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1.What are they used for? 相關用途
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* v9 n5 ]9 [, R; R. |0 p' VAlkylphenols (APs) and alkylphenol ethoxylates (APEOs) are auxiliary chemicals used in different industries. They
- R5 p* [( y0 O/ u8 _are good emulsifiers and wetting agents and thus have been used widely in different industrial cleaning systems ! p( s0 s, \8 w8 h1 p5 }. Z
such as textile and leather processing, pulp and paper manufacturing, metal working, and agriculture. They are
* S) ]0 W3 n) @& c7 m8 J! Jalso used as domestic cleaning agents and co-formulants in pesticides and biocides. 0 N# Q) u) U! {0 h* C6 B
In particular, NP and NPEO (under the family of APs and APEOs respectively) are extensively used as detergent $ C% ^! X$ ]2 n' }$ @5 `
auxiliaries in scouring and bleaching process of fibres for removing the fibres impurities such as wax, seed, etc in
. m: B; U s1 p4 Ytextile wet processing. ( Y9 V! Z1 r9 q4 [* v
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
9 n, y, o% o8 Q# f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 , V, o8 ^) a; _& W! Q2 S8 y# w
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 % X \' v& f( ]
滌劑中,以及殺蟲劑和除生物劑的處方。
+ ?5 [% N) v4 h9 s \, v n; A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 7 m# P4 n" w5 n" M) b! x
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
) c3 O5 w( @: a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。 & O J1 f. k0 ?& ~. i0 x; F; b
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2.What are the problems? 相關問題 5 {/ N/ @: U# y: x! A$ x
3 I+ O# R) I! v/ l3 n2 VSince APs and APEOs are non-biodegradable, they cause severe environmental problems when they are released
% E$ Q( ~$ {3 M7 l1 U5 a( F- fto the environment as discharges or emissions. They are potent endocrine disrupters to the aquatic environment 1 v; q) x- |: e- T( \. d+ N
and can cause feminisation in male fish. As a result, the fertility or reproductive capability of the fish is reduced
2 a4 ^# X9 `: R8 U/ ]! Uand populations are in danger of shrinking.
, m# T; ~( \6 C& q2 P4 K% Z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
: W- ]3 ~& _! p1 |* ?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
9 y% T8 U8 t2 |4 Y7 a$ E' A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 k T% B/ Q& _; D5 |# B M
4 v8 o" G) z2 A9 n( N' `3.What are the measures? 相關措施
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: i! F4 m. a' B" q* b' v6 H4 |Within the Directive 2003/53/EC published on 18 June 2003, it was added to the Directive 76/769/EEC
0 i7 J7 L. Y+ Y8 {! g; Prestrictions on the marketing and use of the nonylphenol (NP) and nonylphenol ethoxylate (NPEOs) summarized as
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By 17 January 2005, except for pesticides or biocides which have been granted by existing national 2 ]3 I; v# M2 I# x" T
authorizations the use of NPEOs as a co-formulant, nonylphenol & nonylphenol ethoxylate may not be used in
" ]4 T) }7 W% {- p% v4 }. u6 ?concentrations equal or higher than 0.1% (equivalent to 1,000ppm) by mass for the following purposes:
. V% H" x5 y, @! [• industrial and institutional cleaning except those systems where the washing liquid is recycled or incinerated; 1 T7 e. U" X* _
• domestic cleaning; 8 Y* v" p" l3 z
• textiles and leather processing except those without release into waste water or those with special treatments " a. P) F0 n6 ^& _, b
to remove the organic fraction completely prior to the release; # D/ [; U9 E" d% f: N
• emulsifier in agricultural teat dips; + K9 E2 A1 L$ A* ?
• metal working except those systems where the washing liquid isrecycled or incinerated; 8 z: t0 M q& o, s4 O7 F
• manufacturing of pulp and paper; 9 c; P: T7 b O( V0 a4 B
• cosmetic products; / Y; ]* u& [ s8 [; |2 S8 [
• other personal care products except spermicides; 8 ^4 e- d, J) r$ I0 E& m# E
• co-formulants in pesticides and biocides. 3 n% o( M5 }7 c" w9 v, A
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 ; W( M' B# k9 B _+ B. }9 ^
(NP)和壬基酚乙氧基化物(NPEOs),概述如下: 4 K+ B% x# K/ P
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
- d% _* Y: |' [+ i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 ):
5 J6 ]* b* O7 x) F8 a% u1 G5 m- @• 工業和公共清潔,備有洗滌液再循環或焚化的系統除外;
7 V$ a3 D6 k( ]! P6 ^0 |' k8 j• 家庭清潔; ! ~' k: p8 U, r9 J ~0 Q
• 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; ' s0 w3 I7 J7 I# O% [* y0 Z
• 農用乳頭消毒液的乳化劑;
) F3 d- x8 m7 {) k- s- d• 金工, 備有洗滌液再循環或焚化的系統除外;
1 N8 J" h6 n$ {0 V- p• 紙漿和造紙加工;
; ~' V% ^8 j. s1 O+ K! j• 化妝品;
r- y: _8 H* X2 i" c1 y3 n$ M& b! [2 K• 其他個人護理用品,殺精劑除外; / y$ U8 h6 t6 L3 p# w6 h
• 殺蟲劑和除生物劑的處方。 % D1 F) ]* Z- A* T
来源:STC 李昊鹏 |
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