Environment

According to the provisions of the enforceable legislation (Law 278/2013 on industrial emissions, GEO 195/2005 on environment protection approved by Law 265/2006, with further modifications and completions, OM 818/2003, for approval of the procedure for issuing the Integrated Environment Authorization, with further modifications and completions, GD no 38/2015 regarding the organization and functioning of the Ministry of Environment, Water and Forestry, Governmental Decision no. 1000/2012 regarding the reorganization and functioning of the National Environmental Protection Agency and of the public institutions under its subordination , OM 169/2004 for the approving the direct confirmation of the BREF Best available techniques reference documents, approved by the European Union), FERAL SRL TULCEA owns INTEGRATED ENVIRONMENTAL AUTHORIZATION no. 3 of 28.10.2016 valid until 28.10.2026.

 

Authorized site activities:

– CAEN Code 2410 Manufacturing the ferrous metal in primary forms and ferro-alloys

– CAEN Code 2-3831 Demantling (disassembly) of end-of-life machinery and equipment for the recovery of materials

– CAEN Code 2- 3832 Recovery of sorted recyclable materials

– CAEN Code 4677 Wholesale of waste and scrap

– CAEN Code 4941 Road transport of goods

– CAEN Code 4675 Wholesale of chemical products

– CAEN Code 3811 Non-hazardous waste collection

– CAEN Code 2- 4671 Wholesale of solid, liquid and gaseous fuels and their derivatives.

 

FERAL SRL Tulcea produces and sells the following types of ferroalloys: HC FeMn, FeSiMn, HC FeCr, FeSi. Feral SRL Tulcea also sells construction aggregates resulting from the slag processing resulting from the ferroalloys manufacturing process.

The basic raw materials consists of: manganese ore, manganese ore concentrate, sintered manganese ore, chromium ore, coke, quartz, limestone, tunder. The raw materials are generally supplied with barges and ships in the Mineral Ports of Tulcea or Constanta and are brought to the warehouses by truck and railway means of transport.

The unit’s operational processes can be sequentially split as it follows:

– the supply with raw materials;

– preliminary processing of raw materials:

– crushing;

– screening;

– internal transport and raw materials batching;

– ferroalloys manufacturing:

– the raw materials melting in furnaces with self-baking electrodes;

– tapping in casting pots;

– separation of slag from metal;

– pouring metal into ingots;

– Finishing of ferroalloys

– crushing;

– sorting;

– dispatch of the finished product according to the chemical and granulometric quality, bulk or packaged

The main facilities and installations of the plant consist of:

SECTION FERO I, consists of:

– 4 electric, continuous, three-phased, rotary, semi-closed furnaces with 3 Soderberg type self-baking electrodes each, powered by 3 5.5 MVA single-phase transformers, with an installed power of P = 16.5 MVA;

– 1 electric, three-phased rotary, semi-closed furnace, with 3 Soderberg type self-baking electrodes, powered by 1 three phased transformer, with an installed power of P = 21 MVA.

SECTION FERO II, consists of:

– 5 electric, continuous, semi-closed electric furnaces with 3 Soderberg type self-baking electrodes, powered by 3 three-phase transformers of 110 / 0.4 KV, as follows:

– 2 electric furnaces – furnace no. 6 and oven no. 9 – with an installed power of P = 55 MVA;

– 1 electric furnace – furnace no. 7 – with an installed power of P = 43 MVA;

– 2 electric furnaces – furnace no. 8 and furnace no. 10 – with an installed power of P = 60 MVA;

The electric power is provided on a contractual basis from the national energy system through its own connection stations. The amount of energy consumed is permanently monitored and metered, effective usage measures being applied.

MONITORING THE ACTIVITY

1.1 Environmental air factor

                    The main pollutants released in the atmosphere from the activities of SC FERAL SRL consist of mineral powders (with silicon, manganese, chromium, iron oxides) and gaseous pollutants (carbon monoxide, sulfur dioxide, nitrogen oxides).

The directed emission sources of pollutants in the atmosphere – dispersion towers – are located at a height of 40 m and emit both dusts (mostly of small sizes) and gaseous pollutants. High heights, high evacuation velocities and high temperature emissions favor the dispersion of pollutants into the atmosphere, reducing the pollution at the soil level. Undirected sources are medium (luminators) and low height (associated with crushing, transporting, etc.) and release larger and more easily sedimentable dust, pollution at the soil level  due to them being local, especially within the unit.

In order to reduce emissions from undirected sources, the unit has taken measures to improve the capture system of capting during tappings, the use of trucks covered with tarpaulins for the internal transport of powdered raw materials, the putting in action of the pelleting plant, the restoration of the production halls and the depollution section (rehabilitation of the Fero I piping). The improvement of the burnt gas filtration installations, including the closing of the luminators. The enhancing of the drilling machines for the closure of the tapping holes has led to a reduction in the pollutants sourcing at this stage.

 

The emission limit values for C1-C15 towers are shown in the table below

 

Activitity Emission Emission points Fuel VLE

(mg/ Nm3)

Remarks
Ferroalloys manufacturing Dusts  

Fero I and Fero II

C1 – C10 dispersion towers

 

5  

Following the investments made under the AIM 23/2007 Action Plan, the emissions fall within the VLE

SO2 100
Nox 100
TOC 50
F 1,5
Cd 0,02
Pb 0,005
∑ (Hg, Cd, Pb) 0,2
Ni+Crtotal+Mn <5
PCDD/F 0,5 ng/m3 TEQ
Ferroalloys crushing Dusts C11, C12, C13 30
 

Heating station

 

 

Dusts C14, C15 heating station towers Natural gas 50
Carbon monoxide 100
SO2 35
NOx 350

 

1.2. Water environment factor

– Industrial water is used for the indirect cooling of some components of the ferroalloys manufacturing furnaces, which is fully recirculated, being necessary to periodically suplement it as a result of thermal losses by evaporation (about 15%), for cooling of these waters, two cooling towers are used. The industrial water is captured from a drilled well.

– Drinking water is used for household purposes, in the canteen, and for the supply of fire hydrants. Drinking water is captured from the city network. domestic waste water is discharged into the municipal sewerage network. To reduce pollution, the canteen collector was enhanced with a grease separator

– Consumption of both drinking water and industrial water is counted.

 

Limit values of water quality indicators

Water category Indicator VLE according AIM

(mg/l)

Exhausting point
Pluvial waters pH 6,5-9 SC ALUM SA – Somova pond pluvial waters collector
Total materials in suspension 60
CBO5 25
Chlorides 500
CCOCr 125
Amoniacal nitrogen  (NH4+) 10
Total phosphorous 3
Total nitrogen 15
Total IRON 5
SET 30
Magnesium 100
Petrol product 5
Fixed resid 2000
Used household water   pH 6,5-8,5 connection to the urban sewerage network AQUASERV SA, Taberei street
  Materials in suspension 350
  CBO5 300
  CCOCr 500
 Filtered resid at 105°C 2000
 Sintetic detergents 30
 Amoniacal nitrogen  
 Extractible substances with organic solvents  

 

Reference values for groundwater quality are the values measured at drilling commissioning

 

Sample taking place Quality indicator analyzed Reference measured value (mg/l)
1 2 3
Industrial water catchment drilling pH 6,5-8,5
Ca 28
Mg 31,59
Fe
Si
Mn
Cr
Amonium 0,230
Chlorides 28,4
Sulphates 3,62
Azotati 2
CCOMn 3,47

 

 

1.3. Soil environmental factor

The soil pollution is due to the low level atmospheric emission sources and historical accidental pollution. As a result of the analyzes carried out at the sampling points on the perimeter of the site, there were no exceedances of the alert threshold and intervention of the reference values, according to MAPM Order 756/1997 for less sensitive usage soil.

In order to reduce the soil pollution, a study of a solution for the capture of fugitive emissions from ferroalloy furnaces was performed, that was implemented both in Fero I, by installation of fans in furnace tapping areas and at Fero II where the  furnace tapping areas were closed and fans were mounted to capture fugitive emissions. The measures taken in order to reduce the pollution through undirected atmospheric emission sources have contributed to reducing the soil pollution. Other measures to reduce the soil pollution consist of concreting the warehousing and transport areas within the unit.

 

Reference values for soil chemical elements are shown in the table below:

 

Nr. crt. Place of sampling:

on the surface

in depth to 30 cm

Analyzed indicator Values limit less sensitive uses

(mg / kg dry substance)

Legal base
1. Canteen area, near the unit fence;

Gate 1 – External Pavilion and Taberei Street;

Taberei Street;

Central Warehouse;

Area of Slag Processing Section;

Fuel Warehouse Area

Copper 250 MAPPM Order no. 756/1997 – approval of the Regulation on Environmental Pollution Assess
Zinc 700
Lead 250
Nickel 200
Cadmium 5
Cr 300
 

Mn

 

 

2000

 

1.4. Environmental noise factor

                    Noise measurements are performed by specialized laboratories,

Noise generating operations take place in production halls or in specially designed areas, taking measures to shield the noise sources;

In the case of the purchase of new machinery and equipment, before their mounting, the activity holder presents the measurement reports issued and guaranteed by the manufacturer to the environmental authorities;

The noise emissions are within the permissible noise level of 65 dB (A), for the heavy industrial area, according to the MEWM Order no. 678/2006 for the approval of the Guidelines on the Interim Methods for Calculation of Noise indicators for the noise produced by activities in the industrial areas, road, railway and air traffic in the vicinity of airports.

 

                    WASTE MANAGEMENT

 

The waste generated by the company is managed in according to the provisions of Law 211/2011 and the HG. no. 856/2002 on the waste management records and for the approval of the list of wastes comprising hazardous wastes, with subsequent amendments.

For waste generation, the following are monitored and recorded:

▪ physical and chemical composition of the waste;

▪ the characteristic hazard;

▪ handling precautions and substances that can not be mixed.

The waste is temporarily stored on classes in designated locations, in order to be traded / eliminated via authorized companies.

Th waste is temporarily stored in specially arranged places so it can be prevented any contamination of the soil and the sewerage network. The waste resulting from the ferroalloys manufacturing process – the poor manganese or chrome content slag in is processed in the own crushing plant, by size ranges with a view to trading as building material and as the concrete making material.

The operator makes-up a complete register of issues and issues related to waste management operations and practices on the site and is made available to the authorized persons of the competent authority for environmental protection and the authority with control responsibilities.