19:28 Aug 11, 2018
German to English translations [PRO]
Tech/Engineering - Chemistry; Chem Sci/Eng
German term or phrase: Schleppstickstoff
This term occurs in the following context "Über das Rotameter werden etwa 2 m³/h *Schleppstickstoff* in den Behälter eingespeist." It occurs in a subsection entitled "Zugabe von Methanol aus IBC".
United Kingdom
Local time: 06:40

Summary of answers provided
4nitrogen blanketing
Edith Kelly
3 +1entraining nitrogen
Kim Metzger

Discussion entries: 5



1 hr   confidence: Answerer confidence 3/5Answerer confidence 3/5 peer agreement (net): +1
entraining nitrogen

Dieser wird abgesaugt, mit Acetonitril (260 mL, auf 0-5 <0>C gekühlt) nachgewaschen und über Nacht bei 45 <0>C im VTS mit Schleppstickstoff getrocknet. So werden insgesamt 424,3 g N-(2-Brom-6-fluorphenyl)-N'-[2-methoxy-5-(trifluormethyl)phenylJHarnstoff als Feststoff erhalten, entsprechend 99,2 % der Theorie.

This is suction filtered, washed with acetonitrile (260 mL, cooled to 0-5 0 C) washed and dried overnight at 45 0 C in the VDO using entraining nitrogen. Thus, a total of 424.3 g of N- (2-bromo-6-fluorophenyl) -N '- [2-methoxy-5- (trifluoromethyl) phenylJ- urea as a solid, corresponding to 99.2% of theory.

Das erhaltene kristalline Produkt wird durch Zentrifugieren isoliert mit kaltem Acetonitril (zweimal ca. 13 l) gewaschen und bei 45°C im VTS mit Schleppstickstoff getrocknet (ca. 3,5 h).

The crystalline product obtained is isolated by centrifugation with cold acetonitrile (twice ca. 13 l) and dried at 45 ° C in the VDO using entraining nitrogen dried (approximately 3.5 h).

Note added at 1 hr (2018-08-11 21:03:03 GMT)

This isn't my specialty at all. It could also be "entrained nitrogen." The methanol is passed through suitable indoor piping to the furnace. With a pressurized gas system, a portion of the nitrogen becomes entrained in the methanol and the entrained nitrogen has an adverse effect on the performance of flowmeters in the system. The gas accumulates as bubbles in the flowmeter causing the float of the flowmeter to move erratically and promoting erroneous flow readings.

Kim Metzger
Local time: 00:40
Native speaker of: Native in EnglishEnglish
PRO pts in category: 107

Peer comments on this answer (and responses from the answerer)
agree  herbalchemist: I think "nitrogen (for use as carrier gas for methanol)," but I would like more info.
12 hrs
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11 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
nitrogen blanketing

one of very many examples:
This is common practice for the application you describe though more context would be useful.

Edith Kelly
Local time: 07:40
Specializes in field
Native speaker of: Native in GermanGerman, Native in EnglishEnglish
PRO pts in category: 189
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