Biogas journal english issue

Building power plants for your power plants. Lower costs and emissions with gas engines: Who else but MAN. Wherever you look, from the agricultural sector to city planning, from hotels and hospitals to private homes, as electricity prices increase combined heat and power sources become more and more attractive. Just like the natural and special gas engines from MAN. Opportunities and risks for the all-rounder biogas Dear readers, The biogas technology has lost nothing of its fascination because it is so extremely versatile.

It is applied in many areas and provides ingenious solutions to the most different problems. In most cases, it starts with a digestion substrate that is simply there, and reasonable use can only be made of it by converting it to biogas. Plants of this type feed on waste and secondary products from households, the industry or farms. Residual material is turned into fertiliser, the nutrients of which replace manmade fertiliser in the fields.

More or less as a side effect, a versatile fuel is also produced. For example, energy for transport, heating and cooking or the production of electricity can be produced from it. So the technology is suitable for many different applications and there are only few standard biogas plants. This versatility is a boon and a bane at the same time. The biogas technology offers many solutions and for that very reason cannot be replicated easily, but must be adapted to the conditions of the site.

This is a challenge for the planner as well as for the owner because biogas must be understood as a system.

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This requires passion as much as stamina because biogas knows no breaks; it operates 24 hours a day, seven days a week. Additional issues may occur during holidays or at night.

The most important actors in the game, the microorganisms, are easily offended by mistakes of feeding and operation and therefore must be kept sweet. Whoever is open and ready to invest a measure of passion is rewarded with high yields and the great feeling to have produced energy and valuable fertiliser from waste.

Most owners become completely compassionate at the latest when the gas starts rising from the substrate. When that happens, any remaining problems will be overcome and the project become a success story.

However, when the equipment is a mismatch, the time for tending the plant. This is where the risks of the biogas technology lurk.

Because the technology is so many-sided and offers so many opportunities, it is complex and requires know-how and intensive commitment to the issue. Mind you, you need not be a college graduate to operate a biogas plant, but interest and a measure of enthusiasm are indispensible.

This is why the German Biogas Association focusses its work, including the English version of the Biogas Journal, increasingly on the international context to disseminate specialist know-how about the technological challenges and the safe and reliable operation of biogas plants.

This is our contribution to making the abounding opportunities of the application of biogas technology a success and ensuring that the biogas concept, through its successes, becomes self-perpetuating. I hope you enjoy reading this issue of the Biogas Journal and find new and interesting points.

biogas journal english issue

Fax With Separate Hydrolysis Improvement of existing Biogas Plants for more Power. We guarantee for independent Consulting and Planning.

Articles with named authors represent the opinion of the author, which does not necessarily coincide with the position of the German Biogas Association. Reprinting, recording in databases, online services and the Internet, reproduction on data carriers such as CD-ROMs is only permitted after written agreement.Should you be interested and would like to know more, please contact Alison on 20 We look forward to welcoming you at our training centre in Germany.

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Standard paddle agitator of the Hydromixer. Global success with cogeneration. Looking closer, the fundamental change in energy policy in Germany is not only a development of the last 15 years. Following the oil crisis and the nuclear accident at Chernobyl, the s had seen a growing environmental awareness. Starting with the Renewable Energy Sources Act in Germany in the yearthe expansion of the renewables received a strong impetus.

This year will see only few new plants starting operation — generally speaking, the market has collapsed. This unexpected negative impact has come as a surprise even to politicians it seems, because the self-set targets will be failed in this way. And yet biogas is the intelligent link between the electricity grid and the natural gas grid and as such plays a key role.

It stabilises the electricity grid in view of the vagaries of the availability of wind and solar power. Many legacy plants in Germany are gaining initial experience with it; see the example on p. This way of providing electricity is also of interest to countries without an established nationwide energy grid but where electricity could be produced locally from renewables.

The local aspect is of particular significance in this respect. For example, actors come together and form local energy cooperative societies, as described on page Such initiatives could set precedents for other countries to follow. They not only improve the local acceptance of projects, they also encourage involvement.

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Anyone who is involved also profits. Biogas can also be a driver of environmental protection. For example, when biogenic municipal waste or liquid and solid manure from farms are digested and the residue is used as fertiliser for plant production; see page This closes the nutrient cycle and saves mineral fertiliser — biogas is a problem solver. It can take on the same part in climate protection directly when fossil CO2 is saved. Unlike previously, the new motto of the German government now is: Whatever will not be needed in future, we will slow it down!

Now they want to impose a CO2 levy on old coalfired power plants. Economics minister Gabriel is under pressure because at present it seems as if Germany could also fall short of its climate target. Originally, 40 per cent of the climate gas emissions were to be saved in comparison with the level. If that levy would be charged, the price of coal would go up and along with it the renewables without a CO2 levy would become more attractive. If, on top of that, the fossil privileges were canceled, it could be a sensible approach, taking pressure off the public budgets and advancing climate protection.

But doubtless, it cannot be the right approach to deny virtually any encouragement to an important and flexible building block such as biogas and to provoke a break in the development of technology.Global success with cogeneration. Quality wins through! Biogas: We give you competent advice!

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Submersible pumps Side operation with submersible mixer. As with photovoltaics, from 1st January newly built biogas plants will no longer receive a fixed feed-in tariff. Instead, compensation for electricity fed into the grid is supposed to be determined by a tendering process, which is subject to mandatory maximum limits.

The positive thing about it is that existing plants, whose initial compensation period ends after 20 years, now have future prospects. This development is new. Existing plants will therefore be able to continue to operate on the basis of fixed tender specifications. Stakeholders from throughout the sector agree that determination of compensation by a tendering process entails many risk factors and problems, but there is a minimum consensus within the current political debate in Germany.

In particular, the Federal Ministry of Economic Affairs and Energy committed itself to the tender scheme on the grounds of continued affordability of electricity.

New plants will receive a maximum of Based on this consensus, the German biogas industry will continue to work on suitable framework conditions, so that biogas can take up its special cross-sectoral role in the Energiewende energy transition processagriculture and climate protection.

The further impact and potential of biogas plants, such as the production of biofuels, heat generation, climate protection, nitrogen and carbon fixation, production of organic fertilizers, etc. A different view has been taken of biogas plants in many other countries, such as emerging and developing countries. A large number of plants, many of them domestic biogas plants, have been existing there for decades.

What these plants have in common is that they use household and agricultural organic residues manure, fodder residues, kitchen waste that accumulate directly on the.

Recovery of the fermentation products for use as organic fertilizer in the garden or on agricultural land, or in the vicinity of the plant, is of particular importance in the case of these plants. These plants superbly complete agricultural cycles and ensure a sustainable energy supply in rural regions.

Interestingly, a large number of these plants are no longer in operation or are malfunctioning. Although reasons are most certainly complex, they are frequently connected with lack of functionality or technical problems. However, it is precisely this trend that has led to numerous reservations about biogas as a whole and about these domestic biogas plants.

Functioning plants are of fundamental importance for further development of biogas technology, particularly in this plant category see also reports covering Cuba, Kenya and Tanzania. The German Biogas Association is also actively taking part in these discussions in the ISO standardisation process, various projects e.

India and numerous consultations and training programmes. Due to the great market potential and its particular importance in development of the biogas industry as a whole, it is worth focussing discussions more on this plant segment.

The newspaper, and all articles contained within it, are protected by copyright. Articles with named authors represent the opinion of the author, which does not necessarily coincide with the position of the German Biogas Association. Reprinting, recording in databases, online services and the Internet, reproduction on data carriers such as CD-ROMs is only permitted after written agreement.

FH Volker Aschmann, M.Small mobile biogas plants for refugee camps Under the European project Speedkits, biogas microplants in refugee camps can improve hygiene and generate energy. These small power plants are developed in Germany. By Dipl. The insulation of the digester is still a makeshift solution for the function test. A reel-up version will be used for the field test. For example,people came down with cholera, almost 7, died. Possible causes were flooded cesspits in a refugee camp or the agent causing the disease was brought in by helpers.

After this disaster, a European research project was started with the target of optimising the emergency units for use in crisis areas.

In this way, epidemics such as cholera or typhoid should be prevented, because the mobile small plant developed by the IBBK can kill the pathogenic germs found in human feces. The Dutch Red Cross, other humanitarian organisations, companies and research organisations are also members. The project started in March Each project partner assumed certain tasks under the project.

For example, the IBBK not only develops the biogas microplant but also the hygieniser that kills the pathogenic germs and a mobile substrate receiving tank and a preliminary storage facility. These will take in human feces from the toilets in the camp in an easy to handle and clean process. This job was assumed by a Dutch company that developed simple raised latrines which work without any chemical additives.

Biogas Journal English Issue Autumn_2019

Feces contain about 5 or 6 per cent dry matter, which is similar to pig manure. It is very important for the biogas process that the collected feces do not contain stones or garbage. Most im. Previous page Next page. Including country reports from Denmark, France and Vietnam. Fachverband Biogas e. Published on Feb 7, Go explore.The administrational reform of has not produced much improvement, though. Biogas Journal: What about compensation paid for electricity?

Himmelstoss: The compensation amounts to This is enough for digesting organic residue. Biogas Journal: Are there any heat customers? Himmelstoss: Except for internal consumption, we have not been able to find customers who would use the heat.

Heating grids are still non-existent. Biogas Journal: Who are the investors in biogas technology in Turkey and what is their motivation? Himmelstoss: Most are waste disposal companies from the private sector. The interest by farmers is still surprisingly low. Some poultry and laying hen farms start showing interest in biogas. These farms consume enormous amounts of energy, and their waste from farming and slaughtering constitutes a serious environmental problem.

In this segment, in particular, we are sure to have found a new concept for the mono-digestion of poultry manure. Biogas Journal: What are the biggest obstacles the biogas sector in Turkey is struggling with?

Himmelstoss: The trend to gigantic construction projects is very distinct; this includes power plants. However, such projects often fail to materialise for lack of funds. Besides, corruption is another big problem. There are no independent courts, proceedings in courts of first instance take at least three to five years before a decision is made, and many decisions are appealed against because the losing party fails to understand the reasons for the decision.

Moreover, contract compliance is an unknown concept and administration is a complex issue and very difficult to understand for us as foreigners. Biogas Journal: Is biogas in transport a topic? Himmelstoss: I believe there is still a very high potential in this field, indeed.

Under the study in Sanliurfa, it is proposed that part of the biogas is used as fuel for municipal buses. This project is supported as a pilot project by the government in Ankara. Biogas Journal: In which segments do you see the biggest opportunities for expanding the biogas capacity in Turkey? Himmelstoss: Turkey is an agrarian country that should not be underrated; and it is growing. Still, biogas technology is just about making a start in that sector now.

So there is immense potential in animal husbandry, slaughter houses, biogenic waste and the food industry. The degree to.

biogas journal english issue

Previous page Next page. Including country reports from Denmark, France and Vietnam.

Biogas Journal English Issue

Fachverband Biogas e. Published on Feb 7, Go explore.So the effects of 20 per cent higher investment cost are investigated. The consequences of lower investment costs are also looked into. The latter may be the case when a farm must set up new vessels because more animals are kept and therefore the cost. Moreover, often a higher price must be paid for the substrates when the animals on the farm do not produce enough manure and additional amounts must be obtained from other farms.

In such cases, the transport cost adds to the overall expenses framework. The substrate cost was increased by three euros for each ton of fresh weight in the breakdown. The result of these variations is illustrated in the figure.

A more cost-effective green column or more expensive red column construction reduces the profit of the small plant by about 6, euros. The difference is 13, euros for the two 75 kW plants.

So potential builders may reconsider whether the pro. This is a fact that speaks for itself. Since Previous page Next page. Including country reports from Denmark, France and Vietnam. The latter may be the case when a farm must set up new vessels because more animals are kept and therefore the cost of building the vessels can be posted to the stock keeping account. So potential builders may reconsider whether the pro- WANGEN pumps are used in my biogas plants because I attach importance to robust and reliable engineering.

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biogas journal english issue

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biogas journal english issue

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