Pig Industry - Biodigestores nopals, animals and revaluation of waste - Management


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22/12/2006

Victor
Nicaragua

good morning, dear members of the Forum.

I believe that to make complicated the technology when it is not it, at the end it limits the same application of the technology.

In the first place the mistaken concept of biodigestor exists to produce biogas, when the appropriate concept is system of treatment of waste, integrated biosistemas or environmental reparation by means of biodigestión. I agree totally with the Engineer Aguilar: the biogas is a by-product of the descontaminación.

Any biodigestor that works with efficiency inside a treatment system, produces the quantities of necessary biogas that can be used to cook, to generate energy or to be good as source of heat for drying. The important thing is that a treatment system should never be sold, exclusively to generate energy, because when imbalances are given inside the system it is when the critics arise for the biodigestión that finishes with the abandonment of the system at the end.

According to the diverse systems that he/she has played me to build, to visit or to advise, what more voucher in the application of the biogas for energy is the genius of our local mechanics that you/they make innovations to abandoned motors, reconstructs them and they adapt to the necessities of each property, industry or producer. The other option is to buy motors that work exclusively with biogas, but we will have to accept the commercialization prices.

Many times we accustom to disqualify biodigestores models that are not adapted to our commercial interests, and for that reason we speak of patent. I thank to the Dr. Lettinga of the Agricultural University of Wageningen of Holland from who can price myself of having been their student in 1991, to the Dr. Ludwin Sasse of Germany (GATE-GTZ), and of so many people that unselfishly have developed technology of biogas without having thought of enriching.

As for residual waters of coffee, it is in it that more work, and without any cost I can send all the technical approaches that we have developed in Nicaragua, Costa Rica, Panama and Republic Of the Dominican Republic for the treatment of these complicated, but interesting waters for descontaminar and to produce biogas.

In these moments we are finishing a construction manual and operation of biodigestores of fixed dome that he/she goes from 5 m3 to 150 m3 that we will put to all the interested people's disposition.

Victor Cantarero Pineda
Nicaragua

22/12/2006

Moral Giovanni
Venezuela

Dear Engineer Wayland,
The participants of these forums don't NEED CHARITY.
I only remind him that this page was created and it is designed to share ideas, to discuss topics, to help to solve problems, to learn, etc. all this without ENDS OF LUCRE.
He/she also informed him (as YOU he/she informed us) that in Internet you can create a page, with a very good propaganda of their knowledge, and probably the bandage to very good price.
In another order of ideas, if people as you invade this page, they will no longer have forums to discuss, but rather this page would become a GREAT COMMERCIAL CENTER.
Sew that the great majority of the foristas doesn't want.

22/12/2006

PAULO HUEBRA
Chile

I Have an it puts on weight to corral that goes in increase, and at this time story with 200 heads of bovine livestock. My question is the following one: Can I elaborate a biodigestor to treat the waste? If it is this way, is it allowed to make it in the central area of Chile? It doesn't interest me to market gas by no means, only to treat the residuals, and if it can take advantage something of energy, so much better. Thank you.

22/12/2006

JUAN FIELDS
Peru

I Agree with Rodrigo Wayland on maintaining the information that is excellent in custody for their company. In what I don't participate it is that if it is confidential, why to disclose it in a forum??

22/12/2006

Rodrigo Wayland
Chile

Sr Fields, responding to their consultation:

The information that I can surrender is available in public form in other publications. What cannot surrender is the design of teams or devices, operational results, technology, the company is also of my property. Greetings, and I thank their comments.

22/12/2006

Rodrigo Wayland
Chile

Dear Victor,

I should differ with you as for that the reactors should be designed for the treatment of waste.
Exactly I am advising to a German company, and we have had excellent results, if we design the process plant for production of biogas. Although it is certain that the reactors are been able to descompensar and to stop or to diminish their production, it is not less certain than it is more complicated to elaborate yogurt for human consumption that biogas for heating, since both use reactors.

22/12/2006

Rodrigo Wayland
Chile

Sr PAULO HUEBRA, in answer to their question:

From the technical point of view, I don't believe any problem it exists, it is a quite well-known and sure technology.
As for the environmental point of view, the COREMA (regional commission of environment) it indicates that it has more than enough 20 monthly tons of production or storage of fuel (petroleum) or their equivalent one, is necessary a study of environmental impact, it can be necessary only the declaration if the quantity is smaller (if there are not other environmental factors, as populated close, or industrial area).
The design will depend if it requires to treat its waste and the use of the biogas is marginal, or if he/she needs a continuous production for some productive process as heating or electricity. In the region that you reside, the temperature in winter is low for the production of biogas, reason why I recommend a system calefaccionado.

22/12/2006

Alirioangarita
Colombia

Thank you for the answer. And next I explain the conditions to build my biodigestor. Climate 15 to 28 degrees aprox, 20 to 30 swinish, material brick of mud, cement, iron, pipe in available pvc in any caliber dilutes drinkable, electric power 110v, chart in caracoli, and polyethylene bag, if it is necessary, I can also get it or of plastic. I thank the borrowed collaboration, and I will be attentive to any information on the topic.
Attn:

Alirio Angarita O.

22/12/2006

Helder Alfonso Ramirez Aguirre
Colombia

How do you want that we say of an article published fifty-fifty? That would be as requesting to a tree of citric fruits to produce avocados.

Me pieso that would be good, in the handling of the medioambiente, as the sanitary fillers, to give a better use to that gas that burns in them, like it would be if to the biodigestores they were added a carbide percentage, suddenly you potencializarían, and the gas would be not of low density but of high, with that which we would be more efficient in the agricultural exploitations, and closed exploitations could be made this way.

23/12/2006

Rodrigo Wayland
Chile

he/she Wanted to express my gratefulness for their participation in this forum, although we are not in agreement in some aspects, it is part of the human wealth.
I wish them a happy navidad next to their family and a prosperous year.

Rodrigo Wayland

23/12/2006

freddy
Colombia

Freddy Peace
Agricultural administrator
Villavicencio-goal
Colombia

Very interesting their investigation because as I understand, with waste of solid residuals it can generate electric power. What possibility of calculating with a population's what a quantity of gas inhabitants' number and conversion to electric power for solution to distant populations that cannot have electric interconnection. I request information and successful projects.

24/12/2006

Ana Matilde Bayona
Colombia

good night. I find comments of the forum very valuable, sharing the knowledge makes of the humanity a stronger system. To Victor I ask him where the material is gotten on biodigestores that he/she mentions. I am interested in the system for the obtaining of gas and payment. Thank you.
Attn,

Ana Bayona
Téc. Agricultural
Santander Colombia

26/12/2006

Rodrigo Wayland
Chile

Dear Freedy, responding to their consultation:
The convesion of biogas in electric power takes place in motors of internal combustion or turbines to gas in similar form to like it happens with the city gas or of pipe.
You have two alternatives, the first one is to convert a motor bencinero (gasolinero) so that it uses biogas.
And the second are to buy a team designed for it (I only have knowledge of a company in Germany that sells generating teams that use biogas).
The aire/combustible relationship depends on the quality of biogas that is generating, when using a group electrógeno, as any motor, it should be regulated in empiric form to tune it.
If he/she sends me their electronic mail, I can send some pictures of an installed team.

26/12/2006

Rodrigo Wayland
Chile

Sr Alirio Angarita, responding to their consultation:
In the personal thing I prefer the metallic reactors, they have little flight possibility, they are amendable and adaptive to most of the operation conditions. As the quantity of pigs it is small, I recommend you to buy or to build a pond of water of about 20 m3, similar to those that use the trucks reservoirs (those that distribute water). They are quite resistant, and they can be mounted in piles to diminish the thermal transfer. The reactor can paint it opaque black color (it increases it about 4 - 5°C the temperature for effect of solar radiation).
Use PVC for the pipes (the plastic is inert to the sour sulfhídrico), never copper. Verify the flights in the unions with a soapy solution, if it forms bubbles, flight exists.
It is always a little preferable sobredimensionar the teams to prevent future necessities.

26/12/2006

ariel galetto
Argentina

TO the sres. technicians and possessors of the information and knowledge about the development of the alternative energy:

I wait and I want that have passed very happy navidad. With regard to the production of Biogas, referring on time to the production to very small scale (like for a small farm or home), of a biodigestor type bell or bag of plastic, it is that I request who wants to provide me something of that necessary information to be able to begin with the construction works. The matter prevails to use it would be only dung of fresh cow with water, due to the economic situation for the one that today crosses, it is not possible to pay for this knowledge, knowingly that the created companies are not devoted to the charity, neither it is pretención that begin exactly now, I request of same way planes and information. I live in Charbonier, county of Córdoba, Argentina, amid the mountains. Parallelly I am incorporating basic eolic energy. I have followed the forums for 5 months, although I don't participate for my scarce knowledge about the topics that here are debated. I congratulate those who worry better about one tomorrow.

P.S. in the event of wanting to send the info. From already thank you and happy year for all.

26/12/2006

Dixon
Panama

I Think that, with all respect, the participants of the forum are giving too much importance to the opinion peculiar of the ing. in foods. I recommend to continue investigating and to underestimate expensive comments. Here in Panama they sell it to aprox. 800.00 Americans, and they have an aprox capaidad. 1500 lts., enough to break down the you excrete taken place in a house or small cluster of pigs. I particularly need a lower price to compete here in Panama.

26/12/2006

Victor
Nicaragua

good afternoon to all the participants of the forum.
Happy navidades and a prosperous year 2007.

When one will build a biodigestor he/she should take into account several approaches, depending on the country where he/she is. This has to do with the costs of materials, manpower and transport. For example, in Nicaragua, the payment for a manufacturer's day is of US $6.00 the day, in Republic Of the Dominican Republic it is of US $20.00, and I believe that in Panama it is same. In the case of the materials, the brick of mud cooked in Nicaragua US costs $50.00 the thousand, in Panama, if they are bought in Chitré they cost US $400.00 the thousand, and in Of the Dominican Republic US $200.00. As they come, that is what helps to select the biodigestor pattern to build.

For ejempl,o in tubular plastic in Nicaragua you can build a biodigestor of 10 m3 in US $300.00, while in experiences that I know of Panama he/she has a cost of US $600.00.

We build a biodigestor of 10 m3 in fixed dome, with 1200 bricks of cooked mud, 6 m3 of sand, 3 gravel m3, 40 cement sacks, 1 quintal of bar of iron of 1/4, 2 tubes PVC of 4 and other smaller accessories. The cost of a biodigestor of this size is of approximately US $800.00. We have built biodigestores of 40 m3 that have capacity to manage the you excrete of 60 you vacate milkmaids or of 200 pigs for a cost of US $2,000.00. There are systems that we build in 1989-1992 that are working still, with a minimum investment in the maintenance.

I believe that the main thing is that we have very clear of for what reason we want the system.

26/12/2006

freddy
Colombia

Freddy Antonio Peace s
Agricultural administrator
Villavicencio Colombia

Very grateful for their answer. In Colombia there are very distant Municipalities of the urban centers that are difficult to enter public services of gas and energy, as well as their handling of solid residuals, but you give me a hope that yes one can.

27/12/2006

Carlos Alberto Cardona Cardona
Colombia

First that everything, a happy year and a prosperous one 2007 for all.

I have a coffee property, and one of the big problems that not only have me but the whole coffee country, it is the contamination for the water honey. It would be interesting to know Mr. Victor, the proposal that you develop, and besides that, if it is feasible, to combine this biodigestor with the livestock manure.

A thousand thank you for their comments.

27/12/2006

Victor
Nicaragua

In the handling of waters honeys of coffee, we have worked with lagoons of oxidation and biodigestores. With that we reduce the contamination in a 95, and also for each 250 kilos of brown cherry, we produce 1 m3 of biogas. At the moment, this effort is replying him in Republic Of the Dominican Republic and in Panama. That that yes I should mention him, it is that if you work with modules BECOLSUB (mechanical desmucilaginado), and it is mixing the pulp with the mucilage, follow it making, since to treat waters honeys of coffee is a little complex, in the sense that the waters honeys of coffee don't have bacterias metanogénicas, and there is to be controlling the acidity of the water, and also to be inoculating with bacterias or efficient microorganisms.
If I can send him chats that I have given for coffee producers, with pleasure I make them to him to arrive.
Greetings.

Victor Cantarero

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