Sulzer highlights pump launched in Orlando Today more than 80% of the electricity generation worldwide comes from thermal processes where, for most of the cases, cooling water systems are necessary. Sulzer is contributing to the optimisation of the power plants by introducing what it call ‘the innovative, highly efficient and cost-effective’ cooling water pump (CWP) range type SJT/SJM. The SJT/SJM CWP are “engineered to order” single stage mixed flow vertical pumps, with semi-open impellers available in…

Beijing – Sixteen people were killed in rain and hailstorms that triggered flooding and landslides in southern China, officials said Monday. The severe weather, which began last Friday, has affected seven provinces and municipalities, China’s ministry of civil affairs said in a statement. Sixteen people were dead and two others were missing. The storms are the first round of heavy rainfall this spring, the ministry said. In Guangdong province, one of the hardest-hit areas, flights at…

Acid mine drainage (AMD) is spilling out to the surface in the West Rand at a rate of around 30 million litres per month, leaving decimated ecosystems in its wake and posing critical danger to the future drinking water supply nationally – if left unchecked. “This water is essentially diluted sulphuric acid, high in sulphates with a pH of two. Anything below a pH of five will dissolve uranium,” Mintails Mogale Gold general manager of operations…

There are many indications that end users should not use a valve for flow control—or at least not to extremes.   Centrifugal pumps have many advantages compared with positive displacement pumps. They have the ability to run all over the curve. Open the valve to increase the flow, and close it to decrease the flow. This seems convenient and simple. However, this convenience can cause problems for end users. There are many indications that they should…