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UNE - Spanish national standards - Page 239

Standards UNE - Spanish national standards - Page 239

Spanish national standards UNE are published by the company AENOR, which deals with the development of national standardization and certification in all industrial and services sectors. Its aim is to contribute to the quality, competitiveness and improvement of companies and to protect the environment.

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Preview UNE-EN 12255-15:2004 11.6.2004
UNE-EN 12255-15:2004

Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants

Standard published on 11.6.2004

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electronic design (pdf) (78.00 USD)


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78.00 USD


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Preview UNE-EN 12255-16:2022 9.3.2022
UNE-EN 12255-16:2022

Wastewater treatment plants - Part 16: Physical (mechanical) filtration

Standard published on 9.3.2022

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electronic design (pdf) (88.10 USD)


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88.10 USD


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Preview UNE-EN 12255-3:2024 9.10.2024
UNE-EN 12255-3:2024

Wastewater treatment plants - Part 3: Preliminary treatment

Standard published on 9.10.2024

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electronic design (pdf) (107.40 USD)


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107.40 USD


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Preview UNE-EN 12255-4:2023 20.12.2023
UNE-EN 12255-4:2023

Wastewater treatment plants - Part 4: Primary treatment

Standard published on 20.12.2023

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electronic design (pdf) (90.40 USD)


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Preview UNE-EN 12255-5:2024 27.11.2024
UNE-EN 12255-5:2024

Wastewater treatment plants - Part 5: Lagooning processes

Standard published on 27.11.2024

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electronic design (pdf) (74.60 USD)


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74.60 USD


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Preview UNE-EN 12255-6:2024 20.3.2024
UNE-EN 12255-6:2024

Wastewater treatment plants - Part 6: Activated sludge process

Standard published on 20.3.2024

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electronic design (pdf) (140.10 USD)


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140.10 USD


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Preview UNE-EN 12255-7:2003 28.3.2003
UNE-EN 12255-7:2003

Wastewater treatment plants - Part 7: Biological fixed-film reactors.

Standard published on 28.3.2003

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electronic design (pdf) (73.50 USD)


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73.50 USD


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Preview UNE-EN 12255-8:2025 15.1.2025
UNE-EN 12255-8:2025

Wastewater treatment plants - Part 8: Sludge treatment and storage

Standard published on 15.1.2025

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electronic design (pdf) (117.50 USD)


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Preview UNE-EN 12255-9:2024 3.7.2024
UNE-EN 12255-9:2024

Wastewater treatment plants - Part 9: Odour control and ventilation

Standard published on 3.7.2024

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Preview UNE-EN 12257:2003 17.1.2003
UNE-EN 12257:2003

Transportable gas cylinders - Seamless, hoop-wrapped composite cylinders.

Standard published on 17.1.2003

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electronic design (pdf) (93.80 USD)


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