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1.What are they used for? 相關用途 5 ?* S* z+ B" L1 U
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Alkylphenols (APs) and alkylphenol ethoxylates (APEOs) are auxiliary chemicals used in different industries. They
# v( a+ _6 Q3 v' i: G, r: ^are good emulsifiers and wetting agents and thus have been used widely in different industrial cleaning systems
4 W( ?$ v `9 I0 ~! usuch as textile and leather processing, pulp and paper manufacturing, metal working, and agriculture. They are
9 Y9 ?9 |, y z1 H+ G+ T0 l+ n, {also used as domestic cleaning agents and co-formulants in pesticides and biocides.
; R/ U( Y) S& tIn particular, NP and NPEO (under the family of APs and APEOs respectively) are extensively used as detergent
' M. k# A' P7 R* N8 O" H6 Jauxiliaries in scouring and bleaching process of fibres for removing the fibres impurities such as wax, seed, etc in * d' m* K$ G0 B1 ~- N
textile wet processing. ; g0 A7 }* L' u( G* p
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 - P8 S7 q* q5 P
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
7 g: F( }6 |3 {* u6 Q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
" \6 x5 k1 f3 u% y: t7 O, P滌劑中,以及殺蟲劑和除生物劑的處方。
9 \' j9 F4 M4 m" R8 z/ U `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
$ _* Z1 g& p$ h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
3 V1 ^3 p3 \1 U% o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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; M3 C& S& u2 b( d# V1 X2.What are the problems? 相關問題
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- R: B- ~: U! W3 r/ i# r$ GSince APs and APEOs are non-biodegradable, they cause severe environmental problems when they are released
. K* s9 O/ e J8 [( V, d8 ^to the environment as discharges or emissions. They are potent endocrine disrupters to the aquatic environment , I0 Z- D8 u! m/ f; Z( h/ |
and can cause feminisation in male fish. As a result, the fertility or reproductive capability of the fish is reduced 3 G$ }& `2 l0 F
and populations are in danger of shrinking.
6 L. ?$ W- a* f2 q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
: v U$ n# O# U- ]; w8 p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 ]) X% E) @" [5 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。 & v% f% b: m5 I% M2 ]
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3.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 ! T8 V/ H' P, W
restrictions on the marketing and use of the nonylphenol (NP) and nonylphenol ethoxylate (NPEOs) summarized as
0 ?" U9 f6 Z; e( E5 ]below:
' a3 \5 V5 I( Q" b0 E( RBy 17 January 2005, except for pesticides or biocides which have been granted by existing national / J2 e/ b! u0 G5 `8 l4 Q
authorizations the use of NPEOs as a co-formulant, nonylphenol & nonylphenol ethoxylate may not be used in
* t, P0 S* Z; ^% z7 w; J, Gconcentrations equal or higher than 0.1% (equivalent to 1,000ppm) by mass for the following purposes:
3 F- p7 V+ x5 m: A/ m• industrial and institutional cleaning except those systems where the washing liquid is recycled or incinerated;
: [9 Z# u: h3 ~% Y( E5 b- ~• domestic cleaning;
i! s6 L$ o9 C/ T, X1 {$ M" M• textiles and leather processing except those without release into waste water or those with special treatments 0 h$ r) u3 i# A2 M( q) `: a
to remove the organic fraction completely prior to the release; 3 n9 B+ t; _ \
• emulsifier in agricultural teat dips;
- v. c# d* k+ N. G. K9 i: y& G• metal working except those systems where the washing liquid isrecycled or incinerated;
0 i1 U4 }; ^/ S+ C8 N• manufacturing of pulp and paper;
* v. C! J8 Z' \) R• cosmetic products; # o9 r/ @# M2 x
• other personal care products except spermicides;
/ q h d$ X! U5 _9 J- g• co-formulants in pesticides and biocides.
, j/ V# [' U3 W8 L3 ]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 - N5 A( d1 T' @/ c t3 K" c! u
(NP)和壬基酚乙氧基化物(NPEOs),概述如下: " U" \8 [$ s8 I( 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 ) R6 H6 E* m! {5 I% a1 ~
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 ): ( x: W+ q' @% ]/ }. R* C
• 工業和公共清潔,備有洗滌液再循環或焚化的系統除外; ; e. w+ p8 A' Y X, U
• 家庭清潔; ; F8 h% x& z6 }& n+ h8 u
• 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 H/ k4 t+ z3 x9 J
• 農用乳頭消毒液的乳化劑; , S4 f) d: ]5 e% q
• 金工, 備有洗滌液再循環或焚化的系統除外; ; m. ]. o v# O B6 C( L
• 紙漿和造紙加工;
' {) z' a- h+ O f6 K• 化妝品; ' t" [) M" ~* t; S8 y- U
• 其他個人護理用品,殺精劑除外; * E8 K- S+ D; D& _7 M# R
• 殺蟲劑和除生物劑的處方。 % L3 T l' A( {0 @
来源:STC 李昊鹏 |
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