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The Association of German Engineers (VDI) with almost 150,000 members, of whom more than a third are students and engineers younger than 33 years of age, is one of the biggest technical- scientific associations in Europe. VDI has extended its activities successfully both nationally and internationally over the years and it has been making great efforts to spread knowledge in the areas related to technologies. As a financially independent, politically unclassified and non-profit organization, it is respected by engineers as well as by professionals and the general public.
Quality criteria for biogas plants.
(Gütekriterien für Biogasanlagen.)
Standard published on 1.2.2011
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Power-to-X - Methanation - System parameters and measurands.
(Power-to-X - Methanisierung - Systemparameter und Messgrößen.)
Standard published on 1.9.2024
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Power-to-X - Liquid hydrocarbons.
(Power-to-X - Flüssige Kohlenwasserstoffe.)
Standard published on 1.9.2025
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Power-to-X - Approval procedures for Power-to-X plants.
(Power-to-X - Genehmigungsverfahren für Power-to-X-Anlagen.)
Standard published on 1.8.2024
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Thermal use of the underground - Fundamentals, approvals, environmental aspects.
(Thermische Nutzung des Untergrunds - Grundlagen, Genehmigungen, Umweltaspekte.)
Standard published on 1.6.2010
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Thermal use of the underground - Fundamentals, approvals, environmental aspects, Corr. concerning guideline VDI 4640 Part 1:2010-06.
(Thermische Nutzung des Untergrunds - Grundlagen, Genehmigungen, Umweltaspekte, Berichtigung zur Richtlinie VDI 4640 Blatt 1:2010-06.)
Correction published on 1.12.2011
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Thermal use of the underground - Ground source heat pump systems.
(Thermische Nutzung des Untergrunds - Erdgekoppelte Wärmepumpenanlagen.)
Standard published on 1.6.2019
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Thermal use of the underground - Ground source heat pump systems, Corr. concerning standard VDI 4640 Part 2:2019-06.
(Thermische Nutzung des Untergrunds - Erdgekoppelte Wärmepumpenanlage, Berichtigung zur Richtlinie VDI 4640 Blatt 2:2019-06.)
Correction published on 1.4.2020
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Utilization of the subsurface for thermal purposes - Underground thermal energy storage.
(Thermische Nutzung des Untergrundes - Unterirdische Thermische Energiespeicher.)
Standard published on 1.6.2001
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Thermal use of the underground - Direct uses.
(Thermische Nutzung des Untergrundes - Direkte Nutzungen.)
Standard published on 1.9.2004
Selected format:Latest update: 2025-09-14 (Number of items: 2 232 183)
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