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1.What are they used for? 相關用途
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Alkylphenols (APs) and alkylphenol ethoxylates (APEOs) are auxiliary chemicals used in different industries. They
1 J" X$ O# {5 }8 a0 T4 zare good emulsifiers and wetting agents and thus have been used widely in different industrial cleaning systems 1 A" \6 l( Z" q" l
such as textile and leather processing, pulp and paper manufacturing, metal working, and agriculture. They are
; C3 i6 ~8 ?' Ralso used as domestic cleaning agents and co-formulants in pesticides and biocides. 4 ^7 b3 J7 m* X! K
In particular, NP and NPEO (under the family of APs and APEOs respectively) are extensively used as detergent
. ~; _/ r% G+ _+ Dauxiliaries in scouring and bleaching process of fibres for removing the fibres impurities such as wax, seed, etc in 0 j+ C0 v7 @- K6 j% R
textile wet processing.
3 [1 _- L9 ] e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
, F( A' M% k3 i" j' `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
5 s0 c2 s8 o& z- g, C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
# ~9 z: Q; E' e# E2 f滌劑中,以及殺蟲劑和除生物劑的處方。 7 Q1 y: R- L) s: C
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
1 p0 M' p$ S, L7 Y1 b1 h9 v9 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
6 E0 N* r$ C) a" q- r5 O: a& Z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。 3 ?$ D1 m3 \' z4 X1 ^& S4 V
4 V$ |/ N, {; Y% w" G# b7 m2.What are the problems? 相關問題 & t+ T4 F) p6 V) S2 ~/ I7 b7 \
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Since APs and APEOs are non-biodegradable, they cause severe environmental problems when they are released ; j; I2 J9 [* z0 o* y- B
to the environment as discharges or emissions. They are potent endocrine disrupters to the aquatic environment
# F3 i% V8 B' r- b: X' Aand can cause feminisation in male fish. As a result, the fertility or reproductive capability of the fish is reduced 4 w0 V& D+ ~# ]- A! @ G
and populations are in danger of shrinking. 5 j0 |. M! h6 {" P# _% g$ s* w
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
6 [( n/ ]7 C& k/ R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 1 D* m! _. y, r, U9 Z; F( V
魚的生產力或繁殖率下降,從而使魚的種群有減少的危機。
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d& D) g$ W, z6 _3 Q3.What are the measures? 相關措施 $ A. t. _; P, b5 j, K. Y! Z
. {. X/ l; a4 A9 }5 Y% U4 QWithin the Directive 2003/53/EC published on 18 June 2003, it was added to the Directive 76/769/EEC
7 M5 Y U2 {! L" h: L9 Z4 orestrictions on the marketing and use of the nonylphenol (NP) and nonylphenol ethoxylate (NPEOs) summarized as
A+ h# _$ K; O: n. Q- @/ k; Pbelow:
) R1 U0 L- O$ c/ k4 |3 t" v0 fBy 17 January 2005, except for pesticides or biocides which have been granted by existing national
, a/ n1 n9 k6 a' i9 s- uauthorizations the use of NPEOs as a co-formulant, nonylphenol & nonylphenol ethoxylate may not be used in
, ]8 a d; N: _3 L9 Aconcentrations equal or higher than 0.1% (equivalent to 1,000ppm) by mass for the following purposes: N4 D- I; X" Q* ~: `, [( {; p2 l4 t
• industrial and institutional cleaning except those systems where the washing liquid is recycled or incinerated; , i. t' @# ]8 Z& i$ E+ `/ z# v
• domestic cleaning; 7 e8 w5 B9 E5 z8 N/ J
• textiles and leather processing except those without release into waste water or those with special treatments 8 \' J- j H% q9 [! t
to remove the organic fraction completely prior to the release;
: S+ c! Q8 z4 d, B• emulsifier in agricultural teat dips; P* O! e l) v6 Z& O
• metal working except those systems where the washing liquid isrecycled or incinerated;
5 d1 A! y4 Z5 Z' u• manufacturing of pulp and paper;
5 m0 |9 g: E2 l' q2 v• cosmetic products; : d1 Y0 W* f. ~: {2 r! Z3 l4 ]( w
• other personal care products except spermicides; . e" y1 w* k" I
• co-formulants in pesticides and biocides.
) j" ^: H5 P9 r6 i% P2003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
' L. z# U- T2 c! k(NP)和壬基酚乙氧基化物(NPEOs),概述如下: 9 k- \8 P) ^: @' M3 V2 P2 ?
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 $ \ T2 c6 l2 K% V9 J7 s6 t, H2 _0 f8 y
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 ): % E. [2 C3 v! Y8 ~; ?
• 工業和公共清潔,備有洗滌液再循環或焚化的系統除外; * U R' p" w+ z6 e2 C. E2 H5 y
• 家庭清潔;
. i& h+ I$ T( g" @5 ]+ F5 d3 _• 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; : a% z0 G( U% t$ H) p+ ^
• 農用乳頭消毒液的乳化劑; 6 ^( Z; t3 X K, O2 t. n5 K0 }
• 金工, 備有洗滌液再循環或焚化的系統除外;
, t* `: {! s, u% u0 e• 紙漿和造紙加工; $ Q Q) |5 G% y7 X0 Z+ C3 n4 p
• 化妝品;
% ~* ~+ m3 `# z8 V/ Q• 其他個人護理用品,殺精劑除外; 7 o Y& T3 ?5 o$ o+ E
• 殺蟲劑和除生物劑的處方。 + I. C9 B3 g$ D* m: }
来源:STC 李昊鹏 |
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