Effects of gamma irradiation on color removal from reactive red 24 aqueous solutions

Abstract

With the high rate of economical and social development, Ho Chi Minh City has been attaching immigrants to work, study and live. The immigrants have made the population increased that resulted in overloading infrastructure. The study has done in order to build a database on the status of housing and infrastructure in the concentrated immigrant areas in Ho Chi Minh City . Results of the survey of 1,000 immigrants in the concentrated immigrant areas in 5 Districts assigned throughout HCMC showed: (1) 92.6 % houses are rented, (2) 95.6 % immigrants are living in low quality houses, reach Vietnamese standard for housing at level 4, (3) 57.6% immigrants live in the area less than 6m2/person, (4) the condition of infrastructures (power supply, water supply, sewerage, garbage collection, toilets, information networks and roads) are deficiency, poor quality and high service prices.