Wastewater treatment

污水處理

Wastewater from all wet processing units must be treated in an internal or external functional wastewater treatment plant before discharged to environment. The applicable national and local legal requirements for waste water treatment - including limit values with regard to pH, temperature, TOC, BOD, COD, colour removal, residues of (chemical) pollutants and discharge routes - must be fulfilled.

所有濕加工單元的污水在向外界環(huán)境排放之前，必須先經(jīng)過一個(gè)有效運(yùn)轉(zhuǎn)的內(nèi)部或外部污水處理廠的處理。經(jīng)過處理的污水必須達(dá)到相應(yīng)國(guó)家和當(dāng)?shù)胤ㄒ?guī)的污水處理要求——包括關(guān)于 pH 值、溫度、TOD、BOD、COD、脫色、（化學(xué)）污染殘留物的限量值以及排放路徑的規(guī)定。

Wastewater discharges to the environment must not exceed 20 g COD/kg of processed textile (output). For scouring greasy wool an exceptional limit of 45 g COD/kg applies.

向外界環(huán)境排放的污水，平均每公斤加工的紡織品（產(chǎn)出）的 COD 值不得超過 20 克。對(duì)于洗滌含脂羊毛操作，允許平均每公斤紡織品產(chǎn)出的 COD 值不超過 45 克。

Treatment of wastewater from water retting of bast fibres must achieve a reduction of COD (or TOC) of at least 95% for hemp fibres and 75% for all other bast fibres.

纖維水漚產(chǎn)生的廢水經(jīng)過處理后，其 COD 值（或 TOC）必須至少降低 95%，其它各種韌皮纖維必須至少降低 75%。

Wastewater discharges to surface waters further must have a pH between 6 and 9 (unless the pH of the receiving water is outside this range) and a temperature of less than 35C° (unless the temperature of the receiving water is above this value).

此外，排入地表水的污水的 pH 值必須在 6 至 9 之間（除非受納水體的 pH 值超出了該范圍），溫度必須低于 35 C°（除非受納水體的溫度高于該溫度）。

Wastewater analyses must be performed and documented periodically at normal operating capacity.

在正常生產(chǎn)能力情況下，污水分析必須定時(shí)進(jìn)行并且需有記錄。

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