Green Chemistry

Only available on StudyMode
  • Download(s) : 66
  • Published : July 22, 2011
Open Document
Text Preview
2008 APEC Clean Development Conference – The Current Applications and Future Promotion of Green Chemistry for Sustainable Development National Tsing-Hua University, Hsinchu, Chinese Taipei Dec.15.2008

Green Chemistry for the Improvement of Human Welfare
Gwo-Dong Roam , Wan-Yi Wu, Chung-Han Chiou, Chung-Wen Yen

Office of Sustainable Development Environmental Protection Administration, Chinese Taipei Tel: 02-23822841; E-mail: gdroam@sun.epa.gov.tw

Viewpoints & Experiences:

. Roadmap: . Benchmarks: . Experiences: . Conclusion:

From the past (1960) to the future (2030)

10 examples of convergent green technology Approaches of Chinese Taipei : institutional promotion, eco-parks, technical incubation, and nanotechnology. Chindia Price for achieving the M illennium Development Goals (MDGs)

1

. Roadmap
Driven by Environmental Consciousness / Policy
Pollution Control The-end-ofthe-pipe Technology
1960’s

Cradle to Grave Policy Waste Minimization Technology
1970’s

Pollution Prevention Source Reduction Technology
1980’s

Sustainable Cradle to Cradle Policy Development Clean Production 1990’s

Renewable Energy R/D
2000’s

Driven by Green Chemistry / Technology

. Roadmap
Driven by Environmental Consciousness / Policy
Climate Change Mitigation & Adaptation Four O’s Convergent Technology (nano-bio-info-cogno ) 2008 ( We are here) 2015

2025 Millennium Development Goals

Pursuing Human Welfare Clean Energy Alternatives Carbon Neutral Technology 2030

Driven by Green Chemistry / Technology

2

. Roadmap
Computers Bits 21st Century Architecture Neurons Atoms Genes Biotech

Networks 21st Century Architecture

Nanotech

Cited from M.C. Roco, W.S. Bainbridge, (2002), “Converging Technology for Improving Human Performance ”, pp71, Kluwer Academic Publishers.

. Roadmap
Nanoscale S&E Information & Computing

Revolutionary computing Nanobiotechnology Bio-informatics Brain research

Biology & BioEnvironment
Coherence and synergism at the confluence of NBIC science and engineering streams. Cited from M.C. Roco, W.S. Bainbridge, (2002), “Converging Technology for Improving Human Performance ”, pp81, Kluwer Academic Publishers.

3

. Benchmarks
1. H2 + O2
NxCat
TM

(4nm palladium - platinum)

H2O 2

Direct Synthesis of Hydrogen Peroxide by Selective Nanocatalyst Technology (Headwaters Technology Innovation / 2008 Presidential Green Chemistry Challenge Greener Reaction Conditions Award)

Innovation and Benefits: Hydrogen peroxide is an environmentally friendly alternative to chlorine and chlorine -containing bleaches and oxidants. It is expensive, however, and its current manufacturing process involv es the use of hazardous chemicals. Headwaters Technology Innovation (HTI) developed an advanced metal catalyst that makes hydrogen peroxide directly from hydrogen and oxygen, eliminates the use of hazardo us chemicals, and produces water as the only byproduct . HTI has demonstrated their new technology and is partnering with Degussa AG to build plants to produce hydrogen peroxide.

. Benchmarks
1. H2 + O2
NxCat
TM

(4nm palladium - platinum)

H2O 2

This breakthrough technology, called NxCat ™, is a palladium-platinum catalyst that eliminates all the hazardous reaction conditions a nd chemicals of the existing process , along with its undesirable byproducts. It produces H2O2 more efficiently, cutting both energy use and costs. It uses in nocuous, renewable feedstocks and generates no toxic waste. NxCat™ catalysts work because of their precisely controlled surface morphology. HTI has engineered a set of molecular templates and substrates that maintain control of the catalyst ’s crystal structure, particle size, composition, dispersion, and stability. This catalyst has a uniform 4 nanometer feature size that safely enables a high rate of produc tion with a hydrogen gas concentration below 4 percent in air (i.e., below t he flammability limit of hydrogen). It...
tracking img