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中水停留時間對馬桶水箱止水皮墊閉合效果影響之研究 = A Study o...

國立高雄大學都市發展與建築研究所

中水停留時間對馬桶水箱止水皮墊閉合效果影響之研究 = A Study of the Tightness of Rubber Flapper Valve Regarding the Effect of Retention Time of Grey Water in Toilet Water Tank

紀錄類型:	書目-語言資料,印刷品 : 單行本
並列題名:	A Study of the Tightness of Rubber Flapper Valve Regarding the Effect of Retention Time of Grey Water in Toilet Water Tank
作者:	許旭欽,
其他團體作者:	國立高雄大學
出版地:	[高雄市]
出版者:	撰者;
出版年:	2009[民98]
面頁冊數:	50面圖，表 : 30公分;
標題:	中水再利用
標題:	Biofilm
電子資源:	http://handle.ncl.edu.tw/11296/ndltd/83703581329651731053
摘要註:	近年來基於校園水資源永續經營之環保理念，在國內外有許多學校都是以中水的再利用做為廁所沖洗用水。在寒、暑假期間由於學生不在校，絕大部分的學生宿舍或教室都會被閒置，在這種情況下，其廁所馬桶水箱內的中水是處於長時間停滯狀態，因而會讓活存之微生物附著於水箱管壁或槽壁上，形成外觀難看的生物膜。本研究著重於中水在馬桶水箱停留時間的水質變化及因生物膜生成而造成馬桶水箱止水皮墊閉合效果影響之探討，並以國立高雄大學校園內現有之中水為實驗用水源。本研究之中水在水箱中停留存放時間為二個月時間，藉以模擬觀察和研究在學校暑假期間的馬桶水箱內中水的水質及生物膜持續生成的變化情形。實驗成果歸納如下：一、中水停留二個月後，在水箱槽壁及止水皮墊上產生明顯的污垢及生物膜，並影響水箱內止水皮墊的閉合效果。二、在中水停留二個月期間，水中的總有機碳(TOC)值快速增加，pH值與導電度也是在緩慢的增加，但水中鹽度是持續不變。由於在實驗期間水溫的降低導致中水飽和溶氧量的增加，但水中溶氧量則是隨生物膜的生成而持續的降低。本研究提出的實驗數據，有助於瞭解中水再利用於馬桶水箱沖廁時對馬桶水箱止水皮墊之影響。也提供校舍管理人員有關於以中水沖洗馬桶時對中水再利用系統的維護管理建議。 Recently on the basis of sustainable management of water resources on campus, a lot of schools whether in Taiwan or not adopt an idea of reusing greywater to flush the toilet. Due to students are absent during winter or summer vacations, most dormitories and classrooms are left unused. Under such a circumstance, the greywater inside a toilet tank will become a stagnant water and let microorganisms attach on the interior or parts of water tanks, and finally form biofilms with an ugly appearance. This study emphasized the water quality variations of greywater during the retention time in toilet tanks, and the impact of biofilms on the tightners of rubber flapper valve of a toilet tank. The present greywater of National University of Kaohsiung was used as the experimental water. On this study the greywater was placed in the water tanks for two months, in order to simulate case of summer vacation. The experimental results are summarized as follows:1. After greywater staying on toilet water tanks for two months, the noticeable dirty spots and biofilms appeared on the rubber flapper valves and the interior of water tanks. These organic contaminants also actually influenced the tight effectiveness of rubber flapper valves within the water tanks.2. During the two months of greywater retention time, the amount of total organic carbon (TOC) was increased very fast, the quantity of pH and the electrical conductivity were increased slowly, but the salinity of greywater kept constant. Since the water temperature was lower than that of the original greywater during this experiment, such a situation caused the increase of the percent saturation of dissolved oxygen in greywater, but the dissolved oxygen level of water still kept decreasing with the proliferation of biofilms instead.The experimental data provided by this study will help understand the influence of greywater on the rubber flapper valves of toilet tanks when greywater is for use in flushing toilets. This paper also offered some suggestions to the mainstenance man of campus buildings, regarding the use of greywater recycling and irrigation systems.

中水停留時間對馬桶水箱止水皮墊閉合效果影響之研究 = A Study of the Tightness of Rubber Flapper Valve Regarding the Effect of Retention Time of Grey Water in Toilet Water Tank
許, 旭欽

中水停留時間對馬桶水箱止水皮墊閉合效果影響之研究 = A Study of the Tightness of Rubber Flapper Valve Regarding the Effect of Retention Time of Grey Water in Toilet Water Tank / 許旭欽撰 - [高雄市] : 撰者, 2009[民98]. - 50面 ; 圖，表 ; 30公分.
參考書目：面43-44.
中水再利用Biofilm

中水停留時間對馬桶水箱止水皮墊閉合效果影響之研究 = A Study of the Tightness of Rubber Flapper Valve Regarding the Effect of Retention Time of Grey Water in Toilet Water Tank
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