green chemistry - eu science...
TRANSCRIPT
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www.www.greenchemistrygreenchemistry.net.net
Green ChemistryToday and Tomorrow
James Clark
Green Chemistry Centre of ExcellenceChemistry DepartmentUniversity of York, UK
www.greenchemistry.net
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Benefits of the Chemical Industry
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www.www.greenchemistrygreenchemistry.net.net
Pressures on the Chemical IndustryAcross the Lifecycle
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www.www.greenchemistrygreenchemistry.net.net
COSTS OF WASTE
Environment
Public Relations
Future
Waste Disposal
Production
Depletion ofnatural resources
Raw materialinefficiencies
Plant utilisationinefficiencies
Higher productioncosts
Fines Pollution Clean up costs Recruitmentdifficulties
Attitudes ofworkforce
Energyinefficiencies
Emissions Health and safetyissues
Attitudes of Neighbours
Local planningrestrictions
Tougherlegislation
Increased cost oftechnology to stay in
business
Increased cost ofraw materials
through depletion
containerstransport
Late shipment By-productgeneration
Less competitivepricing
Poor customerrelations
Loss of business
Increased costsof disposal
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www.www.greenchemistrygreenchemistry.net.net
Green Chemistry and the Consumer“Research shows that 80% of the 16 Million people visiting our stores eachweek want sustainable products”
“A clear majority (of our customers) want this process to be simplified”
“Green Chemistry is not only a solution, it is the solution”
[Mike Barry, Mark & Spencer Head of CSR]
“Chemicals are featuring more prominently in stakeholder resolution …. Theresolutions are a sign of pressure to come, driven by more organised NGOactions, increased consumer concern and an availability of safer alternativeproducts”
“(Major companies) … are being asked to lay out a strategy for becoming aleader in safe chemical use”
[Ends report]
“Green chemistry offers corporate managers and investors on opportunityto reap the benefits of 21st century thinking and avoids the risk of 20th
century chemistry”
[Rich Liroff, WWF-US]
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www.www.greenchemistrygreenchemistry.net.net
What is Green Chemistry?Sustainable Development and Business
SD
ECONOMIC
SOCIALENVIRONMENTAL
Energy
waste
Non-renewables
risk
cost REDUCE water
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www.www.greenchemistrygreenchemistry.net.net
Sustainablefeedstocks
Greenerprocesses
Green Productdesign
MeasuringGreen
Green and SustainableSupply Chains
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www.www.greenchemistrygreenchemistry.net.net
Making your raw materialmore sustainable
The chemical industry is too dependent on traditionalvirgin sources of raw materials - sources that
are becoming scarce, expensive and unreliable, and oftenfrom regions with uncertain social and political conditions
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www.www.greenchemistrygreenchemistry.net.net
Resource demands of chemical manufacturing
Chemical industryneeds numerous raw
materials (P, S, Sb,In, As..)which are becoming rare
Pre-manufacturing Manufacturing End of LifeProduct
UseProductDelivery
10% of oil usedas raw material
for making chemicals
10% of oil forchemical manufacturing
Disposal of chemicalscan use resources
and cause environmentalharm
Chemical usemay have highenergy costsHigh resource demands
for disposal
Long global supplychains add tochemical environmentalfootprints
ChemicalManufacturingproduces 4%of global CO2
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www.www.greenchemistrygreenchemistry.net.net
Key elements are running out!
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www.www.greenchemistrygreenchemistry.net.net
Waste is tomorrows resource
We need to encourage the greater use ofchemically rich waste as a resource
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www.www.greenchemistrygreenchemistry.net.net
Sustainable sourcesof
Carbon
Over 90% of organic chemicals are based on petroleum feedstocksthis is not sustainable
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www.www.greenchemistrygreenchemistry.net.net
Extractables(secondary metabolites
from straw) Materials(primary metabolites –
starch, cellulose)
Bulk Chemicals((Bio)chemical processing of
bulk materials/residues)
CH
EM
ICA
LP
OT
EN
TIA
LT
EC
HN
OL
OG
IES
AD
DIN
GV
AL
UE
Biomass
Benign Extraction Methods
Separation/Purification
Green Chemical Transformation
Expansion Methods
Green ChemicalModification
Composites
Selective Fermentation
Controlled Pyrolysis
Extraction Technology
(Bio)platform molecules
Green Chemistry/technology
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www.www.greenchemistrygreenchemistry.net.net
Plant waxesPlant waxes
Sterols/Sterols/ SterylSteryl estersestersOH
O
O
EstersEsters
Resin acidsResin acids
OH
O
Fatty acidsFatty acids
GlyceridesGlycerides
O
O
O
O
O
OCOOH
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Biodiesel Glycerol -fuel and chemical valueespecially when based on wastes as feedstocks
ClO
Glycerineco-product
New Solvay Process
Epichlorohydrin
Surfaces, plasticetc
= oldroute toglycerol
propene
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www.www.greenchemistrygreenchemistry.net.net
SUSTOIL: a new Networkfor the sustainable use of plant oils
.
23 partners from 10 EU countries
Collaborators from outside EU
Coordinated by the Green Chemistry Centre
Farming/harvesting Primary processing Secondaryprocessing
-
INTEGRATED BIOREFINERYSCHEMES
www.sustoil.org
We need to more rapidly move towards the use of non-competitivebiomass as a feedstock for chemical manufacturing
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www.www.greenchemistrygreenchemistry.net.net
Making your processgreener
Chemical manufacturing is largely based on chemistry thatis complex, energy- , solvent-, and water-intensive and produces
considerably more (often hazardous) waste than product
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www.www.greenchemistrygreenchemistry.net.net
Green Chemical Processing
Farming/
Harvesting
Waste-sorting
Primary
processing
- Benign (solvent)extraction
- Bioprocessing(enzyme and whole cell)
- Controlled pyrolysis
(catalytic,microwave…)
Secondaryprocessing
-Heterogeneous catalytictechnology
--Biocatalytic technology
-- Low energy (e.gmicrowave) processes
-Intensive processing
-
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www.www.greenchemistrygreenchemistry.net.net
Making Amides: Development of a Cleaner Process
Starting Material
Amide product
Green Chemistry
Single step catalytic process
Cheap reusable catalyst
Very high atom utilisation
Simple work-up/separation
No hazardous waste
Traditional Chemistry
Expensive and dangerous
auxiliaries
Low atom utilisation
Large amount of dangerouswaste
For example…….for the preparation of widely used intermediates
We can be too clever to be green: we need to encouragesimpler, cleaner chemical manufacturing
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www.www.greenchemistrygreenchemistry.net.net
Making your productgreener
Social, environmental, legislative, supply chain and worldwide politicalpressures make the introduction of greener products imperative
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Identify generic substance types of concern
Study currently available alternatives
Chemicals derived from renewableresources & with green lifecycle
PROBLEMS
SOLUTIONS
OPPORTUNITIES
Examples
Solvents (replacing VOCs)
Adhesives (replacing formaldehyde)
Flame retardants (replacing polybrominated cmpds)
Primers (replacing chromate)
Routes to Substitution
Supercritical fluids, biosolvents (solvents)
Modified polysaccharides (adhesives)
Clay nanocomposites (flame retardants)
Citrates (primers)
Platform molecules from biomass
Natural extracts
Biomaterials
Green Chemistry modified natural products
We need to promote practical routes to and incentivisesubstitution and not simply legislate for avoidance
Green and sustainable products
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www.www.greenchemistrygreenchemistry.net.net
Solvents from Renewables
Biomass
IsosorbideIsosorbide esters
Roquette
Dextrose --> lactic acidGlucose + H2
sorbitol
Glucose succinic acid
Levulinic acid
Fermentation
SuccinateEsters
(Bioamber, DSM, Roquette)
Lactate estersAshland
Methyl-THFLoba-Chemie
Green Chemical Transformations
Ethyl lactateVertec Biosolvents
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www.www.greenchemistrygreenchemistry.net.net
Examples of Companies showingleadership in Green Chemistry
InterfaceFlor - take-back schemes and research on use of renewableresources and green product design for carpets
Armstrong World - use of renewable resources in floor coveringsGSK- green chemistry process metrics, awards scheme
Cognis, Ecover, Henkel - green surfactantsPfizer, Rhodia, Enichem, Merck - greener manufacturing processes
Roquette, DSM, Dow, Bioamber, DNP - chemicals based onrenewables
Solvay, Dow - chemicals based on biofuel co-productsNature Works, DuPont - bioplastics
Hua Yi group - corporate green chemistry policy
Companies showing good practice need to be rewarded
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www.www.greenchemistrygreenchemistry.net.net
Environmental Footprint
How Green is my Chemical?Carbon Footprint
Green Chemistry metrics
PBT and related product classifications
There is no standard for measuring greeness but weneed to establish a mechanism of approval formethods used and the reporting made
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www.www.greenchemistrygreenchemistry.net.net
Environmental impacts from a shower gel
Heavy reliance onPetrochemicals
Pre-manufacturing Manufacturing End of LifeProduct
UseProductDelivery
High energy use inmanufacturing
Waste chemicalsneed to be treated and/or beenvironmentally compatible
High water and energy demands
Waste/product massRatio >>1 for mostFine chemicals
Long global supplychains and large numberof components addsto transport burden
ChemicalManufacturingproduces 4%of global CO2
We need to encourage full life-cycle thinkingacross the supply chain for
determining environmental impact
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www.www.greenchemistrygreenchemistry.net.net
Two – box lifecycle measure of greeness
Before
•Sustainability of raw materials
•Processing (all stages)
•Formulation (inc. packaging
•Transport
•Hazardous process wastes andtreatment
•Energy
After
Waste during use
Packaging
Landfill/incineration
Biodegradability
Recycling / reuse
before consumer after consumer
The consumer interface
The consumer is a vital part of the “greening” process
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www.www.greenchemistrygreenchemistry.net.net
Supply chain partnerships
Supply chains for current chemicals areinadequate for green and sustainable chemicals
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www.www.greenchemistrygreenchemistry.net.net
Reducing Environmental Footprint
Suppliers Manufacturers Producers Retailers Consumers
RenewableResources
GreenerProcesses
SaferComponents
GreenProducts
Sustainablefeedstocks to
reduceenvironmental burden
Clean, efficientmanufacturing
requiredDesire to monitorgreen credentials
Increased consumerawareness
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www.www.greenchemistrygreenchemistry.net.net
Eco-waxesYork - Charles Jackson Farms - Botanix - Croda - Compak
Wheat strawScCO2 extraction
Wax products
Cosmetic Products
Health Products
Semiochemicals(Rothamsted)
“Natural” products are very desirable…they need to be:
- derived from natural resources- extracted using “natural” solvents (H2O, EtOH, CO2)- modified only be “natural” methods (biocatalysis)
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www.www.greenchemistrygreenchemistry.net.net
Green OfficeYork-Velcourt-Bical-BCC-PQ-B&Q-BioFlame-Compak (LINK)
Bio-based composite materials for structural and furniture applications
and for the residues………
Overall good metrics for sustainability, greener products,waste avoidance and low environmental impact manufacturing
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www.www.greenchemistrygreenchemistry.net.net
Recyclable
York-Interface-Itac-Contract Chemicals -(TSB)Switchable adhesives for carpet tiles
We need to promote case studies of green and sustainable supply chains
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www.www.greenchemistrygreenchemistry.net.net
• Research• Industry collaboration• Education, including
development of teachingand promotional materials
• Networking with allchemical stakeholders
Activity Areas
The Centre’s Activities can be groups into 4 areas:
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www.www.greenchemistrygreenchemistry.net.net
MSc in Green Chemistry& Sustainable Industrial Technology
Principles & TechnologiesPrinciples, Environmental Impact, Chemical Engineering,
Catalysis for Green Chemistry,Alternative Reaction Media, Energy,
Clean Synthesis, Renewable Resources,Greener Products
Supporting CoursesIP, Business Opportunities, Green Chemistry Presentations,
Legislation Presentations and Literature Research
Research Project & Oral PresentationIn collaboration with Industry
Transferable
Skills
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www.www.greenchemistrygreenchemistry.net.net
Education and Training
Contact-basedSupported e -learning
CPD(including Masterclasses and
on-site delivery)Full or Part-time
Certificate, Diplomas and Degree options
We need to better prepare the next generation andretrain the existing workforce in the principles
and practices of green chemistry
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www.www.greenchemistrygreenchemistry.net.net
Networking Projects:Green Chemistry Network
• Est. 1998 withfunding from theRoyal Society ofChemistry
• One of the largestinternationalnetworks of thistype in the world
• Internationalmembership
• Excellent forumfor informationexchanges andcollaboration
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www.www.greenchemistrygreenchemistry.net.net
Networking ProjectsGreen Chemistry & the ConsumerEngaging the retailers through low technicalawareness of greener chemistry
“Research shows that 80% of the16 Million people visiting our storeseach week want sustainableproducts”
“A clear majority (of ourcustomers) want this process to besimplified”
“Green Chemistry is not only asolution, it is the solution”
[Mike Barry, Mark & Spencer Head ofCSR]
Biodegradable Surfactants
Halogen-free flame retardants
Environmentally friendly bitter-taste
blockers for drugs
http://www.rsc.org/chemsoc/gcn/industry.htm#consumer
We must encourage mechanisms for engaging the(very many) users of the chemical industry
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www.www.greenchemistrygreenchemistry.net.net
Green consumer productsYork-Boots-Bristol and Glasgow Science Centres
www.greenconsumerproducts.net
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www.www.greenchemistrygreenchemistry.net.net
15th & 16th June 2009The King’s Manor, York, UK
Plus pre-symposium Masterclass & evening event
Speakers from retail, industry, academia, NGO and others
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www.www.greenchemistrygreenchemistry.net.net
Research
Industry
Networking
Education
www.greenchemistry.net