Micro-gas grids – an innovative approach for bio-methane production?
© Agrar- und Umweltwissenschaftliche Fakultät Rostock (6/2012)
Bio-methane production makes spatial and temporal decoupling of biogas production and utilization possible allowing for optimized use of energy from biogas. Nevertheless the technology is usually not applicable in regions characterized by small-scale agriculture due to heavy reliance on large inputs of energy crops. The overall objective is to investigate under which technical framework conditions the concept features of micro-gas grids can energetically optimize the bio-methane utilization pathway and how this insight can be used to speed up the integration of smallscale plants into the bio-methane market. In a first research step the Cumulative Energy Demand (CED) approach is to be applied. The parameters of the micro-gas grid model to be used in the CED have been calculated on the basis of literature data and information gained from expert interviews.

The Neglected Consumer: The Case of the Smart Meter Rollout in the Netherlands
© Lexxion Verlagsgesellschaft mbH (12/2011)
Smart metering is an important tool in support of the transition to decentralized renewable energy production. However, the introduction of such a new tool requires careful preparation in order to convince people to accept it in their homes. The Dutch experience shows, that smart metering is up for failure when the technical and commercial aspects are considered to be more important than the interests of the end users. This paper examines the procedural and material prerequisites to engineer standards for smart metering in such a way that the interests of all parties involved are reflected in the outcome.

Land Use, Climate Change and Emissions Trading
© Lexxion Verlagsgesellschaft mbH (12/2011)
European and International Legal Aspects of the Post-Kyoto Process

Natural Gas Pipelines for Biomethane Distribution
© Agrar- und Umweltwissenschaftliche Fakultät Rostock (11/2011)
The structure of the gas sector in Poland is monopolized by the Capital Group of the Polish Oil and Gas company. The company’s main areas of activity are: exploration, exploitation of natural gas and crude oil, as well as import, storage, marketing and distribution of gas and liquid fuels. Natural gas comes from two sources – imports (68 %) and domestic production (32 %). Natural gas is imported mainly from Russia. Small amounts are also imported from Turkmenistan, Uzbekistan, Germany, Ukraine and the Czech Republic.

Potential of biomethan production in Baltic Sea Region
© Agrar- und Umweltwissenschaftliche Fakultät Rostock (11/2011)
In this paper the conditions of biogas production in the Baltic Sea Region countries of Poland, Sweden and Finland will be discussed. Perspectives on the growth of the biogas sector in all these countries will also be presented. Furthermore, the paper will consider biogas supplying possibilities for urban transport buses. The article is based on the information gained from the international project “Biogas Baltic Bus” and the resulting report entitled SUMMARY ELABORATION ON THE PRODUCTION AND POTENTIAL PRODUCTION OF BIOGAS IN THE BALTIC SEA BASIN COUNTRIES TODAY AND IN THE PERSPECTIVE OF THE NEXT YEAR .

Investigation of systems for the detection of third-party impact on high-pressure gas pipelines
© DIV Deutscher Industrieverlag GmbH (10/2011)
Construction activities may cause damage to pipelines and thus present a potential risk to pipeline integrity. Existing organizational measures such as regular pipeline patrols by vehicle or pipeline surveys by plane as well as rules and regulations to be observed by outside companies performing work in a pipeline’s right-of-way help to reduce this risk effectively. Appropriate technical monitoring methods are an additional means to protect pipelines against external influences. Under a comprehensive research project DVGW examined new methods for monitoring high-pressure gas pipelines and preventing third-party impact (TPI). The project focused on the TPI systems available on the market for continuous pipeline monitoring to ensure prompt detection of thirdparty activity. The TPI systems considered most suitable for the purpose were selected and tested in the field. The project also included an evaluation of the systems tested and recommendations for action.

Design of a pipeline rehabilitation including the modern approach of PIMS and RMS
© DIV Deutscher Industrieverlag GmbH (10/2011)
An Eastern European pipeline operator was facing challenges regarding the integrity of an existing pipeline system in which several leaks and accidents had already occurred. In order to render the system “Fit for Purpose” a number of tests and rehabilitation possibilities were analysed by ILF Consulting Engineers and an optimum rehabilitation concept defined. The actual condition of the pipeline system was first assessed with respect to current standards, resulting in recommendations for the replacement or rehabilitation of some pipeline sections. The future integrity and safety of the pipeline system will, however, depend on the continuing implementation of “Risk Management” and “Pipeline Integrity Management” systems.

Remote meter reading using TCP/IP-based data transmission
© DIV Deutscher Industrieverlag GmbH (10/2011)
A series of changes to the regulatory framework for the German gas market has resulted in new requirements for the transmission and further processing of measured data relevant to billing. A project was therefore initiated to convert measured data retrieval at the gas pressure regulating and metering stations of Open Grid Europe and migrate from analogue to IP technology. The aim is to enhance the quality and quantity of data retrieval while maintaining the proven system of remote meter reading. The project started in 2010 and envisages a two-year period for modifying data retrieval at Open Grid Europe for 1,200 measuring points in line with the concept described. More than half way into the project, there are already a number of positive results to report. further author is: Dr. Martin Uhrig, Open Grid Europe GmbH

AERIUS G4 gas meter: gas consumption measurement using microthermal flow sensors
© DIV Deutscher Industrieverlag GmbH (10/2011)
Now that electronic measuring techniques are established practice in heat, water and electricity measurement, static measuring techniques without moving mechanical parts – and thus wear-free – will also become increasingly important in detecting gas consumption in the future. This is supported by essentially two reasons. First the use of electronic measuring methods permits accurate detection of consumption and second the integration of the system into a network for automatic consumption detection (catchword Smart Metering) is desirable. Diehl Gas Metering GmbH concentrates gas expertise in the Diehl Metering division and is developing a static gas meter based on a microthermal measuring principle. This microthermal measuring method enables direct detection of standard volume, i.e. air pressure, altitude zones and temperature differences do not influence the measuring accuracy. This permits simple and transparent billing for the benefit of utilities and consumers. The list of advantages is rounded off by compact housing dimensions, no disturbing noise during operation and electronic transmission of consumption values including key operating states, such as high operating temperatures, which could indicate a fire.

Study on the Suitability of the Different Waste-Derived Fuels for End-of-Waste Status in Accordance with Article 6 of the Waste Framework Directive - Second Interim Report
© Eigenbeiträge der Autoren (8/2011)
The objective of this study is to provide detailed information and analyses to the European Commission on all the relevant aspects needed for proposing the end-of-waste status of fuels derived from waste. It analyses the suitability of different waste-derived fuels (WDFs) for obtaining the end-of-waste status in accordance with the requirements set out in Article 6 (1) of the Waste Framework Directive.

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