Chemical Monitoring and Management

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keep it simple science

Ryde Secondary College, SL#710371

INDUSTRIAL CHEMISTRY
What is this topic about?
To keep it as simple as possible, (K.I.S.S.) this topic involves the study of: 1. THE CHEMICAL INDUSTRY 2. CHEMICAL EQUILIBRIUM 3. PRODUCTION OF SULFURIC ACID 4. PRODUCTION OF SODIUM HYDROXIDE 5. SOAP & DETERGENTS 6. THE SOLVAY PROCESS FOR Na2CO3 ...all in the context of the applications of Chemistry in human society. 1. THE CHEMICAL INDUSTRY The “Invisible” Industry

Most people are familiar with some aspects of the production and manufacture of the many goods we need and use every day, but do not understand the vast chemical industry which underlies it all. You might never have seen inside a paper mill, but you can at least imagine that it is a big factory where wood chips go in one end, and paper comes out the other. You are familiar with paper itself, so you can get your head around the idea that it is made in a factory somewhere. Paper Mill Burnie, Tasmania Photo by Diana

HSC Chemistry Option Topic

Sugar Cane Harvesting

Photo ©Robert Lincolne 2006 Used with permission

You might never have visited a sugar plantation or wheatgrowing farm, but you eat bread and sprinkle sugar on your breakfast cereal, so producing these foods seems quite understandable. What is “hidden” is that farming (in general terms) uses vast quantities of fertilizers, pesticides and other chemicals which are the products of an “invisible” chemical industry. We do not generally buy and use chemicals such as sulfuric acid, sodium hydroxide, ammonia, or 1,3-butadiene, so we don’t appreciate that these chemicals are consumed in vast quantities to manufacture the everyday things we use and need. This topic will give you a glimpse of that “invisible”, underlying industry which is vital to all the others...

What most people do not realize is that paper manufacture uses not only wood chips, but huge quantities of chemicals such as sodium hydroxide (NaOH) and chlorine (Cl2). Where do these come from? They are supplied to the paper mill by the chemical industry. HSC Chemistry Option Topic “Industrial Chemistry”

...the Chemical Industry.
Copyright © 2006

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keep it simple science

keep it simple science

Ryde Secondary College, SL#710371

Replacement of Natural Chemical Resources Case Study: Rubber A Brief History of Changed Supply Natural rubber comes from the sap (“latex”) of a tree which is native to tropical South America, but now widely grown in plantations in tropical Asia, especially Malaysia, Indonesia and Thailand.

The Modern Day Issues

In the modern world we have the “Global Economy”, growing populations, increasing wealth and living standards, and rubber continues to be a vital resource. Its major use is still the manufacture of vehicle tyres and demand continues to grow. As well as tyres, its uses include medical gloves and dressings, wetsuits, fittings for taps and valves (e.g. tap washers), tool handles, foam cushions and toy making. While natural rubber continues to be grown in the tropics, 70% of world production is made synthetically from petrochemicals, so the modern issues of rubber supply are: • It is unlikely that natural rubber production can be significantly increased because the vast areas of tropical land needed for rubber tree plantations are also vital for food production in developing countries. • Petrochemicals for synthetic rubber are a non-renewable resource and supplies are likely to fall below demand within 20-30 years. (It may be happening already) • The chemical technology to replace many petrochemicals with renewable chemicals such as ethanol is quite feasible, but would require vast areas of land being devoted to growing sugar cane (or similar crop). These issues can be revised in the topic “Production of Materials”. Evaluation of Progress In June 2006, a consortium of universities and companies headed by the Mazda Motor Corporation, announced the development of a new...
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