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BASF and Toyo Partner in Marketing Coal Syngas Purification System

Toyo Engineering Corporation and BASF have entered into a cooperative agreement to market and sell a gas purification technology specifically designed to purify synthesis gas streams for use in Integrated Gasification Combined Cycle (IGCC) power plants or for processing for chemical and fuel products.

The technology, which will be marketed under the brand name PuraTreat A selectively removes sulfur compounds such as hydrogen sulfide or carbonyl sulfide from synthesis gas streams based on coal.

Two other BASF products in the family, PuraTreat F and R, are high-performance solvents used for the removal of CO2 and H2S, and the selective removal of H2S respectively, specifically in gas streams containing olefins and/or oxygen. In addition to high stability in the presence of olefins and oxygen, the use of PuraTreat is associated with negligible vapor pressure. The products also offer particularly low hydrocarbon solubility (lower than water). PuraTreat F and R contain no ethanolamines. Both are non-toxic and biodegradable.

Compared to currently used processes, the new PuraTreat A technology is more energy efficient, more flexible and requires significantly less capital investment for grassroots plants, according to BASF.

This partnership strengthens the relationship between Toyo and BASF as both companies have already successfully worked together on numerous projects including acid gas sweetening using BASF’s aMDEA technology—short for “activated methyl diethanolamine.”

The BASF process has been known for a long time, and is used in more than 220 plants worldwide to scrub natural and synthesis gases.

Due to the high oil and gas prices coal gasification has gained importance over the last few years. We see the cooperation as an opportunity to diversify into new segments.

—Dr. Rupert Wagner, BASF Intermediates division



"PuraTreat F and R contain no ethanolamines. Both are non-toxic and biodegradable."

This sounds like a good thing to me. Clean up in gasification is a big deal. If this does it better, most excellent.

owen spooner

i have made 2 lots of bio diesel out of fish and chip oil about 50litres i have used 20litres in my car a nissan laural 1987 model.the car had a small increase in power and ran a little less noisey.however i used the fuel in one long trip i am reluctant to leave the fuel in my fuel tank for too long as i have not found a way to check the ph level of the finished product.i did a titration test at the begining of the process but would like to test the fuel after just to make sure.i have tried litmus paper but it doesent change colour at all,ieven bought some new paper as i thought some i already had may have been too old but the result is the same.i would appreciate it if you could give me an answer thank you


You might try the or another Newsgroups on the Internet. There are lots of people that make their own biodiesel that post in those places.

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