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2023
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Invention
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Strong gas process and apparatus for sulfuric acid production.
A process and apparatus for produ... |
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Invention
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Spray gun with adjustable atomizer and removable nozzle body.
A spray gun assembly for atomizing... |
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2020
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Invention
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Kraft pulping foul condensate treatment process and apparatus. Processes and systems for treating... |
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2019
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Invention
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Processes and devices for separating entrainment from sulphuric acid plant process gas. Sulphuric... |
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Invention
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Removal of dissolved carbohydrates from a sulfuric acid solution. A method of removing dissolved ... |
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2018
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Invention
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Fluid mixing device.
A fluid mixing device (10) for use in chemical reactions involving two or m... |
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Invention
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Nitration reactor and method. A nitration reactor (10) incorporating sections of downward flow fo... |
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Invention
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Gas treatment processes and systems for reducing tail gas emissions. 4. |
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2015
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Invention
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Gas treatment process and apparatus. A process for cleaning process gas removes sulfur oxides (SO... |
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2014
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Invention
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Purification process for partly-hydrolyzed cellulose. A method of recovering purified partly-hydr... |
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2013
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Invention
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Electroless plating of ruthenium and ruthenium-plated products.
An electroless plating Ru bath f... |
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Invention
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Method of reducing chloride and potassium ion concentrations in a pulp mill chemical recovery sys... |
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G/S
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stainless steel alloys provided in the form of sheets and plates; stainless steel piping and tubi... |
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2012
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G/S
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Stainless steel alloys provided in the form of sheets and plates; stainless steel piping and tubi... |
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Invention
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Process for making partly-hydrolyzed cellulose using compressed cellulosic materials. A method an... |
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2010
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Invention
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Maintenance of sulfur concentration in kraft pulp processes. Methods and apparatus for maintainin... |
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2007
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Invention
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Method for treating acidic waters using recycled acidic and basic sludges. A method for removing ... |
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2006
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Invention
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Method for treating metal-contaminated water and soil. A method for removing metal contaminants f... |
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2005
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Invention
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Mechanical system for installing and removing contacting devices from a chemical process tower. A... |
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Invention
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Circular clarifier apparatus and method. This application relates to a circular clarifier for sep... |
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2003
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Invention
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Method for removing metals from acid mine drainage. A method for removing metal contaminants from... |
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Invention
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Process for the energy efficient removal of bromine from chlorine. The invention provides a metho... |
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2000
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Invention
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Apparatus and method for controlling liquor circulation flow in long vertical shaft bioreactors. ... |
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1999
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Invention
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Method and apparatus for recovering a reaction product produced at a surface. A method and appara... |
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1998
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Invention
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Process for recovering alkali and black liquor containing silicatae. The invention relates to a p... |
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1997
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Invention
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Apparatus for the self-cleaning of process tubes. Periodic self-cleaning apparatus of use in comb... |
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1996
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Invention
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Liquid distributor for a packed tower. A liquid distributor for use within a cylindrical tower co... |
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G/S
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Business providing services in the treatment of waste water, sewage, sludge, biological nutrient ... |
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G/S
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Business providing services in the treatment of waste water, sewage, sludge, and biological nutri... |
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Invention
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Internal bypass valve for a heat exchanger. A shell and tube heat exchanger for exchanging heat b... |
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1995
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Invention
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Process for the recovery of waste sulphuric acid. A process for concentrating a waste sulphuric a... |
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Invention
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Gas-to-gas heat exchangers for use in sulphuric acid plants. A heat exchanger for use in a sulphu... |
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Invention
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Anodic protection method and system. A heat exchanger and process for use with a corrosive fluid,... |
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1994
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Invention
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Catalytic converter. A catalytic converter for converting sulfur dioxide to sulfur trioxide compr... |
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Invention
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Furnace-heat exchanger preheating system. The invention provides in one broad aspect an improved ... |
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1993
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Invention
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Electrostatic gas cleaning apparatus. In the purification of gases generated in metallurgical and... |
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Invention
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Method and apparatus for recovering wash water from pulp and paper mill effluent. A method and ap... |
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Invention
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Catalytic converter. A converter comprising an exterior shell of a strong, heat resistant weldabl... |
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1992
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Invention
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Cooled sulphur furnace bypass system. Apparatus and process for the production of gaseous sulphur... |
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Invention
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Heat exchanger having improved tube layout. A heat exchanger for exchanging heat between fluids c... |
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Invention
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Electrostatic gas cleaning process and apparatus. In the purification of gases generated in metal... |
