Nº Costumer (Order) City (State) Supply Description Year

1. Vicentin SAIC (E-16049)

Santa Fe (Argentina)

Electrical and mechanical supervision of an Electrostatic Precipitator (ESP) provided by ENFIL. ESP inner parts and tension and current controller examination. Monitoring of startup.

2016

2. Vicentin SAIC (E-16022)

Santa Fe (Argentina)

Electrical supervision of an Electrostatic Precipitator (ESP) provided by ENFIL. ESP tension and current controller examination

2016

3. Masisa (E-16019)

Concepción (Chile)

Electromagnetic rapper (spared) for the Electrostatic Precipitator (ESP) provided by ENFIL.

2016

4. Energias Pecém (E-15290)

Fortaleza (CE)

Several spares parts for the Flue Gas Desulphurization (FGD) provided by ENFIL. Pieces for the lime slakers, rotary atomizers and bag house.

2015

5. USIMINAS (E-15252)

Belo Horizonte (MG)

18 air filters for the heated air inlet of the ceiling beam of an Electrostatic Precipitator (ESP).

2015

6. Gerdau (E-15130)

Pindamonhangaba (SP)

Process Engineering services for installation of Enfil Baghouse for the dedusting system of FEA's 81 and 82 in Aciaria.

2015

7. Masisa (E-14372)

Concepción (Chile)

Supply of internal parts for an ESP supplied by ENFIL: collecting plates and discharge electrode.

2015

8. Companhia Siderúrgica Nacional – CSN (E-14004)

Volta Redonda (RJ)

Installation/Erection of the A, B and C of the LD steel mill exhausting hoods. The scope includes design and manufacture of 3 exhausting hoods for the converters A, B and C, electromechanical assembly of hoods and the disc dampers for the ducts.

2014

9. Companhia Siderúrgica Nacional- CSN (E-11180)

Volta Redonda (RJ)

Dedusting of the Lime handling system building – Gas Flow rate of 60.000 and 70.000 Nm³/h with a Baghouse (emissions below 20 mg/Nm³). Scope: 2 (two) baghouse, ducts, enclosures, closures, 2 (two) IDfans and a single stack. Basic and detailed engineering of process, mechanic, electric, instrumentation and automation. Project and civil construction for the baghouse and a new electrical room. Electromechanical erection, commissioning and start-up.

2014

10. Companhia Siderúrgica Nacional- CSN (E-12140)

Volta Redonda (RJ)

Replacement of hoods from the converters A, B and C of the steel plant LD. The scope includes project and manufacture of 3 exhausting hoods for convertors A, B and C, electromechanical erection of the hoods and disc dampers for the ducts.

2014

11. Southern Peru Copper Corporation - SPCC (E-12134)

Ilo (Peru)

Supply of Dry Flue Gas Desulfurization system for a Copper Refining unit: - Circulating fluid bed scrubber with accessories; - Dust recycling; - Baghouse;

- Hydrated lime storage, dosing and injection system.

2013

12. ENESA – Eléctrica Nueva Energía S.A. (E-12120)

Coronel (Chile)

ESP for biomass revolving grate boiler. Gas Flow: 225.000 Am³/h. Filtering area: 2.701 m².

2012

13. HPB / International Papel (E-10194)

Mogi Guaçu (SP)

ESP for biomass revolving grate boiler. Gas Flow: 557,000 m³/h. Filtering area: 5,794 m².

2011

Nº Customer (Order) City (State) Supply Description Year

14. Usiminas – Usinas Siderúrgicas de Minas Gerais (E-10070)

Ipatinga (MG)

Dedusting System for Blast Furnace #3 – Casthouse and upgrade for existing exhaust system (turn-key job).

Gas Flow: 660,000 m³/h.

Filtering Area: 7,946 m.

2011

15. ThyssenKrupp CSA (E-10007)

Santa Cruz (RJ)

Revamping of Absorber of FGD CDS (Circulating Dry Scrubber) for Heat Recovery Boiler of Coke Oven Plant. Manufacturing of the Absorber. Implementation of automation system for entire FGD. Supervision of Commissioning and Operation for Battery C. Main condition: Q= 433.436 Nm

3/h @ 200

o.C;

SOX inlet = 2526 mg/Nm3;

SOX outlet = 200 mg/Nm3;

Reagent= hydrated lime (Ca(OH)2).

2010

16. Vale Rio Doce Manganês (E-10025)

Ouro Preto (MG)

Electric Arc Furnace Dedusting system in a turn-key job, including mechanical, electric, instrumentation/automation of gas caption, combustion chamber (flare), cyclones battery, heat exchanger, boosters, fabric filter, IDF’s, interconnection ducts and Stack, collected dust handling and storage system. Gas Flow: 220,000 m³/h. Filtering area: 3,860 m².

2010

17. ArcelorMittal (E-10050)

João Monlevade

(MG)

Inspection and mechanical evaluation of the primary ESP for the sinter plant .

2010

18. ArcelorMittal Tubarão (E-10005)

Serra (ES)

Design of new ducts for ESP’s #1, #2 and #3 for the sinter plant aiming at low pressure drop and even gas distribution.

2010

19. HPB Caldeiras Berneck S. A. Painéis e Serrados (E-10004)

Curitibanos (SC)

ESP for biomass (Wood chips and saw dust) fluidized bed boiler. Gas Flow: 636,810 m³/h. Filtering area: 8,161 m².

2010

20. Cia. Vale do Rio Doce (E-09064)

Vitória (ES)

CFD modeling of two Eletrostatic Precipitators. 2009

21. ThyssenKrupp CSA (E-09288)

Santa Cruz (RJ)

Revamping of Absorber of FGD CDS (Circulating Dry Scrubber) for Heat Recovery Boiler of Coke Oven Plant. Manufacturing of the Absorber. Implementation of automation system for entire FGD. Supervision of Commissioning and Operation for Battery B. Main condition: Q= 433.436 Nm3/h @ 200 o.C SOX inlet = 2526 mg/Nm3 SOX outlet = 200 mg/Nm3 Reagent= hydrated lime (Ca(OH)2).

2009

22. ThyssenKrupp CSA (E-09204)

Santa Cruz (RJ)

Review of basic, detailed engineering of FGD CDS –(Circulating Dry Scrubber) for Heat Recovery Boiler of Coke Oven Plant. Revamping of the Absorber. Manufacturing and erection works of Absorber. Implementation of automation system for entire FGD. Supervision of Commissioning and Operation for Battery A. Main conditions: Q= 433.436 Nm3/h @ 200 o.C SOX inlet = 2526 mg/Nm3 SOX outlet = 200 mg/Nm3 Reagent= hydrated lime (Ca(OH)2).

2009

Nº Customer (Order) City (State) Supply Description Year

23. UHDE (E-09041)

Ulaanbaatar (Mongólia)

Feasibility study of a flue gas cleaning system (SO2 removal and dust) for a heat recovery coking plant

2009

24. CSN - Cia. Siderúrgica Nacional (E-08130)

Volta Redonda (RJ)

01 Wet Electrostatic Precipitator for a Coke Plant Gas Flow: 30,000 Nm³/h Filter Area: 554 m²

2009

25. MPX Geração de Energia S.A. Mabe Construção e Administração de Projetos Ltda. (E-08147)

Fortaleza (CE)

Flue Gas Desulphurization System – FGD Semi-dry 1 X 365 MW PORTO DE PECEM Spray dryer absorber using rotary atomizers for lime slurry atomization for a pulverized coal fired boiler. Gas flow: 1,260,000 Nm

3/h

Temperature: 125 °C. Sulfur content in coal: up to 1,5% SOx removal efficiency: ≥ 88,60% Particulate removal efficiency: ≥ 99,45% Engineering, material and manufacturing of: 2 Spray Dryer Absorbers (13m dia. x 18m height); 1 Bag Filter (total filtering area of 26,072 m

2

); 1 pneumatic conveying system for 35 ton/h of solids; 1 plant for lime slurry preparation (capacity of 10,8 t/h of quicklime); 1 plant for dust recycling from bagfilters; 2 dust storage silos (8m dia. x 17.2 m height); 1 compressed air system (2 x 1,512 m

3/h); Instrumentation,

electric cables, secondary grounding and lightning

2009

26. Gerdau / Siderperu (E-08270)

Chimbote (Peru)

Primary and Secondary Dedusting Systems for a steel complex (LD converters, Electric Arc Furnace, desulfurization and torpedo car): LD converters Supply: charging hood, bagfilter, ID fan, water spray system, spark

arrestor Design: ducts, combustion chamber, water cooled ducts for primary system, quenching tower, spark arrestor Gas Flow: 600,000 m³/h Filtering area: 7,997 m² Electric Arc Furnace Supply: bagfilter, ID fan, spark arrestor Design: ducts, canopy hood Gas Flow: 600,000 m³/h Filtering Area: 7,054 m²

2008

Nº Customer (Order) City (State) Supply Description Year

27. Diferencial Energia e Empreendimentos e Participações Mabe Construção e Administração de Projetos Ltda. (E-07231)

São Luis (MA)

Flue Gas Desulphurization System – FGD Semi-dry 360 MW PORTO DE ITAQUI Spray dryer absorber using rotary atomizers for lime slurry atomization for a pulverized coal fired boiler. Gas flow: 1,210,000 Nm

3/h

Temperature: 118 °C. Sulfur content in coal: up to 1,5% SOx removal efficiency: ≥ 88,78% Particulate removal efficiency: ≥ 99,45% Engineering, material and manufacturing of:

2 Spray Dryer Absorbers (13m dia. x 18m height) 1 Bag Filter (total filtering area of 26,072 m

2 )

1 pneumatic conveying system for 35 ton/h of solids 1 plant for lime slurry preparation (capacity of 10,8 t/h of quicklime) 1 plant for dust recycling from bagfilters 2 dust storage silos (8m dia. x 17.2 m height) 1 compressed air system (2 x 1,512 m

3/h)

Instrumentation, electric cables, secondary grounding and lightning.

2008

28. Diferencial Energia e Empreendimentos e Participações Mabe Construção e Administração de Projetos Ltda. (E-07231)

São Luis (MA)

Flue Gas Desulphurization System – FGD Semi-dry 360 MW PORTO DE ITAQUI Spray dryer absorber using rotary atomizers for lime slurry atomization for a pulverized coal fired boiler. Gas flow: 1,210,000 Nm

3/h

Temperature: 118 °C. Sulfur content in coal: up to 1,5% SOx removal efficiency: ≥ 88,78% Particulate removal efficiency: ≥ 99,45% Engineering, material and manufacturing of:

2 Spray Dryer Absorbers (13m dia. x 18m height) 1 Bag Filter (total filtering area of 26,072 m

2 )

1 pneumatic conveying system for 35 ton/h of solids 1 plant for lime slurry preparation (capacity of 10,8 t/h of quicklime) 1 plant for dust recycling from bagfilters 2 dust storage silos (8m dia. x 17.2 m height) 1 compressed air system (2 x 1,512 m

3/h)

Instrumentation, electric cables, secondary grounding and lightning.

2008

Nº Customer (Order) City (State) Supply Description Year

29. MPX Geração de Energia S.A. Mabe Construção e Administração de Projetos Ltda. (E-07230)

Fortaleza (CE)

Flue Gas Desulphurization System – FGD Semi-dry 2 X 360 MW PORTO DE PECEM Spray dryer absorber using rotary atomizers for lime slurry atomization for a pulverized coal fired boiler. Gas flow: 1,210,000 Nm

3/h

Temperature: 118 °C. Sulfur content in coal: up to 1,5% SOx removal efficiency: ≥ 88,78% Particulate removal efficiency: ≥ 99,45% Engineering, material and manufacturing of:

2 Spray Dryer Absorbers (13m dia. x 18m height) 1 Bag Filter (total filtering area of 26,072 m

2 )

1 pneumatic conveying system for 35 ton/h of solids 1 plant for lime slurry preparation (capacity of 10,8 t/h of quicklime) 1 plant for dust recycling from bagfilters 2 dust storage silos (8m dia. x 17.2 m height) 1 compressed air system (2 x 1,512 m

3/h)

Instrumentation, electric cables, secondary grounding and lightning.

2008

30. Ternium / Siderar (E-07057)

San Nicolas (Argentina)

Dedusting system forthe cast house of blast furnace #1. Gas Flow: 510,000 m³/h Filter area: 5,687 m²

2007

31. Petrobras / Regap (E-07143)

Betim (MG)

Supply of PSA system for Hydrogen Purification.

2007

32. Petrobras / Revap (E-07142)

São José dos Campos

(SP)

Supply of PSA system for Hydrogen Purification.

2007

33. Petrobras / Reduc (E-07141)

Duque de Caxias (RJ)

Supply of PSA system for Hydrogen Purification.

2007

34. Votorantim Metais Siderúrgica Barra Mansa S.A. (E-07107)

Barra Mansa (RJ)

Design, supply and erection of a new bagfilter for the Electric Arc Furnace of Votoraço Plant. Gas Flow: 940,000 m³/h Filtering area: 10,350 m²

2007

35. Areva / Masisa (E-07101)

Cabrero (Chile)

Electrostatic Precipitator for Biomass Boiler. Gas Flow: 251,746 m³/h Collection area: 1,800 m²

2007

36. Andritz (E-07099)

Três Lagoas (MS)

Electrostatic Precipitator for a lime sludge kiln Flow: 361,392 m³/h Collection area: 5,474 m²

2007

37. Holcim Brasil S/A (E-07043)

Barroso (MG)

Supply of 2 Bag Filters for Gas generated in contaminated earth treatment Gas Flow: 3,000 m³/h and 12,500 m³/h

2007

Nº Customer (Order) City (State) Supply Description Year

38. MPX Geração de Energia S.A. Mabe Construção e Administração de Projetos Ltda. (E-07230)

Fortaleza (CE)

Flue Gas Desulphurization System – FGD Semi-dry 2 X 360 MW PORTO DE PECEM Spray dryer absorber using rotary atomizers for lime slurry atomization for a pulverized coal fired boiler. Gas flow: 1,210,000 Nm

3/h

Temperature: 118 °C. Sulfur content in coal: up to 1,5% SOx removal efficiency: ≥ 88,78% Particulate removal efficiency: ≥ 99,45% Engineering, material and manufacturing of:

2 Spray Dryer Absorbers (13m dia. x 18m height) 1 Bag Filter (total filtering area of 26,072 m

2 )

1 pneumatic conveying system for 35 ton/h of solids 1 plant for lime slurry preparation (capacity of 10,8 t/h of quicklime) 1 plant for dust recycling from bagfilters 2 dust storage silos (8m dia. x 17.2 m height) 1 compressed air system (2 x 1,512 m

3/h)

Instrumentation, electric cables, secondary grounding and lightning.

2008

39. Holcim Brasil S/A (E-07042)

Cantagalo (RJ)

Supply of 2 Bag Filters for generated in contaminated earth treatment Gas Flow: 5,000 m³/h and 18,000 m³/h

2007

40. CSN – Cia. Siderúrgica Nacional (E-06163)

Volta Redonda (RJ)

Dedusting system for the cast house of blast furnace #3. Gas Flow: 660,000 m³/h Filtering area: 7,908 m²

2007

41. Vicentin S.A.I.C (E-06054)

San Lorenzo (Argentina)

Electrostatic Precipitator for Biomass Boiler. Gas Flow: 314,000 m³/h Collection area: 4,751 m²

2006

42. Molinos Rio de la Plata (E-05139)

Rosário (Argentina)

Electrostatic Precipitator for Biomass Boiler Technical Supervision for internal elements replacement

2006

43. Molinos Rio de la Plata (E-05014)

Rosário (Argentina)

Electrostatic Precipitator – Supply of collecting plates, discharge electrodes and electrical spare parts.

2006

44. Insea S/A (E-06001)

Vinika (Chile)

Engineering and supply of components for a Wet Electrostatic Precipitator in “Vinika” – Chilean Wine Producer.

2006

45. Gerdau / Açominas (E-05123)

Ouro Branco (MG)

One Electrostatic Precipitator for a Rotary Lime Kiln, in a turn-key job. Gas Flow: 150,000 m³/h Collection Area: 2,546 m² Inlet Dust Conc.: 5,500 mg/Nm³ Outlet Dust Conc.: 50 mg/Nm3

2006

46. Cia. Vale do Rio Doce Mina-Fábrica 1 (E-06104)

Congonhas (MG)

One Electrostatic Precipitator for the “Environmental” Dedusting System of the Pelletizing plant 1, in a turn-key job. Gas Flow: 970,000 m³/h Collection Area: 12,787 m² Inlet Dust Conc.: 20,000 mg/Nm³ Outlet Dust Conc.: 50 mg/Nm³

2006

Nº Customer (Order) City (State) Supply Description Year

47. ArcelorMittal Tubarão (E-06009)

Serra (ES)

Dedusting System for a coke/anthracite plant. Gas Flow: 320,000 m³/h. Filter area: 4,730 m² (bagfilter)

2006

48. ArcelorMittal Tubarão (E-05001)

Serra (ES)

Up grade of bagfilter for raw material handling of blast furnace #1 – Sinter Line. Gas Flow: 480,900 m³/h Filtering Area: 10,564 m²

2006

49. ArcelorMittal Tubarão (E-05001)

Serra (ES)

Bagfilter for raw material handling of blast furnace #1 – Coke Line. Gas Flow: 214,000 m³/h Filtering Area: 3,782 m²

2006

50. ArcelorMittal Tubarão (E-05002)

Serra (ES)

Bagfilter for the Cast House of blast furnace #2. Gas Flow: 450,000 m³/h Filtering Area: 6,195 m²

2006

51. ArcelorMittal (E-05077)

João Monlevade

(MG)

Electrostatic Precipitator for the Secondary Dedusting System of a Sinter Plant (turn-key job). Gas Flow : 700,000 m³/h Collection Area: 8,566 m² Inlet Dust Conc.: 20,000 mg/Nm³ Outlet Dust Conc.: 50 mg/Nm³

2006

52. ArcelorMittal (E-06041)

Timóteo (MG)

Dedusting System for the Cast House and Blast Furnace #1. Gas Flow: 280,000 m³/h Filtering Area: 2,740 m²

2006

53. Gerdau / Cosigua (E-04110)

Sta. Cruz (RJ)

Dedusting System for an Electric Arc Furnace Supply: Bag Filter (reverse air flow) Design: basic/detailed engineering of ducts and hoods Gas Flow: 850,000 m³/h Filtering Área: 16,174 m²

2005

54. Gerdau / Açominas (E-04155)

Ouro Branco (MG)

Dedusting System for a Ladle Furnace and Ferroalloy Silos Supply: hoods, ducts, Bagfilter and ID fan. Gas Flow: 320,000 m³/h Filter Area: 4,298 m²

2005

55. Gerdau / Açominas (E-04094)

Ouro Branco (MG)

Revamp of a Dedusting System for LD Converters, Weighing, Skimmers and KR’s of the Steel Mill Plant (turn key job) Supply: hoods, ducts, bagfilter and ID fan Gas Flow: 720,000 m³/h Filter Area: 8,595 m²

2005

56. CSN – Cia. Siderúrgica Nacional (E-04130)

Volta Redonda (RJ)

01 Wet Electrostatic Precipitator for the Coke Plant (turn-key job). Gas Flow: 30,000 Nm³/h Filter Area: 554 m² Outlet dust concentration: < 10 mg/Nm³

2005

57. Usiminas – Usinas Siderúrgicas de Minas Gerais (E-02076)

Ipatinga (MG)

Bagfilter for dedusting air for the blast furnace blowers. Gas flow: 468,000 m³/h Filtering area: 4,020 m²

2004

Nº Customer (Order) City (State) Supply Description Year

58. Ical – Indústria de Calcinação Ltda. (E-02045)

Pains (MG)

Electrostatic precipitator for a rotary lime kiln plant (turn-key job) Gas flow: 331,850 m³/h Collection area: 6,128 m²

2004

59. Gerdau (E-03054)

Divinópolis (MG) Dedusting system for blast furnace #1, 2 and 3. Gas flow: 312,560 m³/h Collecting area: 9,895 m²

2004

60. Cia. Vale do Rio Doce Mina Fábrica 1 (E-04065)

Congonhas (MG)

01 Electrostatic Precipitator for the Secondary Dedusting System of the Pelletizing plant #1 (turn-key job) Gas Flow: 853,000 m³/h Collecting Area: 7,789 m²

2004

61. Cia. Vale do Rio Doce Mina Fábrica 1 (E-04065)

Congonhas (MG)

01 Electrostatic Precipitator for the Primary Dedusting System of the Pelletizing Plant #1 (turn-key job) Gas Flow: 1,350,000 m³/h Collection Area: 12,481 m²

2004

62. ArcelorMittal Tubarão (E-04032)

Serra (ES)

Dedusting System for the raw material stock yard of blast furnace #3 System1 Gas Flow 382,300 m³/h Filtering Area: 5,157 m² System 2 Gas Flow: 222,900 m³/h Filtering Area: 3,054 m² System 3 Gas Flow: 10,000 m³/h Filtering Area: 136 m² System 4 Gas Flow: 97,290 m³/h Filtering Area: 2,172 m²

2004

63. ArcelorMittal Tubarão (E-03111)

Serra (ES)

Revamp of dedusting system for the LD steel mill Supply: hoods, ducts and pulse-jet bagfilters. Converters area: Gas flow: 2,300,000 m²/h. Weighing, skimmers and KR areas: Gas flow: 1,550,000 m³/h Filtering area: 18,910 m²

2004

64. ArcelorMittal Tubarão (E-03056)

Serra (ES)

Pulse jet bagfilter for the dedusting system of the stock house (coke) of blast furnace #3. Gas flow: 188,000 m³/h Filtering area: 3,050 m²

2004

65. ArcelorMittal Tubarão (E-03056)

Serra (ES)

Pulse jet bagfilter for the dedusting system of the stock house (sinter) of blast furnace #3. Gas flow: 237,000 m³/h Filtering area: 3,050 m²

2004

Nº Customer (Order) City (State) Supply Description Year

66. ArcelorMittal Tubarão (E-03056)

Serra (ES)

Pulse jet bagfilter for the dedusting system of the cast house of blast furnace #3 (System 2). Gas flow: 800,000 m³/h Filtering area: 9,895 m²

2004

67. ArcelorMittal Tubarão (E-03056)

Serra (ES)

Pulse jet bagfilter for the dedusting system of the cast house of blast furnace #3 (System 1). Gas flow: 800,000 m³/h Filtering area: 9,895 m²

2004

68. ArcelorMittal (E-02051)

João Monlevade

(MG)

Electrostatic precipitator for the primary dust collection of the sinter plant (turn-key job). Gas flow: 720,000 m³/h Collection area: 7,433 m²

2004

69. Cia. Vale do Rio Doce Nibrasco Plant 6 (E-01130)

Vitória (ES)

Exhaust caption and dedusting system by electrostatic precipitator with 75 caption points. Gas flow: 915,000 m³/h Collecting area: 11,892 m² .

2002

70. Cia. Vale do Rio Doce Nibrasco Plant 5 (E-01130)

Vitória (ES)

Exhaust caption and dedusting system by electrostatic precipitator with 75 caption points. Gas flow: 915,000 m³/h Collecting area: 11,892 m²

2002

71. CSN – Cia. Siderúrgica Nacional (E-20009)

Volta Redonda (RJ)

Dedusting system for the ladle cleaning and maintenance station at LD steel mill plant, comprised of mobile hoods and ductwork, using the existing filter. Gas flow: 95,000 m³/h

2002

72. Cosipa – Cia. Siderúrgica Paulista (E-02005)

Cubatão (SP)

Upgrade of high-voltage control system of the primary electrostatic precipitator of sinter plant, with the supply of three controllers for the TRs.

2002

73. ArcelorMittal (E-00042)

Timóteo (MG)

Dedusting system for blast furnace 2 cast house, comprised of with usinor purging holes, all iron runners and discharge spouts and a pulse-jet bag filter. Gas flow: 282,000 m³/h Filtering area: 2,579 m²

2002

74. SMS Usiminas Usinas Siderúrgicas de Minas Gerais (E-01136)

Ipatinga (MG)

Dedusting system for ladle furnace and CAS OB 1 and 2 through a pulse-jet bag filter. Gas flow: 300,000 m³/h Filtering area: 3,398 m²

2001

75. ArcelorMittal Tubarão (E-00049)

Serra (ES)

Secondary dedusting system for the steel mill plant comprised of mobile hoods, ductwork and a pulse-jet bag filter. Gas flow: 680,000 m³/h Filtering area: 7,220 m²

2001

76. CSN – Cia. Siderúrgica Nacional (E-00010)

Volta Redonda (RJ)

Dedusting system for torpedo car cleaning station, comprised of mobile hoods, ductwork and a pulse jet bag filter. Gas flow: 150,000 m³/h Filtering area: 1,805 m²

2001

Nº Customer (Order) City (State) Supply Description Year

77. CSN – Cia. Siderúrgica Nacional (E-9006)

Volta Redonda (RJ)

Three completely automatic sealed charging cars for coke batteries IV A/B and V, weighting approximately 130 tons each.

2001

78. CSN – Cia. Siderúrgica Nacional (E-9005)

Volta Redonda (RJ)

Pushing emission control system of coke batteries IV A, IV B, V, through mobile hoods, pipes and two pulse-jet bag-filter filtering plants. Gas flow: 328,600 m³/h Filtering area: 4,083 m²

2001

79. CSN – Cia. Siderúrgica Nacional (E-9005)

Volta Redonda (RJ)

Pushing emission control system of coke battery I, through mobile hoods, pipes and two pulse-jet bag-filter filtering plants. Gas flow: 256,820 m³/h Filtering area: 3,438 m²

2001

80. CSN – Cia. Siderúrgica Nacional (E-9004)

Volta Redonda (RJ)

Dedusting system for the cast house of blast furnace 2, comprised of purging holes, all iron runners and discharge spouts and a pulse-jet bag filter. Gas flow: 645,000 m³/h Filtering area: 6,512 m².

2000

81. CELPAV – Cia. De Celulose e Papel Votorantim (PRE-1062-05-A)

Jacareí (SP)

Up grade of one Electrostatic Precipitator for Recovery Boiler n.º 3. Gas flow: 443,800 m³/h

1999

82. Cia. Vale do Rio Doce Nibrasco (E-7003)

Vitória (ES)

Electrostatic precipitator for the pelletizing plant V. Gas flow: 900,000 m³/h Collecting area: 6,210 m²

1997

83. Cia. Vale do Rio Doce Nibrasco (E-7003)

Vitória (ES)

Electrostatic precipitator for the pelletizing plant VI. Gas flow: 900,000 m³/h Collecting area: 6,210 m²

1997

84. Cia. Vale do Rio Doce Itabrasco (E-7005)

Vitória (ES)

Electrostatic precipitator for the pelletizing plant. Gas flow: 710,000 m³/h Collecting area: 5,175 m²

1997

85. Cia. Vale do Rio Doce Hispanobrás (E-7004)

Vitória (ES)

Electrostatic precipitator for the pelletizing plant. Gas flow: 710,000 m³/h Collecting area: 5,175 m²

1997

86. Cosipa – Cia. Siderúrgica Paulista (E-7001)

Cubatão (SP)

Primary dedusting system for sinter plant 3, through a double chamber electrostatic precipitator. Gas flow: 1,650,000 m³/h Collecting area: 15,400 m²

1997

87. Cosipa – Cia. Siderúrgica Paulista

Cubatão (SP)

Diagnosis of primary electrostatic precipitator of sinter plant 3. 1997

88. Cosipa – Cia. Siderúrgica Paulista (E-6001)

Cubatão (SP)

Pushing emission control system of coke batteries IV, V, through mobile hoods, pipes and two pulse-jet bag-filter filtering plants. Gas flow: 302,720 m³/h Filtering area: 4,223 m²

1996

Nº Customer (Order) City (State) Supply Description Year

89. Cosipa – Cia. Siderúrgica Paulista (E-6001)

Cubatão (SP)

Pushing emission control system of coke batteries I, II, III, through mobile hoods, ducts and two pulse-jet bag-filters. Gas flow: 240,800 m³/h Filtering area: 3,378 m²

1996

90. Cosipa – Cia. Siderúrgica Paulista (E-5001)

Cubatão (SP)

Dedusting system forcast house of blast furnace #2 cast. Pulse-jet bag filter. Gas flow: 390,000 m³/h Filtering area: 4,406 m²

1995

91. Cosipa – Cia. Siderúrgica Paulista (E-5001)

Cubatão (SP)

Dedusting system for the stock house of blast furnace #2, with 110 suction points, ductwork and reverse-air bag filter. Gas flow: 518,400 m³/h Filtering area: 12,916 m²

1995

92. Usiminas – Usinas Siderúrgicas de Minas Gerais (F-4169)

Ipatinga (MG)

Electrostatic precipitator for sinter plant #2. – Secondary Gas flow: 666,000 m³/h Collection Area: 7,768 m²

Before 1994

93. Usiminas – Usinas Siderúrgicas de Minas Gerais (F-4169)

Ipatinga (MG)

Electrostatic precipitator for sinter plant #3. – Secondary Gas flow: 618,000 m³/h Collection area: 9,768 m²

Before 1994

94. Salgema Indústrias Químicas S.A. (F-3509)

Maceió (AL)

Fog eliminating system for chlorine-soda plant. Before 1994

95. Molinos Rio de La Plata (F-4149)

Buenos Aires (Argentina)

Two electrostatic precipitators for biomass boiler. Gas flow: 336,000 m³/h Collection area: 4,835 m²

Before 1994

96. Industria de Papel Simão S/A (F-3723)

Jacareí (SP)

Electrostatic precipitator for recovery boiler. Gas flow: 509,500 m³/h Collection Area: 14,293 m²

Before 1994

97. Ical – Indústria de Calcinação Ltda. (F-3922)

Vespasiano (MG)

Electrostatic precipitator for lime kiln. Gas flow: 190,000 m³/h Collection area: 6,042 m²

Before 1994

98. Cia. Vale do Doce Nibrasco (F-3900)

Vitória (ES)

Electrostatic precipitator pelletizing plant VI. Gas flow: 1,304,400 m³/h Collection area: 8,919 m²

Before 1994

99. Cia. Vale do Doce Nibrasco (F-3900)

Vitória (ES)

Electrostatic precipitator for the pelletizing plant V. Gas flow: 1,304,400 m³/h Collection area: 8,919 m²

Before 1994

100. Cia. Vale do Doce (F-4159)

Vitória (ES)

Electrostatic precipitator for the pelletizing plant. Gas flow: 1,272,600 m³/h Collection area: 8,919 m²

Before 1994

101. Cosigua – Cia. Siderúrgica de Guanabara (F-3590)

Nova Iguaçu (RJ)

Dedusting system with bag-house. Gas flow: 195,000 m³/h

Before 1994

Nº Customer (Order) City (State) Supply Description Year

102. Cenibra – Celulose Nipo-Brasileira S.A. (F-4189)

Belo Oriente (MG)

Electrostatic precipitator for sludge lime kiln (Ahlstrom). Gas flow: 97,000 m³/h Collection area: 2,512 m²

Before 1994

103. Cenibra – Celulose Nipo-Brasileira S.A. (F-4189)

Belo Oriente (MG)

Electrostatic precipitator for lime kiln (FLS). Gas flow: 97,000 m³/h Collection area: 2,512 m²

Before 1994

104. Celpav – Cia. Celulose e Papel Votorantim (F-3603)

Luiz Antonio (SP)

Deodorization system. Before 1994