A Tale of Two Sites

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+ A Tale of Two Sites Robert Lee and Steven Vaughan

description

A Tale of Two Sites. Robert Lee and Steven Vaughan. St Michaels Golf Course, Widnes. Le Blanc Process. Sulphuric acid + Salt H2So4 + 2NaCl = Na2So4 + 2HCl Sodium Sulphate + Hydrochloric Acid Salt cake + Limestone + Coal Na2So4 + CaCo3 + C = Na2Co3 + CaS + 2Co2 (Black Ash) - PowerPoint PPT Presentation

Transcript of A Tale of Two Sites

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A Tale of Two Sites

Robert Lee and Steven Vaughan

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+St Michaels Golf Course,Widnes

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+Le Blanc Process

Sulphuric acid + Salt

H2So4 + 2NaCl = Na2So4 + 2HCl

Sodium Sulphate + Hydrochloric Acid

Salt cake + Limestone + Coal

Na2So4 + CaCo3 + C = Na2Co3 + CaS + 2Co2 (Black Ash)

Calcium sulphide + Sodium Carbonate + Carbon dioxide (leach with warm water to form soda crystals)

1 tonne of soda crystals + 2 tonnes of waste (Galligu)

Calcium sulphide, sodium sulphide unburnt coal & coal ash

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+ Dirty Old Town (2007) 7 Health Protection Matters 16

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“really did pong and didnt fancy it at first ,the smell of rotted eggs, shit and death were in the air and little bubbles of gas would release with every step taken,

along with the biggest gang of spiders ive seen layering the roof of this culvert”Kevsy

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+St Donats Road Estate, Cardiff

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Cardiff LawSchool

TheEstate

LeckwithAllotments

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+ Before WWII

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+ After the War

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+ Fly Ash

Lead

Arsenic

PAHs

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“Your homes are on toxic land, but don’t panic!”

Page 2, South Wales Echo, 17 June 2005

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29 Dunraven Rd 31 Dunraven Rd

Remediated Notice Revoked

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+ £1.5m Remediation by VHE

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