Yes, that’s how I experience it too, when I had tar problems on the Iller, I didn’t notice anything if I ended the day driving on petrol.
When I then ran out of petrol, the intake valves stuck, nothing in the exhaust valves.
So if you can drive (if you want to drive) the last bit of petrol, (maybe the same on diesel) it probably won’t be noticed that much if the unit doesn’t work 100%.
7 Likes
Although it’s a scientific research, I found it quite simple
It mentions soaking the wood chips packing with vegetable oil (even used oil).
A wet packed-bed scrubber for removing tar from biomass producer gas - ScienceDirect
Petroleum diesel, biodiesel, vegetable oil and engine oil that are able to absorb volatile organic compounds (VOCs) have a potential to remove tar from biomass producer gas. Vegetable oil (60.1%) is more efficient than water (31.8%) and engine oil (34.6%) in removing tar.
For example, sunflower oil as a scrubber medium removes 98% of tar or waste palm cooking oil is able to reduce tar content to as low as 0.022 g/Nm3 [5]. Physical properties of oil, especially its viscosity, affect- absorption efficiency
3 Likes
I ordered this from Aliexpress
As soon as I try it I will share my experience
8 Likes
assuming that works, it is shockingly an affordable solution.
6 Likes
Not sure if intended but I like the pun there Thomas ;^)
The plates still need to be cleaned now and again but easier to clean plates than unstick an engine or swap a bent rod. That cost point is amazing and 12 volt is plenty convenient as you’d want the precipitator running at start up and that might mean running it off battery for a stretch and if you have electric start you’ll have 12v at the ready. That is cheap as chips and free shipping if you are patient.
5 Likes
I have started working on the 2nd Power Pallet Gasifier today i was told it has never run , but noticed that the filter container was full to the top with what looked like engine grade wood chips
So i started digging down into the filter approx 15 inches Dia by 3 foot depth after around 3 inches of wood chips i came down to a layer of very very fine charcoal
After again around 3 inches of digging it turned into a courser layer of charcoal for maybe 4 inches or so
I then run out of containers to empty that layer out of the machine so i dug down a little to see what the next layer would contain and blow me down if it wasn’t the most perfect sized charcoal chunks that any charcoal gasifier would love , it was sized between 1/2 up too just under 1 inch and it was so perfectly charcoaled real solid but well cooked with a very shiny surface when snapped in half , shame i did not want to disturb it too much other than take a few pieces out to test that i didn’t take photo’s of but when i go back to the shed this week i will and i will also see how many more layers are under that .
My point here though is to just state what i think is the obvious , they told me that there were a couple of machines that had never run , and to be honest i can imagine that as there is no way i think gas could ever find its way up and through those layers if you look at the wood chips that i did not disturb you can see just how compacted it is .
Fingers crossed we should have the 2nd machine running in a couple of weekends if all goes well .
Dave
12 Likes
I don’t think it will get =all= of it. I think you will still want a pre-filter and a post filter. The ionic cleaners, are the ozone tower air cleaners, and mine had a tendency to charge the dust particles and they would stick on objects they came into contact with, thus I would probably plan on a post filter for it to stick too. And I have a feeling the plates will get dirty pretty quickly thus a pre-filter.
The largest one is 340,000 liters per hour or 5,666l/min so in theory it should handle it.
4 Likes