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Questions related to Gas
I'm currently calculate the time constant k in the LDF model for water vapor adsorption tests of coal. The model expression is Mt/M∞=1-exp(-k*t), and the M∞ is the the gas uptake at equilibrium....
09 March 2019 5,115 4 View
I have research about how to reduce gas content from waste combustion. Before i reduce the gas, i should know what the content of the gas from waste combustion. How to find out the gas content...
07 March 2019 5,133 2 View
Is dissolved sulphate in boiler feed-water stable, or is there a possibility of the thermo-chemical reduction of the dissolved sulphate to H2S during the rather short residence time in...
23 February 2019 2,196 3 View
I want to know that can we model "far field boundary condition" by LBM? For example when we want to model a thin gas jet in a very big domain such that the jet has no effect on boundaries, what...
15 February 2019 4,130 3 View
At present based on weight and pressure we can calculate the amount of gas inside a cylinder ,is there any other possible methods like placing a sensor or by time based system ???
05 February 2019 7,835 2 View
Air is supplied through a ring sparger which has 6 holes of 1mm each. and suppose the air flow rate is 1 L/min. How can I calculate the superficial gas velocity.
30 January 2019 973 11 View
I am currently doing a chemical vapour deposition of MoS2. The old tank with Argon gas has finished and has been replaced with a new one. All the growth using the new Argon gas are bad or none at...
30 January 2019 4,738 2 View
How i can calculate the selectivity of CO2/N2 from a mixture of 15:85(CO2/N2), form pure component isotherm data and the adsoptions values? I already fitted the isotherms according to Dual site...
30 January 2019 4,245 5 View
The aim is to work out the ventilation requirements for the Sodium Bisulfite (NaHSO3) storage room to ensure COSHH compliance. From my understanding, the oxidation of NaHSO3 with air results in...
28 January 2019 775 2 View
I try to detect O2 and H2 of water splitting using GC 7890B with TCD. First, I tried to use N2 gas as carrier gas, but the result showed that O2 peak is not sensitive (showed a very small area...
28 January 2019 4,839 16 View
What are the advantages of using only nickel foam as current collector? What is different from other current collectors?
24 January 2019 3,932 2 View
is collision gas is the same with curtain gas in LC-MS technique? and as a whole what is curtain gas in LC-MS?
23 January 2019 3,162 5 View
Where can I collect energy consumption(electricity, water, gas, etc.) data on firm-level?
21 January 2019 5,377 5 View
Dear Researchers, Lab scale stirred reactors are commonly used to determine the activity profiles (grPE/grcat.hr) and productivity (kgPE/grcat) of ethylene polymerization catalysts. Why...
13 January 2019 1,026 2 View
I am looking for a method to detect ethylene gas concentration in a green house. I have tried SPME , Head space and GC-MS analysis but results were not satisfied. So is it better to detect...
11 January 2019 7,962 3 View
I'm going to use oxygen as the reaction gas, but I'm worried that it will cause magnetron oxidation
09 January 2019 7,409 3 View
Hello everybody, I am looking for a software that is able to draw and visualize in a clear way an empty zeolite framework. (like this one for example...
09 January 2019 1,149 3 View
I heated 30 grams of urea in a AZAR FURNACE at 450°C during 2 hours but all the compound disapeared. I tried several time by reducing the heating time and my using nitrogen gas but finally i...
03 January 2019 2,470 1 View
the paper say that: The CH4 gas (99.9%, v/v) from a compressed gas cylinder (Nanjing Special Gas Co., China) was bubbled into 500 ml distilled water with a rate of 160 ml min-1 for least 30 min at...
29 December 2018 7,950 5 View
how to obtain a concentration of 0.021 g CH4 per kg H2O given that it was prepared by a flow of 160 ml/min methane gas from methane cylinder into d H2O in an experiment on plants. but, i am...
28 December 2018 3,874 0 View
I have been trying to synthesize aminobenzoic acid from 2-nitrobenzoic acid and methanol using Pd/C catalyst under hydrogen gas but I haven't gotten the product so far.
27 December 2018 8,726 2 View
I have set up Batch Anammox reactor. To maintain anaerobic conditions, the reactor is purged with Nitrogen gas. I would like to know whether this nitrogen gas used for purging can get converted to...
27 December 2018 4,424 3 View
Dear Colleagues Which is more accurate in measuring radon gas concentration Rad 7 or SSNTDs ? When we try to measure the radon gas in any room we found that the radon gas...
23 December 2018 3,714 6 View
I want to know about the Iron Oxide and gas conversions for the different DRI Processes. Can I get the reference data for it?
22 December 2018 1,281 3 View