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排放量巨大 工業廢水處理市場前景廣闊發表時間(jian):2018-04-11 00:00 我國(guo)(guo)是一個(ge)干旱缺水(shui)(shui)(shui)(shui)的國(guo)(guo)家(jia)。盡(jin)管總量而言我國(guo)(guo)水(shui)(shui)(shui)(shui)資源(yuan)(yuan)較為(wei)豐富,據統計,2016年,全國(guo)(guo)水(shui)(shui)(shui)(shui)資源(yuan)(yuan)總量為(wei)32466.4億立方米,人均水(shui)(shui)(shui)(shui)資源(yuan)(yuan)量2366立方米。按照國(guo)(guo)際公(gong)認的標準,人均水(shui)(shui)(shui)(shui)資源(yuan)(yuan)低(di)于3000立方米為(wei)輕度缺水(shui)(shui)(shui)(shui)。此外,我國(guo)(guo)水(shui)(shui)(shui)(shui)資源(yuan)(yuan)分布十分不均勻。 水質情況不容樂觀 2016年(nian)(nian),水(shui)利(li)部對118個湖(hu)泊(bo)(bo)共3.1萬(wan)平方千米水(shui)面進行(xing)了水(shui)質評(ping)價(jia)。全年(nian)(nian)總(zong)體水(shui)質為(wei)Ⅰ~Ⅲ類的(de)湖(hu)泊(bo)(bo)有28個,Ⅳ~Ⅴ類湖(hu)泊(bo)(bo)69個,劣Ⅴ類湖(hu)泊(bo)(bo)21個,分別占評(ping)價(jia)湖(hu)泊(bo)(bo)總(zong)數的(de)23.7%、58.5%和17.8%。主要(yao)污(wu)染項目是總(zong)磷、化學(xue)需氧量和氨(an)氮。湖(hu)泊(bo)(bo)營(ying)養(yang)(yang)狀況評(ping)價(jia)結果顯(xian)示,中營(ying)養(yang)(yang)湖(hu)泊(bo)(bo)占21.4%;富(fu)營(ying)養(yang)(yang)湖(hu)泊(bo)(bo)占78.6%。在(zai)富(fu)營(ying)養(yang)(yang)湖(hu)泊(bo)(bo)中,輕(qing)度富(fu)營(ying)養(yang)(yang)湖(hu)泊(bo)(bo)占62.0%,中度富(fu)營(ying)養(yang)(yang)湖(hu)泊(bo)(bo)占38.0%。與2015年(nian)(nian)同比(bi)(bi),Ⅰ~Ⅲ類水(shui)質湖(hu)泊(bo)(bo)的(de)個數比(bi)(bi)例下降(jiang)0.9個百分點,富(fu)營(ying)養(yang)(yang)湖(hu)泊(bo)(bo)比(bi)(bi)例持平。 二、工業廢水排放減少但(dan)危害較(jiao)大 1、工業廢水排放巨大 近年(nian)來,隨著國家對環(huan)境(jing)保護(hu)的(de)不斷重(zhong)視,環(huan)保執(zhi)法力度(du)加強以及污(wu)水(shui)(shui)處(chu)理技(ji)術的(de)不斷成(cheng)熟(shu),我國工(gong)(gong)業廢(fei)(fei)水(shui)(shui)排放(fang)量逐年(nian)減(jian)少,工(gong)(gong)業廢(fei)(fei)水(shui)(shui)排放(fang)量從(cong)2011年(nian)的(de)230.9億噸減(jian)至2016年(nian)的(de)186.4億噸。但(dan)工(gong)(gong)業廢(fei)(fei)水(shui)(shui)排放(fang)量依然十分(fen)巨(ju)大,并且工(gong)(gong)業廢(fei)(fei)水(shui)(shui)的(de)危害(hai)進(jin)進(jin)高于生活(huo)污(wu)水(shui)(shui)。 2、工業(ye)廢(fei)水危害嚴重 盡管工(gong)業(ye)(ye)(ye)廢(fei)(fei)水(shui)排放量(liang)有所(suo)減少,但數量(liang)仍(reng)然十(shi)分龐大(da)。同時(shi),與生活污(wu)(wu)水(shui)相比(bi),工(gong)業(ye)(ye)(ye)廢(fei)(fei)水(shui)自然環境(jing)(jing)和人們生活環境(jing)(jing)產生非(fei)常(chang)(chang)嚴重的(de)危害(hai),主(zhu)要表現(xian)在(zai),工(gong)業(ye)(ye)(ye)廢(fei)(fei)水(shui)流入(ru)河流、湖泊會(hui)污(wu)(wu)染地(di)(di)(di)表水(shui)及周邊生態(tai)環境(jing)(jing),工(gong)業(ye)(ye)(ye)廢(fei)(fei)水(shui)滲入(ru)地(di)(di)(di)下(xia)會(hui)污(wu)(wu)染地(di)(di)(di)下(xia)水(shui),若(ruo)人們在(zai)生活中使(shi)用(yong)了被(bei)污(wu)(wu)染的(de)地(di)(di)(di)表水(shui)或地(di)(di)(di)下(xia)水(shui),將會(hui)危及身(shen)體(ti)健康(kang),工(gong)業(ye)(ye)(ye)廢(fei)(fei)水(shui)深(shen)入(ru)土壤(rang)會(hui)造成土壤(rang)污(wu)(wu)染,另外工(gong)業(ye)(ye)(ye)廢(fei)(fei)水(shui)中的(de)有害(hai)物(wu)質(zhi)還會(hui)在(zai)動植物(wu)體(ti)內殘留(liu),終通過食物(wu)鏈迚(迚)入(ru)人體(ti),對人們健康(kang)造成危害(hai)。因此合理處置工(gong)業(ye)(ye)(ye)廢(fei)(fei)水(shui)是非(fei)常(chang)(chang)必要的(de)。 三、中國工業廢水處(chu)理行業前景(jing)廣(guang)闊 隨著城市化、工業(ye)(ye)化進程的加速及(ji)人口的持(chi)續增長,實現人口、資源與(yu)環(huan)境的可持(chi)續發展(zhan)是未來的大(da)勢所趨,在此(ci)背景下(xia),作(zuo)為"七(qi)大(da)戰略性新(xin)興產(chan)業(ye)(ye)"之首的環(huan)保(bao)節(jie)能產(chan)業(ye)(ye)將(jiang)迎來較好的發展(zhan)機遇。 隨著我(wo)國工(gong)(gong)(gong)業(ye)化進程的發展,工(gong)(gong)(gong)業(ye)廢(fei)水排放(fang)量十分(fen)巨大(da),工(gong)(gong)(gong)業(ye)廢(fei)水治理已成為(wei)亟待解決的重大(da)問題之一,未(wei)來市(shi)場前景十分(fen)廣闊。前瞻產(chan)業(ye)研究院整理預(yu)計,到2023年,中國工(gong)(gong)(gong)業(ye)廢(fei)水處(chu)理行業(ye)市(shi)場容量有望達(da)到1162億元。在工(gong)(gong)(gong)業(ye)細分(fen)領(ling)域(yu),一些行業(ye)由(you)于工(gong)(gong)(gong)業(ye)廢(fei)水排放(fang)量大(da),污染(ran)性強(qiang),而(er)成為(wei)工(gong)(gong)(gong)業(ye)廢(fei)水處(chu)理重大(da)的市(shi)場機會(hui)。 |