Water and Waste Water Treatment

Water is essential for everyday life. Water is pumped from wells, streams and reservoirs to water treatment plants where it is treated and distributed to customers.

Waste water travels through customers sewer pipes to waste water treatment plants where it is either treated and returned to streams, rivers and oceans or reused for irrigation and landscaping.

Water Treatment Plants

We undertake projects in water treatment plants to remove mechanical impurities, clayey turbidities, colloidal solutions, organic matter, oils, detergents, insects and bacteria. There are three principal stages in water purification:

Primary treatment - Collecting and screening including pumping from rivers and initial storage

  • Pumping & Containment
  • Screening
  • Storage
  • Pre-conditioning
  • Pre-chlorination

Secondary treatment - Removal of fine solids and the majority of contaminants using filtration, coagulation, flocculation and membranes.

  • ph adjustment
  • Coagulation
  • Flocculation
  • Sedimentation
  • Filtration
  • Slow sand filters
  • Ultra-filtration membranes

Tertiary treatment – Polishing, carbon treatment to remove taste and smells, disinfections and temporary storage to allow disinfecting agent to work.

  • Chlorine
  • UV radiation
  • Fluoridation / Fluoride removal
  • Water conditioning
  • Radium removal

Water treatment plants employ processes and equipment that remove or destroy harmful materials, chemical compounds and microorganisms from the water.

Waste Water Treatment

Water is a major element of industries and is continuously contaminated by use in households and agriculture fields. Complex techniques are used to treat the waste water and bring into reuse for applications other than human consumption.

The treated waste water can be used in industry again for applications like

  • fire protection systems
  • boiler feed water
  • cooling systems
  • sludge treatment