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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
* i/ f& h4 o2 [: p# Kare good emulsifiers and wetting agents and thus have been used widely in different industrial cleaning systems
6 m3 n3 H$ ^4 |( V% r' _such as textile and leather processing, pulp and paper manufacturing, metal working, and agriculture. They are
7 q: O' M; e- b$ j% {also used as domestic cleaning agents and co-formulants in pesticides and biocides.
7 k0 d# J c$ l, K& |3 s: W) j. ]In particular, NP and NPEO (under the family of APs and APEOs respectively) are extensively used as detergent
6 A5 k$ D3 I2 z$ n$ vauxiliaries in scouring and bleaching process of fibres for removing the fibres impurities such as wax, seed, etc in
5 r( @9 z7 K! Q8 \& p4 [textile wet processing. " p# X" d0 X7 i: C( f8 O
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
1 I1 w# d o, C% Q& Z# ^3 h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 6 ~! a+ j# u9 V3 ?8 E% ^$ J
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 Q( D* \8 _6 m7 W9 ]7 Y* O
滌劑中,以及殺蟲劑和除生物劑的處方。
0 a0 _" }$ e, T4 N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
3 d# t% O2 C2 x+ v& v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 5 a8 C, s) `5 W6 z; Y
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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2.What are the problems? 相關問題
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4 l& O: U" r5 h8 i. s6 e1 vSince APs and APEOs are non-biodegradable, they cause severe environmental problems when they are released $ i k" R1 f- W2 k {7 Y: ~8 ?, M
to the environment as discharges or emissions. They are potent endocrine disrupters to the aquatic environment
% p3 g! z5 W$ [% ~. ~and can cause feminisation in male fish. As a result, the fertility or reproductive capability of the fish is reduced
& G/ m. v q8 \! I' r8 o" C- qand populations are in danger of shrinking. : L% y6 ]; N1 [7 X
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 * E f3 ^! T/ @( ^, B
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
: s- R6 j) h3 U魚的生產力或繁殖率下降,從而使魚的種群有減少的危機。 3 v1 j9 q9 B3 y. @/ p* M8 H* M
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3.What are the measures? 相關措施 # V7 e! [: K0 a6 {6 z. x; r
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Within the Directive 2003/53/EC published on 18 June 2003, it was added to the Directive 76/769/EEC
2 B4 V7 ~: W- U, J( N1 zrestrictions on the marketing and use of the nonylphenol (NP) and nonylphenol ethoxylate (NPEOs) summarized as i- y" @% j2 p+ a- p M
below:
^6 W, p6 v' d( D: wBy 17 January 2005, except for pesticides or biocides which have been granted by existing national 1 S* c4 \& W O- _' S# x' E$ f7 l
authorizations the use of NPEOs as a co-formulant, nonylphenol & nonylphenol ethoxylate may not be used in
: B, k t% }. f& _/ g5 Uconcentrations equal or higher than 0.1% (equivalent to 1,000ppm) by mass for the following purposes:
3 {4 t! L: o6 e) ~$ A• industrial and institutional cleaning except those systems where the washing liquid is recycled or incinerated; $ L% F+ q" r7 L b. G. Z
• domestic cleaning; 6 m/ J! W; I% p- v% ` M
• textiles and leather processing except those without release into waste water or those with special treatments . f/ _( ]! j/ I7 _* w
to remove the organic fraction completely prior to the release;
$ A. v9 i8 Y. l M# C• emulsifier in agricultural teat dips; / I$ \: s' B6 R/ T) _' A \! O
• metal working except those systems where the washing liquid isrecycled or incinerated;
& O2 g0 [2 |7 h• manufacturing of pulp and paper;
; {; Q! T* r9 }8 U8 j• cosmetic products; ! C$ c% k4 v$ v& Y
• other personal care products except spermicides; : H+ w* G B. g# J3 b
• co-formulants in pesticides and biocides. ( X# c. M/ o1 ^' q% R; [
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
E a( l' X% p2 ^+ t(NP)和壬基酚乙氧基化物(NPEOs),概述如下: ; @$ p6 P3 X" o `3 p6 E
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
3 i" e& r. M' r1 W# t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 ): 4 ]! n& @. d6 D) }
• 工業和公共清潔,備有洗滌液再循環或焚化的系統除外;
* }& z [6 q3 \& {+ J2 F' e• 家庭清潔; 6 ^( y1 ?- G( b
• 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; + n$ o% m4 k! C
• 農用乳頭消毒液的乳化劑; ! _. F& b9 n8 ]: \0 c% l! Q
• 金工, 備有洗滌液再循環或焚化的系統除外;
( d* Z( |, W1 o+ ?# H( r( P2 Y• 紙漿和造紙加工; " L/ ~2 T8 _" E5 X$ @
• 化妝品; * Y8 m& j. X! U) d7 ?
• 其他個人護理用品,殺精劑除外;
6 m0 O5 d( e! k) i$ b• 殺蟲劑和除生物劑的處方。
' X$ \, y5 Z8 t/ A |, P0 u来源:STC 李昊鹏 |
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