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Date of transmission:8.6.91.;What are the alternatives to petrol and CFC's proposed by organic chemists and will they be introduced fast enough to mitigate the ozone problem?
Metadata describing this Open University video programme
Module code and title: S246, Organic chemistry
Item code: S246; 04; 1991
Published: 1991
Rights Statement:
Restrictions on use:
Duration: 00:25:00
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Producer: Tony Jolly
Contributor: Peter Taylor
Publisher: BBC Open University
Keyword(s): Ann Arbor, ICI, Runcorn; Carbon/nitrogen oxides, exhaust fumes; Catalytic converters; CFC's; Greenhouse effect, ozone depletion
Subject terms: Air--Pollution; Environmental chemistry
Footage description: Footage - Beach at Rio de Janiro. Time lapse film of road at sunset and sunrise over city (0'23"-0'54") - London buses in traffic. Time lapse film of sunrise over city (0'55"-1'21") - Blood pumping in vein. Acid rain damaged pine trees. Smog over Los Angeles (1'22"-1'58") - Environmental Protection Agency (EPA). Test driver in car. Digital displays. Hydrocarbon analyser. Exhaust system of car. Stills of analytical laboratory at EPA, mass spectrometer, distillation apparatus (1'59"-3'54") - Smokey cityscape at sunset. chemical formulas of nitrogen dioxide, nitrogen oxide, atomic oxygen, ozone (3'55"-4'53") - Jeff Alson of EPA talks about the future of fuels, particularly methanol. Film of A affic, methanol powered limosine, electric powered car, hydrogen powered car, methanol powered bus. Constant volume sampler. Formaldehyde/Methanol analysis (4'54"-11'33"). Meteorological balloon released in Antarctica. Computer animation of ozone hole. People on a beach. Graphic explains the presence of CFC's in stratosphere (11'45"-13'06") - Ozone conference with Margaret Thatcher. Aerosol production. Fridge production, optical microscope view of insulating foam, compressor,heat exchanger, capillary expansion tube (13'07"-15'59") - Replacing CFC's. Graphics of periodic table, then hydrogen/chlorine/fluorine triangle. Molecularmodels of CFC12 and HFC134a. HFC134a manufacturing plant (16'00"-18'50") - Graphic showing syntheses of HFC134a (18'51"-20'34") - Graphics of ester formulaand polyalkyleneglycol formula (21'50"-22'10") - Night time aerial view of oil rig (23'37"-24'11").
Master spool number: HOU6847
Production number: FOUS619X
Videofinder number: 3782
Available to public: no