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المحاضرة 2-4

الكلية كلية الهندسة     القسم  الهندسة البيئية     المرحلة 4
أستاذ المادة محمد عبد مسلم عبد الله الطفيلي       04/07/2018 08:26:50




TABLE A-6
ODOROUS COMPOUNDS ASSOCIATED WITH UNTREATED WASTEWATER
















TABLE A-7
OXYGEN DEMAND AND ORGANIC CARBON PARAMETERS













TABLE A-8
DEFINITIONS FOR SOLIDS FOUND IN WASTEWATER
Test Describtion
Total solids (TS) The residue remaining after a wastewater sample has been evaporated and dried at a specified temperature (103 to 105°C)
Total volatile solids (TVS) Those solids that can be volatilized and burned off when the TS are ignited (500 ±50°C)
Total fixed solids (TFS) The residue that remains after TS are ignited
(500 ±50°C)
Total suspended solids (TSS)
Portion of the TS retained on a filter with a specified pore size, measured after being dried at a specified temperature (105°C). The filter used most commonly for the determination of TSS is the Whatman glass fiber filter, which has o nominal
pore size of about 1.58 µm
Volatile suspended solids (VSS) Those solids that con be volatilized and burned off when the TSS are ignited (500 ±50°C)

Fixed suspended solids I FSS) The residue that remains after TSS ore ignited (500 ±50°C)

Total dissolved solids (TDS)
(TS - TSS)
Those solids that pass through the filter, and ore then evaporated and dried at specified temperature. It should be noted that what is measured as TDS is comprised of colloidal and dissolved solids. Colloids are typically in the size range from 0.001 to 1 µm
Total volatile dissolved solids (VDS) Those solids that con be volatilized and burned off when the IDS ore ignited (500 ±50°C)
Fixed dissolved solids (FDS) The residue that remains after TDS ore ignited (500 ±50°C)
Settleable solids
Suspended solids, expressed as milliliters per liter, that will settle out of suspens1on w1thm a specified period of time


المادة المعروضة اعلاه هي مدخل الى المحاضرة المرفوعة بواسطة استاذ(ة) المادة . وقد تبدو لك غير متكاملة . حيث يضع استاذ المادة في بعض الاحيان فقط الجزء الاول من المحاضرة من اجل الاطلاع على ما ستقوم بتحميله لاحقا . في نظام التعليم الالكتروني نوفر هذه الخدمة لكي نبقيك على اطلاع حول محتوى الملف الذي ستقوم بتحميله .