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Question:
(a) Explain the precautions that should be taken by plant operators while handling chlorine gas used in disinfection of wastewater.
(b) Show why disinfection of sludge is important and list seven ways how disinfection of sludge can be achieved.
(c) In various countries, there are still concerns from experts and local communities about the environmental impact of incinerators. Consider the following two types of emissions produced by these waste treatment facilities:
(i) Gas phase emission (ii) Particulate emission
State one possible major problem associated with each emission. Provide relevant solutions to the problems stated.
1. Discuss how you would go about collecting data for an analysis of the water budget of a region. 2. Discuss the sources and impacts of suspended solids. 3. The reaction o
consider the reaction: Mg(s) +2H _Mg(aq)+H2(g).Calculate the standard electrode potential.
Steam Distillation - Purification of Organic Compounds This technique is applicable for the separation and purification of those organic compounds that are solids or liquids wh
H2O is liquid buy why H2s gas? who it is one group.
Necessary Precautions for Quick Vinegar Process In this process, the following precautions are necessary: a. The concentration of the ethyl alcohol could not be much more th
trailing of mercury
a small 0.600ml bubble forms at the bottom of a lake where the temperature is 4.0 degrees Celsius and the pressure is 2.40 atm. What volume will the bubble occupy near the surface
GROUP 2: ALKALINE EARTHS The elements known commonly as alkaline earths have atoms with the (ns) 2 design and almost always have the +2 oxidation state in their compound
order
A water treatment plant is to process 30,000 m3/d of raw water. A tapered flocculation basin having four flocculators with velocity gradients 40/sec, 30/sec, 20/sec and 10/sec is t
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