Anaerobic digesters produce renewable energy from organic wastes, including animal wastes. However, ammonia toxicity stemming from the nitrogen content of animal wastes reduces the feasibility of the process. Approaches for stripping ammonia and recovering it via the use of strong mineral acids...

Iraq is one of the countries that have water scarcity problem. Many reasons have made this problem to be more complex. The modern irrigation methods have used as one solution to the water problem in Iraq. This paper investigates the effectiveness of modern irrigation methods in Iraq. The paper...