English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories

3 answers

natural methane (sewer gas and from landfills) does.

2007-01-21 14:44:04 · answer #1 · answered by Anonymous · 0 0

Methane, Various mercaptans, possibly ammonia. Generally, compounds are reduced in such systems.

2007-01-21 14:45:49 · answer #2 · answered by cattbarf 7 · 0 0

POO

2007-01-21 14:46:19 · answer #3 · answered by Del C 3 · 0 0

fedest.com, questions and answers