US 2016/0199780 A1

Clean coal stack

(22) 11.03.2016

(43) 14.07.2016

(57) A method and apparatus for cleaning and recycling stack gas from coal-fired power plants, from natural or propane burning heating plants, or from cement kilns by using renewable catalysts of zeolite to separate pollutants into recyclable and reusable materials. The method reduces from the stack gas carbon monoxide (CO), carbon dioxide (CO₂), nitrogen oxide (NOx), sulfur oxide (SOx) as well as halogens such as chloride and fluorides and trace metals particularly, mercury, lead, and zinc.

(71) 3 D Clean Coal Emissions Stack, LLC, Powell, OH (US)

Issue 6/2021 US 2021/0187437 A1

Systems and methods for sequestering carbon dioxide and other pollutants

(22) 18.12.2020 (43) 24.06.2021 (57) Systems and methods for the effective sequestration of waste gases from an industrial process such as, but not limited to, one or more lime or cement kilns used in...

Issue 04/2013

Determination of carbon and sulfur

When using conventional elemental analyzers for carbon and sulfur determination in solids, the user has to decide whether to use a resistance furnace to analyze organic compounds or an induction...

Issue 10/2018 PL420009 (A1)

Method and the system for cleaning waste gases from furnaces designed for firing clinker from nitrogen, sulfur and mercury oxides

(22) 28.12.2016 (43) 02.07.2018 (57) The subject of the application is a method of purification of flue gases from clinker burning furnaces from nitrogen oxides, sulfur and mercury oxides,...

Issue 1-2/2017 US2016339383 (A1)

Desulfurization apparatus and exhaust gas processing system using the same

(43) 24.11.2016 (57) A desulfurization apparatus employing the limestone-gypsum method has: a desulfurization unit where an absorbing liquid containing a calcium compound contacts with an exhaust gas...

Issue 11/2009

High temperature corrosion of anchor systems for refractory constructions at different atmospheres and temperatures

1 Introduction Highly heat resisting and high-alloyed steels, as well as nickel- based alloys are used for building chemical and metallurgic plants. These materials are used in anchorages and...

ZKG 9/2016