Dutch water chain typically covers

Dutch water chain typically covers the following steps. Firstly,
the potable water supplied to households is largely groundwater,
sourced from aquifers. This groundwater is prepared through
aeration, mineral sedimentation, sand filtration, and sometimes
softening through reducing salts. It is also de-nitrified where
nitrates from the land and water surface infiltrate aquifers. Where
river water is used, preparation usually requires activated carbon
and additional chemical treatments with ozone, or cheaper chlorine,
coagulation, sedimentation or flocculation, and sand filtration.
Natural treatment of surface water through dune infiltration into
a managed aquifer is sometimes applied.
The first stage of wastewater treatment involves the mechanical
removal of the suspended solids. Almost 90% of organic matter is
removed in the biologically activated sludge, and more than 95% of
all nitrogen is biologically removed through a nitrification–denitrification
process in the second stage. The most advanced plants
remove more than 95% of nitrates and phosphates chemically
through precipitation in the third stage of wastewater treatment.
The removed sludge is dried, digested for biogas winning and
disposed on landfills, or incinerated. The cost of preparing potable
water is between V0.15 and V0.20 per cubic metre for clean
groundwater up to V0.50 or more for surface water. The cost of
wastewater treatment per cubic metre varies from less than V0.20
for mechanical treatment up more than V1.00 for the three-stage
treatment.
The new technologies are m

結果 (中文) 1:

荷兰水链通常包括以下步骤。首先，提供给住户的食水是可以很大程度上是地下水，来自含水层。通过制备这地下水曝气、 矿物沉淀、 砂滤和有时通过减少盐软化。它也反硝化在哪里从地面和水面的硝酸盐渗透含水层。在哪里用河水，制备通常需要活性炭臭氧或更便宜的氯，额外化学治疗和混凝、 沉淀或絮凝、 砂滤。天然水处理的表面通过沙丘渗入有时应用托管的含水层。废水处理的第一阶段涉及到机械去除的悬浮固体。几乎 90%的有机物质是生物活性污泥法、 和 95%以上的中删除所有氮生物都移除通过硝化-反硝化作用在第二阶段的过程。最先进的植物删除超过 95%的硝酸盐和磷酸盐化学通过沉淀在第三阶段的废水处理。去除的污泥干燥，消化沼气赢取和对垃圾填埋场，处置或焚烧。准备饮用水成本水是 V0.15 和 V0.20 之间每立方米为清洁V0.50 或更高的表面水的地下水。成本从 V0.20 小于每立方米污水处理变化为机械治疗起来 V1.00 为三级以上治疗。新技术是 m

結果 (中文) 2:

荷兰水链通常包括以下步骤。首先，
提供给住户的饮用水主要是地下水，
从蓄水层来源。这地下水是通过准备
曝气，沉淀矿，砂滤，有时
通过减少盐软化。这也是去硝化，其中
从陆地和水面硝酸盐渗入地下蓄水层。其中，
河流水时，制备通常需要活性炭
和用臭氧附加的化学处理，或更便宜的氯，
凝结，沉淀或絮凝，砂滤。
天然的治疗地表水通过沙丘渗入
一个管理的含水层有时被施加。
第一废水处理的阶段涉及机械
除去悬浮固体。几乎90％的有机物
，在生物活性污泥除去，并且95％以上的
所有氮气通过硝化脱氮生物除去
在第二阶段的过程。最先进的植物
化学方法去除95％以上的硝酸盐和磷酸盐的
经过沉淀的废水处理的第三阶段。
在去除污泥干燥，消化沼气获奖和
设置在填埋场或焚烧。准备饮用水的成本
水是V0.15和V0.20每立方米洁净的
地下水高达V0.50或以上的地表水。的成本
为每立方米的废水处理从低于V0.20变化
为机械处理了超过V1.00为三阶段
处理。
在新的技术是米