Bio-concrete and biogenic construction materials with cyanobacteria

Transitioning to climate-friendly construction

02-Jul-2024 - Fraunhofer researchers have developed a method of creating biogenic construction materials based on cyanobacteria. The bacteria multiply in a nutrient solution, driven by photosynthesis. When aggregates and fillers such as sand, basalt, or renewable raw materials are added, rock-like solid ...

A recipe for concrete that can withstand road salt deterioration

22-May-2017 - Road salt, used in copious helpings each winter to protect them from ice and preserve safe driving conditions, is slowly degrading the concrete they're made of. Engineers have known for some time that calcium chloride salt, commonly used as deicer, reacts with the calcium hydroxide in concrete to ...

Better eco-efficiency of formates in gas drilling

02-Feb-2010 - Using cesium and potassium formates in completion fluids that stabilize boreholes in gas production is more eco-efficient than the application of brines based on zinc bromide, calcium bromide and calcium chloride. This is the result of an eco-efficiency analysis performed by BASF. Formates are ...

Progress toward artificial tissue?

Soft and tough like biological tissue: DNA-wrapped carbon nanotubes

19-May-2009 - For modern implants and the growth of artificial tissue and organs, it is important to generate materials with characteristics that closely emulate nature. However, the tissue in our bodies has a combination of traits that are very hard to recreate in synthetic materials: It is both soft and very ...

AkzoNobel finalizes acquisition of LII Europe activities

21-Jan-2009 - AkzoNobel has completed the acquisition of the business and assets of the German-based company LII Europe. The acquired activities will be integrated into AkzoNobel Industrial Chemicals. Financial details were not disclosed. LII Europe operates a multi-client chlorine cluster on the Hoechst ...

AkzoNobel strengthening European chemicals portfolio

23-Dec-2008 - AkzoNobel is to enhance its chemicals portfolio after making an irrevocable bid on German-based LII Europe. Financial details were not disclosed. LII Europe operates a multi-client chlorine cluster on the Hoechst Industrial Park near Frankfurt. As well as its main chlorine activities, the ...

Chemtura Announces Long-Term Bromine Collaboration with TETRA Technologies

22-Dec-2006 - Chemtura Corporation announced that it has signed long-term supply and purchase agreements with TETRA Technologies, Inc. for a number of products, including bromine. Under the agreements, which are each 20 years or more in length: - TETRA will acquire its bromine requirements from Chemtura; - ...

Kemira sells calcium chloride business to TETRA Technologies, Inc.

13-Aug-2004 - Kemira has signed an agreement on the sale of its calcium chloride business to the American TETRA Technologies, Inc. The Group's annual net sales in calcium chloride total approx. EUR 50 million. The deal is conditional and subject to e.g. further approval by authorities. Kemira will strengthen ...

Kemira looks into ownership arrangement in its calcium chloride business

07-Jun-2004 - Kemira and the American TETRA Technologies, Inc. have agreed on looking into ownership arrangements concerning Kemira's calcium chloride business. It is expected that the evaluation will be completed later this summer. Kemira runs calcium chloride production in Kokkola, Finland, and in ...

Solvay Soda Ash takes first step toward major chemical alliance in China

NCI, Subsidiary of Sinopec, identified as the appropriate potential partner

14-May-2004 - Solvay announces today that it has signed a Letter of mutual interest with Nanjing Chemical Industries (NCI), a unit of China PetroChemical Corporation (Sinopec), aiming at setting up a joint venture for the operation of NCI's soda ash plant in Lianyungang, China. Both parties will now enter into ...