acid process


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acid process

[′as·əd ‚prä·səs]
(chemical engineering)
In paper manufacture, a pulp digestion process that uses an acidic reagent, for example, a bisulfite solution containing free sulfur dioxide.
(metallurgy)
A melting process carried out in a furnace lined with acidic materials which combine readily with the oxides in the ore.
References in periodicals archive ?
Battista developed an acid process that cleaves off the hinges without attacking the crystals.
Myriant has agreements with ThyssenKrupp Uhde GmbH for engineering, Davy Process Technology for the integration of Myriant's bio-succinic acid process with the Davy butanediol process for the production of bio-based butanediol, and PTT Chemical for the commercialization of Myriant's technology in Southeast Asia.
Verdezyne has designed its proprietary adipic acid process specifically for the production of nylon 6,6.
Other topics include origins of the discovery of the new Cezus process for separating zirconium and hafnium by extractive distillation, physical phenomena concerning corrosion under irradiation of zirconium alloys, and zirconium corrosion resistance as a key to success for the methanol carbonylation acetic acid process.
July 14 /PRNewswire/ -- Myriant Technologies LLC (Myriant), a privately-held, biotech developer and manufacturer of renewable biochemicals, announced the successful piloting of the company's biobased Succinic Acid process based on renewable feedstocks.
The objective of the proposed study is to evaluate the suitability of the environmental friendly citric acid process for replacing the health hazardous nitric acid in passivating stainless steels used for manufacturing spacecraft and ground support structures on applications requiring corrosion resistance.
Myriant has agreements with Uhde GmbH for engineering, Davy Process Technology for the integration of Myriant's succinic acid process with the Davy butanediol process for the production of bio-based butanediol, and PTT Chemical for the commercialization of Myriant's technology in South East Asia.
Integration of robotics and wet processing -- Ozonated sulfuric acid process -- ICE-1(TM) chemical concentration control -- DIO3(TM) ozonated-water cleaning method -- Direct-coupled megasonics -- aKROS(TM) automated immersion cleaning system -- Megazone System(TM) for in situ cleaning -- Sunburst(TM) and Goldfinger megasonics -- SuperClean(TM) spin-rinse drying technology -- Rotogoni single-wafer drying About Akrion
Integration of robotics and wet processing -- The use of ozone in the sulfuric acid process -- ICE-1(TM) concentration control system -- DIO3(TM) ozonated water cleaning -- Direct-coupled megasonic -- aKROS(TM) automated immersion wafer cleaning system About Akrion
Myriant has filed for patent protection with the United States Patent and Trademark Office for its bio-acrylic acid process and will immediately initiate scale-up activities to provide product samples to customers in the second half of 2012.