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Intellectual Property
 
Sustainable innovation and leading technology are the key drivers for JNG's continued success. As an industry leader and pioneer of ammonia-based desulfurization. JNG holds of 85 Chinese patents and 10 patent family of 142 international patents which covers all core technologies of ammonia-based desulfurization.
 
By successfully overcoming the technical barriers of ammonia escape, oxidization, anticorrosion and equipment dependability, and the clean flue gas can meet the ultra-clean emissions standard.
International Patent List
 
No. Patent Name Priority Number Patent Application Date Grant Patent Pending PCT
1
FLUE GAS-TREATING METHOD AND APPARATUS FOR TREATING ACID TAIL GAS BY USING AMMONIA PROCESS
CN201310130225.4 2013.04.15
US/DE/ES/
GB/FR/IT/
PL/RS/BA/
CS/HU/MK
AE/BR/CA/EG/IN/MX/QA
PCT
2
METHOD AND APPARATUS FOR REMOVING SULFUR OXIDES FROM GAS
CN201710154157.3 2017.03.15 US/CA
EP/MX/BR/CL/SA/AE/QA/EG/IN/
ID/JP/KR
 
3
DUST REMOVAL AND DESULFURIZATION OF FCC EXHAUST GAS
CN201710379458.6 2017.05.25 US/CA
EP/MX/BR/CL/GCC/EG/IN/ID/JP/KR
PCT
4
AMMONIA-BASED DESULFURIZATION PROCESS AND APPARATUS
CN201710379460.3 2017.05.25 US/CA
EP/MX/BR/CL/GCC/EG/IN/ID/VN/PH/
MY/TH/JP/KR
PCT
5
AMMONIA-ADDING SYSTEM FOR AMMONIA-BASED DESULFURIZATION DEVICE
CN201710533738.8 2017.06.14 US/CA
EP/MX/BR/CL/GCC/EG/IN/ID/JP/KR
 
6
DESULFURIZATION ABSORPTION TOWER
CN201710533738.8 2017.07.03
US/EP/CA/MX/BR/CL/GCC/EG/IN/
ID/JP/KR
PCT
7
METHOD FOR CONTROLLING AEROSOL PRODUCTION DURING ABSORPTION IN AMMONIA DESULFURIZATION
CN201710800599.0
US15/923,031
2017.07.09
2018.03.16
US/EP/CA/MX/BR/CL/GCC/IN/ID/VN/
PH/MY/TH/JP/KR/SG/TW/AR/EG/IQ
PCT
8 CARBON CAPTURE CN201710865004.X
US15/923,128
2017.09.22
2018.03.16
US/EP/CA/MX/BR/CL/GCC/IN/ID/JP/KR
PCT
9 OXIDIZATION OF AMMONIA DESULFURIZATIONSOLUTION CN201810329999.5
US16/007,875
2018.04.13
2018.06.13
US/EP/CA/MX/BR/CL/GCC/IN/ID/VN/
PH/MY/TH/JP/KR/SG/TW/AR/EG/IQ
PCT
10
A METHOD AND APPARATUS FOR TREATING ACID GAS
CN201810804898.6 2018.07.20
US/EP/CA/BR/CL/GCC/EG/IN/ID/JP/
KR/TH/SG/TW/AR/IQ
PCT
Chinese Patent List
 
No. Patent Name Priority Number Patent
Application Date
Type State
1 A method on low oxidation rate desulfurization for coal flue gas CN03158258.3 2003.09.17 Invention Granted
2 A method of using ammonia to recycle sulfur dioxide in the flue gas CN03158257.5 2003.09.17 Invention Granted
3 Empty tower type ammonia desulfurization process and device CN200510040800.7 2005.06.28 Invention Granted
4 Process and device for ammonia desulfurization with internal crystallization CN200510040801.1 2005.06.28 Invention Granted
5 Devices and process for changing limestone desulfurization to ammonia
desulfurization featured with temperature difference crystallization
CN200910068971.9 2009.07.23 Invention Granted
6 Ammonia-based desulfurization process and equipment utilizing high potential energy CN200910068756.9 2009.05.04 Invention Granted
7 Process and device for particulate matter removal in Wet ammonia scrubbing system CN201010275966.8 2010.09.08 Invention Granted
8 A method of using ammonia to remove sulfur oxide and nitrogen oxide simultaneously CN201010274450.1 2010.09.06 Invention Granted
9 Method and device of supplying desulfurization and denitrification reagent simultaneously CN201210000373.X 2012.01.04 Invention Granted
10 A device preventing ammonia slip in the ammonia flue gas desulfurization and denitrification process CN201310124249.9 2013.04.10 Invention Granted
11 A method and device of acid tail gas ammonia-based treatment CN201310130225.4 2013.04.15 Invention Granted
12 A control device and method for fine particles in the desulfurization flue gas CN201310224935.3 2013.06.06 Invention Granted
13 A method and device of treating grease and soot in the flue gas desulfurization system CN201310343995.7 2013.08.08 Invention Granted
14 A process of acid gas pre-treatment CN201410051879.2 2014.02.14 Invention Granted
15 A method of ultrasound-enhanced desulfurization and particulate removal in achieving
ultra-low emission
CN201510009642.2 2015.01.08 Invention Granted
16 A method of purifying acid gas and acid water by incineration CN201410147069.7 2014.04.011 Invention Granted
17 A method of treating sulfur recovery tail gas by using boiler flue gas ammonia desulfurization CN201210229836.X 2012.07.04 Invention Granted
18 A method of integrated ammonia desulfurization for multiple acid gases from refining devices CN201510436130.4 2015.07.22 Invention Granted
19 A method and device of ammonia desulfurization, denitrification and particulate control
for FCC regeneration flue gas
CN201510261073.0 2015.05.20 Invention Granted
20 Improved desulfurization absorber for flue gas CN03279443.6 2003.09.19 Utility Model Granted
21 An integrated device for desulfurization and flue gas discharge CN03279358.8 2003.09.17 Utility Model Granted
22 Desulfurization absorber for flue gas with high gas velocity CN03279442.8 2003.09.19 Utility Model Granted
23 Demister for ammonia desulfurization absorber CN200420109460.X 2004.12.07 Utility Model Granted
24 Flue gas scrubber which integrates desulfurization and denitrification CN200420109457.8 2004.12.08 Utility Model Granted
25 Multi-functional desulfurization absorber CN200420109458.2 2004.12.09 Utility Model Granted
26 Packed column type ammonia desulfurization absorber for flue gas CN200420109459.7 2004.12.10 Utility Model Granted
27 Oxidation tower for ammonia desulfurization CN200420109456.3 2004.12.11 Utility Model Granted
28 Ammonia desulfurization absorber with internal crystallization process CN200520073083.3 2005.06.28 Utility Model Granted
29 Empty tower type ammonia desulfurization absorber CN200520073084.8 2005.06.28 Utility Model Granted
30 Device for flue gas desulfurization and denitrification CN200820216783.7 2008.11.14 Utility Model Granted
31 Flue gas treatment device which integrates desulfurization and denitrification CN200820159738.2 2008.10.27 Utility Model Granted
32 Grille type wet flue gas scrubber CN200920038131.3 2009.01.23 Utility Model Granted
33 A flue gas treatment device with functions of desulfurization, denitrification and saturated crystallization CN200920038130.9 2009.01.23 Utility Model Granted
34 A device combination for coal flue gas scrubbing CN200920038134.7 2009.01.23 Utility Model Granted
35 A twin tower type flue gas desulfurization device CN200920038132.8 2009.01.23 Utility Model Granted
36 An ammonia desulfurization device with bubble crystallization function CN200920038133.2 2009.01.23 Utility Model Granted
37 A heat pipe type evaporation device using heat from flue gas for the byproduct of ammonia desulfurization CN200920233599.8 2009.08.12 Utility Model Granted
38 A desulfurization device combined with coal gas ammonia scrubbing for sintering flue gas CN200920256733.6 2009.10.30 Utility Model Granted
39 A heat exchanger type evaporation device for the byproduct of ammonia desulfurization CN200920256734.0 2009.10.30 Utility Model Granted
40 A flue gas desulfurization device with in-situ separation function for oil and particulate matters CN200920233600.7 2009.08.12 Utility Model Granted
41 A sulfur oxide and impurity removal device for sintering flue gas CN201120007394.5 2011.01.12 Utility Model Granted
42 An ammonia desulfurization device with two stages of gas distributors CN201120002201.7 2011.01.06 Utility Model Granted
43 A desulfurization device combined with coal gas ammonia scrubbing for sintering flue gas CN201120002038.4 2011.01.06 Utility Model Granted
44 A oxidation and purification device for desulfurization liquid CN201220000622.0 2012.01.04 Utility Model Granted
45 A fermentation device for treating tail gas exhausted from the storage tank CN201220000610.8 2012.01.04 Utility Model Granted
46 A scrubbing and recycling device for desulfurization tail gas with particulate matter CN201220000608.0 2012.01.04 Utility Model Granted
47 A flue gas desulfurization absorber with aerosol control function CN201320354373.X 2013.06.19 Utility Model Granted
48 A purification device for tail gas of wet flue gas desulfurization CN201320355979.5 2013.06.20 Utility Model Granted
49 A device for preventing ammonia slip in the ammonia flue gas desulfurization process CN201320218460.2 2013.04.25 Utility Model Granted
50 A demister with high efficiency for ammonia desulfurization CN201420186417.7 2014.04.16 Utility Model Granted
51 A sealable sampling port CN201521128929.9 2015.12.29 Utility Model Granted
52 An accepting and drainage plate for water mist in stack CN201521127208.6 2015.12.29 Utility Model Granted
53 A double-deck demister component CN201521064163.2 2015.12.17 Utility Model Granted
54 A sealed pH meter port CN201521043540.4 2015.12.15 Utility Model Granted
55 A demister mounting CN201521063331.6 2015.12.17 Utility Model Granted
56 A demister component CN201521061910.7 2015.12.17 Utility Model Granted
57 A double-decker demister with hook blades CN201521061639.7 2015.12.17 Utility Model Granted
58 A ridge installation structure of demister modules CN201521061254.0 2015.12.17 Utility Model Granted
59 A absorber CN201720371803.7 2017.04.10 Utility Model Granted
60 Desulfurization Absorption Tower CN201721599789.2 2017.11.24 Utility Model Granted
61 Absorber for ammonia-based FGD CN201720802066.1 2017.07.03 Utility Model Granted
62 Absorber for ammonia-based FGD CN201721599431.X 2017.11.24 Utility Model Granted
63 Method for on-line monitoring of corrosion condition of anti-corrosion liner slurry tank
body equipment
CN201210000681.2 2012.01.04 Invention Applied
64 Method for effectively removing acidic sulfide gas using ammonia-based desulfurization CN201410006886.0 2014.01.07 Invention Applied
65 Gasoline-oxidation ammonia-process desulfurization method CN201510254796.8 2015.05.18 Invention Applied
66 Diesel oxidation ammonia desulfurization method CN201510254821.2 2015.05.18 Invention Applied
67 Method for controlling chlorine / fluorine content in flue gas desulfurization absorption liquid CN201410532488.2 2014.10.10 Invention Applied
68 Coke oven flue gas desulfurization, denitration and waste heat recovery integrated method CN201510261427.1 2015.05.20 Invention Applied
69 Method used for producing sulfur-based urea compound fertilizer from ammonia
desulphurization by-products
CN201510436098.X 2015.07.22 Invention Applied
70 Method and system for treating VOCs gas in sewage treatment plant CN201610168796.0 2016.03.23 Invention Applied
71 Integrated treatment method for malodorous VOCs gas of refining devices CN201610172748.9 2016.03.23 Invention Applied
72 Mercury removal method and device for ammonia desulfurization slurry CN201611247458.2 2016.12.29 Invention Applied
73 Method and apparatus for removing sulfur oxides from gas CN201710154157.3 2017.03.15 Invention Applied
74 An enterprise material purchase and management system CN201710300912.4 2017.05.02 Invention Applied
75 A device and process for balancing the content of Cl- and F- in ammonia desulfurization circulating fluid CN201710336561.2 2017.05.13 Invention Applied
76 Dust removal and desulfurization of FCC exhaust gas CN201710379458.6 2017.05.25 Invention Applied
77 Ammonia-based desulfurization process and apparatus CN201710379460.3 2017.05.25 Invention Applied
78 Ammonia-adding system for ammonia-based desulfurization device CN201710816326.5 2017.09.12 Invention Applied
79 Desulfurization absorption tower CN201710533738.8 2017.07.03 Invention Applied
80 Method for controlling aerosol production during absorption in ammonia desulfurization CN201710800599.0 2017.09.07 Invention Applied
81 Carbon capture CN201710865004.X 2017.09.22 Invention Applied
82 Ammonia desulfurization by-product treatment plant CN201721731056.X 2017.12.12 Utility Model Applied
83 Ammonia-based desulfurization and denitrification dedusting method and device of
FCC exhaust gas
CN201810057884.2 2015.05.20 Invention Applied
84 Oxidization of ammonia desulfurization solution CN201810329999.2 2018.04.13 Invention Applied
85 A method and apparatus for treating acid gas CN201810804898.6 2018.07.20 Invention Applied
 
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