Raw materials and Costs & Efficiency

HideShow resource information
  • Created by: J.E.C.
  • Created on: 29-04-14 15:54
Raw materials are...?
The materials from which feedstocks are made.
1 of 13
Solids are ___ to handle so are often ___ and maintained as __ __ to reduce ___ costs?
Expensive, melted, hot liquids, transportation
2 of 13
Alternatively solids can be mixed with liquids to form a ___?
Slurry
3 of 13
To go from natural gases to alkanes you use ___ ___ and to go from alkanes to alkenes you use ___ ___?
Fractional distillation, Steam distillation
4 of 13
As the rate at which the product is produced so does the rate at which any ____s are produced?
Co-products
5 of 13
By-products are formed when...?
An unwanted side reaction occurs.
6 of 13
What are fixed costs?
Those incurred by the company irrespective of how much product they produce.
7 of 13
What are capital costs?
Cocts incurred to establish the plant, buildings and infrastructures around which manufacture is based.
8 of 13
What are variable costs?
Costs relating specifically to the unit of production.
9 of 13
Green chemistry aims to reduce the use of ___ to a minimum, recycle unused ____ and ___ and reduce ___ ___ to a minimum?
Feedstocks, reactants, solvents, energy consumption
10 of 13
The further the position of equilibrium to the right, the greater the...?
Percentage conversion to products
11 of 13
To recycle unreacted materials, any unreacted ___ needs to be separated from the reaction mixture? This may involve some of the reaction mixture being __ __ at intervals?
Feedstock. Bled off
12 of 13
When a reaction releases thermal energy, this can be conserved by __ __ and by using ___ ___? Energy from the exothermic parts can be used to supply energy to the ___ parts by raising the temperature of the ___?
Lagging pipes, heat exchangers. Endothermic, reactants
13 of 13

Other cards in this set

Card 2

Front

Solids are ___ to handle so are often ___ and maintained as __ __ to reduce ___ costs?

Back

Expensive, melted, hot liquids, transportation

Card 3

Front

Alternatively solids can be mixed with liquids to form a ___?

Back

Preview of the front of card 3

Card 4

Front

To go from natural gases to alkanes you use ___ ___ and to go from alkanes to alkenes you use ___ ___?

Back

Preview of the front of card 4

Card 5

Front

As the rate at which the product is produced so does the rate at which any ____s are produced?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all Agriculture and Industry resources »