CONTACT US

Circa Group Pty Ltd
Bio21 Molecular Science
& Biotechnology Institute
30 Flemington Road, Parkville
VIC 3052 Australia
Twitter @circagroup

Tony Duncan
Chief Executive Officer
Tony.Duncan@circagroup.com.au

Fabien Deswarte
Business Development Manager
Fabien.Deswarte@circasc.com

c/o Bio 21, Flemington Road
Melbourne
Australia

+61 419 303 117

Circa Group is converting waste biomass into advanced biochemical materials.

CIR-044-Circa-NEWS.jpg

News

Recent research into Cyrene solvent potential with PVC plastics

Simm Design

Dr Christian Gunawan, Circa process chemist

Below are pictures showing dissolution of PVC in Cyrene (10% concentration). There are three pictures with two vials; both vials left at room temperature, one vial stirred at 50°C for 30 minutes with the other vial at room temperature (for comparison), and one vial stirred at 50°C for overnight with the other vial at room temperature. As you can see, PVC in Cyrene at room temperature tends to make a suspension and by heating to 50°C the mixture becomes clear and very thick gel like solution.

 PVC in Cyrene  Room temperature

PVC in Cyrene
Room temperature

 PVC in Cyrene  50°C for 30min

PVC in Cyrene
50°C for 30min

 PVC in Cyrene  50°C overnight

PVC in Cyrene
50°C overnight


Impact of REACH restrictions on NMP

Simm Design

Click here for full article

Catalyst: Possible Consequences of the N-Methyl Pyrrolidone REACH Restriction
James Sherwood, Thomas J. Farmer and James H. Clark

Regulation (EC) No. 1907/2006 of the European Parliament and of the Council on the Registration, Evaluation, Author-isation, and Restriction of Chemicals (REACH) is EU legislation designed to protect human health and the environ-ment from hazardous substances.


Bio-based solvents on the rise

Simm Design

Read the full article at
http://news.bio-based.eu/bio-based-solvents-on-the-rise/

Several criteria should be fulfilled in order to call a solvent ‘green’
Driven by government regulations and concerns regarding environmental preservation and depletion of natural resources, the bio-based solvents industry has faced an exponential rise in demand and a push towards the development of innovative green solutions. These solvents, among which bio-acetone and bio-ethanol, are an effective and low-cost alternative to conventional solvents.