Alternative Methods of Disinfection
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w a s t e w a t e r t r e a t m e n t m e t h o d i n N o r t h C a r o l i n a a n d t h e U n i t e d S t a t e s. W i t h t h e p o t e n t i a l i m p l e m e n t a t i o n o f a new r e s i d u a l c h l o r i n e t o x i c i t y s t a n d a r d a n d / o r p o s t-c h l o r i n a t i o n t o x i c i t y r e q u i r e m e n t s , many w a s t e w a t e r t r e a t m e n t p l a n t s o r an a l t e r n a t i v e d i s i n f e c t i o n m e t h o d. T h e a d v a n t a g e s , d i s a d v a n t a g e s a n d c o s t s of t h e m o s t c o m m o n l y u s e d m e t h o d (O B M) , it i s p r o b a b l y m o s t c o s t e f f e c t i v e t o a d d a c h e m i c a l d e c h l o r i n a t i o n s y s t e m. 1) e a s y o p e r a t i o n , 2) e q u i v a l e n t c h e m i c a l c o s t t o c h l o r i n e , …
منابع مشابه
A review of Common and Alternative Methods for Disinfection of Microorganisms in Water
Disinfection is the most essential and final treatment given to drinking water to render the water free from harmful pathogens. The most conventional and common form of disinfection involves the use of strong oxidants that have the potential to produce undesirable disinfection by-products (DBP). Therefore, many researchers have been trying to find alternative disinfection methods to reduce the ...
متن کاملEvaluation of alternative methods for the disinfection of toothbrushes.
The aim of this study was to evaluate alternative methods for the disinfection of toothbrushes considering that most of the previously proposed methods are expensive and cannot be easily implemented. Two-hundred toothbrushes with standardized dimensions and bristles were included in the study. The toothbrushes were divided into 20 experimental groups (n = 10), according to microorganism conside...
متن کاملMethods for Disinfection of Hands and Operation Sites.
In previous studies we compared the relative value of alternative methods for disinfecting the hands of nurses and surgeons and the skin of operation sites, but a number of relevant questions were not considered. For disinfection of the operation site alcoholic solutions of chlorhexidine (0.5%) and iodine (1%) were found to be equally effective and superior to a number of other agents (Lowbury,...
متن کاملAlternative Disinfection Methods Fact Sheet: Peracetic Acid
Disinfection is considered to be the primary mechanism for the inactivation/destruction of pathogenic organisms to prevent the spread of waterborne diseases to downstream users and the environment. It is important that wastewater be adequately treated prior to disinfection in order for any disinfectant to be effective. Table 1 lists some common microorganisms found in domestic wastewater and th...
متن کاملMicrobial Decontamination of Spices Using Cold Plasma
Most of spices are produced using traditional systems. In unsanitary conditions, spices can contain large numbers of pathogenic microbes such as bacteria, molds and yeasts. Some microorganisms are known as human pathogens, which need disinfection mechanisms that minimize their potential harms to active substances in spices. Use of contaminated spices in foods can significantly decrease the shel...
متن کاملAudit of nasendoscope disinfection practice.
INTRODUCTION Several options exist with regard to flexible pharyngo-laryngoscope sterilisation. We audited the use of disposable sheaths in our department over a six-month period. METHODS A cost-analysis was performed and the advantages and disadvantages of this system were compared with several alternative options. RESULTS We found that the overall cost of disposable sheaths averaged ł4008...
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