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Toyo Engineering Corporation patents


Recent patent applications related to Toyo Engineering Corporation. Toyo Engineering Corporation is listed as an Agent/Assignee. Note: Toyo Engineering Corporation may have other listings under different names/spellings. We're not affiliated with Toyo Engineering Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "T" | Toyo Engineering Corporation-related inventors


Urea production method

The present invention is a urea production method, including: a first concentration step of concentrating an aqueous urea solution; a granulation step of producing solid urea from the concentrated urea solution generated in the first concentration step; a urea recovery step of treating exhaust gas from the granulation step and... Toyo Engineering Corporation

Method and treating urea aqueous solution

A method for treating a urea aqueous solution includes a first stripping step of steam stripping an aqueous solution containing urea, ammonia and carbon dioxide at 0.2 to 0.6 MPaA in a first stripper to separate ammonia and carbon dioxide from this aqueous solution into a gas phase; a hydrolysis... Toyo Engineering Corporation

Process for producing high-purity aqueous urea solution in urea production process

The present invention relates to a method for producing a high-purity aqueous urea solution, utilizing a urea production process at least including a urea synthesis step of synthesizing urea from a raw material feed to produce a urea synthesis liquid, and a urea purification step of purifying the urea synthesis... Toyo Engineering Corporation

Method of adjusting duty of heat exchange in heat integrated distillation column

The duty of internal heat exchange can be flexibly adjusted without impairing energy saving performance of a HIDiC. A method of adjusting the duty of heat exchange in a heat exchange structure of a HIDiC includes totally condensing a portion of the vapor fed to a heat exchange structure in... Toyo Engineering Corporation

Solar heat collecting device

The present invention provides a solar heat collecting device having good heat collection efficiency. A uniaxial solar-tracking reflective mirror group is arranged such that each longitudinal axis thereof faces the same direction. A first biaxial solar-tracking reflective mirror group and a second biaxial solar-tracking reflective mirror group are arranged lined... Toyo Engineering Corporation

Method for producing lithium carbonate

The present invention provides a method for producing lithium carbonate, that can shorten the time required in the production of lithium carbonate and has excellent maintenance property and production efficiency without forming fixed matters that require complicated procedures to remove in a reaction apparatus.... Toyo Engineering Corporation








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