Item
Unit
kgCO2eq.Unit−1
Especification
Note
Steel
kg
0.06155
Market for steel in car crusher residue, global values
Steel is a widely studied item and the Ecoinvent database has 359 entries for this item. It was considered only global values due to the lack of data related to Brazil; this reduced the number of items to 114. Of this group, we believe that 1 item had a definition similar to the steel used for vehicles.
Stainless steel
kg
213.65
Market for outside air intake, stainless steel, DN 370, global values
Few results are found for the item, among the 359 items for steel only 3 of them were associated with stainless steel, and we believe that one of them was the closest we needed.
Aluminium
kg
0.74714
Market for sheet rolling, aluminum, global values
Aluminum is another widely studied and vast item in the database, with 329 entries. When considered only global values reduced to 81 entries. Four of them were related to aluminum plates; however, only one approached the definition sought.
Bronze
kg
4.7592
Market for bronze, bronze, global values
There are not many results in the Ecoinvent database for the Bronze item, only 10. As there were no data for Brazil, only global data were considered, filtering for only 3 entries. We think that one of them was the most appropriate.
Cast iron
kg
1.8604
Market for cast iron, global values
For cast iron, there are 39 input items and were filtered for 13 when considering only global data; however, 1 was considered.
Diesel
MJ
0.37971
Market for transport, passenger car, large size, diesel, EURO 5, global values
Diesel has 122 entries, it was considered only global items and diesel for transporting large vehicles, reducing the search to 3 entries. One of them was selected as suitable for our study.
Electricity
kW
0.7575
Market group for electricity, medium voltage, global values
For electricity, medium voltage supply and global values were considered. It resulted in 2 items, one of them was considered ideal for use in the briquette factory.
Briquette
MJ
0.03159
Market for hard coal briquettes, RER
The briquette has 18 entries in the Ecoinvent database. It was considered that only one of them was compatible with this work.
1
Structure rental
Amount
Unit
Unit value (R$ month−1)
Total (R$ year−1)
1.1
Land area
4,000
m2
15,000.00
180,000.00
1.2
Covered area (within 4,000 m2)
2,000
m2
1.2.1
Reception and raw material storage area
1.2.2
Production shed
Warehouse and Analysis Laboratory
Finished products storage area
Area for the Administration and Sales sectors
Total Structure
180,000.00
2
Equipment
Amount
Unit
Life cycle (years)
Unit value (R$ month−1)
Total (R$ year−1)
2.1
Briquette factory
Factory assembly machinery
TMF 3280 Waste Crusher
1
Unit
10
80,000.00
8,000.00
Input Redler
2
Unit
10
36,000.00
7,200.00
Chupim dryer
2
Unit
10
28,000.00
5,600.00
Drum dryer B-12000
2
Unit
10
267,000.00
53,400.00
Pneumatic transport system
1
Unit
10
69,000.00
6,900.00
Air dosing silo
1
Unit
10
26,000.00
2,600.00
Briquette machine B 85/210
1
Unit
10
192,500.00
19,250.00
Engine of briquetting machine (60 hp)
1
Unit
10
14,500.00
1,450.00
Briquetting control panel
1
Unit
10
15,000.00
1,500.00
Wheel loader
1
Unit
5
19,500.00
3,900.00
Compactor collection truck (own)
1
Unit
5
200,000.00
40,000.00
Chest truck (small)
1
Unit
5
75,000.00
15,000.00
Total machinery and transportation
164,800.00
2.2
Office supplies (materials)
Table
5
Unit
5
310.00
310.00
Chairs
15
Unit
5
140.00
420.00
Computers
3
Unit
3
1,633.33
1,633.33
Laser printer
2
Unit
5
600.00
240.00
Fax
2
Unit
5
450.00
180.00
Phone
4
Unit
5
62.50
50.00
Total office supplies
Unit
2,833.33
Total equipment
Unit
167,633.33
3
Employees
Amount
Unit
Unit value (R$ month−1)
Total(R$ year−1)
Reception
1
People
2,000.00
24,000.00
Sales
1
People
3,500.00
42,000.00
Driver
2
People
3,500.00
84,000.00
Performing administrative activities
1
People
3,500.00
42,000.00
Production area (4–7 employees)
5
People
3,500.00
210,000.00
Total employees
402,000.00
4
Costs
Amount
Unit
Monthly value (R$ Unit−1)
Total(R$ year−1)
4.1
Fixed
Water, electricity, phone, and Internet
1
Unit
1,450.00
17,400.00
Electricity at the factory=63 kWh
160
Hours
30.24
58,060.80
Accounting advice
1
Unit
1,100.00
13,200.00
Office material (office)
1
Unit
800.00
9,600.00
Fuel
320
L
4.00
15,360.00
Total Fixed Costs
113,620.80
4.2
Variable
Equipment maintenance
1
Unit
3,500.00
42,000.00
Packaging
1
Unit
6,800.00
81,600.00
Govermental tax
1
Unit
2,736.00
32,832.00
Other taxes, contributions, and fees a
1
Unit
22,780.00
273,360.00
Total variable costs
429,792.00
Total fixed and variable costs
543,412.80
Total
1,293,046.13
Source: BRIQUEMAX Company and market values obtained from other companies.
a68% of total costs with employees.
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Source: Prepared by the authors.
Source: Prepared by the authors.
Source: Prepared by the authors.
Source: Prepared by the authors.