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![Page 1: Www.greenchemistry.net Green Chemistry and Sustainability From waste to wealth James Clark Green Chemistry Centre of Excellence University of York, UK.](https://reader036.fdocuments.in/reader036/viewer/2022070411/56649cf05503460f949bfd59/html5/thumbnails/1.jpg)
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Green Chemistry and SustainabilityFrom waste to wealth
James ClarkGreen Chemistry Centre of Excellence
University of York, UK
www.greenchemistry.net
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Benefits of the Chemical Industry
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Yet everybody hates chemicals!
Pressures on the Chemical Industry Across the Lifecycle
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We are running out of key elements
Elemental unsustainability
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Location of Scarce Elements
5And who owns the mineral rights to those that are left?
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So much ends up in waste
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What do we do with our waste?
What a waste!!
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Waste is tomorrows resource
We need to encourage the greater use of chemically rich waste as a resource
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…Food waste is everywhere too !
• 90 Mt of food waste generated every year in the E.U.27 (incl. industrial and household waste)
• or 179kg per capita
• in the UK, over 90% of the 5.7 Mt of commercial and industrial FW is discarded to landfill
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A world of possibilities…
Palm oil waste 15.8 Mt/y
Unripe coconut husks 5 Mt/y
Cassava starch 228 Mt/y
30 Mt/y of Agro-residues382 t/y coffee
husks
1 Mt/y of food waste
Agro-residues 46 Mt/y
Spent coffee grounds 3 Mt/y
Orange peels12 Mt/y
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Food supply chain residues
sugarsphenols
collagen
starch
natural dyes
chitosan
cellulose
pectin
hemicellulose
waxes
filmsbio-adhesives
hydrogels
natural chelants
bio-solvents
chemical monomers
nanocomposites
bio-surfactants
PVC replacements
Chemicals from food waste
Liquid fuels
cosmetic waxes
solid fuels
hydrophobes
lignin
Visit our exhibition!
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Selection Criteria
• volumes available in one location
• chemical potential
• occurrence in different countries
• local Network contacts
• relevance for green chemical technologies
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Sustainable sources of
Carbon
Over 90% of organic chemicals are based on petroleum feedstocks- this is not sustainable
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Petroleumfeedstock
Fuels
Solvent
Bulk chemicals
Plastics
Fibres
Fine chemicals
Oils
Petroleum Refinery
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Fuels
Solvent
Bulk chemicals
Plastics
Fibres
Fine chemicals
Oils
Bio-refinery
Biomass
Don’t use food quality feedstocks!!
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We need to introduceGreen Chemistry
concepts and practicesacross the supply chain(s)
It’s not just about how safe the product is….Or how clean the manufacturing is……..Or how sustainable the feedstocks are
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Valorising food waste makes your raw material
double greenThe chemical industry is too dependent on traditional
virgin sources of raw materials - sources thatare becoming scarce, expensive and unreliable, and often from regions with uncertain social and political conditions
Why don’t we even make it triple green?
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What is Green Chemistry? Sustainable Development and Business
SD
ECONOMIC
SOCIALENVIRONMENTAL
Energy
waste
Non-renewables
risk
cost REDUCE water
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Microwave Processing
Clean Synthesis
& Platform
Molecules
Natural Solvents &
Biolubricants
Training, Education
and Networks
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Extractables(secondary metabolites
from straw) Materials(primary metabolites –
starch, cellulose)
Bulk Chemicals((Bio)chemical processing of
bulk materials/residues)
CH
EM
ICA
L P
OT
EN
TIA
LT
EC
HN
OL
OG
IES
AD
DIN
G V
AL
UE
Biomass
including food and agro-wastes
Benign Extraction Methods
Separation/Purification
Green Chemical Transformation
Expansion Methods
Green Chemical Modification
Composites
Selective Fermentation
Controlled Pyrolysis
Extraction Technology
(Bio)platform molecules
Green Chemistry/technology
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Recyclable
Making use of food wastes…..Switchable adhesives for carpet tiles (InterfaceFlor)
Diverting millions of Kg pa from landfill
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Bio-silicates (B&Q)Bio-based composite materials for structural and furniture applications
Future construction materials based on 100% green and sustainable components
More uses for food waste and for ashes…..
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Making your processgreener
Chemical manufacturing is largely based on chemistry that
is complex, energy- , solvent-, and water-intensive and produces
a lot of CO2 and considerably more (often hazardous) waste than product
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Eco-waxesCharles Jackson Farms - Botanix - Croda - L’Oreal - Processum
Wheat straw ScCO2 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)
Using plant extracts….
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Microwave activation of biomassdevelopment of an alternative method of decomposing biomass
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One type of future biorefinerybased on single large volume feedstockand using green chemical technologies
to make a range of products
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Integrated wheatstraw biorefinery
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A new OPEC- Orange Peel Exploitation
Company
50% juice 50% waste
Valorisation of a million ton scale pre-consumer waste to bio-chemicals, bio-materials and bio-fuels.
BIO-CHEMICALS
8,069,705 T/y of waste orange peels
available in Brazil
BIO-FUELS
BIO-MATERIALS
bio-ethanol
Bio-solvents
chars
liquid fuelssugars
water purificationseparations
Natural fragrance chemicals
Chemical intermediates
acid catalysts
catalysis
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8,069,705 T/y
of waste orange peels available in
Brazil for example
Chemicals & solvents
Waxes, alkanes, surface
hydrophobes, insect repellant
Waxes, alkanes, surface
hydrophobes, insect repellant
Personal care product additives
Personal care product additives
Flavours & fragrances
Bio d-limoneneBio d-limonene
Bio-plastics (i.e. PET)
Bio-plastics (i.e. PET)
Bio p-cymeneBio p-cymene
Bio p-cymene sulphonic acid:
organic acid catalyst
Bio p-cymene sulphonic acid:
organic acid catalyst
Bio p-cresol & bio-acetone:
commodity chemicals
Bio p-cresol & bio-acetone:
commodity chemicals
Sugars
Bio-ethanolBio-ethanol
Other platform molecules i.e. HMF
Other platform molecules i.e. HMF
Pectin
Pectin thickening agent in food
products
Pectin thickening agent in food
products
Mesoporous carbonaceous material for catalysis, metal support, water purification
and separation
Mesoporous carbonaceous material for catalysis, metal support, water purification
and separation
OH OH
O
SO3H
CHOHOH2C O
+
Bio α-terpineolBio α-terpineol
p-α-dimethyl styrene
p-α-dimethyl styrene
OHJuicing process
Oranges
Orange juice
Cellulose
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Recent developments in the press:
PepsiCo looks to reuse plant waste Mar 14, 2011 6:10pm EDT CHICAGO (Reuters)
PepsiCo Develops World's First 100 Percent Plant-Based, Renewably Sourced PET BottlePepsiCo Inc is working on ways to reuse waste
like oat husks and orange peels.
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York, the University and Green Chemistry at York
Top 5 UK-ranked Chemistry Department
World-leading Green Chemistry Centre dedicated to creating genuinely sustainable supply chains for chemical and related products;-associated activities include Centre for NovelAgricultural Products (white biotechnology) andStockholm Environment Institute
Top 100 World- and Top 10 UK-ranked University University of the Year 2010
YorkOne of Europe’s most beautiful
and historic cities
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• Research• Industry collaboration • Education, including
development of teaching and promotional materials
• Networking with all chemical stakeholders
Activity Areas
The Centre’s Activities can be groups into 4 areas:
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NORSCCombining the expertise of the leading Northern England Universitiesto provide sustainable chemistrysolutions to industry
NORSCCombining the expertise of the leading Northern England Universitiesto provide sustainable chemistrysolutions to industry
MUSCThe Chemical Industries Associationand the Green Chemistry Centreworking together to create new green and sustainable supply chainsfor chemical products
MUSCThe Chemical Industries Associationand the Green Chemistry Centreworking together to create new green and sustainable supply chainsfor chemical products
Anglo-French collaborationchemicals from biomassusing green chemistryand white biotechnology
Anglo-French collaborationchemicals from biomassusing green chemistryand white biotechnology
Green Chemistry and the ConsumerGreen chemistry solutions forthe retailer and producer
Green Chemistry and the ConsumerGreen chemistry solutions forthe retailer and producer
Green Chemistry networks worldwideGreece, Portugal, Cyprus, Japan, USA,Korea, Brazil……..
Green Chemistry networks worldwideGreece, Portugal, Cyprus, Japan, USA,Korea, Brazil……..
Promoting awareness and facilitating, education, training and practiceof green chemistry worldwide
Promoting awareness and facilitating, education, training and practiceof green chemistry worldwide SUSTOIL
The internationalNetwork foralternatives to petroleum
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Education and Training
Contact-based long and shortCourses and Masterclasses
Supported e -learning
Full or Part-time Certificate, Diplomas and Degree options
Including MSc in Green Chemistry and Sustainable Industrial Technology
We need to better prepare the next generation and retrain the existing workforce in the principles
and practices of green chemistry
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MSc in Green Chemistry & Sustainable Industrial TechnologyPrinciples & Technologies Principles, Environmental Impact, Chemical Engineering, Catalysis for Green Chemistry,Alternative Reaction Media, Energy, Clean Synthesis, Renewable Resources, Greener ProductsSupporting CoursesIP, Business Opportunities, Green Chemistry Presentations, Legislation Presentations and Literature Research
Research Project & Oral PresentationIn collaboration with Industry
Transferable
Ski l ls
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Green Chemistry Network
• Est. 1998 with funding from the Royal Society of Chemistry
• Not-for-profit CLG• One of the largest
international networks of this type in the world
• International membership
• Excellent forum for information exchanges and collaboration
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Networking ProjectsGreen Chemistry & the ConsumerEngaging the retailers through low technical awareness of greener chemistry
“Research shows that 80% of the 16 Million people visiting our stores each week 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]
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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Science and Society Engagement Celebration Event (2010)
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Pre – HE: Education and Outreach
Aims
• To excite young people about chemistry and the positive impact it can have.
• To enable young people to critically engage with ideas and solutions
Impacts/areas of work
• lots of projects and funding at key stage 2
- Discovery Days, Countryside Days, Science Days in Primary Schools
- High awareness about environment at young age, interest and enthusiasm
• opportunities at GCSE/A level stage
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(some of) the York Green Chemistry Centre staff and graduate students
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Past
The Chemical Industry of the Past(?)
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The Chemical Industry Today
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The Chemical Industry Tomorrow(?)
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Research
Industry
Networking
Education
www.greenchemistry.net