[Gasification] Steam Turbines

[jonathan at bmpconsultants.com]

We can provide custom turbines; if you will forward your requirements I'll
provide you with a quote.

Thanks,

Jonathan

On Sat, Feb 11, 2012 at 3:58 PM, Peter & Kerry
<realpowersystems at gmail.com>wrote:

> Hi Liran,
>
> The 2 second combustion requirement is an Interesting and slightly
> disturbing prescriptive regulator response (that narrows gas use options),
> is somebody in authority just guessing and being cautious or is it based
> around actual gas analysis results from your plasma gasification system?
>
> What potential constituents in the gas stream are these requirements aimed
> at?
>
> In regard our own experience with gasifying hazardous waste (sewerage
> sludge with potential heavy metal contaminants, particularly mercury &
> cadmium) the client at the time for this (a large public authority) would
> not pay for direct emissions testing covering these so we paid out of our
> own pockets for an indirect "indicator" measurement, getting a ultimate
> analysis of the raw feed stock and the same test on the ash collected from
> the test run, then had a industrial chemist review the results. This showed
> the metals identified in the original analysis were captured within the ash
> in equivalent amounts relative to the mass reduction from the original
> sample (so didn't travel out with the gas).
>
> Is this a problem with Plasma gasification? Are such contaminants
> mobilised in the gas instead?
>
> We are currently engaged in the early stages of a formal testing project
> involving MSW and other hazardous wastes that will have EPA oversight and
> permitting for the trial. The results from this will inform pilot
> commercial scale system design and operating parameters in regard to
> emission management for our own system, so we are interested in what other
> regulator agencies are thinking in regard general gasification issues that
> might be flagged along the way.
>
> Otherwise we would agree with Pannierselvam's question. Certainly subject
> to your gas meeting all the requirements for gas turbines (not just energy
> content) then these combined with downstream HRSG steam units using this
> exhaust, perhaps augmented with some  auxiliary firing if needed, could be
> another way to meet your regulatory requirement.
>
> At the moment we are unaware of any commercial fuel cells that wouldn't
> require a high level of gas polishing and separation without quickly
> poisoning the cell, but also would love to hear more.
>
> Regards,
> Peter
>
> Peter Davies
> Real Power Systems Pty Ltd
> Australia
>
>
> Steam Turbines
>
> Liran Dor liran at eer-pgm.com
> Sat Feb 11 13:26:27 CST 2012
> Previous message: [Gasification] Steam Turbines
> Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
>
> Dear Pannierselvam,
>
> Thank you for your reply
>
> The reason for the rankin cycle is that due to the fact we are treating
> hazardous waste the environmental regulation dictate we combust the gas in
> a chamber with a 2 second residence time.
>
> I do like your approach for the MSW application we are working on and
> would like to hear more about it.
>
> Thanks
>
> Liran
>
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