Waste, water an wastewater management

Which are from below are NOT source waste from mining industry

• tailing

• tyres

• waste rock

• chemical

Which below is source of municiple solid waste

• chemical

• concrete

• Food waste

• medical waste

Below are the alternative treatment for industrial waste EXCEPT

• solvent extraction

• inceneration

• dechlorination

• recycling

Which below is categories of waste

I. Hazardous waste

II. Industrial waste

III. Agricultural waste

IV. Municipal solid waste

• I and II

• I, II and III

• I, II and IV

• All above

What is waste prevention

• Process that limit or increase the amount and/or the toxicity of wastes that are generated

• Practices that limit or increase the amount and/or the toxicity of wastes that are generated

• Practices that limit or cut down the amount and/or the toxicity of wastes that are generated

• Practices that limit or cut down the amount and/or the toxicity of new product that are generated

Which process is NOT happened at the secondary process of wastewater treatment

• Aeration

• Biofiltration

• Oxidation pond

• Separation