Chemical Engineering Freelance Jobs

Help me design and calculate a refrigeration system to cool down a hydroponic liquid in a cooler box. The design would be like in the sketch of the attached files. The inner diameter of the cooler box is 38(L) x 23(W) x 22(H)cm and the outer diameter is  L46 cm x W32 cm x H27 cm.
Can you:
- find the cooling load needed to cool down a 16 litre of water at a constant flow rate of 1 litre/minute so that the temperature could maintain 12°C  when it flows out of the outlet plug drain below the cooler box. 
- Determine the suitable size and height for 4 plug drain to be position at each side of the cooler box, so that the flow rate could achieve 0.25 litre/minute for each of the plug drain. (Flow rate: 0.25litre/minute X 4 = 1 litre/minute)
- determine the right length, the number of coils, and pressure of the copper coil (as an evaporator to be submerged in the 16-litre water) so that it could achieve the cooling load needed to cool down the water to 12°C.

(Guide: Set evaporator pressure such that the saturated temperature of the refrigerant is 15°C below inlet temperature of water [Find inlet water temperature = heat from the atmosphere (30°C) + heat gain during the pump delivery]
- conduct fluid dynamic analysis on the connecting pipe to determine the pump power and the diameter of the delivering pipe.
- Set pressure of condenser of refrigeration plant such that the saturated refrigerant temperature is about 12 degrees C above atmospheric temperature.
-Conduct heat transfer analysis at Hydroponic Liquid and the Refrigerant in the evaporator to determine the flow rate of refrigerant.
-Calculate the power of compressor that operates between condenser and evaporator pressures.
-Determine the size of air-cooled condenser.
-Determine the size of the expansion valve.

Category: Engineering & Manufacturing
Subcategory: Other
Project size: Small
Is this a project or a position?: Project
Required availability: As needed

I am doing an university study of Primary Reformer, and now I need a help to design this equipment.
First, I need to know if you could do this:
- list types of reformers (for primary reformer)
- compare those (we should select the best option)
- find the calculation method to design it (define number of tubes, thickness, length of each tube, etc)
- design it (draw it in 3D)
(Material of the equipment/part of it, weld and connections. Can you define as well?)

At the first moment, I'm looking for someone to list reformers and compare it until Monday. Are you available? What's your budget?

Category: Engineering & Manufacturing
Subcategory: Other
Project size: Medium
Is this a project or a position?: Project
Required availability: As needed

I have re-created portions of the Miller-urey experiment and I need to introduce arcs of electricity across the gas plane, please respond if you have electronics experience.

Category: Engineering & Manufacturing
Subcategory: Other
Project size: Medium
Is this a project or a position?: Project
Required availability: As needed

kinetic modelling person should be of chemical engg backgroud with good basics of cre and mass transfer its an modelling of vriad fractions by considering its products in lump

Category: Engineering & Manufacturing
Subcategory: Other
Project size: Medium
Is this a project or a position?: Project
Required availability: As needed

-  DRAWINGS USING GIS portuguese and english, Technical Writing both portuguese and english, PROJECT MANAGEMENT portuguese and english, also some work with excel may be required

Category: Engineering & Manufacturing