• CPN - Katowice District, Tank farm in Boronowo near Czestochowa; Air -tight sealing system for tanks and tank trucks gasoline loading arms, including gasoline vapours recovery system OPW - 1 (1995)
  - total capacity of air-tight sealed tanks - 30 000 m3,
  - gasoline vapours recovery system capacity - 450 m3/h,
• Trzebinia Refinery S.A. in Trzebinia; Loading terminal - loading arms stands, air purification plant based on absorption process and gasoline vapours recovery system (2000)
  - loading terminal capacity: 1 mln tons /year,
  - gasoline vapours recovery system capacity: 800 m3/h.

• Polish Oil-Mining and Gas Engineering S.A. seated Warszawa, Silesian, Gasworks in Zabrze:
• Modernization and construction of low and high pressure gas distribution systems in towns of Tychy, Ruda Slaska, Pyskowice, Gliwice, Zawiercie and Knurow (1990 -1997),
• Modernization and construction of gas reducing-metering stations (of 1st and 2nd stage ) of capacity range 1 000 - 15 000 Nm3 h in Kleszczow, Ruda Slaska, Bytom (1992-2003).

1. COKE OVEN GAS DESULPHURIZATION PLANTS

• Coking Plant at Czestochowa Steelworks in Czestochowa; Catalytic - Soda Process, capacity of 50 000 Nm3/h, residual H2S content below 0.1g/Nm3 (1993),
• Zdzieszowice Coking Plant in Zdzieszowice; Ammonia Process, capacity of 2 x 60 000 Nm3/h, residual H2S content below 0,4g/Nm3 (1997),
• KK Zabrze, Radlin Coking Plant in Radlin; Ammonia Process, capacity of 30 000 Nm3/h, residual H2S content below 0.4 g/Nm3 (1999),
• ZK Walbrzych, Victoria Coking Plant in Walbrzych; Catalytic-Soda Process, capacity of 30 000 Nm3h, residual H2S content below 0.1 g/Nm3 (2000).

2. COKE OVEN GAS COOLING PLANTS

• KK Zabrze, Radlin Coking Plant in Radlin; 4 horizontal tube type coolers, cooling surface 2 200 m2/1 cooler. (1995),
• Coking Plant at Czestochowa Steelworks in Czestochowa; 2 horizontal tube type coolers, cooling surface 4 800 m2/1 cooler. (1995),
• Zdzieszowice Coking Plant in Zdzieszowice; 3 horizontal tube type coolers, cooling surface 1 900 m2/1 cooler (1995),
• Coking Plant at Sendzimir Steelworks in Krakow; 3 coolers, cooling surface 6 000 m2/1 cooler (1996),
• J. Šverma Coking Plant in Ostrava - Czech Republic; 2 horizontal tube type coolers, cooling surface 4 000 m2/1 cooler (1996),
• Coking Plant at Trinec Steelworks - Czech Republic; 2 horizontal tube type coolers, cooling surface 1 900 m2/1 cooler (1997),
• Coking plant at Steelworks in Bytom; 1 horizontal tube type cooler, cooling surface 3 000 m2 (2000).
• J. Šverma Coking Plant in Ostrava - Czech Republic; 1 horizontal tube type cooler, cooling surface 4 000 m2 (2002).
• OKD-OKK Svoboda Coking Plant - Czech Republic; Overhaul of the primary cooler (2002).

3. WATER CHILLING PLANTS

• Zdzieszowice Coking Plant in Zdzieszowice; Chilling plant of capacity of 2 x 2 100 kW (1995 ),
• Radlin Coking Plant in Radlin; Chilling plant of capacity of 3 x 2 100 kW (1999).

4. BENZOL ABSORPTION PLANTS

Equipped with benzol scrubbers with a single-stage spraying system and a new "plano-parallel" type of packing (of new generation)

• Coking Plant at Sendzimir Steelworks in Krakow; Plant of capacity of 70 000 Nm3/h, 2 scrubbers DN 3600, residual benzol content in coke oven gas below 3 g/Nm3 (1994),
• Coking Plant at Czestochowa Steelworks in Czestochowa; Plant of capacity of 60 000 Nm3/h, 1 scrubber DN 4000, residual benzol content in coke oven gas below 3 g/Nm3 (1995),
• Zdzieszowice Coking Plant in Zdzieszowice; Plant of capacity of 2 x 60 000 Nm3/h, 2 scrubbers DN 4000, residual benzol content in coke oven gas below 3 g/Nm3 (1995).
• U.S. STEEL Kosice, s.r.o., Coking Plant; completion on "turn-key" basis of a complex plant with capacity of 70 000 - 120 000 Nm3/h, 1 scrubber DN 4800, H=33 m, residual benzol content in coke oven gas below 3 g/Nm3 (2002). Dismantling of 6 benzol scrubbers and modernizing of gas pipelines at Benzol absorption plant ( 2003).
• Coking Plant at Tricec Steelworks - Czech Republic; Construction of the plant for benzol absorption from wash oil ( 2003),
• KK Zabrze S.A. - Radlin Coking Plant; Benzol absorption plant with capacity of 40 000 Nm3/h, 1 scrubber DN 2800. Turn-key project (2003).
• J. Šverna Coking Plant in Ostrava - Czech Republic; Construction of new benzol scrubber, turn-key project ( 2004),
• Przyjaźń Coking Plant in Dabrowa Gornicza; Modernization of benzol loading terminal, turn-key project ( 2004).

5. AIR-TIGHT SEALING SYSTEMS FOR UNITS AND EQUIPMENT OF BY-PRODUCTS PLANTS AT COKING PLANTS

Such systems designed to protect atmospheric air against pollution have been constructed at the following plants:

• Coking Plant at Nova Hut in Ostrava - Czech Republic (1994),
• J. Šverma Coking Plant in Ostrava - Czech Republic (1997),
• Zdzieszowice Coking Plant in Zdzieszowice (1997),
• Coking Plant at Czestochowa Steelworks in Czestochowa (1997),
• Przyjazn Coking Plant in Dabrowa Gornicza (1998),
• Coking Plant at Sendzimir Steelworks in Krakow (1998 r),
• KK Zabrze, Radlin Coking Plant in Radlin (1999),
• Coking Plant at Trinec Steelworks - Czech Republic (1999).

6. OTHER PLANTS

• BOZZETTO - POLSKA Ltd, in Zabrze; Construction of the plant for production of NSF plasticizer for concrete (2001),
• PETROCHEMIA-BLACHOWNIA S.A.; Crude benzol tank V= 1500 m3(2001).

• Coking Plant at Czestochowa Steelworks in Czestochowa: Coke side dedusting system for Batteries No. 1,2 and 4, gas throughput 160 000 m3/h, (1990 -1992),
• Zdzieszowice Coking Plant in Zdzieszowice; Coke side dedusting system for Batteries No. 5 and 6, gas throughput 200 000 m3/h, (1990),
• J. Šverma Coking Plant in Ostrava - Czech Republic; Coal grinding plant dedusting system, gas throughput 80 000 m3/h (1996),
• Bolesław Mining-Metallurgical Works in Bukownio; Ash screening plant dedusting system, gas throughput 11 000 m3/h (1996),
• Coking Plant at Sendzimir Steelworks in Krakow; Coke side dedusting plant at Coke Oven Battery with chambers of 5,5 m height and Coke Dry Quenching Plant, gas throughput 260 000 m3/h (1998),
• Zdzieszowice Coking Plant in Zdzieszowice; Coke side dedusting system for Battery No. 8 (Design and commissioning in 2004).

All of plants mentioned above guarantee that dust content in outlet gases does not exceed the admissible limits

• GZG Czestochowa; Area management and Gas Distribution Station in Czestochowa (1994 ),
• Bottrop - Germany; Halls for MOVIE WORLD - WARNER BROTHERS (1994),
• GZG Zabrze; Workshop - welfare multifunctional building (1994),
• Zabrze, School sports hall (1994 ),
• KK Zabrze, Radlin Coking plant in Radlin; Multifunctional building (1995),
• GZG Zabrze; Gas Distribution Station in Bytom (1996),
• GZG Zabrze; Office building in Zabrze (1997),
• Zabrze, Internal Revenue Office - office building (1997),
• Radomsko, Welfare buildings - production workshop (1998),
• Area of Special Economic Zone of Lodz, ORSA Group Companies, Production Workshops Complex (2000),
• BOZETTO - Polska Company; Production Workshops Complex (2001).

• SGL - CARBON - Nowy Sacz;
  Acheson type furnace (1990)
  - with cooled walls and bottom,
  - max temperature - up to 3000oC,
  - charge capacity - up to 200 Mg,
  - heating capacity - 12,5 MW,
• SGL - CARBON - Nowy Sacz;
  Plant for tar removal from waste gas (1990),
  - initial concentration - 0,17 g/m3,
  - outlet concentration - tar - max. 4mg/m3,
  - BAP - 0,01mg/m3.
• ZEW S. A. - Raciborz;
  Acheson type furnace (1994)
  Technical characteristics - the same as for the furnace for SGL CARBON.
• ZEW S. A. - Raciborz;
  Castner type furnace (1996)
  - max. temp. - up to 3000 oC,
  - semi-product max diameter - 640 mm,
  - max current intensity in a column - 120 kA.
• Novocherkassk Electrode Plant - Russia
  Furnace for primary baking of graphite electrodes and anodes (2003)
  - number of chambers - 30,
  - number of fires - 2,
  - baking temperature - 1250 oC,
  - capacity - 20 000 t/y.
• Cheliabinsk Electrode Plant - Russia
  Furnace for primary baking of green semi-products (under construction)
  - number of chambers - 20,
  - number of fires - 1,
  - baking temperature - up to 1300oC,
  - capacity - 15 000 t/y.
• Novosibirsk Electrode Plant - Russia
  Furnace for primary baking of green semi-products ( under construction)
  - number of chambers - 32,
  - number of fires - 2,
  - baking temperature - up to 1250oC,
  - furnace capacity - 15 000 t/y.