Reverse osmosis (RO) is a water purification technology that uses a semipermeable membrane to remove ions, molecules and larger particles from drinking water. In reverse osmosis, an applied pressure is used to overcome osmotic pressure, a colligative property, that is driven by chemical potential differences of the solvent, a thermodynamic parameter.
> click to download the full MLM IDP 2017-18 document < INTRODUCTION, CONTEXT AND OVERVIEW; In terms of the Municipal Systems Act 2000 (Act No 32 of 2000), municipalities need to annually review their IDP's in order to assess their performance and changing circumstances.
INSTRUCTIONS: Work in groups of three. Choose one mining industry in South Africa and find information about the industry of your choice. Choose from the following list: gold, iron, coal, phosphate, manganese, diamond, chromium, copper and the platinum group metals (PGMs).
COSATU Central Executive Committee statement 28-30 August 2017. 31 August 2017. The Congress of South African Trade Unions held a scheduled meeting of its Central Executive Committee from 28-30 August 2017, which was attended by all members of the CEC.
STATE OF CAPTURE. Report on an investigation into alleged improper and unethical conduct by the President and other state functionaries relating to alleged improper relationships and involvement of the Gupta family in the removal and appointment of Ministers and Directors of State-Owned Enterprises resulting in improper and possibly corrupt award of state contracts and benefits to the Gupta ...