[SEL] OT. this all I need to hear

[Ted Brookover]

Hydro Dynamics

Ted Brookover
4801 E. Red Bridge Rd.
Kansas City, Missouri, 64137
816-763-3142
ignitors at sbcglobal.net , Home Page, 
http://www.oldengine.org/members/brookover/
Ignitor ID Page, http://www.oldengine.org/members/brookover/ign-id.htm

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----- Original Message ----- 
From: "Ted Brookover" <ignitors at sbcglobal.net>
To: "Stationary Engine List" <sel at lists.stationary-engine.com>
Sent: Wednesday, January 12, 2005 12:27 AM
Subject: [SEL] OT. this all I need to hear


> xxxxx xxxxxxxxx has a patented "controlled cavitation" technology called 
> ShockWave Power.. Cavitation
>
> is normally considered a "destructive force" that one needs to eliminate 
> from an industrial process.
>
> However, cavitation can be applied in a controlled manner to mix or heat 
> fluids that are difficult to process
>
> by conventional technologies. The ShockWave Power. technology was 
> evaluated as a method to improve
>
> efficiency of black liquor oxidation, and to heat high solids content and 
> difficult to process black liquor
>
> without scaling. In this study black liquor was subjected to controlled 
> cavitation by pumping it through a
>
> mechanical device called the ShockWave PowerTM generator.
>
> The ShockWave Power generator is designed to create microscopic cavitation 
> bubbles by spinning a disc
>
> containing numerous cavities in a tightly enclosed area. As the 
> microscopic bubbles implode, shock waves
>
> are released. This action converts mechanical energy into heat that is 
> directly absorbed by the liquid.
>
> Additionally, controlled cavitation produces efficient micromixing, for 
> two-phase fluids. The cavitational
>
> forces created are capable of breaking down large gas bubbles into 
> microscopic bubbles as well as breaking
>
> down the Van der Waals attraction between liquid molecules. Consequently, 
> the surface area available for
>
> gas-liquid mixing is dramatically increased and therefore enhances mass 
> transfer.
>
> Economics derived from this study indicate there are numerous 
> opportunities for using controlled cavitation
>
> in kraft pulp mills. Such applications include:
>
> 1. An alternative to low odor conversion of the recovery boiler
>
> . Allows mills with direct contact evaporators to meet TRS limits
>
> . Eliminates the expense of a low odor boiler conversion
>
> 2. Extended black liquor oxidation to increase recovery boiler capacity
>
> . Reduces the gross heating value of the organic matter in kraft black 
> liquor
>
> . A low capital cost method of incrementally increasing black liquor 
> processing
>
> capacity and/or pulp production
>
> 3. Increased production efficiencies due to preheating and deactivation of 
> concentrated black
>
> liquor
>
> . For high solids content (high viscosity) black liquors, the rate of heat 
> transfer is not
>
> limited by a film heat transfer coefficient that decreases as viscosity 
> increases.
>
> . For black liquors with a propensity to deposit scale on heat transfer 
> surfaces, it
>
> means no heat transfer scaling problems because there are no heat transfer 
> surfaces
>
> to scale.
>
> Therefore, controlled cavitation can be characterized as a "breakthrough 
> technology" with the potential to
>
> achieve quantum improvements in certain pulp and paper operations.
>
>
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