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1.What are they used for? 相關用途
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5 V5 a+ N6 H. |; N% u0 hAlkylphenols (APs) and alkylphenol ethoxylates (APEOs) are auxiliary chemicals used in different industries. They 8 ^1 G3 T" k+ Z1 z7 S
are good emulsifiers and wetting agents and thus have been used widely in different industrial cleaning systems : o; y1 d& A, v; X+ H+ [# g, D7 S; }$ e
such as textile and leather processing, pulp and paper manufacturing, metal working, and agriculture. They are 1 R# i' o4 j* X
also used as domestic cleaning agents and co-formulants in pesticides and biocides.
5 Z# Q8 \8 e$ t) uIn particular, NP and NPEO (under the family of APs and APEOs respectively) are extensively used as detergent , q6 q- N: {" U* m; ~ j
auxiliaries in scouring and bleaching process of fibres for removing the fibres impurities such as wax, seed, etc in ( r8 c+ _- T3 @' d0 M
textile wet processing. . U/ I$ v* @" ~; y
烷基酚(APs)和烷基酚乙氧基化物(APEOs)在不同工業中常用作輔助化學 2 X% R, W. B& [+ X- D8 Q
劑。它們是良好的乳化劑和潤濕劑,因此它們被廣泛地用於不同的工業洗滌過程 / f$ ^0 ?5 v% y% j0 j/ I* l6 U
中,如紡織和皮革加工、紙漿和造紙加工、金工和農業等。它們亦會用於家庭洗
7 V$ i6 z0 _# U$ c% R滌劑中,以及殺蟲劑和除生物劑的處方。 9 E- y- J3 l( H1 t* w: {$ x4 R# w
在紡織品的濕處理過程中,壬基酚(NP)和壬基酚乙氧基化物(NPEOs)(分別
" D' G0 s6 R% W7 ^) f屬於烷基酚(APs)族和烷基酚乙氧基化物(APEOs)族),主要被用作洗滌劑 ) F5 `9 ]0 Z: \* u0 D
的助劑,在纖維的清洗及漂白過程中,用以去除如蠟、籽屑等雜物。
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! s5 u* B. U# ^; I3 F2 K8 m7 x+ P2.What are the problems? 相關問題
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0 w( [: r) j. Q/ i2 i; a; sSince APs and APEOs are non-biodegradable, they cause severe environmental problems when they are released 5 g0 x: A3 Q+ |9 u6 s, m
to the environment as discharges or emissions. They are potent endocrine disrupters to the aquatic environment
# k2 t6 A% m, W) L) Xand can cause feminisation in male fish. As a result, the fertility or reproductive capability of the fish is reduced & a" |" z3 |0 p/ I: ~- E+ g! I& x
and populations are in danger of shrinking.
* |) i' y: e$ {) k9 M/ o由於烷基酚(APs)和烷基酚乙氧基化物(APEOs)是不能被生物降解的,因此,當它們被排放或釋放到環境
9 n& L; }! g& z, ^2 O( ]中時,便會引發嚴重的環境問題。對水質生態來說,他們是烈性的內分泌破壞者,能導致雄魚雌性化。結果是
/ E% g6 q+ R! U- e魚的生產力或繁殖率下降,從而使魚的種群有減少的危機。 5 N+ V8 m4 l4 x/ j- F- |/ p9 g2 |
6 h$ U; e& W# a8 Y' j5 a/ K3.What are the measures? 相關措施
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Within the Directive 2003/53/EC published on 18 June 2003, it was added to the Directive 76/769/EEC ' K" L0 Y" V0 l; `$ \1 }3 x4 N1 M
restrictions on the marketing and use of the nonylphenol (NP) and nonylphenol ethoxylate (NPEOs) summarized as
/ ~+ X9 U; J3 I* ?+ y& F, t& r& qbelow:
* S; J( e/ C# XBy 17 January 2005, except for pesticides or biocides which have been granted by existing national
8 } _2 T; X# h6 nauthorizations the use of NPEOs as a co-formulant, nonylphenol & nonylphenol ethoxylate may not be used in # U7 r' g* k+ L* |1 a. c
concentrations equal or higher than 0.1% (equivalent to 1,000ppm) by mass for the following purposes: 7 f# \- R- B5 j3 D5 R8 j
• industrial and institutional cleaning except those systems where the washing liquid is recycled or incinerated; 6 u1 \# M/ O3 Y1 \% W0 O6 W
• domestic cleaning;
+ i1 O' R6 z4 y% }& o• textiles and leather processing except those without release into waste water or those with special treatments 5 P( X6 }! T5 A- F
to remove the organic fraction completely prior to the release; 2 L" j$ l5 G( [: s$ U
• emulsifier in agricultural teat dips; ) N9 p9 f- e5 P& E' c: O; a. U$ ]
• metal working except those systems where the washing liquid isrecycled or incinerated; ) L$ Y+ X( S) {
• manufacturing of pulp and paper;
, @" N% M/ B; ~$ z) P1 ^• cosmetic products;
& q! p) \: j3 R• other personal care products except spermicides; - N* T+ `- l8 g
• co-formulants in pesticides and biocides. * \' a* f# H# S+ r4 [
2003年6月18日發佈的2003/53/EC指令已經加進76/769/EEC指令中,該指令限制銷售和使用壬基酚
z1 d6 v: E7 U& q. ~$ w(NP)和壬基酚乙氧基化物(NPEOs),概述如下:
& S% y" W1 K/ F0 E3 Y# [$ }- Y從2005 年1 月17 日起,除了已被國家授權准予使用NPEOs 作為處方的殺蟲劑和除生物劑外,用於下列目的壬
; z& B* W3 \: |' Q基酚(NP )和壬基酚乙氧基化物(NPEOs )的質量比濃度不可等於或高於0.1% (相當於1,000ppm ):
0 i W5 \2 k: G7 |• 工業和公共清潔,備有洗滌液再循環或焚化的系統除外;
8 ?! n7 G& q8 J# u• 家庭清潔;
7 C7 k) {0 S' e9 X• 紡織品和皮革加工,不排放到廢水或在排放前經過特殊處理而完全除去了有機物的除外; 6 y6 f% d* |1 d) }" D' d
• 農用乳頭消毒液的乳化劑; 9 g# ~2 a; ?% p) v. }
• 金工, 備有洗滌液再循環或焚化的系統除外; & Q% \+ S, |( \- n+ ?! i1 ~ v0 r
• 紙漿和造紙加工;
3 N: r, A, D+ w2 d/ H ^• 化妝品; 4 k8 z9 w1 d* }: |0 |8 f
• 其他個人護理用品,殺精劑除外; 2 J: k( @5 u6 u7 c8 H: H" ^. _
• 殺蟲劑和除生物劑的處方。 7 _0 \& D f1 Z: C4 `
来源:STC 李昊鹏 |
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