Water volume

Sephadex G-X Specific volume water mL/g dry gel Permeabihty, iC Operating pressure, kPa Flowrate water, mL/(cm h)... 

The Asahi process (Fig. 16-63) is used principally for high-volume water treatment. The hquid to be treated is passed upward through a resin bed in the adsorption tank. The upward flow at 30-40 m/h [12-16 gal/(min ft")] keeps the bed packed against the top. After a preset time, 10 to 60 min, the flow is interrupted for about 30 s, allowing the entire bed to drop. A small portion (10 percent or less) of the ion-exchange resin is removed from the bottom of the adsorption tank and transferred hydraulically to the hopper feeding the regeneration tank. 

Static hold-up for water, ft- /ft packing volume Water hold-up, ft liquid/ft tower volume Enthalpy of air saturated at bulk water temperature, Btu/lb dry air... 

The gas has 7.5% by volume water vapor at suction conditions (saturated). 

Oil-Base Muds. Oil-base muds contain oil as the continuous phase and water as the dispersed phase. Oil-base muds contain less than 5% (by volume) water, while oil-base emulsion muds (invert emulsions) have more than 5% water in mud. Oil-base muds are usually a mixture of diesel fuel and asphalt the filtrate is oil. 

Mud weight (specific weight) = 15.7 Ib/gal Volume % water (retort) = 20%... 

API Water Weight Volume Water Weight Volume... 

Buffer solution, dilute. To one volume of concentrated buffer solution, add five volumes water and adjust the pH to 6.1 by adding acetic acid or sodium hydroxide solution. 

This system enables the Tow volume water user to accurately and safely utilise chlorine dioxide without the need for expensive capital equipment or strong acid solutions. 

Mineral Oil Hydraulic Fluids. Absorption of a mineral oil in an emulsion was apparently very slow in female rats injected subcutaneously with 0.1 mL and in squirrel monkeys injected intramuscularly with 0.3 mL (Bollinger 1970). The emulsion contained 1 volume mannide monoleate, 9 volumes mineral oil, and 9 volumes water [14C]labeled hexadecane, a major component of the mineral oil, was added to the emulsion as a radiotracer. At 1 week and 10 months after treatment, radioactivity remaining at the sites of injection accounted for 85-99% and 25-33%, respectively, of the administered radioactivity. 

Acid hydrolysis of the polysaccharide portion of wood will release lignin but also causes major condensation reactions in the product(2l). These reactions can be minimized by using 41 wt. percent hydrochloric acid in place of other mineral acids but some condensation reactions still occur(22). This is not an effective method by which to obtain unaltered lignin. On the other hand, lignin can be solvent extracted from wood at temperature of 175°C using solvent mixtures such as 50/50 by volume water/1,4-dioxacyclohexane(23) Changes in lignin under these conditions appear to be minor. 

Schell et al. [ 57] have described a sorption technique for sampling plutonium and americium, from up to 4000 litres of water in 3 h. Battelle large-volume water samples consisting of 0.3 xm Millipore filters and sorption beds of aluminium oxide were used. Particulate, soluble, and presumed colloidal fractions are collected and analysed separately. The technique has been used in fresh and saline waters, and has proved to be reliable and comparatively simple. 

As a reaction to the pressure imposed on refiners operating HF processes, licensors developed safety systems to reduce the inherent risks. Among the mitigation systems are high-volume water sprays to knock down an acid cloud, a low acid inventory, and a rapid acid de-inventory system. HF modifiers, which reduce the volatility and the aerosol-forming tendency of HF, are also offered. ConocoPhillips together with Mobil developed an HF modifier technology named ReVap to reduce the volatility of the acid. It is claimed that a 60-90% reduction in airborne acid release relative to that of the unmodified acid is... 

Dissolve the OH-indole in ethanol (0.14 M in 50 ml) and add 28 ml dimethylsulfate and 1.2 g Na hydrosulfite. Add slowly with stirring and cooling (under N2 if possible) 12 g NaOH dissolved in 26 ml water (keep temperature at 20-25°). Heat to 70° for one-half hour, cool and dilute with an equal volume water. Extract the yellow oil into ether-benzene and dry, filter, and evaporate in vacuum to get the methoxy-indole. 

Molecular structure determines the gross activity of an organic compound, as it is responsible for the molecular volume, water solubility, vapor pressure, density, and electrical charge of the compound. The three-dimensional structure of an organic... 

EAAm was synthesized in our laboratory as described previously [24]. Copolymers of DMAEMA and EAAm were prepared by free radical polymerization as follows 7.8 g of distilled monomers (mixtures of DMAEMA and EAAm) and 0.02 g of AIBN as an initiator were dissolved in 100 mL of a (50/50 by volume) water/ethanol mixture. The feed compositions for poly(DMAEMA-co-EAAm) are shown in Table 2. The ampoule containing the solution was sealed by conventional methods and inunersed in a water bath held at 75°C for 15 h. After polymerization, all polymers were dialyzed against distilled-deionized water at 4°C and freeze-dried. 

Dilute the shrimp with fresh water at a ratio of 1 volume shrimp to 3 volumes water and feed one Pasteur pipette of diluted shrimp per eight adult fish. 

Comment on the relevancy of these propositions to the observationf that a 15% (by volume) water-in-benzene emulsion stabilized by the calcium salt of didodecylsalicylic acid has a /0 of —130 mV, yet breaks immediately after preparation. 

Nitrocellulose powders (U.S.A.) Heat of explosive decomposition (water liquid) kcal/kg Gas volume (water vapour) l./kg Linear coefficient for rate of burning from one surface in./sec/in2... 

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