| Author | Pongsri Paopuree |
| Call Number | AIT Thesis no.EV-96-29 |
| Subject(s) | Waste minimization
|
| Note | A thesis submitted in partial fulfillment of the requirements for the degree of Master of
Science |
| Publisher | Asian Institute of Technology |
| Abstract | A large scale synthetic textile industry was selected for waste minimization
study. It was found that more than 88% of total water supply was consumed in dyeing
process. The distribution of wastewater in nylon and polyester dyeing process were
36% and 48% respectively. Due to a large portion of wastewater discharged from
textile industry in term of high COD, colour, BOD5, and alkalinity that actually cause
the environmental problems.
Waste minimization techniques can reduce the level of the threatening
environmental problems, however, inevitably was found in dyeing process. This study
was performed that the selected industry will be approached in waste minimization as
following techniques. Firstly, source reduction by means of good house keeping and
reducing the volume of wastewater in physico-chemical system by not combined
colourless wastewater to coloured wastewater. Consequently the factory will save
2,000 baht/month. Secondly, there are two main on- site sources to reused water, the
third scouring rinsing unit and polishing pond. From these two points the factory will
save 10,000 baht/month and 4,000 baht/month, respectively. Thirdly, Iron salt no.1
which act as coagulant is necessary being substituted for Alum in physico-chemical
system. Proper preconditioning operation in activated sludge system will gain higher
efficiency, and factory will save more than 100,000 baht/month. |
| Year | 1996 |
| Type | Thesis |
| School | School of Environment, Resources, and Development (SERD) |
| Department | Department of Energy and Climate Change (Former title: Department of Energy, Environment, and Climate Change (DEECC)) |
| Academic Program/FoS | Environmental Engineering (EV) |
| Chairperson(s) | Samorn Muttamara; |
| Examination Committee(s) | Yang, Byung-Soo;Sompol Boonthanon; |
| Scholarship Donor(s) | Royal Thai Government (RTG); |
| Degree | Thesis (M.Sc.) - Asian Institute of Technology, 1996 |