9.Desulfurization/decarburization/denitration/dust removal
Achievements in H2S removing
Achievements in SO2 removal/flue gas desulfurization
Achievements in CO2 removal
Achievements in denitration
Achievements in dedusting
| NO. | Project name | Client | Tower diameter/mm | Time |
| 1 | Acid absorber inner parts | China National Petroleum Corporation Dagang Petrochemical Company | Ф1000/Ф1600 | 2017.03 |
| 2 | 200,000 t/a intermediate temperature tar hydroprocessing unit of 200,000 t/a intermediate temperature tar hydroprocessing project | Zhangye Jinchangyuan Coal Industry Co., Ltd. | Ф3200 | 2017.02 |
| 3 | 1.5 Mt/a diesel hydrotreating plant | Panjin Haoye Chemical Co., Ltd. | Φ1600 | 2017.01 |
| 4 | Desulfurization system renovation | Special Gas Branch of Anqing Kaimet Gas Co., Ltd. | Φ1000/Φ1400 | 2016.11 |
| 5 | 100,000 t/a propylene project | Maoming Tianyuan Business Development Co., Ltd. | Φ2600/Φ2200 | 2016.11 |
| 6 | Tower innner parts of hydrogen recovery project from gas | Jinzhou Petrochemical Company | Φ2200 | 2016.07 |
| 7 | Hydrogenation combined unit of 200,000 t/a butyl octanol project (Phase I) | Liaoning Yuantai Petrochemical Co., Ltd. | Φ1600 | 2016.05 |
| 8 | 1.8 Mt/a diesel upgrading for aromatics production plant of 2.8 Mt/a aromatics and supporting projects | Mountain Jingbo Petrochemical Co., Ltd. | Φ1400 | 2016.03 |
| 9 | II catalytic liquid hydrocarbon desulfurization tower and dry gas desulfurization tower | China Petroleum & Chemical Corporation Jinling Branch | Φ2200 | 2016.03 |
| 10 | 1.8 Mt/a catalytic gasoline hydrodesulfurization device of National V quality upgrading and supporting project | PetroChina Lanzhou Petrochemical Company | Φ1400 | 2016.01 |
| 11 | 3 Mt/a diesel hydrogenation unit | China Petroleum & Chemical Corporation Zhenhai Refining & Chemical Branch | Φ2600 | 2015.10 |
| 12 | Desulfurization tower internals of newly added gas tank desulfurization facility | Sinopec Wuhan Branch | Φ1600 | 2015.09 |
| 13 | Improvement of the liquefied gas desulfurization tower inner parts of 2# catalytic unit | Sinopec Wuhan Branch | Φ 2200 | 2015.09 |
| 14 | 1.2 Mt/a diesel hydrogenation unit for National V oil quality upgrade and reconstruction project | China Petroleum & Chemical Corporation Jiujiang Branch | Φ2000 | 2015.08 |
| 15 | Replacement of liquid distributor of desulfurization tower in chemical production workshop | Shaanxi Huangling Coal Chemical Co., Ltd. | Φ6400 | 2015.04 |
| 16 | Upgrading of diesel products in diesel hydrogenation unit | North Huajin Chemical Industry Co., Ltd. Refining and Chemical Company | Φ2400 | 2015.02 |
| 17 | The second phase project of diesel oil hydrogenation unit and wax oil hydrogenation unit | Huizhou Refining & Chemical Branch, CNOOC Refining & Chemical Co., Ltd. | Φ2200/Φ4000 | 2015.01 |
| 18 | Tower inner parts of 1.2 Mt/a catalytic gasoline hydrogenation unit | Dalian West Pacific Petrochemical Co., Ltd. | Ф1800/Φ3000 | 2014.12 |
| 19 | 800,000 t/a hydrogenation transformation device | Hebei Qianhai Petrochemical Group Co., Ltd. | Φ1600 | 2014.09 |
| 20 | Gas desulfurization unit of cabinet gas | Shouguang Union Petrochemical Co., Ltd. | Φ1200/Φ1400/Φ1200 | 2014.04 |
| 21 | Plant-wide solvent regeneration and flare gas desulfurization device of off-site relocation and reconstruction project | Panjin North Asphalt Fuel Co., Ltd. | Φ2600 | 2014.03 |
| 22 | Gas desulfurization tower | Henan Liyuan Gas Co., Ltd. | Ф6000 | 2014.01 |
| 23 | 2. 8 Mt hydrogenation conversion unit | China National Gas Corporation Jinzhou Branch | Φ2000/2600 | 2013.12 |
| 24 | 500,000 t/a light aromatic hydrofining plant in high sulfur and high acid raw oil deep processing | Shandong Tianhong New Energy Chemical Co., Ltd. | Φ1600/2400 | 2013.10 |
| 25 | 1.7 Mt/a hybrid diesel hydrogenation unit of diesel product quality upgrade | China Petroleum Daqing Refining and Chemical Company | Φ2400/3800 | 2013.09 |
| 26 | 1 Mt/a catalytic gasoline hydrodesulfurization unit | Panjin North Asphalt Fuel Co., Ltd. | Ф1600 | 2013.07 |
| 27 | Desulfurization project of coke gasification engineering | Ningbo Zhongjin Petrochemical Co., Ltd. | Φ3600 | 2013.05 |
| 28 | Liquefied gas desulfurization extraction tower transformation of product refining device of refinery complete supporting and environmental protection project | Sinopec Guangzhou Branch | Ф1400/Φ1000 | 2012.12 |
| 29 | Product refining equipment ofoil quality upgrading and crude oil quality transformation project | Sinopec Yangzi Petrochemical Co., Ltd. | Φ2600/Φ3000 | 2012.08 |
| 30 | Gasoline hydrodesulfurization unit of supporting project of sulfur-containing crude oil processing | PetroChina Guangxi Petrochemical Company | Ф4900 | 2012.06 |
Achievements in SO2 removal/flue gas desulfurization
| NO. | Project name | Client | Tower diameter/mm | Time |
| 1 | Tower inner parts of 380 kt/a sulphuric acid main process unit | Yunxi Wenshan Zinc Indium Smelting Co., Ltd. | Φ4500 | 2017.02 |
| 2 | Tail gas deep treatment project of rare earth roasting in workshop 204 | Gansu Rare Earth New Materials Co., Ltd. | Φ2800 | 2017.02 |
| 3 | Tail gas standardization treatment project of four-sulfur plant | Qilu Branch of China Petroleum & Chemical Corporation | Φ2800 | 2017.01 |
| 4 | Absorption tower of sulfur dioxide reduction plant for SO2 emission process transformation project | Sinopec Wuhan Branch | Φ 2400 | 2015.09 |
| 5 | Newly-built scrubbing tower of double-stage gas purification device | Daqing Petrochemical Refinery | Φ6000 | 2015.04 |
| 6 | Catalytic flue gas desulfurization washing tower | PetroChina Jinzhou Petrochemical Company | Φ4600 | 2014.09 |
| 7 | Flue gas desulfurization reform project of pulverized coal boiler in Baoding Petrochemical | Beijing Yanshan Petrochemical Co., Ltd. | Φ2400 | 2014.08 |
| 8 | Pellet desulfurization modification | Tongling Nonferrous Copper Crown Metallurgical Branch | Φ8200 | 2014.06 |
| 9 | 1200,000 t/a FCC flue gas desulfurization unit | North China Petrochemical Company | Φ5100 | 2014.06 |
| 10 | Flue gas desulfurization modification projectof heavy oil catalytic unit | PetroChina No. 2 Petroleum Plant of Fushun Petrochemical Company | Φ6800 | 2014.04 |
| 11 | Adding a scrubber of desulfurization facilities for the first-stage regeneration flue gas | Daqing Petrochemical Company Oil Refinery | Φ4600 | 2014.03 |
| 12 | SO2 absorption tower | Tongling Nonferrous Copper Crown Metallurgical Branch | Φ7000 | 2012.03 |
Achievements in CO2 removal
| NO. | Project name | Client | Tower diameter/mm | Time |
| 1 | Fertilizer project in Musjid Suleiman Petrochemical Industry Corporation | China Wuhuan Engineering Co., Ltd. | Φ3550/Φ5250 | 2016.11 |
| 2 | Medium gas decarburization | Sinopec Wuhan Branch | Φ1400/Φ1800 | 2016.01 |
| 3 | CO2 capture project in Karamay Petrochemical | Xinjiang Dunhua Green Petroleum Technology Co., Ltd. | Φ1800/Φ3200 | 2015.01 |
| 4 | 300,000 m3 LNG liquefaction plant | Ningxia Changming Natural Gas Development Co., Ltd. | Φ1100 | 2014.07 |
| 5 | Decarburization project | Sichuan Luzhou Kaitian Energy Development Co., Ltd. | Ф1600 | 2012.10 |
| 6 | Inner parts renovation project of the ethylene plant of catalytic dry gas recovery | Qilu Branch of China Petroleum & Chemical Corporation | Ф1000 | 2012.09 |
| 7 | MDEA decarbonization process of 60,000 t/a synthetic ammonia proect for the first phase of post-disaster reconstruction | Sichuan Longmang Phosphorus Chemical Co., Ltd. | Ф3100/Ф2000 | 2012.09 |
| 8 | 50,000 t/a glyphosate installation of 150,000 t/a double glyphosate project | Sichuan Shuncheng Chemical Co., Ltd. | Φ1600 | 2012.04 |
| 9 | Design and manufacture of tower internals and packing for MDEA decarbonization project of 150,000 t/a synthetic ammonia project | Ningxia Yufeng Chemical Co., Ltd. | Φ2200/Φ3600 | 2011.11 |
| 10 | Reform of purification and decarburization system in ammonia plant | Yunnan Jiehua Clean Energy Development Co., Ltd. Jiehua Chemical Branch | Φ2800 | 2011.08 |
| 11 | MDEA decarbonization of 60,000 t/a synthetic ammonia project | Chongqing Ziguang Chemical Co., Ltd. | Ф3000/Ф2200 | 2011.03 |
Achievements in denitration
| NO. | Project name | Client | Tower diameter/mm | Time |
| 1 | Ultra-low emission EPC project of boiler flue gas treatment | Rongsheng Petrochemical Co., Ltd. | DN500/DN200 | 2016.03 |
| 2 | Flue gas desulfurization, denitrification, and wet electric dust removal renovation project | Zhejiang Shengyuan Chemical Fiber Co., Ltd. | DN500/DN300 | 2016.03 |
| 3 | Ammonia purification tower of thermal oil furnace denitration/dust removal renovation project of flue gas treatment | Huarun Packaging Materials Co., Ltd. | DN500/DN200 | 2015.07 |
| 4 | Tower inner parts of denitrification device in Zhonghe Xinneng | Gansu Zhonghe Jiahua Nuclear Equipment Manufacturing Co., Ltd. | Φ1400/Φ3000 | 2014.12 |
Achievements in dedusting
| NO. | Project name | Client | Tower diameter/mm | Time |
| 1 | Coal liquefaction plant of technical renovation project in 2013 | China Shenhua Coal-to-oil Co., Ltd. Ordos Coal-to-oil Branch | Φ1800 | 2016.03 |
| 2 | Package development project of quench and dedusting process of waste gas | Shenmu Fuyou Energy Technology Co., Ltd. | Φ2400/Φ3000/Φ4000 | 2015.04 |
