imino and enol tautomers at the HF/6-311G(d,p) level are 8.15, 5.12 and 3.34 Debye, respectively, scaled (scaling factor 0.72) excitation energies, Rydberg contamination. [Pg.315]

Figure 3. Calculated extinction (black), absoiption (dark grey), and scattering (Ggbt grey) cross section as a Auction of wavelength for a 20,40,80, and 120 nm diameter gold particle in water. As the particle diameter is increased, the plasmon resonance scattering peak shifts to loiiger wavelengths and beconre broader. Figure 3. Calculated extinction (black), absoiption (dark grey), and scattering (Ggbt grey) cross section as a Auction of wavelength for a 20,40,80, and 120 nm diameter gold particle in water. As the particle diameter is increased, the plasmon resonance scattering peak shifts to loiiger wavelengths and beconre broader.

See other pages where Absoiption water is mentioned: [Pg.141]    [Pg.146]    [Pg.141]    [Pg.146]    [Pg.202]    [Pg.23]    [Pg.456]    [Pg.65]    [Pg.46]    [Pg.570]    [Pg.341]    [Pg.383]    [Pg.159]    [Pg.858]    [Pg.113]    [Pg.279]    [Pg.234]    [Pg.386]    [Pg.967]    [Pg.644]    [Pg.496]    [Pg.499]    [Pg.343]    [Pg.196]    [Pg.309]    [Pg.128]    [Pg.341]    [Pg.344]   
See also in sourсe #XX -- [ Pg.8 , Pg.18 , Pg.21 ]




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