REDUCTION OF MERCURY EMISSIONS FROM CEMENT PLANTS
This Laos Patent “REDUCTION OF MERCURY EMISSIONS FROM CEMENT PLANTS” is a public DIP intellectual-property record, filed by ALBEMARLE CORPORATION on 2011-12-09; current status: Abandoned. Identifiers include application No. P/258; DIP id LAP258; protection kind Patent - PCT National Phase. Key dates: publication 2025-09-26. Classification: B01D 53/10、C04B 7/36. Inventor(s)/designer(s): LIU, Xin, MILLER, Jon,E., TANG, Zhong, ZHANG, Yinzhi, ZHOU, QUNHUI. Abstract hint: This invention provides methods for reducing emissions of mercury from a cement plant comprising at least a kiln, a particulate collection…. Status labels may change after office actions; refresh or consult primary DIP data before commercial decisions.
P/258
Mark
Key facts
- Type
- Patent
- App. no.
P/258- Status
- Abandoned
- Applicant
- ALBEMARLE CORPORATION
- Agent
- Lao Trademark Agency
- Filing date
- 2011-12-09
- Publication
- 2025-09-26
- Protection kind
- Patent - PCT National Phase
- Nice / IPC classes
- B01D 53/10 · C04B 7/36
- Goods / services
- —
Process
Steps follow the current public status-
Filed
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Formal examination Refused / terminated
-
Substantive examination
-
Published
-
Granted
Related records
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Abstract
This invention provides methods for reducing emissions of mercury from a cement plant comprising at least a kiln, a particulate collection device, collected particulates, an exhaust gas stream, a heater, and a mercury scrubber, wherein the heater and mercury scrubber are upstream from the kiln. The method comprise directing the collected particulates through the heater, to form volatilized mercury species from the collected particulates; directing the collected particulates from the heater downstream toward the kiln; and directing the volatilize mercury species to the mercury scrubber. The exhaust gas stream exits the particulate collection device and is not directed into the heater. Optional steps include injecting a mercury sorbent at one or more points between the kiln and the particulate collection device.
This invention provides methods for reducing emissions of mercury from a cement plant comprising at least a kiln, a particulate collection device, collected particulates, an exhaust gas stream, a heater, and a mercury scrubber, wherein the heater and mercury scrubber are upstream from the kiln. The method comprise directing the collected particulates through the heater, to form volatilized mercury species from the collected particulates; directing the collected particulates from the heater downstream toward the kiln; and directing the volatilize mercury species to the mercury scrubber. The exhaust gas stream exits the particulate collection device and is not directed into the heater. Optional steps include injecting a mercury sorbent at one or more points between the kiln and the particulate collection device.
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