Getting The Most From Reactants Flashcards
What wouldn’t exist without the chemical industry
Thousands of consumer products we currently take for granted
What are some examples of consumer products produced by the chemical industry
Plastics, synthetic fibres, detergents, pharmaceuticals, fuels such as petrol and diesel, paints, toiletries, and so on
What is the UK’s largest manufacturing export?
The chemical industry
How much per day does the chemical industry contribute to the UK’s balance of trade and the rest of the world?
£30 million
What else does the chemistry industry also provide?
Provides direct employment for about 250000 people and indirectly supports several hundred thousand additional jobs
What are industrial chemical processes designed to do?
They are designed to make as much profit as possible for investors, while minimising any negative impacts on the environment
What are feedstocks?
Feedstocks are reactants which go into chemical processes
Feedstocks are usually extracted from raw materials and then purified before use
What is an important consideration in most chemical processes?
Efficient use of energy because of its high cost
What can be conserved by lagging pipes and heat exchangers from many chemical reactions?
Heat energy from the exoteric reactions
What can energy from an exothermic step in a process be used to supply?
Energy for the endothermic steps
What is another way of reducing energy in a chemical reaction
Use a catalyst which operates at lower temperatures which reduces energy costs
What is better for the environment and should make the chemical proccess cheaper
Recycling materials because fewer raw materials need to be purchased
What is a by-product?
A product formed in addition to the desired product
What is a major contributor to the quality of our everyday lives?
The U.K. Chemistry industry
