WO 2025/073551 A1

Use of thermal energy originating from a process for producing cement clinker, for operating a stage for removing carbon dioxide (CO₂) from off-gases of the process

(22) 25.09.2024

(43) 10.04.2025

(57) The invention relates to the use of thermal energy that originates from a process for producing cement clinker in which ooff-gas is produced that is enriched with carbon dioxide (CO₂).

(71) KHD HUMBOLDT WEDAG GmbH (DE), 51149 Köln, (DE)

(22) 25.09.2024

(43) 10.04.2025

(57) The invention relates to the use of thermal energy that originates from a process for producing cement clinker in which ooff-gas is produced that is enriched with carbon dioxide (CO₂).

(71) KHD HUMBOLDT WEDAG GmbH (DE), 51149 Köln, (DE)

Issue 04-05/2025 WO 2025/073567 A1

Plant for production of cement with thermal energy extraction

(22) 26.09.2024 (43) 10.04.2025 (57) The invention relates to a plant (100, 200, 300, 400) for producing cement clinker from raw meal, comprising at least one heat exchanger (110, 210, 310, 410)...

Issue 6/2022 WO 2022/126410 A1

Low-energy-consumption carbon-enriched cement production system and method for producing cement clinker

(22) 16.12.2020 (43) 23.06.2022 (57) A low-energy-consumption carbon-enriched cement production system and a method for producing cement clinker. The system comprises: a raw material preheating and...

Issue 04-05/2025 WO 2025/073882 A1

Method of producing cement clinker from a source of calcium sulfate

(22) 04.10.2024 (43) 10.04.2025 (57) A method of producing cement clinker from a source of calcium sulfate, comprising - blending a source of calcium sulfate with silica, alumina, and iron oxide...

Issue 03/2025 WO 2025/055293 A1

Calcined cement clinker-based method and system for obtaining high-concentration carbon dioxide flue gas

(22) 15.03.2024 (43) 20.03.2025 (57) The present disclosure provides a calcined cement clinker-based method and system for obtaining a high-concentration carbon dioxide flue gas. The system comprises:...

Issue 02/2025 WO 2025/009361 (A1)

Cement composition for fixing carbon dioxide, cement hardened body for fixing carbon dioxide, and method for fixing carbon dioxide

(22) 14.06.2024 (43) 09.01.2025 (57) This cement composition for fixing carbon dioxide contains a cement composition and a carbon dioxide absorption liquid containing a carbon dioxide absorbent. This...