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number6
science forum addict


Joined: 29 Apr 2005
Posts: 67

PostPosted: Wed May 25, 2005 10:22 am    Post subject: Re: My company has no clue about research & development Reply with quote

muha wrote:
Quote:
if you hear "synergies" you should run - it means that some management
zombies got "out of the box" and are looking for fresh brains to eat
and infect. number6 was bitten apparently. So sad.


You miss my point ... I was giving advice to a researcher ...on how to
make the management zombies run and cower in fear ...
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number6
science forum addict


Joined: 29 Apr 2005
Posts: 67

PostPosted: Wed May 25, 2005 12:23 pm    Post subject: Re: My company has no clue about research & development Reply with quote

john.spevacek@aspenresearch.com wrote:
Quote:
I'm reminded of the "Dilbert" cartoon where his company's strategic
plan is stolen by competitors. The competitors read it and mockingly
note: "Oooh! They're going to use SYNERGY!"


I oftentimes suspect that we should deliberately leak my company's
strategic plan to our competitors ... either they will go bankrupt
trying to duplicate our follies ... or if they are indeed smart enough
to realize its foolishness ... they'll be laughing too hard to be
effective ... It seems like a win-win ...

We give new meaning to the term ... MISmanager ... Might as well make
the best of it ...
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Taenia Solium
science forum addict


Joined: 14 May 2005
Posts: 66

PostPosted: Sat May 28, 2005 10:43 pm    Post subject: Re: Dying of butanol. Reply with quote

"rain.on.moon" <rain.on.moon@gmail.com> writes:

Quote:
momenet is that I have 1-Butanol (n-Butanol)which has a minimum
concentration of 99%. Rest are some impurities with water. I want to
remove all the traces of water from this alcohol. Apart from Molecular
Sieves and Distillation, what is the most suitable process to
accomplish the task of drying 1-Butanol?

Anhydrous Na2S04 seems to be popular for this.


Disclaimer:
if your butanol transforms into an illegal drug, I am not responsible.
On the other hand, if it changes into gold, it is all mine AND I get the
credit.

:-)
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rain.on.moon
science forum beginner


Joined: 30 May 2005
Posts: 34

PostPosted: Mon May 30, 2005 3:30 am    Post subject: Re: Dying of butanol. Reply with quote

Sir,

I will like to follow the process of drying 1-Butanol by Addition of
Dessicant Method. I will also like to hear opinion on this method.
Moreover my specifications are laboratory scale. The alcohol I have has
water content not more that 1%. Please inform me of the detailed
procedure to follow. Moreover how much quantity of drying agent is to
be added (calculation procedure)? Then how much time must the solution
stand still or agitated? Finally how to separate the residue from the
alcohol? Please inform me of all the details as I am already behind my
schedule for completion of my thesis. I will be grateful.

Regards,

Atta.
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Taenia Solium
science forum addict


Joined: 14 May 2005
Posts: 66

PostPosted: Mon May 30, 2005 8:43 am    Post subject: Re: Why is my beautiful butanol dying ? Reply with quote

"rain.on.moon" <rain.on.moon@gmail.com> writes:

Quote:
I will like to follow the process of drying 1-Butanol by Addition of
Dessicant Method. I will also like to hear opinion on this method.
Moreover my specifications are laboratory scale. The alcohol I have has
water content not more that 1%. Please inform me of the detailed
procedure to follow. Moreover how much quantity of drying agent is to
be added (calculation procedure)? Then how much time must the solution
stand still or agitated? Finally how to separate the residue from the
alcohol? Please inform me of all the details as I am already behind my
schedule for completion of my thesis. I will be grateful.

First a comment, if you are a lazy bum, who wants people to hold your hand,
you are going to be a failure.

Second, have a look at:

http://orgchem.colorado.edu/hndbksupport/drying/drying.html

for illustrated step by step approach.

I dont think that you will need to use the saturated sodium chloride wash, since
your H2O content is only 1%.


Disclaimer:
But heck what do I know !
Doing that to butanol may result in cold fusion, immortality, immorality
or even incarceration in Guantanomo Bay.
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Taenia Solium
science forum addict


Joined: 14 May 2005
Posts: 66

PostPosted: Mon May 30, 2005 8:58 am    Post subject: Re: Why is my beautiful butanol dying ? Reply with quote

Caligula <rambam@bigpond.net.au> writes:

Quote:
Second, have a look at:

http://orgchem.colorado.edu/hndbksupport/drying/drying.html

for illustrated step by step approach.

I dont think that you will need to use the saturated sodium chloride wash, since
your H2O content is only 1%.


BTW, dont use anhydrous calcium chloride.
It forms interesting addition compounds with butanol.

If you want more than the link above provides , look at
http://designer-drugs.com/pte/12.162.180.114/dcd/chemistry/equipment/dryingchemicals.html

Please dont look at the root of this link.
The material there is too depressing.
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Uncle Al
science forum Guru


Joined: 24 Mar 2005
Posts: 1226

PostPosted: Fri Jun 03, 2005 2:36 pm    Post subject: Re: find use for vented formaldehyde fumes? Reply with quote

alanh_27@yahoo.com wrote:
Quote:

if the project I'm imagineering pushes through, I will have a small but
steady source of formaldehyde fumes boiling off from a portable toilet,
vented to the outside.

Any way to recapture the value of the chemical?

Formaldehyde is an EPA priority carcinogen. If you vent even ppm you
are liable for a $10,000 fine/occurance-day. It's a low-value
chemical.

--
Uncle Al
http://www.mazepath.com/uncleal/
(Toxic URL! Unsafe for children and most mammals)
http://www.mazepath.com/uncleal/qz.pdf
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Peter Jason
science forum beginner


Joined: 05 May 2005
Posts: 16

PostPosted: Wed Jul 06, 2005 4:00 am    Post subject: Re: Why is my beautiful butanol dying ? Reply with quote

"Caligula" <rambam@bigpond.net.au> wrote in message
news:87sm05vvq9.fsf_-_@kafka.homenet...
Quote:
"rain.on.moon" <rain.on.moon@gmail.com> writes:

I will like to follow the process of drying 1-Butanol by Addition of
Dessicant Method. I will also like to hear opinion on this method.
Moreover my specifications are laboratory scale. The alcohol I have has
water content not more that 1%. Please inform me of the detailed
procedure to follow. Moreover how much quantity of drying agent is to
be added (calculation procedure)? Then how much time must the solution
stand still or agitated? Finally how to separate the residue from the
alcohol? Please inform me of all the details as I am already behind my
schedule for completion of my thesis. I will be grateful.

First a comment, if you are a lazy bum, who wants people to hold your
hand,
you are going to be a failure.

Second, have a look at:

http://orgchem.colorado.edu/hndbksupport/drying/drying.html

for illustrated step by step approach.

I dont think that you will need to use the saturated sodium chloride wash,
since
your H2O content is only 1%.


Disclaimer:
But heck what do I know !
Doing that to butanol may result in cold fusion, immortality, immorality
or even incarceration in Guantanomo Bay.



Azeotropic distillation. Some of the butanol will entrain the moisture,
leaving dry BuOH.
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Rod Stephenson
science forum beginner


Joined: 06 Jul 2005
Posts: 1

PostPosted: Wed Jul 06, 2005 5:50 am    Post subject: Re: Why is my beautiful butanol dying ? Reply with quote

Because its actually *BUTADIENE*

(with apologies to Pynchon/Gravity's Rainbow)



--
Rule 1.
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Guest






PostPosted: Mon Jul 11, 2005 12:56 am    Post subject: Re: Search multiple job sites for you! Reply with quote

I'm underwhelmed. There are already other faster "vertical search
engines" for jobs. Three examples are:
http://www.simplyhired.com
http://www.indeed.com
and http://www.work.com

Why should anyone use yours?

Pittsburgh Pete
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FindJobEasy.com
science forum beginner


Joined: 12 Jul 2005
Posts: 2

PostPosted: Tue Jul 12, 2005 12:40 am    Post subject: Re: Search multiple job sites for you! Reply with quote

This is a good question. Try our web site and you definitely can tell
the differences. At least try it!
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Ron Jones
science forum Guru Wannabe


Joined: 16 May 2005
Posts: 175

PostPosted: Tue Jul 12, 2005 6:21 pm    Post subject: Re: Search multiple job sites for you! Reply with quote

FindJobEasy.com wrote:
Quote:
This is a good question. Try our web site and you definitely can tell
the differences. At least try it!

Seems a tad US biased... ;-)

--
--
Ron Jones

Don't repeat history, see unreported near misses in chemical lab/plant
at http://www.crhf.org.uk
Only two things are certain: The universe and human stupidity; and I?m
not certain about the universe. ~ Albert Einstein
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tom1158
science forum beginner


Joined: 20 Jun 2005
Posts: 9

PostPosted: Thu Jul 28, 2005 9:41 am    Post subject: Re: Wax jar in ancient Greece Reply with quote

thx...one more Q....how do I find densities for different p and T..in tables
there is only for atmosferic p and at boilng T ?

<vjp2.at@at.BioStrategist.dot.dot.com> wrote in message
news:dc9qee$dcv$1@reader2.panix.com...
Quote:
I have my doubts because you can't exactly filter salt - the salt
ions are essentially almost as small as the water.. are you sure it
wasn't wax-covered clay? What kind of wax? I suppose that maybe the
beeswax had some properties akin to semipermeable membranes, or
perhaps there were parts of actual membranes in the behives (I'm
speculating.. don't know what is the composition of beehives - what
holds them together - it is possible they contain some plant-derived
cellulose from the way honey with wax in it tastes - there is always
some cellulose-like material you try to spit out).. it seems laden
with speculation and hyperbole.. unfortunately Greeks have been
excellent mythologists, and way too skilled at mythology throughout
history.. enough so that even when they speak truthfully, no one
believes them any more.. still, Aristotle was unusually sharp (though
not immune) at not falling prey to such hyperbole.. assuming you quote
him accurately..

In <1122420143.677278.186040@z14g2000cwz.googlegroups.com> by
mollwollfumble
David.Paterson@csiro.au> on 26 Jul 2005 16:22:23 -0700 we perused:
*+-Aristotle in 'meteorology' briefly describes a seawater desalination
*+-device. If a jar made of wax is placed in the sea, the water that
*+-passes through the wax into the jar is fresh.



- = -
Vasos-Peter John Panagiotopoulos II, Columbia'81+, Bio$trategist
BachMozart ReaganQuayle EvrytanoKastorian
http://ourworld.compuserve.com/homepages/vjp2/vasos.htm
---{Nothing herein constitutes advice. Everything fully disclaimed.}---
[Homeland Security means private firearms not lazy obstructive guards]
[Fooey on GIU,{MS,X}Windows 4 Bimbos] [Cigar smoke belongs in veg food
group]
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J DUDLEY
science forum beginner


Joined: 30 Apr 2005
Posts: 11

PostPosted: Thu Jul 28, 2005 6:13 pm    Post subject: Re: density Reply with quote

there is also a correlation in Coulson & Richardson 6

<rekuci@gmail.com> wrote in message
news:1122549751.089546.7140@g14g2000cwa.googlegroups.com...
Quote:
How to calculate density of liquid mixture (
CH4,C2H6,C2H4,C2H2,C3H8,C3H6)
if I have folowing data available : mol fraction of each component, x,
and
actual measured flow in m^3/h

What I know is that ro = m / V = ( n*M ) / V

To do it precisely, you need some kind of mass data. Volumetric flow
rate is useless information without a mass flow rate (think about it?).
There is no simple relationship between densities of different liquids
before and after mixing, because it will depend on the intermolecular
interactions of the liquids with each other. However, it can be
approximated by taking sum(x_i*rho_i)

This will probably be a good approximation for your mixture because
they are similar and should associate with each other much the same as
how they associate with themselves.
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charliew2
science forum beginner


Joined: 25 May 2005
Posts: 26

PostPosted: Sun Aug 07, 2005 7:18 pm    Post subject: Re: Call Bush to Action on Science, Math, and Engineering Education Reply with quote

<ckurasek@gmail.com> wrote in message
news:1123267670.933345.238560@g49g2000cwa.googlegroups.com...
Quote:
Below is the text of a petition urging President Bush and our national
leaders to call upon the nation to embark upon a modern-day 'Manhattan
Project' in scientific education and research to protect and extend
America's position of global leadership in technology and science; a
position that becomes more fragile and tenuous every passing day that
we continue to let our public schools lag behind the rest of the
industrial world, and increasingly Asian nations, in the sciences.

Would you be willing to sign this petition and pass it along to your
fellow scientists, mathematicians, and engineers? You can sign an
electronic copy of the petition and see who else has signed it at:

http://www.CallBushToAction.com

The petition will be delivered to President Bush and your respective
Congressmen on September 1, 2005.

(cut)


I see this problem as somewhat more subtle than most. Several things must
happen to help the situation described above:

* It's fine to graduate a lot of engineers, but there should be jobs
waiting for those graduates. U.S. manufacturing is exporting a lot of high
tech jobs overseas, so there is a bit of a disconnect here regarding
technical training vs. job availability. I expect this trend to continue,
because U.S. engineers are very highly paid relative to their overseas
counterparts, and U.S. corporations are salivating at the prospect of
getting top technical talent and paying third-world salaries for that
talent.
* I just switched careers from chemical engineering to high school
education, so I will be meeting this problem up close and personal. In my
opinion, the U.S. education system has far bigger problems than curriculum.
There are a LOT of lower socio-economic students out there, who either have
two working parents, or only one. These students often don't get the
benefit of big parental involvement in their schooling because the parents
are too busy trying to make enough money to keep the family going. Under
these conditions, it is practically impossible to increase the academic
achievement of the students because the students are practically raising
themselves, and they are too young to see the benefit of hard academic work.
I will do my best to inspire the students that I teach, but there are 120 of
them and only 1 of me, so I will not be able to be a surrogate parent for
more than a very few of them. Indeed, all of the teachers that I work with
will be in that same situation.

With the two reasons that I gave above, I'm somewhat pessimistic regarding
the long term scientific and technology outlook for the U.S. At this point,
petitions and verbiage are not going to fix the problem. For the "Manhattan
project" that you are talking about above, students' parents also need to be
educated in several areas:

* the need for the student to get a good education
* the need for the parents to get a better education in order to more
easily provide for their families
* the need for the current generation of parents to voluntarily accept a
lower standard of living (where applicable) in order to spend more time with
their children

Obviously, with the very high divorce rate in the U.S., and the strong
desire of the current generation of parents to go into deep debt in order to
keep up with the "Jonses", the U.S. educational problem is going to be very
difficult to solve.
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