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1.What are they used for? 相關用途 0 X9 M9 x6 n+ b/ ?2 N, Y
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Alkylphenols (APs) and alkylphenol ethoxylates (APEOs) are auxiliary chemicals used in different industries. They
- u; z! ~# u, s$ Vare good emulsifiers and wetting agents and thus have been used widely in different industrial cleaning systems 4 K/ m" t* g J0 ~
such as textile and leather processing, pulp and paper manufacturing, metal working, and agriculture. They are 5 v. Y4 y5 Y+ {. T3 s
also used as domestic cleaning agents and co-formulants in pesticides and biocides. ' F) V- i/ e( ~) n) B: w) k- F# |
In particular, NP and NPEO (under the family of APs and APEOs respectively) are extensively used as detergent * e3 { l% h2 Z. r: f
auxiliaries in scouring and bleaching process of fibres for removing the fibres impurities such as wax, seed, etc in
+ r7 m8 m/ J+ A" _, ]' Vtextile wet processing.
5 V5 U( f! C# D3 {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
$ R3 o& l5 c+ n1 \9 w5 w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 , b- N; \& {. G1 o
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 ~, Y' ]9 n, h6 G2 E: W滌劑中,以及殺蟲劑和除生物劑的處方。
: {* Y# c' i( k" ^/ H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 # Y1 H- h0 ~0 z. u; \- n
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
/ U5 C8 n1 J1 o8 \! ?6 a( z' V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。 6 x" W- e6 s- N! R8 |4 [5 O
+ f+ _! }" P a6 }) \6 n# L L( ^2.What are the problems? 相關問題 # ~5 B) A) n- a9 k" ^/ _* F1 J
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Since APs and APEOs are non-biodegradable, they cause severe environmental problems when they are released
$ u' h6 P) G8 P( w/ n, h/ r |to the environment as discharges or emissions. They are potent endocrine disrupters to the aquatic environment
- ]- h. R+ ^! \% m# A$ B* M# \# \and can cause feminisation in male fish. As a result, the fertility or reproductive capability of the fish is reduced
" d- Z# {! _3 @% M7 k, gand populations are in danger of shrinking.
' ?% F$ c4 u* Z4 z0 ~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 $ N; F% r, j) P, Q# J- N' O* e3 v
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 - ~3 @& A% \* e8 k. ]
魚的生產力或繁殖率下降,從而使魚的種群有減少的危機。 6 ^+ Y3 g, A) K. h. s2 L9 \
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3.What are the measures? 相關措施 " Z8 v" u! x; d
?2 M& n+ M2 x' w/ ~0 {" E8 _4 ]Within the Directive 2003/53/EC published on 18 June 2003, it was added to the Directive 76/769/EEC # w- Q+ X+ w3 S$ D8 t% g* x6 |; V
restrictions on the marketing and use of the nonylphenol (NP) and nonylphenol ethoxylate (NPEOs) summarized as , ` \' t' a+ m1 J
below:
% [/ R; k: K0 ~, [/ ABy 17 January 2005, except for pesticides or biocides which have been granted by existing national ' D/ p/ n4 R+ p! A) z+ m. `/ s
authorizations the use of NPEOs as a co-formulant, nonylphenol & nonylphenol ethoxylate may not be used in 7 s2 V3 S2 u1 U# S- j# |! k& |
concentrations equal or higher than 0.1% (equivalent to 1,000ppm) by mass for the following purposes: & K# }) e# A6 g+ G: T# y( _, F+ H3 I
• industrial and institutional cleaning except those systems where the washing liquid is recycled or incinerated; 0 S; w- C/ `' ]) g
• domestic cleaning;
1 M( S6 [* [6 k6 B2 z$ f• textiles and leather processing except those without release into waste water or those with special treatments 2 o0 G: U; Y' S8 E/ y& N$ \; z
to remove the organic fraction completely prior to the release;
6 T7 n: ^0 ~1 M7 a• emulsifier in agricultural teat dips;
/ q1 ~5 P, O: t8 A2 w+ k• metal working except those systems where the washing liquid isrecycled or incinerated;
V8 S. v# s ^- V; f• manufacturing of pulp and paper;
& b* [7 T; C( k( L: H7 ~0 y+ g• cosmetic products; 3 m% v9 f: o; Y0 Q+ T) {
• other personal care products except spermicides;
4 s8 i7 j! Q3 u6 q+ N) u! U' K- E• co-formulants in pesticides and biocides. 0 d1 J/ l1 o5 u* d
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
7 y1 J; r2 P) n( n4 o8 \(NP)和壬基酚乙氧基化物(NPEOs),概述如下: # c6 X; j2 \- p4 P/ V# D
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
$ W2 B) ]- C- ^! s; ` p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 ):
\: V0 }/ G6 i9 _% A• 工業和公共清潔,備有洗滌液再循環或焚化的系統除外;
. M' i7 X4 e ?' Y1 q, u3 u• 家庭清潔; 7 {1 o2 r) u5 [7 B9 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;
* Y! Q, d% c$ n5 `7 Y; i• 農用乳頭消毒液的乳化劑; % n0 A4 b5 w# d# a; a! Z* ?
• 金工, 備有洗滌液再循環或焚化的系統除外;
% q0 c" ]5 _' M• 紙漿和造紙加工;
) _3 E" S8 O8 Q9 s3 r• 化妝品; % F: a% [) _, h w
• 其他個人護理用品,殺精劑除外;
+ ~, h2 y2 `: q+ O' V• 殺蟲劑和除生物劑的處方。 8 g! [& Z7 Y* {8 o1 M- G7 M
来源:STC 李昊鹏 |
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