Mfiri bɛn na wɔde sɔ nsu a wɔnom hwɛ?

Wɔde nsu a wɔnom ho nhwehwɛmubea mfiri di dwuma titiriw de sɔ nsu a wɔnom no su hwɛ. Wobetumi akyekyɛ tap nsuo afiri a wɔde yɛ nhwehwɛmu mu sɛdeɛ nsuo pa ho nsusuiɛ ahodoɔ a wɔasɔ ahwɛ no teɛ, a nea ɛka ho ne mmoawa nketenkete ho nsɛnkyerɛnneɛ, awuduru ho nsɛnkyerɛnneɛ, nkateɛ mu nneɛma ne nnuru a wɔde kyerɛ nneɛma nyinaa, radioactivity nsɛnkyerɛnneɛ, nnuru a wɔde kum mmoawa ho nsɛnkyerɛnneɛ ne ahwehwɛdeɛ.

Sɛnea ɔman no gyinapɛn GB 5749-2022 Hygienic Standard for Drinking Water no mu ahwehwɛdeɛ ne nhyehyɛeɛ a ɛfa ho kyerɛ no, nsuo a wɔnom ho nsɛnkyerɛnneɛ 97 na ɛwɔ hɔ, a nsuo pa ho nsɛnkyerɛnneɛ 39 a wɔtaa de di dwuma, nnuru a wɔde kum mmoawa 4 a wɔtaa de kyerɛ, ne nsuo pa ntrɛmu ho nsɛnkyerɛnneɛ 54 ka ho. Ɛnyɛ nea mfaso wɔ so sɛ wɔbɛyɛ sɔhwɛ ahorow no nyinaa, na ɛsɛ sɛ parameters binom de wɔn ho to adwumayɛfo so Nsuo Pa Ho Sɔhwɛing nnwinnade a wɔde yɛ adwuma. Enti nea ehia ara ne sɛ yɛpaw nsu a wɔtaa de di dwuma no bi: chlorine a aka, nneɛma a ɛyɛ den a wɔapete nyinaa, nnuru a wɔde kum mmoawa a aka, ne PH dodow.

(1) Chlorine a aka (Chlorine anohyeto a aka wɔ Nsu a Wɔnom Ahotew Standard GB5749-2006 mu: bere a ɛne nsu di nkitaho ≥30min, adwumayɛbea nsu anohyeto 4mg/L; Nsu a wɔtow gu ≥0.3mg/L; Nsu a wɔde ma wɔ paipu ntam nkitahodi awiei ≥0.05mg/L;)

(2) Nsuo ho nsɛnkyerɛnneɛ a ɛkyerɛ nkateɛ, te sɛ chroma, turbidity, visibility, hua ne dɛ (turbidity anohyeto wɔ Sanitary Standard for Drinking Water GB5749-2006:1NTU).

(3) Electrical conductivity (nneɛma a ɛyɛ den a wɔapete nyinaa, TDSolids) .

Nsuo mu anyinam ahoɔden a ɛkɔ no yɛ nea ɛne nsuo a ɛko tia no di nsɛ. Wɔtaa de kyerɛ sɛnea nsu mu tew. Ɔman gyinapɛn GB5749-2006 "Sanitary Standard for Drinking Water" wɔ ahwehwɛdeɛ kakraa bi wɔ nsuo a wɔnom a ɛwɔ tap mu no nyinaa ho: nneɛma a ɛyɛ den a wɔapete nyinaa ≤1000 mg/L, a ɛda adi sɛ ɛsono no dodo wɔ amanaman ntam gyinapɛn no ho. Bere a nnwuma renya nkɔso no, efĩ ahorow a ɛwɔ nsu mu ne dodow kɔ soro no, ebia bo a ɛsom no nnu nnipa anom gyinapɛn ho dedaw. Sɛ TDS bo boro 200 a, ɛyɛ mfiridwuma mu nsu gyinapɛn, na nea ɛboro 300 yɛ mfiridwuma mu nsu a ɛho agu fĩ. Dɛn ne TDS bo a ɛwɔ nsu biara mu? TDS boɔ a ɛwɔ tap nsuo mu no yɛ soronko wɔ mmeaeɛ ahodoɔ, na ɛkɔ soro wɔ atifi fam mpɔtam. TDS boɔ a ɛwɔ nsuo a ɛwɔ nsuo adwumayɛbea nyinaa mu no bɛyɛ 180-260. Sɛ ɛyɛ abura a emu dɔ a ɛwɔ asase ase a, ɛboro 300. Mmeae bi wɔ mmeae a wɔyɛ mfiridwuma, na ebia asase ase nsu no bɛkɔ soro bere a wɔagu ho fĩ akyi. General reverse osmosis (RO) mfiridwuma a wɔde sa nsuo a ɛyɛ daa wɔ 50 mu, a ɛfata ma nnipa anom.

(4) pH boɔ: "Nsuo a wɔnom akwahosan gyinapɛn" kyerɛ sɛ pH boɔ a ɛwɔ tap nsuo mu no yɛ 6.5~8.5 ntam, acidic anaa alkaline nsuo nyɛ papa mma onipa nipadua, enti pH boɔ a wɔbɛhunu nso ho hia paa.