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Filter membrane (raw water) water supply end treatment technology
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Product Information
- heat treatment
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water treatment
- Arsenic remover
- Desulfurizer
- Deaerator
- Water softener (except calcium and magnesium)
- Carbon filter (removal of chloramines)
- Sand filter (remove impurities)
- Iron remover (removal of iron and manganese)
- RO water purifier
- Pre-backwash filter
- UV ultraviolet sterilizer
- Ion exchange resin
- reverse osmosis membrane tube
- stainless steel filter
- Various tanks for water treatment
- Various application filter media
- 美國 Clack Clark control valve
- 美國 Fleck Control Valve
- 美國 Pentair Control Valve
- 美國 Autotrol Control Valve
- Runxin Control Valve
- Injection treatment
- Technology Development Department
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brand
- Demo brand
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- Denmark DANFOSS
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- France SUNTEC
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- Japanese NOP
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- BRAHMA, Italy
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Filter membrane (raw water) water supply end treatment technology
Technical explanation
逆滲透濾膜是否能去除鉛(Lead)和砷(Arsenic)?拒絕率是多少?
對於這些重金屬的拒絕率,沒有廠商有製作拒絕率清單,但是我們可以為您提供一些指引。但是,我們還是建議您在現場獨特的條件和現場搭配之離子/反離子預處理設備下運行測驗。以我們的經驗,逆滲透濾膜對鉛的拒絕率程度相當高,我們有測驗過高達 >99%。砷的拒絕率取決於其氧化狀態,砷酸鹼度 +3 在中性溶液中時的拒絕率不是很好,大概 70% 到 90%,但砷可以被完全拒絕在pH 接近或超過 pKa 9.2。我們現場的觀察是砷酸(pH+5)在中性溶液中就可以被很好地拒绝掉。
地拒绝。
如何將矽酸鹽(Silica)從水中去除?
沒有一個簡單的方法。傳統使用的方法是用石灰蘇打做矽酸鹽軟化,但這種技術的價格非常昂貴。所以,逆滲透系統的設計不會試圖在濾膜之前去除二氧化矽。相反的,會在設計回收百分比和用其他工作條件做調整以防止二氧化矽過於飽和和沉澱於濾膜上。
如何將氯胺酮(Choloramines)從水中去除?
去除氯胺的唯一兩種選擇是:(1)氯化 (2)催化活性碳床。
有什麼水處理技術可以維持供水的TDS,但去除其他雙價離子,如Ca, Mg, SO4的含量?
我們的經驗是,最適合的技術做法是納米過濾膜(Nano Membranes),這種技術可以將少量的TDS(約50%)去除,但去除掉大多數的Ca,Mg,SO4(99%)。