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| Sulphuric Acid on the WebTM | Technical Manual | DKL Engineering, Inc. |
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Acid Plant Database September 18, 2015
| Owner | Lucite International UK Limited |
|
| Location |
Cassel Works |
|
| Background |
Formerly ICI |
|
| Website | www.lucite.com | |
| Plant | Cassel Works | |
| Coordinates | 54° 35' 12" N, 1° 16' 43" W | |
| Type of Plant | Acid Regeneration | |
| Gas Source | MMA | |
| Plant Capacity | 1120 MTPD | |
| SA/DA |
3/1 DA 99.7% Conversion |
|
| Status | Operating | |
| Year Built | 1992 | |
| Technology | Chemetics | |
| Contractor | Chemetics | |
| Remarks | MMA waste acid is concentrated in a sulphuric acid concentration (SAC) prior to feeding to the regen furnance | |
| Pictures | 
 |
|
| General | 200,000 t/y MMA | |
| References | - | |
| News |
September 28, 2011 - Hima-Sella has commenced work on the upgrade
of emergency shutdown (ESD) systems for Lucite International at its Cassel
Works site in Teesside. The upgrade
applies to MM7 - one of the site’s two methacrylate-based monomer plastics
processing plants - and will see the gradual replacement of several dozen
legacy ESD systems with a solution implemented using eight HIMA HIQuad H51q
programmable electronic systems. The
upgrade also includes the provision of two HIQuad H51q systems on the MM8
side of the plant (again to provide ESD functions and to replace legacy
systems) in the processing areas and for utilities.
These two systems join a HIQuad that was installed a few years ago to
provide ESD for just the sulphuric acid recovery (SAR) area of the plant. The equipment being replaced is all discrete logic-based,
implemented using either electromechanical relays or solid-state transistors
contained within standalone units with up to 10 inputs each. Conversely,
each HIQuad is a rack-based system that employs two dual (1002D)
processor-based command modules and several racks containing I/O modules.
Moreover, each input is simplex and continuously toggled to monitor for any
’stuck at’ conditions; and it is through this diagnostic coverage that
HIQuad achieves its TÜV IEC 61508 SIL3 certification.
The new ESD functions will, in the long-term, interface with the site’s DCS
system via Ethernet.
Hima-Sella is also providing a HMI comprising two PCs and 65-inch
monitors, which show the status of the ESD systems and all site alarms. May 29, 2009 - On November 11, 2008, Mitsubishi Rayon Co., Ltd. announced its intention to purchase Lucite International Group Limited of the United Kingdom, and to convert the company into a consolidated subsidiary of Mitsubishi Rayon. We herewith announce that all procedures required for the said purchase and the inclusion of Lucite International in the Company’s scope of consolidation were completed on May 28, 2009. The acquisition of Lucite International will make Mitsubishi Rayon into the leading company in the world MMA monomer market, and it constitutes the first step in expanding the Company’s core business, which is a priority issue under our current medium-term plan for three years to March 2011. Mitsubishi Rayon will become the sole possessor of the world’s current three main technologies for MMA production, and the Company will be the largest maker of MMA monomer with a balanced production structure encompassing the United States, Europe, and East Asia. Thanks to this production system and its superior technology, including the new ethylene process (Alpha technology) of MMA production, the Company will be well-placed to satisfy all its customers’ needs, thereby achieving growth. The assets and liabilities held by Lucite International will be included on the balance sheet of Mitsubishi Rayon for the settlement of accounts, on a consolidated basis, as of June 30, 2009, the end of the first quarter of fiscal 2009 (the business year ending March 31, 2010). However, profits and losses recorded by Lucite for the first quarter will be excluded from the income statements of Mitsubishi Rayon on a consolidated basis. |
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MTPD - Metric Tonne per Day
STPD - Short Ton per Day
MTPA - Metric Tonne per Annum STPA - Short Ton per
Annum
SA - Single Absorption
DA - Double Absorption
* Coordinates can be used to
locate plant on Google Earth
