What is the cheapest method of aeration?

Think about aspiration

31 December 2016 3,806 0 View

What is the role of capillary-conducted phase in liquid-liquid separation?

In connection with drop coalescence.

10 November 2016 8,589 0 View

What is the influence of inlet oil concentration on separation efficiency of oily waste water using fiber bed coalescer?

In range from 500 mg/l to 2%

10 November 2016 4,166 0 View

What is capillary-conducted phase in porous matrix?

Spielman was used this term

10 November 2016 9,830 0 View

What is the best solution for bed in coalescer to use fibers of polymers or stainless steel?

Explain the reason.

10 November 2016 525 0 View

Are there any differences in design for coalescer for liquid/liquid separation and gas/liquid separation?

Talking only about fiber bed coalescer?

10 November 2016 5,902 0 View

There are limit in capacity of bed coalescer for liquid/liquid separation?

For oil field for example.

09 October 2016 2,898 5 View

What is the main diferencies between polymer fibers and fibers of stainless steel?

Do not thing about surface energy?

09 October 2016 6,542 0 View

What is the most important characteristic of fiber bed?

09 October 2016 926 0 View

What is the proper method for determining the wettability of polymeric fibers?

10 November 2014 8,430 14 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

To date, according to health authorities, 30% of the population's diseases are initiated by drinking water pollution. Do you know this problem?

The main studies are as follows: * regular and timely receipt of information about the state of the environment using automated systems (stationary and mobile); * operational analysis of the...

23 February 2021 912 5 View

Multinomial probabilities and confidence intervals - obtaining the CI of the reference category?

Hi, Some background to my question: I have fitted 1st order multinomial Markov models with covariates. Since all probabiilties (for each row of the transition matrix) sum to 1, I estimate only...

22 February 2021 2,541 4 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

22 February 2021 6,569 3 View

How to extract water soluble amino compound from after aqueous work up?

4-Dimethyl amino pyridine is used in reaction.Product formed contains amino group along with amide & is highly water soluble. To remove 4-DMAP aqueous work up done. Please give solution. Thanks.

21 February 2021 1,883 1 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

21 February 2021 7,561 4 View