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1. (WO2019027516) REDUCING MERCURY AIR AND WATER EMISSIONS FROM A COAL FIRED POWER PLANT WITHIN A FGD SYSTEM USING A BIOCIDE
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Pub. No.: WO/2019/027516 International Application No.: PCT/US2018/028111
Publication Date: 07.02.2019 International Filing Date: 18.04.2018
IPC:
B01D 53/50 (2006.01) ,B01D 53/64 (2006.01) ,B01D 53/78 (2006.01) ,C02F 1/52 (2006.01) ,F23J 15/04 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
D
SEPARATION
53
Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols
34
Chemical or biological purification of waste gases
46
Removing components of defined structure
48
Sulfur compounds
50
Sulfur oxides
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
D
SEPARATION
53
Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols
34
Chemical or biological purification of waste gases
46
Removing components of defined structure
64
Heavy metals or compounds thereof, e.g. mercury
B PERFORMING OPERATIONS; TRANSPORTING
01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
D
SEPARATION
53
Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols
34
Chemical or biological purification of waste gases
74
General processes for purification of waste gases; Apparatus or devices specially adapted therefor
77
Liquid phase processes
78
with gas-liquid contact
C CHEMISTRY; METALLURGY
02
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
F
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
1
Treatment of water, waste water, or sewage
52
by flocculation or precipitation of suspended impurities
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
23
COMBUSTION APPARATUS; COMBUSTION PROCESSES
J
REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
15
Arrangements of devices for treating smoke or fumes
02
of purifiers, e.g. for removing noxious material
04
using washing fluids
Applicants:
GENERAL ELECTRIC COMPANY [US/US]; 1 River Road Schenectady, NY 12345, US
Inventors:
CONNOLLY, Jeremy; US
CUNNINGHAM, Chuck; US
Agent:
FABRY, Michelle, M.; US
PEACOCK, Bruce, E.; US
HAYES, Charles, Andrew; US
RESSER, David, A.; US
HAWK, Julie, D.; US
COTTON, Benjamin, B.; US
WORGULL, Jason, A.; US
Priority Data:
62/541,25604.08.2017US
Title (EN) REDUCING MERCURY AIR AND WATER EMISSIONS FROM A COAL FIRED POWER PLANT WITHIN A FGD SYSTEM USING A BIOCIDE
(FR) RÉDUCTION DES ÉMISSIONS D'AIR ET D'EAU DE MERCURE PROVENANT D'UNE CENTRALE ÉLECTRIQUE À CHARBON DANS UN SYSTÈME FGD À L'AIDE D'UN BIOCIDE
Abstract:
(EN) A method for controlling mercury emissions within a FGD system, the method includes preparing a treatment composition for application on FGD system components, the treatment composition comprising a biocide, applying the treatment composition to an FGD system, wherein the FGD system includes an FGD scrubber, monitoring the bacterial load present within the FGD system, and optimizing the operating conditions of an aqueous system to determine when additional treatment is required.
(FR) L'invention concerne un procédé de régulation des émissions de mercure dans un système FGD, le procédé comprenant la préparation d'une composition de traitement destinée à être appliquée sur des composants du système FGD, la composition de traitement comprenant un biocide, l'application de la composition de traitement à un système FGD, le système FGD comprenant un épurateur de FGD, surveillant la charge bactérienne présente dans le système FGD, et optimisant les conditions de fonctionnement d'un système aqueux pour déterminer le moment où un traitement supplémentaire est nécessaire.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)