How to turn plastic waste into diesel fuel cheaply

[Beyond Biodiesel]

Hi jonathan, I think you can leave the crushed glass out, if you are using Portland cement, and I would suggest a 50-50 blend, and see how it goes. If it is too weak to support itself to build an oven with, then reduce the ash content.

[jonathan]

retort insulation

i found portland cement....soo can i use wood ash + glass + portland cement for first try? thanks

[EndaRecar]

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[jonathan]

retort proplems

thanks a lot everyone..........

[wheels]

thanks wheels..i will try portland cement i thing i find in malta....can i use white cement? l meant normal cement that used in house walls?

I really can not say. I don't know what the White Cement is made from. Many other Cements do not withstand high temperatures. Portland Cement is different to all other Cements that I know of. If you can get Portland Cement, then it is certianly the best choice.

The board that BBD is referring to is a Cement Fibre board. It is a light Grey colour. Yes it will withstand high heat, but being a Cement, it does not insulate that well. It will not withstand Direct flame on it's surface for long periods, as It will crack and fall apart.
Also known around the world as (although each may have a slightly different mix) Fibre Cement Board, Hardie Cement Board, Hardie Backer Board, Durock. Actually I just did a quick on line search and found it under these names in different countries.
VIROC Portugal, Cement bonded particle boards
Building Products, cement board, cement bonded particle boards, BETOPAN, BETOPANPLUS
DUROCK cement board
James Hardie Building Products, Hardie Backer, cement board
CertainTeed Fiber Cement Underlayment/BackerBoard Specification Sheet
CertainTeed Fiber Cement MATERIAL SAFETY DATA SHEET
Why is Cement Backer Board So Great? (And What to Use it For! By Lee Wallender, About.com
iVillage Home & Garden Network, What are por's and con's of Wonderboard vs Hardybacker
National Gypsum PERMABASE BRAND CEMENT BOARD
RMOROC cement board, cement bonded particle board - CBPB
single-family-home-remodeling.com Greenboard and Cement Board
Euroform Products Limited, Versapanel, Cement Particle Board

[Beyond Biodiesel]

I was just doing some research on building materials, and found . It is an accessible product that might withstand the 800F (425c) retort temperature, especially if it is lined with aluminum flashing.
8 Clever Uses for Silica Gel

[jonathan]

retort insulation

thanks wheels..i will try portland cement i thing i find in malta....can i use white cement? l meant normal cement that used in house walls?

[wheels]

or can i use something else then sodium silicate? thanks all

Do you have access to any of the following.
Clay
Silica Sand,( or Crushed Glass will do the same job)
Zeolite or Perlite or Pumice or Fire Ash with plenty of small pieces of Charcoal in it.
Portland Cement? This Cement has Sodium Silicate in it and several other good products that make it good for resisting high temperatures.
Mix 3 parts Portland Cement with 3 parts Perlite or Zeolite or Pumice or Fire Ash and 4 parts Silica sand (or the Crushed Glass). Mix it all together really well and then add in 4 parts Clay. Add water. Not too wet, but just wet enough to be able to shape and mold it. If you have access to Lime, you can add 1 part of Lime and that will make the mix more pliable.

[jonathan]

retort insulation

so can l use another material like cement to binder and holds the particles together..ash+glass+cement or other material?

[wheels]

Sodium silicate (30%) is the most common ingredient in most glues. It is just a binder that holds the particles together and is good up to 1200F (650c), so it is good for pyrolysis.

You can make a mud out of the 9 parts ash + 1 part crushed glass + 1 part sodium silicate and form your high temperature insulation around your retort. Plain old mud will work as well, but will not hold as well as the above formula.

It is my understanding that silica gel is sodium silicate, and it is easier to come by. So, you would dissolved silica gel at 30% in water to get your 30% solution of sodium silicate.

Silica Gel is a Silicon Dioxide which can be made from Sodium Silicate. But it is not in itself, Sodium Silicate, nor able to be turned back into Sodium Silicate. Nor can not it be dissolved in water, or much else for that matter. It will absorb water and is extremely hydroscopic, hence its use as a moisture absorbent.

[jonathan]

retort insulation

thanks beyond biodiesel i will try that insulation thankssss a lot

[Beyond Biodiesel]

i want to do homemade insulation for retort i read in beyond biodiesel how to do it with 9 parts ash + 1 part crushed glass + 1 part sodium silicate..but i dont know what type of sodium silicate...thanks

Sodium silicate (30%) is the most common ingredient in most glues. It is just a binder that holds the particles together and is good up to 1200F (650c), so it is good for pyrolysis.

You can make a mud out of the 9 parts ash + 1 part crushed glass + 1 part sodium silicate and form your high temperature insulation around your retort. Plain old mud will work as well, but will not hold as well as the above formula.

It is my understanding that silica gel is sodium silicate, and it is easier to come by. So, you would dissolved silica gel at 30% in water to get your 30% solution of sodium silicate.

[jonathan]

retort insulation

or can i use something else then sodium silicate? thanks all

[jonathan]

retort insulation

i want to do homemade insulation for retort i read in beyond biodiesel how to do it with 9 parts ash + 1 part crushed glass + 1 part sodium silicate..but i dont know what type of sodium silicate...thanks

[wheels]

can someone help me to do diy insulation? i read beyond biodiesel forum my proplem is about sodium silicate...can someone upload a photo? i serch google but l find many different...thanks in advance

What is it that you are trying to do jonathan?
Sodium Silicate is a Powder and usually used as an additive to many things. Sodium Metasilicate is used in high temperature situations and often found as a paste form for repair to Vehicle Exhaust systems and Exhaust gasket/seal as an Exhaust cement. It can be used as an additive in Cement to increase the Cements resistance to heat.